- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00005262
Epidemiology of Idiopathic Dilated Cardiomyopathy (Washington, DC Dilated Cardiomyopathy Study)
Study Overview
Status
Detailed Description
BACKGROUND:
Idiopathic dilated cardiomyopathy is an often fatal cause of heart failure in young adults which is characterized by dilatation of the ventricles, increased myocardial mass, and impairment of systolic function. Dilated cardiomyopathy is more common than hypertrophic and restrictive cardiomyopathy, and the symptoms and physical signs are those of left-sided and eventually right-sided heart failure. Histologic findings in the condition include nonspecific interstitial myocardial fibrosis and myocyte hypertrophy. Despite the large number of systemic or generalized disease processes which have been associated with secondary dilated cardiomyopathy, the majority of cases are idiopathic. Mortality rates from cardiomyopathy have increased dramatically since 1970, and in 1990 over 10,000 deaths annually were attributed to cardiomyopathy in the United States.
DESIGN NARRATIVE:
The study had a prospective case-control design. Medical records of possible cases of idiopathic dilated cardiomyopathy who were discharged from five Washington, D. C. acute care hospitals over a two year period were abstracted so that standard diagnostic criteria could be applied. Two neighborhood controls were identified for each case. Cases and controls were matched on five year age intervals, sex, and telephone exchange. Cases were contacted annually during the two to three year follow-up period to determine vital status. The study determined whether the reported association between idiopathic dilated cardiomyopathy and asthma could be confirmed and the possible role of asthma medications, cigarette smoking, moderate alcohol consumption, and diabetes mellitus in the etiology of idiopathic dilated cardiomyopathy. The role of hypertension was also studied.. Statistical analysis consisted of case-control comparisons using conditional logistic regression techniques, and survival analyses using Kaplan-Meier curves and proportional hazards models.
The study was also known as the Washington, D.C. Dilated Cardiomyopathy Study. Dr. Coughlin started his research at Georgetown University in Washington, D.C. and transferred to Tulane University.
The study completion date listed in this record was obtained from the "End Date" entered in the Protocol Registration and Results System (PRS) record.
Study Type
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Study Plan
How is the study designed?
Collaborators and Investigators
Publications and helpful links
General Publications
- Coughlin SS, Neaton JD, Sengupta A, Kuller LH. Predictors of mortality from idiopathic dilated cardiomyopathy in 356,222 men screened for the Multiple Risk Factor Intervention Trial. Am J Epidemiol. 1994 Jan 15;139(2):166-72. doi: 10.1093/oxfordjournals.aje.a116978.
- Coughlin SS, Myers L, Michaels RK. What explains black-white differences in survival in idiopathic dilated cardiomyopathy? The Washington, DC, Dilated Cardiomyopathy Study. J Natl Med Assoc. 1997 Apr;89(4):277-82.
- Metayer C, Coughlin SS, Mather FJ. Does cigarette smoking paradoxically increase survival in idiopathic dilated cardiomyopathy?. The Washington, D.C., Dilated Cardiomyopathy Study. Cardiology. 1996 Nov-Dec;87(6):502-8. doi: 10.1159/000177146.
- Coughlin SS, Rice JC. Obesity and idiopathic dilated cardiomyopathy. Epidemiology. 1996 Nov;7(6):629-32. doi: 10.1097/00001648-199611000-00011.
- Coughlin SS, Tefft MC, Rice JC, Gerone JL, Baughman KL. Epidemiology of idiopathic dilated cardiomyopathy in the elderly: pooled results from two case-control studies. Am J Epidemiol. 1996 May 1;143(9):881-8. doi: 10.1093/oxfordjournals.aje.a008831.
- Coughlin SS, Pickle LW, Goodman MT, Wilkens LR. The logistic modeling of interobserver agreement. J Clin Epidemiol. 1992 Nov;45(11):1237-41. doi: 10.1016/0895-4356(92)90164-i.
- Coughlin SS, Beauchamp TL. Ethics, scientific validity, and the design of epidemiologic studies. Epidemiology. 1992 Jul;3(4):343-7. doi: 10.1097/00001648-199207000-00009.
