Maartje N Niemeijer1, Marten E van den Berg2, Maarten J G Leening3, Albert Hofman1, Oscar H Franco1, Jaap W Deckers4, Jan Heeringa1, Peter R Rijnbeek2, Bruno H Stricker5, Mark Eijgelsheim6. 1. Department of Epidemiology, Erasmus MC-University Medical Center Rotterdam, Rotterdam, the Netherlands. 2. Department of Medical Informatics, Erasmus MC-University Medical Center Rotterdam, Rotterdam, the Netherlands. 3. Department of Epidemiology, Erasmus MC-University Medical Center Rotterdam, Rotterdam, the Netherlands; Department of Cardiology, Erasmus MC-University Medical Center Rotterdam, Rotterdam, the Netherlands. 4. Department of Cardiology, Erasmus MC-University Medical Center Rotterdam, Rotterdam, the Netherlands. 5. Department of Epidemiology, Erasmus MC-University Medical Center Rotterdam, Rotterdam, the Netherlands; Department of Internal Medicine, Erasmus MC-University Medical Center Rotterdam, Rotterdam, the Netherlands; Inspectorate of Health Care, The Hague, the Netherlands. Electronic address: b.stricker@erasmusmc.nl. 6. Department of Epidemiology, Erasmus MC-University Medical Center Rotterdam, Rotterdam, the Netherlands; Department of Internal Medicine, Erasmus MC-University Medical Center Rotterdam, Rotterdam, the Netherlands.
Abstract
BACKGROUND: Although sudden cardiac death (SCD) is relatively common, contemporary data on its incidence are lacking. OBJECTIVE: The purpose of this study was to investigate the current incidence of SCD and its trend over the past 2 decades in a general middle-aged and elderly population. METHODS: This study was performed within the Rotterdam Study, a prospective population-based cohort study of persons aged 45 years and older. Age-standardized incidence rates of SCD were calculated. To study trends in incidence, we compared 2 subcohorts within the total study population, 1 followed from 1990-2000 and the other from 2001-2010. RESULTS: From 1990-2010, 5512 of 14,628 participants died, of whom 583 (4.0%) were classified as SCD. The overall incidence was 4.2 per 1000 person-years. The incidence was higher in men (5.2 per 1000 person-years) than in women (3.6 per 1000 person-years). Age-adjusted hazard ratio (HR) 1.84 (95% confidence [CI] 1.56-2.17) and risk of SCD increased with age (HR 1.10 per year; 95% CI 1.09-1.11). The incidence rate from 1990-2000 was 4.7 per 1000 person-years vs 2.1 per 1000 person-years from 2001-2010 (age- and sex-adjusted HR of SCD 0.60, 95% CI 0.44-0.80). To check for cohort effects, we also analyzed the incidence of total mortality and found an age- and sex-adjusted HR of total mortality of 0.82 (95% CI 0.75-0.90) for the second compared to the first subcohort, which was significantly higher than the decline in SCD incidence. CONCLUSION: We found an incidence of SCD of 4.2 per 1000 person-years. The incidence decreased from 1990-2010, a period during which the diagnosis and treatment of heart disease greatly improved.
BACKGROUND: Although sudden cardiac death (SCD) is relatively common, contemporary data on its incidence are lacking. OBJECTIVE: The purpose of this study was to investigate the current incidence of SCD and its trend over the past 2 decades in a general middle-aged and elderly population. METHODS: This study was performed within the Rotterdam Study, a prospective population-based cohort study of persons aged 45 years and older. Age-standardized incidence rates of SCD were calculated. To study trends in incidence, we compared 2 subcohorts within the total study population, 1 followed from 1990-2000 and the other from 2001-2010. RESULTS: From 1990-2010, 5512 of 14,628 participants died, of whom 583 (4.0%) were classified as SCD. The overall incidence was 4.2 per 1000 person-years. The incidence was higher in men (5.2 per 1000 person-years) than in women (3.6 per 1000 person-years). Age-adjusted hazard ratio (HR) 1.84 (95% confidence [CI] 1.56-2.17) and risk of SCD increased with age (HR 1.10 per year; 95% CI 1.09-1.11). The incidence rate from 1990-2000 was 4.7 per 1000 person-years vs 2.1 per 1000 person-years from 2001-2010 (age- and sex-adjusted HR of SCD 0.60, 95% CI 0.44-0.80). To check for cohort effects, we also analyzed the incidence of total mortality and found an age- and sex-adjusted HR of total mortality of 0.82 (95% CI 0.75-0.90) for the second compared to the first subcohort, which was significantly higher than the decline in SCD incidence. CONCLUSION: We found an incidence of SCD of 4.2 per 1000 person-years. The incidence decreased from 1990-2010, a period during which the diagnosis and treatment of heart disease greatly improved.
Authors: Albert Hofman; Guy G O Brusselle; Sarwa Darwish Murad; Cornelia M van Duijn; Oscar H Franco; André Goedegebure; M Arfan Ikram; Caroline C W Klaver; Tamar E C Nijsten; Robin P Peeters; Bruno H Ch Stricker; Henning W Tiemeier; André G Uitterlinden; Meike W Vernooij Journal: Eur J Epidemiol Date: 2015-09-19 Impact factor: 8.082
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Authors: M Arfan Ikram; Guy G O Brusselle; Sarwa Darwish Murad; Cornelia M van Duijn; Oscar H Franco; André Goedegebure; Caroline C W Klaver; Tamar E C Nijsten; Robin P Peeters; Bruno H Stricker; Henning Tiemeier; André G Uitterlinden; Meike W Vernooij; Albert Hofman Journal: Eur J Epidemiol Date: 2017-10-24 Impact factor: 8.082