Did Postoperative Mortality Increase After the Implementation of the Medicare Balanced Budget Act?

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Abstract
Background: The Balanced Budget Act (BBA) of 1997 was a cost-saving measure designed to reduce Medicare reimbursements by $116.4 billion from 1998 to 2002. Resulting financial strain could adversely affect the quality of patient care in hospitals. Objective: We sought to determine whether 30-day mortality rates for surgical patients who developed complications changed at different rates in hospitals under different levels of financial strain from the BBA. Methods: Pennsylvania hospital discharge data, financial data, and death certificate data from 1997 to 2001 were obtained. A retrospective multivariate analysis examined whether 30-day mortality rates from 8 postoperative complications varied based on degree of hospital financial strain. Results: The average magnitude of Medicare payment reduction on overall hospital net revenues was estimated at 1.8% for hospitals with low BBA impact and 3.5% for hospitals with high impact in 1998, worsening to 2.0% and 4.8%, respectively, by 2001. Mortality rates changed at similar rates for high- and low-impact hospitals from 1997 to 1999, but from 1997 to 2000 mortality rates increased more among patients in high-impact compared with low-impact hospitals (P < 0.05). From 2000 to 2001, mortality rates among impact groups converged. There were no statistically significant differences based on BBA impact in changes in nursing staff or length of stay. Conclusions: The mortality of surgical patients who developed postoperative complications increased to a greater degree in the short term in hospitals affected more by BBA. Measuring the quality impact of reimbursement cuts is necessary to understand cost-quality tradeoffs that may accompany cost-saving reforms.