Journal
CANADIAN JOURNAL OF SURGERY
Volume 63, Issue 6, Pages E542-E550Publisher
CMA-CANADIAN MEDICAL ASSOC
DOI: 10.1503/cjs.006720
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Funding
- Alberta Health Services
- Alberta Innovates
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Background Enhanced Recovery After Surgery (ERAS) is a global surgical quality-improvement initiative. Little is known about the economic effects of implementing multiple ERAS guidelines in both the short and long term. Methods We performed a return on investment (ROI) analysis of the implementation of multiple ERAS guidelines (for colorectal, pancreas, cystectomy, liver and gynecologic oncology procedures) across multiple sites (9 hospitals) in Alberta using 30-, 180- and 365-day time horizons. The effects of ERAS on health services utilization (length of stay of the primary admission, number of readmissions, length of stay of the readmissions, number of emergency department visits, number of outpatient clinic visits, number of specialist visits and number of general practitioner visits) were assessed by mixed-effect multilevel multivariate negative binomial regressions. Net benefits and ROI were estimated by a decision analytic modelling analysis. All costs were reported in 2019 Canadian dollars. Results The net health system savings per patient ranged from $26.35 to $3606.44 and ROI ranged from 1.05 to 7.31, meaning that every dollar invested in ERAS bro-brought $1.05 to $7.31 in return. Probabilities for ERAS to be cost-saving were from 86.5% to 99.9%. The effects of ERAS were found to be larger in the longer time horizons, indicating that if only the 30-day time horizon had been used, the benefits of ERAS would have been underestimated. Conclusion These results demonstrated that ERAS multiguideline implementation was cost-saving in Alberta. To produce a better ROI, it is important to consider a broad range of health service utilizations, long-term impact, economies of scale, productive efficiency and allocative efficiency for sustainability, scale and spread of ERAS implementations.
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