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Estimating cost savings from regionalizing cardiac procedures using hospital discharge data
1Baker Institute, Rice University, 6100 Main Street, Houston, TX 77005, USA. vho@rice.edu
Cost Effectiveness and Resource Allocation : C/E
|July 3, 2007
Summary
Higher procedure volumes for coronary artery bypass graft (CABG) surgery and percutaneous coronary interventions (PCI) correlate with lower costs. However, potential savings from regionalizing these cardiac procedures are minor and may not outweigh access concerns.
Area of Science:
- Health Economics
- Cardiovascular Surgery
- Interventional Cardiology
Background:
- Examined the relationship between procedure volume and cost for cardiac surgeries.
- Investigated potential financial savings from regionalizing cardiac procedures.
Purpose of the Study:
- To determine if higher procedure volumes for CABG and PCI are linked to reduced per-patient costs.
- To estimate the financial benefits of centralizing cardiac procedures in higher-volume facilities.
Main Methods:
- Utilized cost regressions with hospital-specific dummy variables to assess within-hospital cost reductions.
- Employed regression estimates to predict cost changes from relocating patients to higher-volume hospitals.
Main Results:
- A 10% increase in PCI volume reduced costs by 0.7%; a 10% increase in CABG volume reduced costs by 2.8%.
- Regionalizing all PCI procedures yielded only a 1.1% cost saving; CABG regionalization savings were estimated at 3.5%.
Conclusions:
- Increased procedural volume is associated with lower per-procedure costs.
- The overall financial savings from regionalizing cardiac procedures are modest and may not justify potential risks to patient access.
