Axel Carl Carlsson

Axel Carl Carlsson
Karolinska Institutet | KI · Division of Family Medicine and Primary Care

MSc, PhD, Associate Professor

About

268
Publications
71,671
Reads
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12,711
Citations
Introduction
Axel Carl Carlsson currently works at the Division of Family Medicine and Primary Care, Karolinska Institutet. Axel does research in diseases treated in primary health care.
Additional affiliations
September 2019 - present
Public Health Agency of Sweden
Position
  • Investigator
Description
  • Methodology of scoping and systematic review articles. The public health effects of the COVID-19 pandemic.
November 2015 - present
Karolinska Institutet
Position
  • Professor (Associate)
Description
  • Research in primary care epidemiology and interventions.
March 2012 - July 2018
Uppsala University
Position
  • Researcher

Publications

Publications (268)
Article
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Aims: To study incident narcolepsy in first- and second-generation immigrant groups using Swedish-born individuals and native Swedes as referents. Methods: The study population included all individuals registered and alive in Sweden at baseline. Narcolepsy was defined as having at least one registered diagnosis of narcolepsy in the Swedish Natio...
Article
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Objective We aimed to study open-angle glaucoma in association with somatic comorbidities in the total population of adults in Region Stockholm. Methods The study population included all living persons aged 19 years and above who resided in Stockholm County, Sweden, on 1 January 2017 ( N = 1 703 675). Subjects with specified diseases were identifi...
Article
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Background There is a lack of studies of amyotrophic lateral sclerosis (ALS) in immigrants. Objective The objective is to study the association between country of birth and incident ALS in first-generation immigrants versus Swedish-born individuals, and in second-generation immigrants versus native Swedes. Methods Study populations included all a...
Article
Purpose To analyse risk of vision impairment (VI) and blindness in adult foreign-born individuals and Swedish-born individuals. Methods A nationwide study of individuals 18 years of age and older (N = 6,042,891; 2,902,918 men and 3,139,973 women) in Sweden. VI (in general) and blindness was defined as at least one registered diagnosis in the Natio...
Article
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Background Sarcopenia may be more present in older adults with diabetes (DM). Accordingly, we evaluated the prevalence of sarcopenia and its associated risk factors among community-dwelling older adults with DM. Methods A cross-sectional analysis of older people living in the community was carried out. Participants (aged 75 years and more) came fr...
Article
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Child sexual abuse (CSA) is a crime against human rights with severe health consequences, and suicidal actions, stress, eating disorders, and borderline disorder are common among survivors of CSA. The objective of this study was to analyze how health care consumption patterns developed among adolescent girls in the Stockholm Region, Sweden, 1 and 2...
Article
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Background: In primary care (PC) many patients suffer from multimorbidity involving depression and/or anxiety. Collaborative care (CC) has shown promising results for patients with depression, anxiety, and multimorbidity involving depression. However, specific content in CC for patients with multimorbidity involving depression and/or anxiety is un...
Article
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Background: The impact of body mass index (BMI) on mortality varies with age and disease states. The aim of this research study was to analyse the associations between BMI categories and short- and long-term mortality in patients with or without diabetes seeking care at the emergency department (ED) with acute dyspnoea. Population and methods: P...
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Background Hypertension can be detected at the primary health-care level and low-cost treatments can effectively control hypertension. We aimed to measure the prevalence of hypertension and progress in its detection, treatment, and control from 1990 to 2019 for 200 countries and territories. Methods We used data from 1990 to 2019 on people aged 30...
Article
Visual impairment is a common and serious condition, affecting 190 million people worldwide.¹ Of these, 30 million are blind,1,2 and 14 million are children.³ The most common causes of childhood blindness globally are retinopathy of prematurity, cataracts and corneal opacity,³ and in high-income and middle -income countries cerebral visual impairme...
Article
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The detrimental effects of increased length of stay at the emergency department (ED-LOS) for patient outcome have been sparsely studied in the Swedish setting. Our aim was to further explore the association between ED-LOS and short-term mortality in patients admitted to the EDs of two large University hospitals in Sweden. All adult patients (> 18 y...
Article
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Aim We aimed to estimate the risk of hearing impairment in children and adolescents with foreign-born parents, compared to natives. Methods A nationwide study of 1,923,590 (51.4 % boys) individuals aged 0-17 years of age in Sweden. Hearing impairment was defined as at least one registered diagnosis in the National Patient Register between 1 Januar...
Article
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Background and aims: Since cardiometabolic diseases (CMD) are a frequent cause of death worldwide, preventive strategies are needed. Recruiting adults for a health check could facilitate the identification of individuals at risk for CMD. For successful results, participation is crucial. We aimed to identify factors related to unwillingness to parti...
