Evaluation of the effectiveness of a surgical checklist in Medicare patients

Bradley N. Reames, Christopher P. Scally, Jyothi R. Thumma, Justin B. Dimick

Research output: Contribution to journalArticle

15 Scopus citations

Abstract

Background: Surgical checklists are increasingly used to improve compliance with evidence-based processes in the perioperative period. Although enthusiasm exists for using checklists to improve outcomes, recent studies have questioned their effectiveness in large populations. Objective: We sought to examine the association of Keystone Surgery, a statewide implementation of an evidence-based checklist and Comprehensive Unit-based Safety Program, on surgical outcomes and health care costs. Methods: We performed a study using national Medicare claims data for patients undergoing general and vascular surgery (n = 1,002,241) from 2006 to 2011. A difference-in-differences approach was used to evaluate whether implementation was associated with improved surgical outcomes and decreased costs when compared with a national cohort of nonparticipating hospitals. Propensity score matching was used to select 10 control hospitals for each participating hospital. Costs were assessed using pricestandardized 30-day Medicare payments for acute hospitalizations, readmissions, and high-cost outliers. Results: Keystone Surgery implementation in participating centers (N = 95 hospitals) was not associated with improved outcomes. Difference-in-differences analysis accounting for trends in nonparticipating hospitals (N = 950 hospitals) revealed no differences in adjusted rates of 30-day mortality [relative risk (RR) = 1.03; 95% confidence intervals (CI), 0.97-1.10], any complication (RR = 1.03; 95% CI, 0.99-1.07), reoperations (RR = 0.89; 95% CI, 0.56-1.22), or readmissions (RR = 1.01; 95% CI, 0.97-1.05). Medicare payments for the index admission increased following implementation (516 average increase in payments; 95% CI, 210-823 increase), as did readmission payments (564 increase; 95% CI, 89-1040 increase). High-outlier payments (965 increase; 95% CI, 974decrease to 2904 increase) did not change. Conclusions: Implementation of Keystone Surgery in Michigan was not associated with improved outcomes or decreased costs in Medicare patients.

Original languageEnglish (US)
Pages (from-to)87-94
Number of pages8
JournalMedical Care
Volume53
Issue number1
DOIs
StatePublished - Jan 20 2015

Keywords

  • Administrative Data
  • Cost Analysis
  • Effectiveness
  • Observational Studies
  • Outcomes Research
  • Quality Mprovement
  • Surgery

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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