Experience Curve With the Cone Procedure for Ebstein’s Anomaly: Effect on Cost and Resource Utilization
JACC: Advances(2024)
摘要
Background
The volume-outcome relationship is well-known in health care. The Experience Curve, initially developed by the Boston Consulting Group for manufacturing, offers insight on this relationship and has never before been applied to health care.
Objectives
The purpose of this study was to determine the effect of experience on cost and resource utilization for the Cone procedure.
Methods
We performed a retrospective review of patients who underwent Cone reconstruction for Ebstein’s anomaly at Boston Children’s Hospital between October 2010 and October 2021. Cardiopulmonary bypass time and aortic cross clamp time over time were evaluated using exponential regression to assess the surgeon-level learning curve. At the hospital level, length of stay and cost over time were assessed using exponential regression.
Results
There were 115 patients included in the study. Median hospital length of stay was 7.9 days (IQR: 6.4-10.2 days) with a decline of 3.3% per year. Median intensive care unit [ICU] length of stay was 3.2 days (IQR: 2-5.7 days) with a decline of 10.5% per year. Adjusted direct costs indexed to 2020 prices fell by 4% per year. There was no statistically significant change in cardiopulmonary bypass or aortic cross clamp time. In mediation analysis, the reduction in cost was completely accounted for in the decline in ICU length of stay. ICU length of stay was correlated with duration of intubation.
Conclusions
Increasing familiarity with Ebstein’s anomaly and Cone reconstruction led to a reduction in resource utilization.
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关键词
experience curve,health economics,public policy,regionalization,specialty care
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