Risk of stroke in patients with dengue fever: a population-based cohort study

ABSTRACT BACKGROUND Stroke is a severe neurologic complication of dengue fever, described in only a few case reports. The incidence and risk factors for stroke in patients with dengue remain unclear. We conducted a population-based retrospective cohort study to investigate the risk of stroke in pati...

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Veröffentlicht in:Canadian Medical Association journal (CMAJ) 2018-03, Vol.190 (10), p.E285-E290
Hauptverfasser: Li, Hao-Ming, MD, Huang, Ying-Kai, MD, Su, Yuan-Chih, MSc, Kao, Chia-Hung, MD
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container_issue 10
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container_title Canadian Medical Association journal (CMAJ)
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creator Li, Hao-Ming, MD
Huang, Ying-Kai, MD
Su, Yuan-Chih, MSc
Kao, Chia-Hung, MD
description ABSTRACT BACKGROUND Stroke is a severe neurologic complication of dengue fever, described in only a few case reports. The incidence and risk factors for stroke in patients with dengue remain unclear. We conducted a population-based retrospective cohort study to investigate the risk of stroke in patients with dengue. METHODS Using data from the Taiwan National Health Insurance Research Database, we included a total of 13 787 patients with dengue newly diagnosed between 2000 and 2012. The control cohort consisted of patients who did not have dengue, matched 1:1 by demographic characteristics and stroke-related comorbidities. We calculated the cumulative incidences and hazard ratios (HRs) of stroke in both cohorts using Kaplan–Meier curves and Cox proportional hazards regression. RESULTS The overall incidence rate of stroke was 5.33 per 1000 person-years in the dengue cohort and 3.72 per 1000 person-years in the control cohort, with an adjusted HR of 1.16 (95% confidence interval [CI] 1.01–1.32). The risk of stroke among patients with dengue was highest in the first 2 months after diagnosis (25.53 per 1000 person-years, adjusted HR 2.49, 95% CI 1.48–4.18). INTERPRETATION Dengue fever was associated with an increased risk of stroke in the first few months after diagnosis. The effect of dengue on stroke may be acute rather than chronic.
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The incidence and risk factors for stroke in patients with dengue remain unclear. We conducted a population-based retrospective cohort study to investigate the risk of stroke in patients with dengue. METHODS Using data from the Taiwan National Health Insurance Research Database, we included a total of 13 787 patients with dengue newly diagnosed between 2000 and 2012. The control cohort consisted of patients who did not have dengue, matched 1:1 by demographic characteristics and stroke-related comorbidities. We calculated the cumulative incidences and hazard ratios (HRs) of stroke in both cohorts using Kaplan–Meier curves and Cox proportional hazards regression. RESULTS The overall incidence rate of stroke was 5.33 per 1000 person-years in the dengue cohort and 3.72 per 1000 person-years in the control cohort, with an adjusted HR of 1.16 (95% confidence interval [CI] 1.01–1.32). The risk of stroke among patients with dengue was highest in the first 2 months after diagnosis (25.53 per 1000 person-years, adjusted HR 2.49, 95% CI 1.48–4.18). INTERPRETATION Dengue fever was associated with an increased risk of stroke in the first few months after diagnosis. The effect of dengue on stroke may be acute rather than chronic.</description><identifier>ISSN: 0820-3946</identifier><identifier>EISSN: 1488-2329</identifier><identifier>DOI: 10.1503/cmaj.170994</identifier><identifier>PMID: 29530869</identifier><language>eng</language><publisher>Canada: Joule Inc</publisher><subject>Adult ; Aged ; Cardiac arrhythmia ; Care and treatment ; Codes ; Cohort analysis ; Cohort Studies ; Comorbidity ; Dengue - complications ; Dengue - epidemiology ; Dengue fever ; Disease control ; Female ; Health insurance ; Health risk assessment ; Hospitals ; Humans ; Immunoglobulins ; Infections ; Internal Medicine ; Male ; Medical laboratories ; Medical research ; Middle Aged ; National health insurance ; Online databases ; Patients ; Population ; Population-based studies ; Retrospective Studies ; Risk Assessment - methods ; Risk Factors ; Statistical analysis ; Stroke ; Stroke - epidemiology ; Stroke - etiology ; Stroke patients ; Surveillance ; Taiwan - epidemiology ; Viral infections ; Viruses</subject><ispartof>Canadian Medical Association journal (CMAJ), 2018-03, Vol.190 (10), p.E285-E290</ispartof><rights>Joule Inc. or its licensors</rights><rights>2018 Joule Inc. or its licensors.