Clinical and Economic Outcomes of Enhanced Recovery Dissemination in Michigan Hospitals.

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To evaluate real-world effects of enhanced recovery protocol (ERP) dissemination on clinical and economic outcomes after colectomy.Hospitals aiming to accelerate discharge and reduce spending after surgery are increasingly adopting perioperative ERPs. Despite their efficacy in specialty institutions, most studies have lacked adequate control groups and diverse hospital settings and have considered only in-hospital costs. There remain concerns that accelerated discharge might incur unintended consequences.Retrospective, population-based cohort including patients in 72 hospitals in the Michigan Surgical Quality Collaborative clinical registry (N=13,611) and/or Michigan Value Collaborative claims registry (N=14,800) who underwent elective colectomy, 2012-2018. Marginal effects of ERP on clinical outcomes and risk-adjusted, price-standardized 90-day episode payments were evaluated using mixed-effects models to account for secular trends and hospital performance unrelated to ERP.In 24 ERP hospitals, patients Post-ERP had significantly shorter length of stay than those Pre-ERP (5.1 vs. 6.5 days, p<0.001), lower incidence of complications (14.6% vs. 16.9%, p<0.001) and readmissions (10.4% vs. 11.3%, p=0.02), and lower episode payments ($28,550 vs. $31,192, p<0.001) and post-acute care ($3,384 vs. $3,909, p<0.001). In mixed-effects adjusted analyses, these effects were significantly attenuated-ERP was associated with a marginal length of stay reduction of 0.4 days (95% confidence interval 0.2-0.6 days, p=0.001), and no significant difference in complications, readmissions, or overall spending.ERPs are associated with small reduction in postoperative length of hospitalization after colectomy, without unwanted increases in readmission or post-acute care spending. The real-world effects across a variety of hospitals may be smaller than observed in early-adopting specialty centers.

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