Why the study?
Did the release of the ACAS Clinical Advisory increase the volume of carotid endarterectomies performed in Florida?
Population
Patients undergoing carotid endarterectomy (CEA, ICD-9-CM 38.12) in nonfederal Florida hospitals
Comparison
Time period following the Asymptomatic Carotid… vs Time period preceding the ACAS Clinical Advisory
Design
Cohort
Authors
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ACAS advisory release was associated with higher CEA volumes and lower mortality in Florida; leaves open causal attribution to the advisory itself.
Did the release of the ACAS Clinical Advisory increase the volume of carotid endarterectomies performed in Florida?
The release of the ACAS Clinical Advisory was associated with a dramatic 68.3% increase in carotid endarterectomy volume in Florida, alongside reduced mortality and complication rates.
Huber et al. (1998) studied this question.
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