Claus Høstrup Vestergaard

ORCID: 0000-0003-2916-1548
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About
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Research Areas
  • Schizophrenia research and treatment
  • Telemedicine and Telehealth Implementation
  • Emergency and Acute Care Studies
  • Healthcare Systems and Technology
  • Chronic Disease Management Strategies
  • Bipolar Disorder and Treatment
  • Mental Health and Psychiatry
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Patient Satisfaction in Healthcare
  • Health Systems, Economic Evaluations, Quality of Life
  • Crystallography and molecular interactions
  • Health disparities and outcomes
  • Maternal Mental Health During Pregnancy and Postpartum
  • Pharmacological Effects and Toxicity Studies
  • Antibiotic Use and Resistance
  • Child and Adolescent Psychosocial and Emotional Development
  • Electroconvulsive Therapy Studies
  • Epilepsy research and treatment
  • Primary Care and Health Outcomes
  • Personality Disorders and Psychopathology
  • Medication Adherence and Compliance
  • Healthcare Policy and Management
  • Atrial Fibrillation Management and Outcomes
  • Diabetes, Cardiovascular Risks, and Lipoproteins

Aarhus University
2016-2025

IS practice
2020

Mental Health Services
2018

Aarhus University Hospital
2015-2018

Jewish General Hospital
2018

Region of Southern Denmark
2018

Copenhagen University Hospital
2008-2009

Rigshospitalet
2008-2009

University of Southern Denmark
2000

Danish Technological Institute
1992

Abstract Background Patients with multimorbidity are frequent users of healthcare, but fragmented care may lead to suboptimal treatment. Yet, this has never been examined across healthcare sectors on a national scale. We aimed quantify fragmentation using various measures and analyze the associations patient outcomes. Methods conducted register-based nationwide cohort study 4.7 million Danish adult citizens. All contacts primary hospitals during 2018 were recorded. Clinical indicators...

10.1186/s12916-023-03021-3 article EN cc-by BMC Medicine 2023-08-15

To assess the fetal loss rate following amniocentesis and chorionic villus sampling (CVS).This was a national registry-based cohort study, including all singleton pregnant women who had an (n = 32 852) or CVS 31 355) in Denmark between 1996 2006. Personal registration numbers of having were retrieved from Danish Central Cytogenetic Registry, cross-linked with National Registry Patients to determine outcome each pregnancy. Postprocedural defined as miscarriage intrauterine demise before 24...

10.1002/uog.6377 article EN Ultrasound in Obstetrics and Gynecology 2009-06-05

<h3>Importance</h3> Streptococcal infection has been linked with the development of obsessive-compulsive disorder (OCD) and tic disorders, a concept termed<i>pediatric autoimmune neuropsychiatric disorders associated streptococcal infection</i>(PANDAS). However, previous studies this association have small, results conflicting. <h3>Objective</h3> To investigate risk mental specifically OCD after throat infection. <h3>Design, Setting, Participants</h3> A population-based cohort study was...

10.1001/jamapsychiatry.2017.0995 article EN JAMA Psychiatry 2017-05-24

Background and Purpose- It has been suggested that statins increase the risk of intracerebral hemorrhage in individuals with a history stroke, which led to precautionary principle avoiding patients prior hemorrhage. However, such prescribing reticence may be unfounded potentially harmful when considering well-established benefits statins. This study is so far largest explore statin-associated stroke. Methods- We conducted population-based, propensity score-matched cohort using information...

10.1161/strokeaha.119.027301 article EN Stroke 2020-03-18

Background The COVID-19 pandemic has altered the provision of health care and expanded telehealth consultations. Aim To study effect on contact patterns in general practice, to identify patient groups at risk losing care. Design setting Register-based Danish including daytime out-of-hours (OOH) services. Method All individuals residing Denmark from 1 January 2017 31 October 2020 were included. incidence rate for six types practice adjusted ratio calculated by comparing period with expected...

