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Current trends and update on injury prevention

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Abstract

Injuries are a major and growing public health problem, a leading cause of death and disabilities among people aged 1-44 years around the world. Each year, 5.8 million people die from injuries, accounting for 10% of the world's deaths. Road traffic injuries (RTIs), self-inflicted injuries and violence are the top three leading causes of all injury deaths, while RTIs, falls and drowning are the top three leading causes of unintentional injury death. In many high-income countries, trends of injury death have been decreasing as a result of prevention measures. In contrast, trends in low- and middle-income countries have been rising. In this article, we review the prevention strategies for RTIs, violence, falls and drowning developed over decades to disseminate the knowledge and inform health care providers, especially acute care physicians, about the importance of injury prevention.
International Journal of Critical Illness and Injury Science | Vol. 1 | Issue 1 | Jan-Jun 2011 57
Symposium on Trends in Trauma
Current trends and update on
injury prevention
Parichat Curry, Ramesh Ramaiah, Monica S. Vavilala
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Website: www.ijciis.org
DOI:
DOI: 10.4103/2229-5151.79283
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Department of Anesthesiology and Pain
Medicine, Harborview Medical Center,
University of Washington, Seattle, WA,
USA
Address for correspondence:
Dr. Monica S Vavilala, Department of
Anesthesiology and Pain Medicine,
Harborview Medical Center, University
of Washington, 325 9th Avenue, Box
359724, Seattle, WA 98104, USA.
E-mail: vavilala@uw.edu
ABSTRACT
Injuries are a major and growing public health problem, a leading cause of death and
disabilities among people aged 1–44 years around the world. Each year, 5.8 million people
die from injuries, accounting for 10% of the world’s deaths. Road traffic injuries (RTIs),
self-inflicted injuries and violence are the top three leading causes of all injury deaths,
while RTIs, falls and drowning are the top three leading causes of unintentional injury
death. In many high-income countries, trends of injury death have been decreasing as a
result of prevention measures. In contrast, trends in low- and middle-income countries
have been rising. In this article, we review the prevention strategies for RTIs, violence,
falls and drowning developed over decades to disseminate the knowledge and inform
health care providers, especially acute care physicians, about the importance of injury
prevention.
Key Words: Injury prevention, mortality, road traffic injury, violence
INTRODUCTION
Injuries are the leading cause of death and disability
among children and young adults around the world.[1]
Injury is a physical damage to the body, resulting from
various kinds of energy (mechanical, thermal, electrical,
chemical or radiant) in amounts that exceed the threshold
of physiological tolerance, or from the absence of essentials
(such as heat or oxygen). Injury can be categorized
into unintentional [i.e. road traffic injuries (RTIs) and
drowning] and intentional (i.e. suicide, homicide).[2] In
this article, we review the current prevention strategies
to encourage and inform health care providers about
the importance of this area. Approximately 5.8 million
people die from injuries each year, accounting for 10% of
the world’s deaths. Globally, the three leading causes of
death from injuries are RTIs (23%), self-in icted injuries
(15%) and violence (11%) [Figure 1]. For unintentional
injuries, RTIs are the leading cause of death, followed by
falls and drowning[1,3] [Table 1].
The consequence of injuries is not only death. Millions
of people die from injuries and substantial numbers
of people are le with either temporary or permanent
disabilities. An estimated 16% of all disabilities globally
are caused by injuries.[1,3] The e ects of injuries are both
emotional and nancial, impacting individual, family and
friends along with the entire nation. The costs derive from
the cost of treatment, non-medical expenditure and loss of
productivity of the individual and family members who
need to take time o from work to care for patients. For
example, RTIs have been estimated to cost US$ 518 billion
globally, of which US$ 65 billion is accounted for by
low-income countries (LICs). Approximately 1% of gross
national product (GNP) in LICs, 1.5% in middle-income
countries (MICs) and 2% in high-income countries (HICs)
are a ributed to costs of RTIs.[3,4]
Road traffic
injuries
23%
Others
unintentional
injuries
21%
Self-inflict ed
injuries
15%
Violence
11%
Falls
8%
Drownings
7%
Poisonings
6%
Fires
6%
Figure 1: Causes of injury deaths (source: Global Burden of Disease, 2004)
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International Journal of Critical Illness and Injury Science | Vol. 1 | Issue 1 | Jan-Jun 2011
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Table 1: Leading causes of death by age group, both sexes
Rank Age group (years)
0–4 5–14 15–29 30–44 80+ All ages
1 Perinatal causes
3,180,174
Lower respiratory tract
infections
224,308
Road traf c injuries
335,805
HIV/AIDS
958,851
Ischemic heart disease
2,072,949
Ischemic heart disease
7,198,257
2 Lower respiratory tract
infections
1,755,385
Road traf c injuries
109,905
HIV/AIDS
333,953
Tuberculosis 367,837 Cerebrovascular disease
1,864,012
Cerebrovascular disease
5,712,241
3 Diarrheal diseases
1,716,410
Malaria
103,905
Tuberculosis
249,023
Road traf c injuries
329,837
Chronic obstructive
pulmonary disease
960,598
Lower respiratory tract
infections
4,109,354
4 Malaria
828,666
Drowning
77,117
Violence
238,003
Ischemic heart disease
255,842
Lower respiratory tract
infections
674,079
Perinatal causes
3,180,421
5 Measles
396,072
Meningitis
63,755
Self-in icted injuries
230,979
Self-in icted injuries
19,557
Alzheimer and other
318,868
Chronic obstructive
pulmonary disease
3,024,912
6 Congenital anomalies
370,785
Diarrheal diseases
57,716
Lower respiratory tract
infections
122,707
Violence
179,916
Hypertensive heart disease
311,973
Diarrheal diseases
2,127,154
7 HIV/AIDS
258,861
HIV/AIDS
43,118
Drowning
89,434
Lower respiratory tract
infections
154,950
Diabetes mellitus
246,218
HIV/AIDS
2,039,727
8 Whooping cough
254,314
Tuberculosis
38,074
Fire-related burns
84,983
Cerebrovascular disease
147,224
Trachea, bronchus, lung
cancers
185,916
Tuberculosis
1,463,792
9 Meningitis
156,304
Protein-energy malnutrition
36,232
War-related injuries
66,319
Cirrhosis of the liver
101,593
Nephritis and nephrosis
172,709
Trachea, bronchus, lung
cancers
1,323,218
10 Tetanus
144,325
Fire-related burns
26,703
Maternal hemorrhage
65,077
Poisoning
87,576
Colon and rectum cancers
162,987
Road traf c injuries
1,274,845
11 Protein-energy malnutrition
135,517
Measles
24,202
Ischemic heart disease
59,102
Maternal hemorrhage
71,774
Stomach cancer
148,299
Diabetes mellitus
1,140,881
12 Syphilis
63,857
Leukemia
20,861
Poisoning
55,139
Fire-related burns
67,338
In ammatory heart disease
122,263
Malaria
1,021,028
13 Drowning
58,467
Congenital anomalies
19,942
Abortion
46,335
