Economic and clinical outcomes of a physician-led continuous quality improvement intervention in the delivery of percutaneous coronary intervention

Charanjit S. Rihal, Celia C. Kamath, David R. Holmes, M. Katherine Reller, Stephanie S. Anderson, Erin K. McMurtry, Kirsten Hall Long

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

Objective: To compare clinical and economic outcomes associated with percutaneous coronary intervention (PCI) in cohorts before and after continuous quality improvement (CQI) was instituted. Study Design: Observational study. Methods: Clinical, angiographic, procedural, and outcome data on 1441 pre-CQI and 1760 post-CQI PCIs (performed in 1997 and 1998, respectively) were derived from an institutional PCI registry. Administrative data were used to estimate total procedural and postprocedural costs and length of stay (LOS). Logistic and generalized linear modeling was used to adjust in-hospital clinical and economic outcomes, respectively, for differences in patient characteristics. Results: The 2 cohorts were similar in terms of age, sex, and rate of diabetes. Post-CQI patients more often received intracoronary stents, had urgent PCIs, had a history of prior PCI, and received glycoprotein IIb/IIIa inhibitors. Procedural success without in-hospital complications occurred in 90% of both cohorts and did not differ statistically in adjusted analyses. Compared with patients treated pre-CQI, those treated post-CQI had a reduced adjusted odds ratio for in-hospital death or any myocardial infarction (odds ratio = 0.66; 95% confidence interval = 0.46, 0.95). Models predicted a mean postprocedural LOS difference of 0.8 days (2.8 days pre-CQI vs 2.0 days post-CQI; P<.001) and an average post-CQI cost savings of $5430 (P<.001). Conclusion: Physician-led, multidisciplinary practice management efforts were successful at significantly reducing PCI-related costs in an era of rapid technological advances while maintaining and perhaps improving quality of care.

Original languageEnglish (US)
Pages (from-to)445-452
Number of pages8
JournalAmerican Journal of Managed Care
Volume12
Issue number8
StatePublished - Aug 1 2006

ASJC Scopus subject areas

  • Health Policy

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