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From 1985 to 2016, the prevalence of underweight decreased, and that of obesity and severe obesity increased, in most regions, with significant variation in the magnitude of these changes across regions. We investigated how much change in mean body mass index (BMI) explains changes in the prevalence of underweight, obesity, and severe obesity in di...
Article
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From 1985 to 2016, the prevalence of underweight decreased, and that of obesity and severe obesity increased, in most regions, with significant variation in the magnitude of these changes across regions. We investigated how much change in mean body mass index (BMI) explains changes in the prevalence of underweight, obesity, and severe obesity in di...
Article
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Background There is a lack of studies of Huntington’s disease (HD) in immigrants. Objective To study the association between country of birth and incident HD in first-generation immigrants versus Swedish-born individuals and in second-generation immigrants versus Swedish-born individuals with Swedish-born parents. Methods Study populations includ...
Article
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In this national study of osteoporotic fractures in second-generation immigrants in Sweden, we found a similar risk of osteoporotic fractures in general compared to Swedish natives, which suggests that environmental factors are important for the high risk of osteoporotic fractures in Nordic countries.IntroductionSecond generation immigrants may hav...
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Background Sexual abuse is associated with severe health consequences, and the European Union has, through the Istanbul Convention, urged its member countries to provide specialist care for victims of sexual abuse. Aim This aim of this study was to investigate patient- and abuse-related characteristics among patients seeking help at a specialist c...
Article
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Objective To (1) validate and (2) display initial results of surveys to health care professionals and patients on the importance and mitigation of specified risks for diagnostic and medication errors. Design For validation, psychometric properties were analysed by assessment of construct validity and internal consistency by factor analysis. Non-pa...
Article
Objectives: Hypertension and diabetes are common and are both associated with high cardiovascular morbidity and mortality. We aimed to investigate associations between mortality risk and country of birth among hypertensive individuals in primary care with and without concomitant diabetes, which has not been studied previously. In addition, we aime...
Article
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Background: Cardiometabolic diseases are the most common cause of death worldwide. As part of a collaborative European study, this paper aims to explore the implementation of primary care selective-prevention services in five European countries. We assessed the implementation process of the selective-prevention services, participants’ cardiometabol...
Article
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Objectives: Association between socio-demographic factors and dementia risk is studied in general but not for atrial fibrillation (AF) patients. Methods: We studied AF patients ≥ 45 years in Sweden 1998-2012 (n = 537,513) using the Total Population Register for socio-demographic factors, the Swedish Cause of Death Register, and the National Pati...
Article
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Background Comparable global data on health and nutrition of school-aged children and adolescents are scarce. We aimed to estimate age trajectories and time trends in mean height and mean body-mass index (BMI), which measures weight gain beyond what is expected from height gain, for school-aged children and adolescents. Methods For this pooled ana...
Data
This is the manual used in the study
Data
This is the study protocol use in the study: A One-Session Treatment of PTSD After Single Sexual Assault Trauma. A Pilot Study of the WONSA MLI Project- A Randomized Controlled Trial
Article
Full-text available
Sexual abuse is a crime with devastating health consequences. Accessible, acceptable and affordable treatment of PTSD after sexual abuse is important. In this pilot study, a one-session PTSD treatment and a modified perspective to PTSD treatment is introduced. The aim of the study was to test the efficacy of one session of Modified Lifespan Integra...
Article
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Background: Chronic kidney disease (CKD) is known to be associated with several co-occurring conditions. We aimed at exploring multimorbidity patterns associated with CKD, as well as the impact of physical performance and CKD severity on them in a population of older outpatients. Methods: Our series consisted of 2252 patients enrolled in the Scr...
Article
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Background: Reduced kidney function has become a major public health concern, especially among older people, as Chronic Kidney Disease (CKD) is associated with increased risk of end stage renal disease and mortality. Falls are a serious negative health outcome in older persons with one third of people aged 65 years experiencing a fall per year and...
Article
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Background: Quality of life (QoL) refers to the physical, psychological, social and medical aspects of life that are influenced by health status and function. The purpose of this study was to measure the self-perceived health status among the elderly population across Europe in different stages of Chronic Kidney Disease (CKD). Methods: Our serie...
Article
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Background: Different mechanisms connect the nutritional status with the occurrence and the course of chronic kidney disease (CKD). The end-stage renal disease is complicated by catabolic inflammatory reactions and cachexia which leads to malnutrition (undernutrition). On the other hand, obesity is an important risk factor for the development and...
Article
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Background: Loss of muscle mass and function may be more pronounced in older adults with chronic kidney disease (CKD) and with albuminuria. Thus, we investigated the prevalence of sarcopenia among community-dwelling older adults according to kidney function and grade of albuminuria. We also explored differences in the prevalence of sarcopenia acco...