Nephritis and nephrosis
66,154
Prostate cancer 109,217 Hypertensive heart disease
986,560
14 Road traf c injuries
56,778
Trypanosomiasis 18,583 Leukemia
44,388
Drowning
62,683
Falls
100,954
Self-in icted injuries
844,460
15 Fire-related burns
46,656
Falls
17,862
Cerebrovascular disease
40,827
Breast cancer
57,370
Breast cancer
80,322
Stomach cancer
803,095
Source: Injury and Violence: The Facts, 2010
Curry, et al.: Current Trends and Update on Injury Prevention
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International Journal of Critical Illness and Injury Science | Vol. 1 | Issue 1 | Jan-Jun 2011 59
Injuries have been traditionally thought of as accidents or
random events. This has resulted in a global neglect of this
area of public health. However, injuries are preventable
by changing the environment, individual behavior,
product, social norms, legislation and governmental and
institutional policies to reduce or eliminate risks and
increase protective factors.[5]
ROAD TRAFFIC INJURIES
An RTI is any injury secondary to crashes originating,
terminating or involving a vehicle partially or fully
on a public highway.[2] RTIs are a huge and growing
public health problem. In 2004, reported RTIs killed
1.3 million people worldwide, accounted for 2.2% of
global deaths and ranked as the ninth leading cause of
death. It is predicted to rise in rank to become the h
leading cause of death by 2030 [Table 2]. More than
50% of road tra c deaths occur among young adults
aged between 15 and 44 years and the mortality rate
for males is almost three times greater than that for
females.[1,3,4,6] Ninety percent of RTIs occur in low- and
middle-income countries (LMICs) which have only
half of the world’s registered vehicles. Almost half
of the global RTI deaths are vulnerable road users
(cyclists, pedestrians and motorcycle riders) and 48%
are car occupants.[1,3,4,6] In 2005, the United Nations
adopted third Sunday of November as the “World Day
of Remembrance of Road Tra c Victims” in order to
acknowledge the road tra c victims and their families.
Motorcyclists
Motorcycles are an important, but also a dangerous
means of transportation in LMICs. Motorcyclists have
the highest risk for injury and death in a motor vehicle
crash among all vehicle users. Motorcyclists are found
to be 37 times more likely to die in a motor vehicle crash
than passenger car occupants and 9 times more likely
to be injured.[7] In most countries in Southeast Asia,
motorized two- and three-wheelers account for more
than 60% of registered vehicles. In Vietnam, motorcycle
injuries account for 59% of road tra c injuries.[8] The most
common site of all motorcycle related injuries is lower
extremity (30–70%), while head injuries are the leading
cause of death in motorcycle crashes.[9] Alcohol is a major
risk factor for fatal motorcycle crashes. The effects of
alcohol on motorcycle riding skills can be observed at
blood alcohol concentration (BAC) as low as 0.05 g/dl.
Not only does alcohol impair the riding performance
but also intoxicated motorcyclists are less likely to wear
a helmet.[7,10]
Prevention: Motorcycle helmets were found to reduce
the risk of death by 42% and the risk of head injury by
69%.[11] However, motorcycle helmets are underused.
In China, 72.6% of drivers and 34.1% of passengers are
reported using helmets.[12] In Vietnam, the prevalence of
helmet use ranges from 23.3 to 30%.[13] One study from
Pakistan reports that approximately 56% of motorcyclists
wear helmets.[14] It has been suggested that legislation
might increase helmet use among people. One study
from Vietnam showed that helmet use increased from
27 to 99% and the risk of road tra c head injuries and
death decreased by 16 and 18%, respectively, as a result
of motorcycle helmet legislation.[15] Motorcyclists of age
25 years or more, having a higher education and higher
income are more likely to wear a helmet.[12-14] Asia Injury
Prevention (AIP) foundation is a non-pro t organization
that works to reduce the rate of RTIs and fatalities in
LMICs by creating public–private partnerships, as well
as developing and implementing tra c safety education
programs. In 2009, the AIP foundation together with
the World Bank Global Road Safety Facility introduced
an international campaign, the Global Helmet Vaccine
Initiative, to promote motorcycle helmet wearing in
LMICs in Africa, Asia and Latin America (AIP).[16]
Bicyclists
The bicycle is a recreational vehicle in HICs, especially
for children and young adults; but in LMICs, bicycles
are used for necessary modes of transportation. In HICs,
the United States for instance, there were 716 deaths and
almost 500,000 injuries treated due to bicycle crashes in
2008. Children aged 5–14 years have the highest bicycle-
related injury rate.[17] In LMICs such as China, bicycle-
Table 2: Leading causes of death: Comparison of causes in
2004 and predicted causes in 2030
Rank 2004 Disease or injury Rank 2030 Disease or injury
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
22
Ischemic heart disease
Cerebrovascular disease
Lower respiratory tract
infections
Chronic obstructive
pulmonary disease
Diarrheal diseases
HIV/AIDS
Tuberculosis
Trachea, bronchus, lung
cancers
Road traf c accidents
Prematurity and low birth
weight
Neonatal infections and
others
Diabetes mellitus
Malaria
Hypertensive heart disease
Birth asphyxia and birth
trauma
Self-in icted injuries
Stomach cancer
Cirrhosis of the liver
Nephritis and nephrosis
Colon and rectum cancer
Violence
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Ischemic heart disease
Cerebrovascular disease
Chronic obstructive pulmo-
nary disease
Lower respiratory tract
infections
Road traf c accidents
Trachea, bronchus, lung
cancers
Diabetes mellitus
Hypertensive heart disease
Stomach cancer
HIV/AIDS
Nephritis and nephrosis
Self-in icted injuries
Liver cancer
Colon and rectum cancer
Esophagus cancer
Violence
Source: Injury and Violence: The Facts, 2010
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International Journal of Critical Illness and Injury Science | Vol. 1 | Issue 1 | Jan-Jun 2011
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related deaths account for 30% of all road tra c deaths.
In India, 12–21% of road traffic deaths occur among
bicyclists.[4] Extremities and head/neck region are the
primary parts a ected by bicycle-related injuries.[18,19]
Brain injuries are the most common cause of bicycle-
related death.[20,21] Risk factors of serious injuries are
collision with motor vehicle, self-reported speed of >15
mph, age of <6 and >39 years.[22]
Prevention: Studies from HICs suggest that bicycle
helmets can reduce the risk of head, and brain injury
by 63–88% in all ages. Injury to the upper and mid face
areas can also be reduced by 65%.[23] Even in the United
States, only half of the children (48%) always wear
helmets, whereas 29% are reported to never wear their
helmet.[24] Factors associated with helmet use are race,
ethnicity, child age, household income, household
education, and helmet law status.[25] A Canadian study
demonstrated that the bicycle-related mortality rate in
children, 1–15 years of age, signi cantly decreased by 52%
a er helmet legislation.[26] There are no data from LMICs.
