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Journal of Research in Medical and Dental Science
Volume 5, Issue 6, Page No: 85-88
Copyright CC BY-NC-ND 4.0
Available Online at: www.jrmds.in
eISSN No. 2347-2367: pISSN No. 2347-2545
Journal of Research in Medical and Dental Science | Vol. 5 | Issue 6 | December 2017
85
Effect of Humor Therapy on Blood Pressure of Patients Undergoing
Hemodialysis
Zahra Moshtag Eshg
1
, Jaleh Ezzati
1
, Navideh Nasiri
1
, Raziyeh Ghafouri
2
*
1
Assistant Professor, School of Nursing and Midwifery, Shahid beheshti University of Medical
Sciences, Tehran, Iran
2
PhD Student, Student Research committee, School of Nursing and Midwifery, Iran University of
Medical Sciences, Tehran, Iran
DOI: 10.24896/jrmds.20175615
ABSTRACT
One of the problems of the twenty-first century health community is the increasing prevalence of chronic
diseases and the side effects of their treatment. Chronic renal failure undergoing hemodialysis is such a
disease and controlling its complications through a low-risk approach is of utmost importance. Humor
therapy is one of complementary treatment methods which can help these patients. The present study aimed
to investigate the effects of humor therapy on blood pressure of patients undergoing hemodialysis in Bu-Ali
Sina Hospital of Qazvin in 2010-2011. A total of 26 females and 14 males participated in this pre- and post-
intervention clinical trial. The data were collected with a mercury manometer. Humor therapy was
performed during hemodialysis using a CD for 30 minutes, 2 sessions per week for 8 weeks. The data were
analyzed with SPSS-16. Findings: This study showed that humor therapy is effective on blood pressure of
hemodialysis patients (p<0.001). Conclusion: Humor therapy can reduce blood pressure in hemodialysis
patients.
Keywords: Humor Therapy, Hemodialysis, Blood Pressure
HOW TO CITE THIS ARTICLE:
Za
hra Moshtag Eshg, Jaleh Ezzati
, Nav
ideh Nasiri, Raziyeh Ghafouri
,
Effect of Humor Therapy on
Blood Pressure of Patients Undergoing Hemodialysis, J Res Med Dent Sci, 2017, 5 (6):85-88, DOI: 10.24896/jrmds.20175615
Corresponding author: Raziyeh Ghafouri
e-mailghafouri.r@tak.iums.ac.ir
Received: 15/10/2016
Accepted: 20/03/2017
INTRODUCTION
The increasing prevalence of chronic diseases is
the most prominent problem in human societies
faced with health staff in the twenty-first
century [1]. Advances in the methods of
treatment and health care as well as increased
life expectancy are the causes of the increased
prevalence of chronic diseases [2]. Chronic renal
failure (CRF) is a chronic disease with a growing
prevalence [3]. CRF is referred to irreversible
renal dysfunction which often leads to the end
stage renal disease (ESRD) [4] and the patients
require hemodialysis (peritoneal dialysis) [5, 6].
Although hemodialysis can increase life
expectancy, it cannot alter the natural course of
the disease, is not a perfect substitute for full
function of kidneys, results in numerous
complications in patients, and leads to physical,
mental, and social problems for patients and
their families [7]. Hypertension is the first and
earliest sign of renal failure [8] and if left
untreated, results in cardiovascular disease as
the most common cause of death in renal failure
patients [9]. About 80 to 90 percent of patients
with renal failure are hypertensive and if left
untreated, it may result in myocardial disorders
in the form left ventricular hypertrophic
cardiomyopathy [10].
Regarding the use of humor in nurse
interactions, Riley stated that humor is a way of
communication between nurses and patients
and facilities training to patients [11]. humor
can be an important tool in coping with the
disease and reduces its stress. Several studies
have been conducted on negative emotions,
while positive emotions such as happiness and
satisfaction are less studied [12].
Hostler wrote that humor reduces anxiety,
relieves pain, and relaxes muscles [13].
Raziyeh Ghafouri et al J Res Med Dent Sci, 2017, 5 (6):85-88
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Journal of Research in Medical and Dental Science | Vol. 5 | Issue 6 | December 2017
86
Research has shown that humor can reduce
blood pressure [14], acute pain [15], chronic
pain [16], stress hormones, raise self-esteem,
decrease depression [17] increase enkephalin
and endorphin [18] and cardiac output [19], and
improve pulmonary ventilation [20]. Laughter is
effective in preventing hyperglycemia-induced
renal failure [21] and in reducing anxiety in the
first hemodialysis [22]. In this regard, the
present study aimed to determine the effect of
humor therapy on blood pressure of
hemodialysis patients in Bu-Ali Sina Hospital of
Qazvin in 2010-2011.
MATERIALS AND METHOD
A total of 41 patients referred to Bu-Ali Sina
Hospital in Qazvin for hemodialysis were
enrolled in the study based on inclusion criteria
which were chronic renal failure treated with
hemodialysis, willingness to participate in the
research, constant blood pressure (no greater
than 20% fluctuations in blood pressure a
month before starting the study), and using a
method such as venous fistula for dialysis a
month before starting the study. The data were
collected using a demographic questionnaire, a
mercury manometer, and two depression
assessment tools. Exclusion criteria were
fluctuations in blood pressure, changing dialysis
method, and unwillingness to continue the
research. A participant excluded from the study
during the study due to changing the dialysis
method.