Article
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Background Chronic kidney disease (CKD), cognitive impairment and depression share common risk factors. Previous studies did not investigate the possible association between kidney function and cognitive and mood disorders in older persons in a broad range of kidney function. The present study explored associations between kidney function, cognitio...
Article
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Victims of sexual abuse have more co-morbidities than other persons in the same age and the most affected group are adolescent girls. Little is known about how this is reflected in health care consumption patterns prior to the registered diagnosis. The aim of this investigation was to study health care consumption patterns among girls, 12–17 years...
Article
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In this national study of osteoporotic fractures in foreign-born individuals, we found a lower risk of osteoporotic fractures in general among foreign-born individuals compared with Swedish-born, especially in immigrants from southern Europe. A higher risk was found among some groups, i.e. men and women from Bosnia and Iraq and men from Lebanon.Int...
Article
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Background: Treatment of multimorbid patients can be improved. Development of patient-centred care of high-quality requires context-bound understanding of the multimorbid population's patterns of demographics, co-morbidities and medication use. Objective: The aim of this study was to identify patterns of multimorbidity in the total population of...
Article
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Objective In this study we aimed to estimate the effect of diabetes, educational level and income on the risk of mortality and cardiovascular events in primary care patients with hypertension. Methods We followed 62,557 individuals with hypertension diagnosed 2001–2008, in the Swedish Primary Care Cardiovascular Database. Study outcomes were death...
Article
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Purpose Fatty acid composition in blood and adipose tissue (AT) is a useful biomarker of dietary fat quality. However, circulating saturated fatty acids (SFA) and monounsaturated fatty acids (MUFA) have been proposed to also reflect carbohydrate-induced de novo lipogenesis (DNL) and stearoyl-CoA desaturase (SCD) activity. We aimed to test the hypot...
Article
Background and aim s. Previous proteomics efforts in patients with chronic kidney disease (CKD) have predominantly evaluated urinary protein levels. Therefore, our aim was to investigate the association between plasma levels of 80 cardiovascular disease-related proteins and the risk of major adverse cardiovascular events (MACE) in patients with CKD...
Article
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Objectives Risk of multiple sclerosis (MS) is low among first‐generation immigrants in Sweden. We aimed to study incident MS in first‐ and second‐generation immigrant groups. Materials & Methods We included adults aged 18 years and older in Sweden in first‐generation (n=6,042,891) and second‐generation (n=4,860,469) sub‐studies. MS was defined via...
Article
Congestive heart failure (CHF) is the most important cause of death in patients with atrial fibrillation (AF). We aimed to study the association between cardiovascular drugs in AF patients and incident CHF. The study population included all adults (n = 120 756) aged ≥45 years diagnosed with AF in Sweden diagnosed for the period 1998‐2006. Outcome w...
Article
Background: There is a lack of studies of Parkinson's disease (PD) in immigrants. Objective: To study the association between country of birth and incident PD in immigrants in Sweden versus Swedish-born individuals. Methods: Study population included all adults aged 50 years and older in Sweden (n = 2775736). PD was defined as having at least...
Article
High thyroid hormone values have been associated with an increased risk of incident cancers, especially breast cancer but also lung cancer and any solid cancers. We explored whether there is an increased risk of overall and cause-specific cancers in those receiving levothyroxine treatment. We included all individuals ≥ 18 years in Sweden (N = 8,573...
Article
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Objective The aim was to analyse risk of forearm fractures in first- and second-generation immigrants to Sweden. Methods A nationwide study of individuals 20 years of age and older was conducted. Forearm fractures were defined as at least one registered diagnosis in the National Patient Register between January 1, 1998 and December 31, 2012. Cox r...
Article
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Background Circulating levels of TNF alpha receptor 1 (TNFR1) and 2 (TNFR2) are associated with increased long-term mortality and impaired kidney function.AimTo study association between circulating levels of TNFR1 and TNFR2 and short-term mortality in patients with diabetes and dyspnea.Population and methodsPatients aged ≥ 18 years seeking at emer...
Article
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Aim To compare incidence of urolithiasis in second‐generation immigrant children aged 0‐17 years to children of Swedish‐born parents. Methods A nationwide study of individuals residing in Sweden. Urolithiasis was defined as having at least one registered diagnosis of urolithiasis in the Swedish National Patient Register between January 1, 1998 and...
Preprint
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Background: The detrimental effects of increased length of stay at the emergency department (ED-LOS) for patient outcome have been sparsely studied in the Swedish setting. Our aim was to further explore the association between ED-LOS and short term mortality in patients admitted to the EDs of two large University hospitals in Sweden. Methods: All a...
Article
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Background Improving use of anticoagulants in atrial fibrillation (AF) patients in primary care has proved challenging. Anticoagulants are often prescribed by primary care physicians in the long term. Suboptimal anticoagulant use may be partly due to physicians' non-prescribing. One potential way of targeting physician prescribing behavior is “audi...