Pedestrians
In the United States, 2008 data show that 4378 pedestrians
were killed and 69,000 pedestrians were injured in road
tra c crashes.[27] Globally, children aged 5–14 years are at
a maximum risk of pedestrian related injuries. In LMICs,
child pedestrians comprise 30–40% of all road traffic
deaths as the road is a shared space for driving, walking,
cycling and playing for children.[28] Risk factors for child
pedestrian injury are male, younger age, belonging to
low income family, high volume of tra c, high vehicle
speed, high street vendor density and absent lane
demarcations.[29,30]
Prevention: One systematic review of 15 randomized
controlled trials (RCTs) of pedestrian safety education
showed that safety education can improve the children’s
knowledge and change the road crossing behavior, but
there is no evidence on pedestrian injury.[31] Speed is a
major risk factor for road crashes and severity of injuries
from crashes. The probability of pedestrian death from
road crashes increases signi cantly when the speed is
over 30 km/h.[28] In The United Kingdom, 20 mph speed
zones, as part of tra c calming, have been established
since 1986. It has been shown that road casualties reduce
by 40% and have the greatest e ect in children aged 0–15
years.[32] Alcohol does not affect only drivers but also
impacts pedestrians. According to National Highway
Safety Tra c Administration (NHSTA) data, in 2008, 48%
of pedestrian deaths in tra c crashes in the United States
were alcohol related.[27] Mobile phone use is another
risk factor. Studies have shown that both drivers and
pedestrians who talk on mobile phone while driving or
crossing the road are at increased risk due to cognitive
distraction.[33-36]
Most pedestrian fatalities occur in low-light
conditions.[27] Hence, interventions that improve
pedestrian visibility to drivers may reduce road tra c
accidents. A recent Cochrane Database of Systematic
review which investigated the effect of light on road
traffic crashes involved 17 controlled before–after
studies (not RCTs) from HICs, demonstrating that street
lighting can prevent road traffic crashes, injuries and
fatalities. The risk of crash, injury-crash and fatal-crash
reduced by 55, 22 and 66%, respectively.[37] One review
of 42 studies comparing driver detection of pedestrians
or cyclists with or without visibility aids revealed that
uorescent materials in yellow, red and orange improved
drivers detection of pedestrians and cyclists during the
daytime. For nigh ime visibility, ashing lights and retro-
re ective materials in red or yellow, particularly those
with a “biomotion” con guration increased pedestrian
detection.[38]
Occupants
Alcohol consumption impairs cognitive ability and
decision-making skills of the driver. In 2008, 11,773 people
died in alcohol-impaired driving crashes, accounting
for 32% of the total motor vehicle traffic fatalities in
the United States.[39] In LMICs, 33–69% of drivers who
were fatally injured were positive for blood alcohol and
alcohol was found in 8–29% of the injured drivers.[28]
Some driving skills are impaired in most of the drivers
at BAC as low as 0.02 g/dl. The risk of involvement in
any crash increases signi cantly with BAC at 0.04 g/dl
or higher.[40] Therefore, the WHO recommendation for a
blood alcohol concentration limit for driving is 0.05 g/dl
or less for the general population and 0.02 g/dl for young
drivers (20 years and younger).[7]
Prevention: Protective devices include seat belts and
airbags. Seat belts prevent ejection and reduce the
frequency and severity of occupant’s contact with the
vehicle’s interior during crashes, while airbags only
reduce the frequency and severity of occupant’s contact.
Lap-shoulder belts, when used correctly, can reduce
fatalities by 72% in frontal collision.[41] Airbags alone can
reduce mortality by 63%.[41] Airbags are most e ective
when used together with seat belts, which can reduce the
mortality by more than 80% in frontal collision.[41] The use
of child restraints can reduce the risk of deaths during
tra c collision by 71% in infants and 54% in children
aged 1–4 years.[42]
In the United States, the observed seat belt use rate in
2008 was 83%, and among fatally injured passenger
vehicle occupants, 55% of those killed were not
restrained.[42] In China, the prevalence of seat belt use
for drivers varies from 30 to 66%, while less than 10% of
front seat passengers wore seat belts.[43] The prevalence
of seat belt use in China increased by 12% due to the
interventions adopted from HICs which included
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enhanced police training and enforcement, social
marketing, and health education.[44] There are no other
data from LMICs.
Guidelines developed by the American Academy of
Pediatrics[45] and the National Highway Traffic Safety
Administration[46] for child passenger safety suggest
that infants should ride rear-facing in an infant seat
or convertible seat in the backseat as long as possible
until they have reached the height or weight limit for
the particular seat or at least 1 year of age and weigh 20
pounds. The safest position for children seats is in the
center rear. The risk of injury is 43% lower compared to
the right outbound position, whereas the front seat is
the least safe.[47]
When children have outgrown the rear-facing seats, they
should sit facing forward in children seats in the backseat
until they reach the upper weight or height limit. Then,
children should change to a booster seat secured to the
backseat when around 4 years of age or weigh around
40 pounds, until he or she is 49 in height, i.e. when they
are around 8–12 years old. Children in belt positioning
booster (BPB) seats are 45% less likely to sustain injuries
compared to those in seat belts.[48] In China, the BPB use
increased from 15.5 to 85.5% as a result of knowledge-
plus-motivation video, designed for US audience,
translated into Mandarin.[49]
Violence
WHO de nes violence as “The intentional use of physical
force or power, threatened or actual, against oneself,
another person, or against a group or community, that
either results in or has a high likelihood of resulting in
injury, death, psychological harm, maldevelopment or
deprivation”.[50] In 2004, around 1.6 million people died
due to violence worldwide, with a signi cant proportion
(1.5 million) reported from LMICs.[1]
Intimate partner violence
Intimate partner violence (IPV) refers to behavior
within an intimate relationship that causes physical,
sexual or psychological harm, including acts of physical
aggression, sexual coercion, psychological abuse and
controlling behaviors.[50] The prevalence of IPV ranges
between 15 and 71%, and LICs tend to have higher
rates.[51] Risk factors of IPV can be categorized into four
levels: individual, relationship, community and societal
factors.[50,52] Risk factors for perpetrators are young age,
alcohol use, depression, personality disorders, hostility,
low income, low education and having experienced
violence as a child. Relationship factors are marital
conflict or instability, poor family functioning, and
male dominance. Community factors are poverty, weak
community sanction against IPV. Societal factors include
traditional gender norms and social norms supportive of
violence. Risk factors for victims are the same as and/or
associated with those for perpetrators: young age, low
income, low education, depression and alcohol use.
