Why the study?
Does higher hospital and surgeon volume reduce in-hospital mortality in children undergoing congenital heart surgery?
Population
7,169 children undergoing congenital heart surgery in New York from 1992 to 1995.
Comparison
High annual provider volume vs Low annual provider volume
Design
Cohort
Follow-up
in-hospital
Authors
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May support regionalization to high-volume centers; leaves open whether thresholds should guide policy without prospective data.
Does higher hospital and surgeon volume reduce in-hospital mortality in children undergoing congenital heart surgery?
Higher hospital and surgeon volumes are significantly associated with lower in-hospital mortality for pediatric cardiac surgery.
Hannan et al. (1998) studied this question.
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