10.3399/bjgp.2021.0703 article EN cc-by British Journal of General Practice 2022-08-30

Background During the COVID-19 pandemic, general practices in Denmark rapidly introduced video consultations (VCs) to prevent viral transmission. Aim To study use of VCs daytime practice by describing rate VCs, and patient characteristics associated with having VCs. Design &amp; setting Register-based Denmark. Method We included all from 1 January 2019–30 November 2021. calculated categorised into no, low, high use. Logistic regression was used calculate adjusted odds ratios (aOR) for a VC...

10.3399/bjgpo.2023.0208 article EN cc-by BJGP Open 2024-01-08

Our aims were to describe health care utilisation patterns across sectors in patients with type 2 diabetes(T2D), and identify patient characteristics associated low continuity of care. A nationwide register-based cohort study including all Danish citizens recorded a diagnosis T2 diabetes 2017. The outcome was as measured by three different indices: the Continuity Care Index (COCI), Usual Provider (UPC), Sequential (SECON). median T2D had 75 % their contacts usual provider. strongest...

10.1016/j.pcd.2025.02.004 article EN cc-by Primary care diabetes 2025-02-01

Patients with borderline personality disorder (BPD) are known to present frequently in emergency rooms, and they have a high rate of suicide. The mortality patients BPD is still unclear. Danish Psychiatric Central Research Register for Causes Death were used identify first-ever diagnosis (ICD-10: F60.31) from 1995 through 2011 together time cause death. A total 10,545 followed mean 7.98 years. 547 deaths registered. standardized ratio compared the general population was 8.3 (95% CI [7.6,...

10.1521/pedi_2018_32_403 article EN Journal of Personality Disorders 2018-10-11

<h3>Objective</h3> To determine the maternal mortality in women with epilepsy. <h3>Methods</h3> This was a matched case-control study of pregnant Denmark who were born between January 1, 1962, and December 31, 1994, alive on their 18th birthday. We defined as deaths pregnancy first 42 days after termination pregnancy. Cases pregnancies diagnosis epilepsy before Data analyzed conditional logistic model. For comparison, we estimated childbearing age (18–50 years) diagnosed regardless status...

10.1212/wnl.0000000000006426 article EN cc-by-nc-nd Neurology 2018-09-27

To explore and compare safety, efficiency, health-related quality of telephone triage in out-of-hours primary care (OOH-PC) services performed by general practitioners (GPs), nurses using a computerised decision support system (CDSS), or physicians with different medical specialities.Natural quasi-experimental cross-sectional study conducted November December 2016. We randomly selected 1294 audio-recorded calls from two Danish OOH-PC triaged GPs (n = 423), CDSS 430), specialities 441). An...

10.1186/s12875-020-01122-z article EN cc-by BMC Family Practice 2020-05-09

<h3>Importance</h3> Individuals with bipolar disorder or schizophrenia have a higher risk of adverse outcomes from cardiovascular diseases. Oral anticoagulation therapy (OAT) for patients atrial fibrillation (AF) is needed stroke prevention, but whether face disparities in receiving this unknown. <h3>Objective</h3> To assess associated lower rate OAT initiation incident AF and prevalence those prevalent AF. <h3>Design, Setting, Participants</h3> A nationwide cohort study Danish was conducted...

10.1001/jamanetworkopen.2021.10096 article EN cc-by-nc-nd JAMA Network Open 2021-05-17

Patients with schizophrenia experience low quality of life (QOL).To examine QOL in these patients and the relation between illness duration, adjusted daily doses (ADDs) antipsychotics, body mass index (BMI), waist circumference smoking.In this naturalistic, cross-sectional study, 82 were interviewed about smoking habits. completed a questionnaire (World Health Organization Quality Life-Bref) consisting physical, psychological, social environmental domains had height, weight measured. The...