Studies from both HICs and LMICs show that 40–70% of
female murder victims are killed by their boyfriends or
husbands.[50,53] In 2007, 64% of female homicides in the
United States were commi ed by intimate partner or a
family member.[54]
The most common injuries are minor, such as scratches
and bruises, while more serious types of injuries such as
deep lacerations, broken bones or bullet wounds are less
common.[55] In the long term, IPV can result in chronic
health problems such as neurological de cit, seizures,
chronic pain, gastrointestinal symptoms, sexually
transmi ed diseases, pregnancy, sexual dysfunction and
psychiatric problems including depression, pos raumatic
stress disorder, suicidal thoughts, and alcohol abuse.[56-58]
Prevention: Primary prevention aims to prevent IPV before
it occurs. Strategies include educational interventions
targeting young people to change individual a itudes,
risk-taking behaviors. The Safe Dates Program, an RCT
investigating the effects of school- and community-
based programs on the prevention of dating violence
among adolescents, has shown that physical and sexual
violence rates were reduced and mediating variables
were positively changed.[59] Secondary prevention aims
to detect or identify IPV in early stages. Reports from the
US Preventive Services Task Force and the Canadian Task
Force for preventive Health Prevention and Treatment
of Violence against women concluded that there was
insu cient evidence to recommend for or against routine
screening of adult women for IPV.[60,61]
Tertiary prevention focuses on long-term care such as
rehabilitation. A recent review of 10 RCTs found that
intensive advocacy interventions (12 hours or more
duration) were e ective in reducing physical abuse, but
the e ects on emotional abuse, depression, quality of life
and psychological distress were equivocal.[62] A meta-
analysis of 22 controlled ba erer intervention program
studies found that overall e ects of ba erer intervention
program were in a small range.[63] There are explanations
why perpetrator’s programs have modest effects,
for instance, unidentified or untreated psychological
conditions, and substance use. Studies have shown that
alcoholism treatment, either individual or couples-based,
reduced intimate partner violence in both male-to-female
and female-to-male violence.[64]
Youth violence
Youth violence is violence involving people between the
ages of 10 and 29 years. In 2000, it was estimated that
199,000 youths died as a result of violence around the
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world. Africa and Latin America are the two regions of
the world that have the highest rates of youth homicide,
while western Europe and parts of Asia and the Paci c
have the lowest rates.[50] Risk factors for youth violence
are categorized into four types: individual, family, peer/
school and environmental/community.[50,65,66] Individual
risk factors are male gender, history of early aggression,
low IQ, substance use and exposure to media violence.
Family risk factors are low socioeconomic status, poor
parent–child relations, poor family functioning. Peer/
school risk factors are academic failure, and gang
membership. Environment or community risk factors are
crime, neighborhood drugs, community disorganization
and access to rearm. Protective factors are safeguards
which help prevent or reduce the chance of young people
from becoming violent. For this instance, individual/
family protective factors are high IQ, higher grades,
connectedness with parents and other adults.[67,68]
Prevention: Primary prevention aims to prevent the
onset of violence by reducing or changing risk of youth
violence. Secondary and tertiary prevention aims to
reduce violence in young people at risk or who already
have demonstrated violence. Prevention strategies should
target all levels: individual, relationship, community and
societal level. Strategies at individual level aim to increase
protective factors associated with individual skills,
a itudes and beliefs. Strategies targeted at relationship
level a empt to a ect relationships of young people with
others. Strategies targeting community level are those that
a empt to modify community risk factors. Interventions
that change the social and cultural environment to
reduce violence are societal approaches.[50] Blueprints
for violence and prevention are a US violence prevention
initiative to identify the violence prevention programs
that are effective. The Blueprints has evaluated over
800 programs and reported 11 model programs and 19
promising programs.[69] The examples of model programs
are Life Skills Training (LST), the Midwestern Prevention
Project, the Olweus Bullying Prevention Program and the
Multi-System Therapy (MST).[69]
Strategies such as individual counseling, peer counseling/
peer mediation and gang prevention programs have not
been shown to be e ective in reducing youth violence or
risk factors for youth violence.[50]
FALLS
A fall is an event which results in a person coming to
rest inadvertently on the ground or oor or other lower
level. Unintentional falls and fall-related injury are major
public health problems among older people. Each year,
approximately 424,000 people die from falls worldwide.
Over 80% of fall-related deaths occur in LMICs.[70] The
incidence of falls varies among countries. The prevalence
of falls in community-living Chinese Hong Kong is
26.4%.[71] Approximately 30% of people aged 65 years
or more fall each year and it increases up to 40% for
people aged over 75 years.[70,72] Approximately 40–60%
of falls lead to injuries, 10% result in serious injuries
and 5% being fracture.[70] Most common fractures are
hip fractures and fractures of upper extremities.[73] Falls
also have psychological impacts. People who have fallen
may develop a fear of falling which leads to a restriction
in physical and mental performance and increase the
risk of falling.[74] Risk factors for falls can be classi ed
as intrinsic and extrinsic. Intrinsic factors are increasing
age, history of falls, female sex, use of medications such
as sedatives/hypnotics, benzodiazepines, psychotropic,
or diuretics, arthritis, impaired mobility and altered gait,
cognitive impairment, or visual impairment. Extrinsic
or environmental factors are environmental hazard,
footwear and inappropriate walking aids.[73-78]
Prevention: Many studies and reviews reported that
exercise, vitamin D supplement, expedited first eye
cataract surgery, multifactorial interventions and gradual
withdrawal of psychotropic medication are e ective in
falls reduction. Exercise reduces the rate of falling by
17%. Di erent types of exercise that target two or more
of the components such as strength, balance, exibility or
endurance are e ective in reducing both the rate of falling
and the risk of fall. E ective exercise includes exercise
in supervised group, individually prescribed exercise
at home or Tai Chi.[79,80] Vitamin D at a dose of 700–1000
IU/day also has been found to reduce the risk of falling
by 19%.[81] Expedited rst eye cataract surgery has been
reported to reduce the rate of falling by 34% compared to
routine cataract surgery.[82] Multifactorial interventions are
found to be e ective in reducing the rate of falls but not
the risk of falling.[79] A prescribing modi cation program
for primary care physicians reduced the risk of falling,
and gradual withdrawal of psychotropic medication
reduces the rate of falls.[79] However, studies have failed
to demonstrate the e ectiveness of some interventions
such as cardiac pacing[83] and home safety interventions.[79]
DROWNING
Drowning is defined as the process of experiencing
respiratory impairment from submersion/immersion
in liquid. Drowning outcomes are classified as death,
morbidity and no morbidity by the World Congress on
Drowning and World Health Organization in 2002.[84] Each
year, more than 175,000 children and teenagers die from
drowning, which makes drowning the second leading
cause of unintentional injury death for children under the
age of 18 years.[28] Ninety-seven percent of unintentional
drowning deaths occur in LMICs.[84] Children under 5
years of age have the highest drowning mortality rate
worldwide.[28,85,86] Drowning of most of the children,
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International Journal of Critical Illness and Injury Science | Vol. 1 | Issue 1 | Jan-Jun 2011 63
younger than 1 year of age, occurs in bathtubs or buckets.