Preprint
Full-text available
Background Cardio-metabolic diseases are the most common cause of death worldwide. Implementing selective prevention strategies has proven a substantial challenge, especially in primary care. Objectives As part of a collaborative European study, this paper aims to assess the implementation of primary care selective prevention interventions in the...
Article
Full-text available
Levothyroxine treatment is common among older adults as is atrial fibrillation (AF), yet less is known about its potential effects on the development of dementia. The study population included all adults with diagnosed AF (n = 156,104) aged ≥ 45 years in Sweden without an earlier recorded diagnosis of dementia. Individuals with a dispensed prescri...
Article
Purpose: We aimed to study the association between country of birth and incident epilepsy in several immigrant groups using Swedish-born individuals as referents. Method: The study population included all adults aged 18 years and older in Sweden, living and deceased, 6,690,598 in the first-generation and 6,683,125 in the second-generation sub-st...
Article
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Background: Patient safety issues in primary health care and in emergency departments have not been as thoroughly explored as patient safety issues in the hospital setting. Knowledge is particularly sparse regarding which patients have a higher risk of harm in these settings. The objective was to evaluate which patient-related factors were associa...
Article
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Background: Mortality is high among elderly patients with traumatic brain injury (TBI). Recent data suggest that early surgical intervention and aggressive rehabilitation may reduce mortality rates even in elderly patients. Our aim was therefore to study the Rapid Emergency Triage and Treatment System–Adult (RETTS-A) triage of patients with isolate...
Article
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Objective: To explore how patients, that had experienced harm in primary care, and how primary providers and practice managers understood reasons for harm and possibilities to reduce risk of harm. Design: Inductive qualitative analysis of structured questionnaires with free text answers. Setting: Primary health care in Sweden. Patients/subjects: Pa...
Article
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We aimed at investigating to what extent CKD may be staged interchangeably by three different eGFR equations in older people, and evaluating the source of discrepancies among equations in a population of 2257 patients older than 75 years enrolled in a multicenter observational study. eGFR was calculated by CKD-EPI, BIS and FAS equations. Statistica...
Article
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Elevated pregnancy-associated plasma protein A (PAPP-A) is associated with mortality in acute coronary syndromes. Few studies have assessed PAPP-A in stable coronary artery disease (CAD) and results are conflicting. We assessed the 10-year prognostic relevance of PAPP-A levels in stable CAD. The CLARICOR trial was a randomized controlled clinical t...
Article
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Background: Diabetic kidney disease (DKD) is a leading risk factor for end-stage renal disease and is one of the most important risk factors for cardiovascular disease in patients with diabetes. It is possible that novel markers portraying the pathophysiological underpinning processes may be useful. Aim: To investigate the associations between 80 c...
Preprint
Background: Prolonged length of stay at the emergency department (ED-LOS) has been associated with increased mortality and hospital stay. The aim of this study was to investigate the association between ED-LOS and 7- and 30-days mortality in patients triaged according to Rapid Emergency Triage and Treatment System – Adult (RETTS-A), the most common...
Article
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Purpose To cover the increasing need for professional knowledge, skills and competences in the care of older people, new learning techniques have been developed. Using the Internet to provide educational material has come into focus of many academic institutions as the learning content can easily be transferred to a larger audience. Since the first...
Article
Background: Patients with atrial fibrillation (AF) have an increased dementia risk dementia. We aimed to study the effect of antihypertensive drugs on dementia in AF patients. Methods: Included patients were ≥45 years diagnosed with AF in Swedish National Patient Register (n = 160,251; 89,723 men and 70,528 women) and alive on January 1, 2007. W...
Article
Background: Increased levels of circulating endostatin predicts cardiovascular morbidity and impaired kidney function in the general population. The utility of endostatin as a risk marker for mortality in the emergency department (ED) has not been reported. Aim: Our main aim was to study the association between plasma endostatin and 90-day morta...
Article
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Cardio-metabolic diseases (CMD; cardiovascular disease, type 2 diabetes, chronic kidney disease) represent a global public health problem. Worldwide, nearly half a billion people are currently diagnosed with diabetes, and cardiovascular disease is the leading cause of death. Most of these diseases can be assuaged/prevented through behavior change....
Article
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Background: Selective prevention of cardiometabolic diseases (CMD)—that is, preventive measures specifically targeting the high-risk population—may represent the most effective approach for mitigating rising CMD rates. Objectives: To develop a universal concept of selective CMD prevention that can guide implementation within European primary care....
Article
BACKGROUND: Decline of renal function is common in older persons and the prevalence of chronic kidney disease (CKD) is rising with ageing. CKD affects different outcomes relevant to older persons, additionally to morbidity and mortality which makes CKD a relevant health burden in this population. Still, accurate laboratory measurement of kidney fu...