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Coronary Screening in a High Risk Subset



Coronary Screening in a High Risk Subset

For Condition: Cardiovascular Diseases,Coronary Disease,Heart Diseases
Status: Completed
Sponsor(s): National Heart, Lung, and Blood Institute (NHLBI) ,
Synopsis: To test the hypothesis that the incidence of coronary heart disease and cardiovascular mortality could be accurately predicted by the presence of coronary calcific deposits detected by cardiac fluoroscopy.
Details: BACKGROUND: Because of its low cost and non-invasive nature, fluoroscopy was thought to be a potentially powerful screening tool for coronary heart disease if its efficiency could be demonstrated. The utility of exercise testing for screening had been limited by its relatively low sensitivity since it could only detect atherosclerotic plaque large enough to significantly impede coronary flow. DESIGN NARRATIVE: Asymptomatic high risk subjects were screened with cardiac fluoroscopy and exercise testing at baseline and followed for six years with annual visits. The sensitivity and specificity of fluoroscopy in relation to the incidence of coronary heart disease and the incidence of cardiovascular mortality was determined and compared at 3.5 and 6 years of follow-up. The predictive utility of fluoroscopy and exercise testing, in relation to the incidence of coronary events, was assessed by logistic regression analysis. Multivariate analysis was also performed on baseline risk factors.
Eligibility:
Study Type:  Observational, Natural History
Minimum Age/Maximum Age: /
Genders: Male
Protocol Entry Criteria: No eligibility criteria
Total Enrollment: 

Location and Contact Information:


Additional Information:
Study ID Numbers:  1138; 
Study Start Date: May 1990
Record last reviewed: April 2000
Additional information available at: clinicaltrials.gov
Clinicaltrials.gov Reference link: NCT00005256

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3. Health Professionals Follow-up Study

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5. Bogalusa Heart Study

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