[87] More than 50% of drowning among children aged
1–4 years in HICs occurs in swimming pools,[87] whereas
most drowning occurs in natural bodies of water in rural
areas in LMICs.[27,86,88] Globally, males have higher rates of
drowning than females at all ages, except in infants where
females have a higher rate of drowning than males.[84,85]
Prevention: Drowning mostly occurs when the child is
inadequately supervised or unsupervised.[87-89] A study
from Bangladesh showed that child supervision can be
increased by using supervision tools such as a playpen
and a door barrier.[90] A pilot study from Bangladesh
demonstrated that a drowning prevention program can
be developed by using low-cost local resources involving
the community. The prevention measures included
three facets: i) increased child supervision by creating
drowning-safe homes and establishing community
crèches, ii) heightened water safety culture by formation
of village commi ees, conduction of courtyard and social
autopsy meetings with communities, and iii) providing
basic rst response skills to the community. This study
also showed that the program was well accepted,
feasible and sustainable to the community.[91] Lack of
pool barrier or inadequate fencing is another risk factor
for drowning. A meta-analysis in 2000 showed that pool
fencing significantly reduced the risk of drowning.[92]
A study from the European Association for Consumer
Representation in Standardization (ANEC) indicated
that the most e ective barrier was 1.2 m high, inclining
at an angle toward the climbers.[93] A systematic review
in 2004 revealed that alcohol was detected in blood of
30–70% of persons who drowned while being involved in
recreational aquatic activities in HICs. Moreover, 10–30%
of drowning deaths could be a ributed to alcohol use.[94]
People with epilepsy also have a greater risk of drowning.
The risk is approximately 15–19 fold greater compared
to the general population. Bathtubs and pools are major
submersion sites for children with epilepsy.[95,96]
Currently, the American Academy of Pediatrics
recommends that swimming lessons should be given
to children of age 4 years or older.[97] However, recent
case–control studies from the United States and China
demonstrated that children under 4 years of age may
be benefited from the swimming lessons. The risk of
drowning was found to reduce by 88% among children
aged 1–4 years who had formal swimming lessons.[89,98]
The International Task Force on Prevention of Open Water
Drowning established the guidelines for individual and
families[99] [Table 3]. The International Drowning Research
Centre-Bangladesh (IDRC-B) is a child drowning research
center, working to enhance and improve drowning-
related research, as well as developing drowning
prevention strategies and a ordable prevention packages
for application in LMICs.
For those interested in injury and violence prevention,
Centers for Disease Control and Prevention (CDC)’s
National Center for Injury Prevention and Control
(NCIPC or CDC’s injury center) and Society for the
Advancement of Violence and Injury Research (SAVIR)
are excellent resources for injury and violence prevention
information and research. The Bangladesh Center of
Injury Prevention and Research, Bangladesh (CIPRB)
provides information on injury prevention for LMICs.
SUMMARY
Injuries are a major and growing public health problem.
Injury deaths have been increasing in many LMICs
over the past 20 years. Without prevention efforts, by
the year 2030, injuries will be the fifth leading cause
of death worldwide. Injuries cause not only loss of life
but also long-term disabilities and other consequences
including economic burden for individuals, families
and communities. In HICs, prevention strategies are
be er established and proven to be e ective, resulting
in a continuously decreasing number of deaths and
disabilities from injuries. However, in many LMICs,
people are not aware of injuries as a problem, there is
a paucity of injury data, and little to no information
on injury prevention measures has been disseminated.
Injuries can only be effectively prevented by active
collaboration between stakeholders from international,
national, and local communities, and individuals to
address the problems, create prevention strategies and
policies.
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Keep yourself safe Keep others safe
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Obey all safety signs and
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Never go in the water after
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Know how and when to use a
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Swim in areas with lifeguards
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Cite this article as: Curry P, Ramaiah R, Vavilala MS. Current trends
and update on injury prevention. Int J Crit Illn Inj Sci 2011;1:57-65.
Source of Support: The International Task Force on Prevention of
Open Water Drowning available at http://www.seattlechildrens.org/
classes-community/community-programs/drowning-prevention/open-
water-guidelines/, Con ict of Interest: None declared.
Curry, et al.: Current Trends and Update on Injury Prevention
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... Trauma is a leading cause of death, morbidity, and permanent disability worldwide [1]. The incidence of trauma is rising [1]. ...
... Trauma is a leading cause of death, morbidity, and permanent disability worldwide [1]. The incidence of trauma is rising [1]. The trauma incidence follows specific patterns in different societies. ...
Article
Full-text available
Background: The trauma incidence follows specific patterns in different societies and is expected to increase over the weekend and nighttime. We aimed to explore and analyze the incidence, pattern, and severity of trauma at different times (working hours vs. out off-working hours, weekdays vs. weekends and season). Methods: A retrospective analysis was conducted at a level 1 trauma facility in Qatar. All injured patients admitted between June 2017 and May 2018 were included. The data were analyzed to determine whether outcomes and care parameters of these patients differed between regular working hours and off-working hours, weekdays vs. weekends, and between season intervals. Results: During the study period, 2477 patients were admitted. A total of 816 (32.9%) patients presented during working hours and 1500 (60.6%) during off-working hours. Off-working hours presentations differed significantly with the injury severity score (ISS) (p < 0.001), ICU length of stay (p = 0.001), blood transfusions (p = 0.001), intubations (p = 0.001), mortality rate (9.7% vs. 0.7%; p < 0.001), and disposition to rehabilitation centers. Weekend presentations were significantly associated with a higher ISS (p = 0.01), Priority 1 trauma activation (19.1% vs. 14.7%; p = 0005), and need for intubation (21% vs. 16%; p = 0.002). The length of stay (ICU and hospital), mortality, and disposition to rehabilitation centers and other clinical parameters did not show any significant differences. No significant seasonal variation was observed in terms of admissions at the trauma center. Conclusions: The off-working hours admission showed an apparent demographic effect in involved mechanisms, injury severity, and trauma activations, while outcomes, especially the mortality rate, were significantly different during nights but not during the weekends. The only observed seasonal effect was a decrease in the number of admissions during the summer break.
... Trauma is mostly caused by sudden injuries or accidents resulting in tissue injury [1]. It is a frequently overlooked primary cause contributing to mortality and disability in children and adolescents globally [2][3][4]. In the United States, injury-related causes accounted for > 60% of deaths among children and adolescents in 2016 [5,6]. ...