10.1177/0020764015585330 article EN International Journal of Social Psychiatry 2015-05-18

The epidemiological data on the diagnostic course of patients with borderline personality disorder (BPD) is limited. We used a nationwide register to investigate stability and changes over time.The Danish registers were follow all diagnosis BPD their first-ever psychiatric latest in time period 1995-2012. From this, we found described changes.A total 10 786 diagnosed identified. prospective stabilities 37% for females 25% males, retrospective 20% 22% males. More than 60% received other...

10.1002/pmh.1337 article EN Personality and Mental Health 2016-04-29

Abstract Background Out-of-hours primary care (OOH-PC) is challenging due to high workloads, workforce shortages, and long waiting transportation times for patients. Use of video enables triage professionals visually assess patients, potentially ending more contacts in a telephone contact instead referring patients resource-demanding clinic consultations or home visits. Thus, use may help reduce health resources OOH-PC. Objective This study aimed investigate OOH-PC Denmark by studying rate...

10.2196/47039 article EN cc-by JMIR Medical Informatics 2024-02-10

Objective The Danish psychiatric system has gone through several structural changes in the last four decades. deinstitutionalization of mental healthcare was implemented Denmark late 1970s with intention increasing out‐patient treatment. One aims reorganization to treat patient local environment rather than during long‐term hospitalization. This study focuses on utilization hospital facilities. Method Using register data from secondary treatment patients diagnosed schizophrenia 1970–2012, we...

10.1111/acps.12549 article EN Acta Psychiatrica Scandinavica 2016-01-08

Abstract STUDY QUESTION Do women with endometriosis have higher utilization of primary and secondary healthcare prior to diagnosis compared without endometriosis? SUMMARY ANSWER Women a hospital-based had an overall both in all 10 years diagnosis. WHAT IS KNOWN ALREADY Endometriosis is associated diagnostic delay, but only few studies investigated the potential consequences this delay regard healthcare. To best our knowledge, no study has it period corresponding estimated delay. DESIGN,...

10.1093/humrep/dead164 article EN cc-by Human Reproduction 2023-08-15

Background Depression is a common and potentially debilitating illness worldwide. Attendance to routine childcare appointments key point of interest in the effort improve health care for families facing depression. Aim To evaluate association between maternal depression offspring non-attendance Danish vaccination programme (CCP) children from 0–5 years age. The CCP consists seven separate visits several vaccinations. investigate if exposure recent previous may affect attendance differently....

10.3399/bjgp18x694565 article EN British Journal of General Practice 2018-01-15

Objectives Traumatic brain injury (TBI) is commonly seen in the emergency department (ED). Approximately 85%–90% of TBIs are mild (mTBI). Some cause symptoms such as headache, dizziness, anxiety, blurred vision, insomnia and concentration difficulties, collectively known postconcussion syndrome (PCS). studies suggest that recovery from mTBI complete. Others find persist for months, even years. The aim this study was to describe use general practice, before after mTBI, a proxy large cohort....

10.1136/bmjopen-2017-017735 article EN cc-by-nc BMJ Open 2017-12-01

The objective of the present study was to explore past and future primary health care use in preadolescents reporting frequent non-specific complaints or a low self-rated compared that with no good health. conducted as cohort based within Danish National Birth Cohort (1996-2002). Information on obtained by an 11-year follow-up questionnaire. about number general practitioner (GP) contacts from Health Insurance Service Register. A total 44,877 pre-adolescents gave complete exposure...

10.1038/s41598-020-60125-z article EN cc-by Scientific Reports 2020-02-24

Depression is a common mental illness worldwide. The offspring of mother with depression has higher risk developing and physical illness.This study aimed to investigate the association between timing maternal use primary health care for offspring.A population-based birth cohort in Danish using national registers.All children born 1 January 2000 31 December 2013 (n = 869 140 children) were included study. outcome was number type annual contacts GP. secondary specific services used by GP...

10.3399/bjgp18x700733 article EN British Journal of General Practice 2018-12-17
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