The demographic questionnaire included 11
items about demographic information and 14
items about the disease. Mercury manometer
was calibrated and its reliability was assessed
through the intra-rater test giving rise to a
Pearson correlation coefficient of 0.93 after 10
repeats. Reliability of the researcher was
assessed through the inter-rater test and after
10 times measurement of blood pressure by the
researcher and another nurse, the Pearson
correlation coefficient was obtained 0.94.
In the first session of laughter therapy, the mean
blood pressure of participants was measured by
the researcher prior to initiation of dialysis
using the mercury manometer. The CD used in
the research was provided to the Security Office
of Qazvin University of Medical Sciences, the
Cultural Council of Qazvin University of Medical
Sciences, and the Public Relations of Qazvin
University of Medical Sciences and was
approved by the Deputy of Student and Cultural
Affairs. The participants in both groups were
undergone hemodialysis in two groups of 15-20
people and humor therapy was performed 30
minutes after initiation of dialysis therapy using
the approved CD for 30 minutes. Blood pressure
was measured at the end of the first session
after the end of hemodialysis. Humor therapy
and data collection was continued for 8 weeks, 2
sessions per week (totally 16 sessions). Blood
pressure was monitored at all sessions during
the study, and in case of sudden changes (more
than 20% to the previous blood pressure), the
subject was excluded from the study. During this
research, none of the participants had more
than 20% change in blood pressure compared
with the previous measurement. The maximum,
minimum, and mean arterial blood pressures of
the participants were measured at the beginning
and end of hemodialysis in the first and last
sessions of humor therapy and the obtained
data were analyzed with independent t-test and
paired t-test.
RESULTS
A total of 26 women and 14 men with a mean
age of 56 years were participated in this study.
The most common cause of morbidity was
hypertension followed by hyperglycemia. There
was no significant difference between men and
women in the blood pressure (p>0.05). No
significant difference was found between the
cause of renal failure and hypertension
(p>0.05).
According to paired t-test, a significant
difference existed between blood pressure in
the first and last sessions of humor therapyat all
times of investigation (beginning of
hemodialysis, an hour after the initiation of
dialysis, and at the end of humor), which shows
that humor therapy is effective on blood
pressure in patients undergoing hemodialysis
(p>0.001). Unilateral evaluation of the effect of
humor therapy also showed that humor therapy
can decrease blood pressure of patients
undergoing hemodialysis (p>0.001).
Raziyeh Ghafouri et al J Res Med Dent Sci, 2017, 5 (6):85-88
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Journal of Research in Medical and Dental Science | Vol. 5 | Issue 6 | December 2017
87
Table 1: Result of blood pressure comparison in first and last sessions of hemodialysis
DISCUSSION
In this study, 65% of the participants were
female and 35% were male. The most common
cause of renal failure in the present study was
hypertension followed by hyperglycemia.
According to Andreoli et al., the most common
cause of renal failure was hyperglycemia and
then hypertension [23]. Their finding was same
as this study.
This study showed that humor can reduce blood
patient undergoing heamodialysis. Jalali et al.
demonstrated that humor therapy is effective in
reducing blood pressure [14]. Humor reduces
blood pressure by influencing vessel wall
performance through two ways:
1. Activation of nitric oxide secretion [20].
2. Effect on the activity of vasoconstrictors
receptors and reducing their activity and
number [24].
Further research is needed regarding the
therapeutic effect of laughter on blood pressure
to explicitly claim that downregulation of blood
pressure with humor therapy is whether
through activating the secretion of nitric oxide
in blood vessels and reduction of
catecholamines (stress hormones) or through
regulation of vessel wall receptors and affecting
neurotransmitters receptors of the endocrine
system in two directions and regulation of blood
pressure within normal limits [24]. In a study by
Wolter et al., no significant difference existed
between drug therapy and drug therapy plus
humor therapy; the reason of which was
attributed to the existence of drug therapy in
both groups of intervention and control [25].
On the other hand, Martin confirmed the
therapeutic effect of humor on the psychologic
and refused its physical effects [26]. Cutdif and
McKenna did not confirm the physiological
effects of laughter therapy; this was attributed
to the lack of research on positive emotions and
their performance in small statistical societies.
They suggested more research in this field in
order to demonstrate the physical effects of
humor [12].
CONCLUSION
According to the findings of this research,
humor therapy is effective in reducing blood
pressure in patients undergoing hemodialysis.
Acknowledgement
The author would like to thank the nurses and
staffs of the dialysis ward of Bu-Ali Sina
Educational Hospital of Qazvin University of
Medical Sciences that helped us in conducting
this study.
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Time
First
session
Last
session
P
value
Mean
SD
Mean
SD
The beginning of hemedialysis
Systolic BP
141.8
20.7
125.4
13.5
p
>0.001
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10.2
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9.38
p
>0.001
Raziyeh Ghafouri et al J Res Med Dent Sci, 2017, 5 (6):85-88
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Journal of Research in Medical and Dental Science | Vol. 5 | Issue 6 | December 2017
88
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