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This study aimed to assess the predictive ability of the shock index (SI) and the shock index, pediatric age-adjusted (SIPA) for mortality among pediatric patients with trauma (aged ≤ 18 years). A systematic search used PubMed, Embase, and Cochrane Library databases to identify pertinent articles published from their inception to 13 February 2023. For each SI and SIPA, the pooled sensitivity, specificity, diagnostic odds ratio (DOR), and area under the summary receiver operating characteristic curve (AUC) with the corresponding 95% confidence intervals were calculated. We planned a priori meta-regression analyses to explore heterogeneity using the following covariates: country, clinical setting, type of center, data source, and cutoff value. Twelve studies were included based on the inclusion criteria. Among them, nine studies with 195,469 patients were included for the SIPA at the hospital, four studies with 4,970 patients were included for the pre-hospital SIPA, and seven studies with 606,445 patients were included to assess the ability of the SI in predicting mortality. The pooled sensitivity and specificity with 95% confidence interval for predicting mortality were as follows: 0.58 (0.44–0.70) and 0.72 (0.60–0.82), respectively, for the SIPA at the hospital; 0.61 (0.47–0.74) and 0.67 (0.61–0.73), respectively, for the pre-hospital SIPA; and 0.71 (0.59–0.81) and 0.45 (0.31–0.59), respectively for the SI. The DOR were 3.80, 3.28, and 2.06 for the SIPA at the hospital, pre-hospital SIPA, and SI, respectively. The AUC were 0.693, 0.689, and 0.618 for the SIPA at the hospital, pre-hospital SIPA, and SI, respectively. The SI and SIPA are simple predictive tools with sufficient accuracy that can be readily applied to pediatric patients with trauma, but SIPA and SI should be utilized cautiously due to their limited sensitivity and specificity, respectively.
... [11,12] Nonfatal injuries occur more often than fatal injuries and have a significant impact on disability, productivity, cost of treatment, and rehabilitation. [13][14][15] It has been forecast that the magnitude of both nonfatal and fatal injuries will decline in high-income countries, but will continue to be a significant cause of death-injury event by trained clinicians and first responders, resulting in better outcomes for injured victims. [8][9][10][11][12] First aid should be provided immediately after the event. ...
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Background First aid is the assessments and interventions that can be performed by medic (or by the injured person) immediately with minimal or no medical equipment. Training is necessary to equip the first aid provider with the knowledge, skill, and confidence to attend to an emergency. Objectives To assess the knowledge and practices of primary school teachers in Hay Al-Salaam Al-Sakani about the first aid. Methods A cross-sectional study with analytic element was conducted in Baghdad during the period from February to August 2018. Eight schools were choose randomly, 145 teachers who were work in choosing schools and accept to involve in this study. A structure questionnaire depending on the Iraqi Red Crescent guideline for First Aid, and American College of Emergency Physician's First Aid manual 5th edition was used. Results One hundred and forty five teachers were involved in this study, 44.1% of them aged 40–49 year, most of them were females (93.8%), graduated institute (63.4%), married (77.9%), had one to three children (65.5%), had 11–18 years teaching experience (30.3%). Only 30.3% applied first aid previously, most of the teachers (71%) did not involve in first aid training courses. Teachers age had statistically significant association with first aid general-knowledge, knowledge about poisoning, fractures, and burn. Their educational level had statistically significant with knowledge about coma, epilepsy, fractures, mouth injuries, and burn. Conclusion First aid knowledge in general and in each type of school accident was good except knowledge in asphyxia and electric shock were fair knowledge; most of them were not involved in training courses for first aid, or applied first aid.
... This was in accordance with the trends in low-and middle-income countries. In contrast, in many high-income countries, trends of injury have been decreasing reflecting the efficacy of preventive measures [7,13,38]. ...
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Injuries are responsible for a high premature mortality and disability. They are poorly explored in low and middle income-countries. We aimed to estimate the burden of hospitalized injuries in the Monastir governorate (Tunisia) according to the nature of the injury, trends and projections of hospitalizations for injuries up until 2024, and to identify the distribution of this disease burden based on age and sex. We performed a descriptive study from 2002 to 2012 including all hospitalizations for injuries. Data were collected from morbidity and mortality register of the University Hospital of Monastir (Tunisia). We estimated the burden of injuries using the Disability Adjusted Life Years (DALYs). We described injuries (crude prevalence rate (CPR) and age standardized prevalence rate (ASR)), related mortality (lethality and standardized mortality ratio (SMR)), trends and prediction for 2024. A total of 18,632 hospitalizations for injuries representing 10% of all hospitalizations during study period were recorded. Per 1000 inhabitants per year, CPR was 3.36 and the ASR was 3.44. The lethality was of 17.5 deaths per 1000 injured inpatients per year and the SMR was of 2.95 (Confidence Interval of 95%: 2.64–3.29). Burden related to injuries was 2.36 DALYs per 1000 population per year, caused mainly by Years of Life Lost (83.4%), most frequent among men aged under 40 years. The predicted ASR for 2024 was 4.46 (3.81–5.23) per 1000 person-years. Injuries to the head was the most prevalent (20.7%) causing 67.7% of DALYs; and increasing by 226% through 2024. Injuries had a high prevalence and an important burden in a Tunisian university hospital. Prediction showed increased prevalence for 2024. Preventive measures and a trauma surveillance register should be implemented soon.
... Injury is the leading cause of death and disability in people under the age of 44 [1,2]. While high-income countries (HICs) demonstrated a steady decrease in the rate of injuries over time, low-and middle-income countries (LMICs) showed an increasing trend [3]. The latter is attributed to multiple reasons, particularly the absence of safety regulations in many LMICs and the lack of injury prevention strategies associated with the expanded motorization and the limited resource hospitals and community-based emergency care systems which exacerbate the population's exposure to numerous hazards and risks of injury [4]. ...
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Background Refugees are prone to higher risks of injury due to often austere living conditions, social and economic disadvantages, and limited access to health care services in host countries. This study aims to systematically quantify the prevalence of physical injuries and burns among the refugee community in Western Lebanon and to examine injury characteristics, risk factors, and outcomes. Methods We conducted a cluster-based population survey across 21 camps in the Beqaa region of Lebanon from February to April 2019. A modified version of the ‘Surgeons Overseas Assessment of Surgical Need (SOSAS)’ tool (Version 3.0) was administered to the head of the refugee households and documented all injuries sustained by family members over the last 12 months. Descriptive and univariate regression analyses were performed to understand the association between variables. Results 750 heads of households were surveyed. 112 (14.9%) households sustained injuries in the past 12 months, 39 of which (34.9%) reported disabling injuries that affected their work and daily living. Injuries primarily occurred inside the tent (29.9%). Burns were sustained by at least one household member in 136 (18.1%) households in total. The majority (63.7%) of burns affected children under 5 years and were mainly due to boiling liquid (50%). Significantly more burns were reported in households where caregivers cannot lock children outside the kitchen while cooking (25.6% vs 14.9%, p-value = 0.001). Similarly, households with unemployed heads had significantly more reported burns (19.7% vs. 13.3%, p value = 0.05). Nearly 16.1% of the injured refugees were unable to seek health care due to the lack of health insurance coverage and financial liability. Conclusions Refugees severely suffer from injuries and burns, causing substantial human and economic repercussions on the affected individuals, their families, and the host healthcare system. Resources should be allocated toward designing safe camps as well as implementing educational awareness campaigns specifically focusing on teaching about heating and cooking safety practices.
