Introduction of surgical safety checklists in Ontario, Canada.

N Engl J Med 2014 Mar;370(11):1029-38

From the Institute for Clinical Evaluative Sciences (D.R.U., A.G., R.S., A.S.W., N.N.B.), the Department of Surgery (D.R.U., A.G., N.N.B.) and Institute of Health Policy, Management and Evaluation (D.R.U., N.N.B.), University of Toronto, the University Health Network (D.R.U.), Mount Sinai Hospital (A.G.), and Keenan Research Centre, Li Ka Shing Knowledge Institute, Department of Surgery, St. Michael's Hospital (N.N.B.) - all in Toronto.

Background: Evidence from observational studies that the use of surgical safety checklists results in striking improvements in surgical outcomes led to the rapid adoption of such checklists worldwide. However, the effect of mandatory adoption of surgical safety checklists is unclear. A policy encouraging the universal adoption of checklists by hospitals in Ontario, Canada, provided a natural experiment to assess the effectiveness of checklists in typical practice settings.

Methods: We surveyed all acute care hospitals in Ontario to determine when surgical safety checklists were adopted. Using administrative health data, we compared operative mortality, rate of surgical complications, length of hospital stay, and rates of hospital readmission and emergency department visits within 30 days after discharge among patients undergoing a variety of surgical procedures before and after adoption of a checklist.

Results: During 3-month periods before and after adoption of a surgical safety checklist, a total of 101 hospitals performed 109,341 and 106,370 procedures, respectively. The adjusted risk of death during a hospital stay or within 30 days after surgery was 0.71% (95% confidence interval [CI], 0.66 to 0.76) before implementation of a surgical checklist and 0.65% (95% CI, 0.60 to 0.70) afterward (odds ratio, 0.91; 95% CI, 0.80 to 1.03; P=0.13). The adjusted risk of surgical complications was 3.86% (95% CI, 3.76 to 3.96) before implementation and 3.82% (95% CI, 3.71 to 3.92) afterward (odds ratio, 0.97; 95% CI, 0.90 to 1.03; P=0.29).

Conclusions: Implementation of surgical safety checklists in Ontario, Canada, was not associated with significant reductions in operative mortality or complications. (Funded by the Canadian Institutes of Health Research.).

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Source
http://dx.doi.org/10.1056/NEJMsa1308261DOI Listing
March 2014
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