</rights><rights>COPYRIGHT 2018 Joule Inc.</rights><rights>Copyright Joule Inc Mar 12, 2018</rights><rights>2018 Joule Inc. or its licensors 2018</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c695t-698fcb8f9366f12baa751cf26a214c7c81e1d6c6693b872d38a43fe9bcaee9a63</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5849447/pdf/$$EPDF$$P50$$Gpubmedcentral$$H</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5849447/$$EHTML$$P50$$Gpubmedcentral$$H</linktohtml><link.rule.ids>230,314,727,780,784,864,885,27924,27925,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29530869$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Li, Hao-Ming, MD</creatorcontrib><creatorcontrib>Huang, Ying-Kai, MD</creatorcontrib><creatorcontrib>Su, Yuan-Chih, MSc</creatorcontrib><creatorcontrib>Kao, Chia-Hung, MD</creatorcontrib><title>Risk of stroke in patients with dengue fever: a population-based cohort study</title><title>Canadian Medical Association journal (CMAJ)</title><addtitle>CMAJ</addtitle><description>ABSTRACT BACKGROUND Stroke is a severe neurologic complication of dengue fever, described in only a few case reports. The incidence and risk factors for stroke in patients with dengue remain unclear. We conducted a population-based retrospective cohort study to investigate the risk of stroke in patients with dengue. METHODS Using data from the Taiwan National Health Insurance Research Database, we included a total of 13 787 patients with dengue newly diagnosed between 2000 and 2012. The control cohort consisted of patients who did not have dengue, matched 1:1 by demographic characteristics and stroke-related comorbidities. We calculated the cumulative incidences and hazard ratios (HRs) of stroke in both cohorts using Kaplan–Meier curves and Cox proportional hazards regression. RESULTS The overall incidence rate of stroke was 5.33 per 1000 person-years in the dengue cohort and 3.72 per 1000 person-years in the control cohort, with an adjusted HR of 1.16 (95% confidence interval [CI] 1.01–1.32). The risk of stroke among patients with dengue was highest in the first 2 months after diagnosis (25.53 per 1000 person-years, adjusted HR 2.49, 95% CI 1.48–4.18). INTERPRETATION Dengue fever was associated with an increased risk of stroke in the first few months after diagnosis. 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The incidence and risk factors for stroke in patients with dengue remain unclear. We conducted a population-based retrospective cohort study to investigate the risk of stroke in patients with dengue. METHODS Using data from the Taiwan National Health Insurance Research Database, we included a total of 13 787 patients with dengue newly diagnosed between 2000 and 2012. The control cohort consisted of patients who did not have dengue, matched 1:1 by demographic characteristics and stroke-related comorbidities. We calculated the cumulative incidences and hazard ratios (HRs) of stroke in both cohorts using Kaplan–Meier curves and Cox proportional hazards regression. RESULTS The overall incidence rate of stroke was 5.33 per 1000 person-years in the dengue cohort and 3.72 per 1000 person-years in the control cohort, with an adjusted HR of 1.16 (95% confidence interval [CI] 1.01–1.32). The risk of stroke among patients with dengue was highest in the first 2 months after diagnosis (25.53 per 1000 person-years, adjusted HR 2.49, 95% CI 1.48–4.18). INTERPRETATION Dengue fever was associated with an increased risk of stroke in the first few months after diagnosis. The effect of dengue on stroke may be acute rather than chronic.</abstract><cop>Canada</cop><pub>Joule Inc</pub><pmid>29530869</pmid><doi>10.1503/cmaj.170994</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record>
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subjects Adult
Aged
Cardiac arrhythmia
Care and treatment
Codes
Cohort analysis
Cohort Studies
Comorbidity
Dengue - complications
Dengue - epidemiology
Dengue fever
Disease control
Female
Health insurance
Health risk assessment
Hospitals
Humans
Immunoglobulins
Infections
Internal Medicine
Male
Medical laboratories
Medical research
Middle Aged
National health insurance
Online databases
Patients
Population
Population-based studies
Retrospective Studies
Risk Assessment - methods
Risk Factors
Statistical analysis
Stroke
Stroke - epidemiology
Stroke - etiology
Stroke patients
Surveillance
Taiwan - epidemiology
Viral infections
Viruses
title Risk of stroke in patients with dengue fever: a population-based cohort study
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