... Injuries due to falls are the leading cause of non-fatal injuries and the third leading cause of fatal injuries with increase prevalence rate. [40][41][42][43]50,51 Falls are the leading cause of disability and death in the elderly. 36 Each year 28-35% of people over 65 years and 32-42% of people over 70 years fall. 2 Globally, every year one-third of community-dwelling older adults fall. ...
Thesis
Background: Falls are a common health problem that causes considerable morbidity and affects the quality of life of elderly people around the world. It is greatest among participants 60-69 years of age especially among elderly females. Due to falls, majority of the elderly persons tend to have poor health-seeking behaviour practice towards falls, and thus there might be poor treatment outcomes for falls. This study’s objective was, therefore, to determine the prevalence of falls, risk factors of falls, health-seeking behaviour of falls, and assessment of the outcome of falls among the elderly persons living in the Samaru community, Zaria, Kaduna state, Nigeria. Materials and methods: A cross-sectional study was conducted in April 2021 using a multi-stage sampling method to select 307 elderly respondents in the Samaru community, Zaria, Kaduna state, Nigeria. Data was collected with the aid of an adapted pre-tested questionnaire. The data collected were analyzed using SPSS and Microsoft Excel statistical software. The results were presented in frequency tables. The Chi-square test and binary logistic regression were used to assess the associations between categorical variables. The level of significance was set at 5%. Results: The prevalence was 49.5%. There was a statistically significant relationship between the history of falls and the age of the respondents (P < 0.004), gender of the respondents, (P < 0.001), highest educational level (LR = 63.404, P < 0.001), marital status (P < 0.001), family setting (P < 0.001), ethnicity (43.791, P < 0.001), occupation (P < 0.001), and the source of financial support of the elderly respondents (P < 0.001), past/present medical illness (P < 0.001) and medication history (P < 0.001). The elderly respondents with no formal education and those with primary education were 6 times more at risk of falls in old age than those with secondary education, tertiary education and Qur’anic education. (AOR = 5.783, 95% CI = 1.397, 23.940), (AOR =5.657, 95% CI = 1.531, 20.899) respectively. Also, the elderly respondents living in a monogamous form of family setting were 0.4 times more at risk of falls in old age than those living in a polygamous family setting. (AOR = 0.411, 95% CI = 0.202, 0.834). The majority of the respondents had good health-seeking behaviour for falls with adequate outcomes of fall treatment and a high recovery rate. Only 36 (40.4%) of them sought fall treatment at the general hospital. And of the respondents who sought medical help for treatment, 59 (66%) of them recovered, 23% (20) of them did not recover and 10 (11.0%) of them developed complications. Conclusion: This study shows that there was a high prevalence of falls among elderly persons living in the Samaru community, Zaria. The risk factors were low average income savings, poor vision, chronic medical conditions, use of medications, and poor housing system. Health-seeking behaviour was adequate, and the majority of all victims recovered from treatment. the Local government area department of health, the State Minister Of Health as well as the Nigeria Federal government for intervention in form of community-based fall prevention measures targeted at those at risk in order to reduce the rate of falls among the elderly persons.
Article
Background: We aimed to analyze in-hospital timing and risk factors for mortality in a level 1 trauma center. Methods: This is a retrospective analysis of all trauma-related mortality between 2013 and 2018. Patients were divided and analyzed based on the time of mortality (early (≤48 h) vs late (>48 h)), and within different age groups. Multivariate regression analysis was performed to predict in-hospital mortality. Results: 8624 trauma admissions and 677 trauma-related deaths occurred (47.7% at the scene and 52.3% in-hospital). Among in-hospital mortality, the majority were males, with a mean age of 35.8 ± 17.2 years. Most deaths occurred within 3–7 days (35%), followed by 33% after 1 week, 20% on the first day, and 12% on the second day of admission. Patients with early mortality were more likely to have a lower Glasgow coma scale, a higher shock index, a higher chest and abdominal abbreviated injury score, and frequently required exploratory laparotomy and massive blood transfusion ( P < .005). The injury severity scores and proportions of head injuries were higher in the late mortality group than in the early group. The severity of injuries, blood transfusion, in-hospital complications, and length of intensive care unit stay were comparable among the age groups, whereas mortality was higher in the age group of 19 to 44. The higher proportions of early and late in-hospital deaths were evident in the age group of 24 to 29. In multivariate analysis, the shock index (OR 2.26; 95%CI 1.04-4.925; P = .04) was an independent predictor of early death, whereas head injury was a predictor of late death (OR 4.54; 95%CI 1.92-11.11; P = .001). Conclusion: One-third of trauma-related mortalities occur early after injury. The initial shock index appears to be a reliable hemodynamic indicator for predicting early mortality. Therefore, timely hemostatic resuscitation and appropriate interventions for bleeding control may prevent early mortality.
Article
Maxillofacial injuries are a global problem in our modern society. It can be a major cause of increased morbidity and mortality. Maxillofacial trauma can lead to scar distortion accompanied by emotional and psychological problems. The epidemiology of facial fractures varies in terms of trauma type, the extent of injury, and severity. The main aim of this research is to explore the scope, the burden, and the etiology of maxillofacial injuries in Tbilisi, Georgia. Data was retrospectively collected from two large emergency departments in Tbilisi, Georgia using a cross-sectional design. Inclusion criteria was patients admitted in hospitals during one year with diagnosis maxillofacial injury. SPSS 21 software was used for statistical analysis. Differences in categorical variables were assessed with Chi-square tests of independence. This research shows that men are still the most frequent victims of maxillofacial injuries. Out of 598 patients, whose age ranged from 1month to 87 years - 67% were males, and 33% patients were females, including both, maxillofacial trauma alone and also combined injuries. With only maxillofacial injuries, the male patients were still leading, with 51% (307) and female patients were 28% (167), these results gave us a statistically significant difference (p=0.026). The main causes of maxillofacial injuries were falls, which equaled to 63% (378 patients) from total recorded data, as in many other countries. The results of this research provide really important information about future preventive interventions in the country. It also shows us that educating the public with prevention strategies is substantial.