- Coughlin SS, Pickle LW. Sensitivity and specificity-like measures of the validity of a diagnostic test that are corrected for chance agreement. Epidemiology. 1992 Mar;3(2):178-81. doi: 10.1097/00001648-199203000-00017.
- Coughlin SS, Trock B, Criqui MH, Pickle LW, Browner D, Tefft MC. The logistic modeling of sensitivity, specificity, and predictive value of a diagnostic test. J Clin Epidemiol. 1992 Jan;45(1):1-7. doi: 10.1016/0895-4356(92)90180-u.
- Coughlin SS, Nass CC, Pickle LW, Trock B, Bunin G. Regression methods for estimating attributable risk in population-based case-control studies: a comparison of additive and multiplicative models. Am J Epidemiol. 1991 Feb 1;133(3):305-13. doi: 10.1093/oxfordjournals.aje.a115875.
- Coughlin SS, Chiazze L Jr. Job-exposure matrices in epidemiologic research and medical surveillance. Occup Med. 1990 Jul-Sep;5(3):633-46.
- Coughlin SS, Metayer C, McCarthy EP, Mather FJ, Waldhorn RE, Gersh BJ, DuPraw S, Baughman KL. Respiratory illness, beta-agonists, and risk of idiopathic dilated cardiomyopathy. The Washington, DC, Dilated Cardiomyopathy Study. Am J Epidemiol. 1995 Aug 15;142(4):395-403. doi: 10.1093/oxfordjournals.aje.a117647.
- Benton RE, Coughlin SS, Tefft MC. Predictors of coronary angiography in patients with idiopathic dilated cardiomyopathy: the Washington, DC Dilated Cardiomyopathy Study. J Clin Epidemiol. 1994 May;47(5):501-11. doi: 10.1016/0895-4356(94)90297-6.
- Coughlin SS, Gottdiener JS, Baughman KL, Wasserman A, Marx ES, Tefft MC, Gersh BJ. Black-white differences in mortality in idiopathic dilated cardiomyopathy: the Washington, DC, dilated cardiomyopathy study. J Natl Med Assoc. 1994 Aug;86(8):583-91.
- Coughlin SS, Tefft MC. The epidemiology of idiopathic dilated cardiomyopathy in women: the Washington DC Dilated Cardiomyopathy Study. Epidemiology. 1994 Jul;5(4):449-55. doi: 10.1097/00001648-199407000-00012.
- Coughlin SS, Pearle DL, Baughman KL, Wasserman A, Tefft MC. Diabetes mellitus and risk of idiopathic dilated cardiomyopathy. The Washington, DC Dilated Cardiomyopathy Study. Ann Epidemiol. 1994 Jan;4(1):67-74. doi: 10.1016/1047-2797(94)90044-2.
- Coughlin SS. A ban on policy recommendations in epidemiology research papers? Surely, you jest! Epidemiology. 1994 Mar;5(2):257-8. doi: 10.1097/00001648-199403000-00018. No abstract available.
- Coughlin SS, Comstock GW, Baughman KL. Descriptive epidemiology of idiopathic dilated cardiomyopathy in Washington County, Maryland, 1975-1991. J Clin Epidemiol. 1993 Sep;46(9):1003-8. doi: 10.1016/0895-4356(93)90167-y.
- Coughlin SS, Labenberg JR, Tefft MC. Black-white differences in idiopathic dilated cardiomyopathy: the Washington DC dilated Cardiomyopathy Study. Epidemiology. 1993 Mar;4(2):165-72. doi: 10.1097/00001648-199303000-00013.
- Coughlin SS, Benichou J, Weed DL. Attributable risk estimation in case-control studies. Epidemiol Rev. 1994;16(1):51-64. doi: 10.1093/oxfordjournals.epirev.a036144. No abstract available.
Study record dates
Study Major Dates
Study Start
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ESTIMATE)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 1146
- R29HL044904 (NIH)
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