Chapter
This chapter outlines the prevalence, barriers, ethics, and common operations of global surgery.KeywordsGlobal surgeryDisparityAccess to care
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Background: Refugees are prone to injury due to often austere living conditions, social and economic disadvantages, and limited access to health care services in host countries. This study aims to systematically quantify the prevalence of physical injuries and burns among the refugee community in Western Lebanon and examine injury characteristics, risk factors, and outcomes. Methods: We conducted a cluster-based population survey across 21 camps in the Beqaa region of Lebanon from February to April 2019. A modified version of the ‘Surgeons Overseas Assessment of Surgical Need (SOSAS)’ tool (Version 3.0) was administered to the head of the refugee households and documented all injuries sustained by family members over the last 12 months. Descriptive and univariate regression analyses were performed to understand the association between variables. Results: 750 heads of households were surveyed. 112 (14.9%) households sustained injuries in the past 12 months, 39 of which (34.9%) reported disabling injuries that affected their work and daily living. Injuries primarily occurred inside the tent (29.9%). Burns were sustained by at least one household member in 136 (18.1%) households in total. The majority (63.7%) of burns affected children under 5 years and were mainly due to boiling liquid (50%). Significantly more burns were reported in households where caregivers cannot lock children outside the kitchen while cooking (25.6% vs 14.9%, p-value=0.001). Similarly, households with unemployed heads had significantly more reported burns (19.7% vs 13.3%, p-value=0.05). Nearly 16.1% of the injured refugees were unable to seek health care due to the lack of health insurance coverage and financial liability. Conclusions: Refugees severely suffer from injuries and burns, causing substantial human and economic repercussions on the affected individuals, their families, and the host healthcare system. Resources should be allocated toward designing safe camps as well as implementing educational awareness campaigns specifically focusing on teaching heating and cooking safety practices.
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This statement summarizes the U.S. Preventive Services Task Force (USPSTF) recommendations on screening for family and intimate partner violence based on the USPSTF's examination of evidence specific to family and intimate partner violence. It updates the 1996 recommendations contained in the Guide to Clinical Preventive Services, second edition. In 1996, the USPSTF found insufficient evidence to recommend for or against the use of specific instruments to detect domestic violence (a "C" recommendation according to 1996 grade definitions). The Task Force now uses an explicit process in which the balance of benefits and harms is determined exclusively by the quality and magnitude of the evidence. As a result, current letter grades are based on different criteria than those in 1996. Current explanations of the ratings and of the strength of overall evidence are given in Appendix A and in Appendix B, respectively. The complete information on which this statement is based, including evidence tables and references, is available in the summary article, and in the Systematic Evidence Review, "Screening for Family and Intimate Partner Violence: Systematic Evidence Review for the U.S. Preventive Services Task Force."' The USPSTF recommendations, the accompanying summary article, and complete Systematic Evidence Review are available through the USPSTF web site (http://www.preventiveservices.ahrq.gov). The summary article and the USPSTF recommendation statement are available in print through the AHRQ Publications Clearinghouse (call 1-800-358-9295 or e-mail ahrqpubs@ahrq.gov).
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Objectives and methods —Data on 1462 injured bicyclists aged 1–19, obtained over a period of five years from the British Columbia Children's Hospital as part of a national emergency room based program in Canada, were analyzed to describe the epidemiology of injuries, helmet use, and the occurrence of head injuries before the enactment of a new mandatory helmet law. The odds ratio (OR) and 95% confidence interval (CI) were calculated for non-users compared with helmet users. Results —Bicycle injuries comprised 4% of all injuries seen in the five year study period. The proportion of admissions was 12.7% among bicyclists, significantly higher than the 7.9% admissions of all 35 323 non-bicyclist children who were seen during the study period (OR = 1.96, CI = 1.44 to 1.99). Boys were injured more often than girls. The proportion of admissions for boys was 13.8% compared with 10.2% among girls (OR = 1.41, CI = 0.97 to 2.05). More than 70% of injured bicyclists reported no helmet use. The proportion of admissions of injured bicyclists who did not use helmets was always higher than the proportion of admissions of those who used helmets (OR = 2.23, CI = 1.39 to 3.62). Head and face injuries occurred more often among those who did not use helmets (OR = 1.55, CI= 1.18 to 2.04 ). However, there was no excess of minor head injuries among non-users (OR = 1.10, CI = 0.60 to 2.06). Of the 62 concussions, 57 occurred to non-helmet users (OR = 4.04, CI = 1.55 to 11.47). Most injuries occurred in the upper (46.4%) or lower extremities (32.4%). Dental injuries occurred slightly more often among helmet users compared with non-users but this excess was not statistically significant (OR = 1.29, CI = 0.76 to 2.20). Conclusion —The data indicate the need to control injuries by using helmets. A decrease in the number of head injuries and their severity is expected when bicycle helmet use becomes law in British Columbia.
Article
Results: There were 3854 injured cyclists in the three year period; 3390 (88%) completed questionnaires were returned. 51% wore helmets at the time of crash. Only 22.3% of patients had head injuries and 34% had facial injuries. Risk of serious injury was increased by collision with a motor vehicle (odds ratio (OR)=4.6), self reported speed >15 mph (OR=1.2), young age (<6 years), and age > 39 years (OR=2.1 and 2.2 respectively, compared with adults 20-39 years). Risk for serious injury was not affected by helmet use (OR=0.9). Risk of neck injury was increased in those struck by motor vehicles (OR=4.0), hospitalized for any injury (OR=2.0), and those who died (OR=15.1), but neck injury was not affected by helmet use.
Article
Objective. —To estimate the potential benefits from more widespread bicycle safety helmet use.Design. —Review of death certificates and emergency department injury data for 1984 through 1988. Categorization of deaths and injuries as related to bicycling and head injury. Using relative risks of 3.85 and 6.67 derived from a case-control study and varying helmet usage from 10% to 100%, population attributable risk was calculated to estimate preventable deaths and injuries.Setting. —Entire United States.Main Outcome Measures. —Numbers of US residents coded as dying from bicycle-related head injuries, numbers of persons presenting to emergency departments for bicycle-related head injuries, and numbers of attributable bicycle-related deaths and head injuries.Main Results. —From 1984 through 1988, bicycling accounted for 2985 head injury deaths (62% of all bicycling deaths) and 905 752 head injuries (32% of persons with bicycling injuries treated at an emergency department). Forty-one percent of head injury deaths and 76% of head injuries occurred among children less than 15 years of age. Universal use of helmets by all bicyclists could have prevented as many as 2500 deaths and 757 000 head injuries, ie, one death every day and one head injury every 4 minutes.Conclusions. —Effective community-based education programs and legislated approaches for increasing bicycle safety helmet usage have been developed and await only the resources and commitment to reduce these unnecessary deaths and injuries.(JAMA. 1991;266:3016-3018)
Article
The aim of this article is to review the pertinent literature and to analyse our own data on facial trauma related to bicycling and mountain-biking. This article focuses on the mechanisms and the variety of bicycle related injuries and addresses the advantages of wearing protection clothes. Within the world of bicycling, the popularity of mountain-biking has increased the most dramatically. The main risk factors for the growing number of bicycle-related injuries are not wearing a helmet, age, male sex, unsafe riding techniques and intoxication. Bikers most commonly collide or fall in daily traffic whereas mountain-bikers get hurt whilst descending. The most common types of injury apart from superficial lesions are dentoalveolar trauma and facial fractures. Wearing protective clothing such as a helmet is demonstrably beneficial and so we suggest that the obligatory use of protective wear should be introduced. For a better insight into overall cycling-related trauma further research will be required.