• Calista M Harbaugh, Nicholas J Kunnath, Pasithorn A Suwanabol, Justin B Dimick, Samantha K Hendren, and Andrew M Ibrahim.
• Department of Surgery, University of Michigan, Ann Arbor, MI.
• J. Am. Coll. Surg. 2024 Mar 28.

BackgroundThe National Accreditation Program for Rectal Cancer (NAPRC) defined a set of standards in 2017 centered on multidisciplinary program structure, evidence-based care processes, and internal audit to address widely variable rectal cancer practices and outcomes across U.S. hospitals. There have been no studies to-date testing the association between NAPRC accreditation and rectal cancer outcomes.Study DesignThis was a retrospective, observational study of Medicare beneficiaries aged 65-99 years with rectal cancer who underwent proctectomy from 2017-2020. The primary exposure was NAPRC accreditation and the primary outcomes included mortality (in-hospital, 30-day, 1-year) and 30-day complications, readmissions, and reoperations. Associations between NAPRC accreditation and each outcome were tested using multivariable logistic regression with risk-adjustment for patient and hospital characteristics.ResultsAmong 1,985 hospitals, 65 were NAPRC accredited (3.3%). Accredited hospitals were more likely to be nonprofit and teaching with ≥ 250 beds. Among 20,202 patients, 2,078 patients (10%) underwent proctectomy at an accredited hospital. Patients at accredited hospitals were more likely to have an elective procedure with a minimally invasive approach and sphincter preservation. Risk-adjusted in-hospital mortality (1.1% vs. 1.3%; p=0.002), 30-day mortality (2.1% vs. 2.9%; p<0.001), 30-day complication (18.3% vs. 19.4%; p=0.01), and 1-year mortality rates (11.0% vs. 12.1%; p<0.001) were significantly lower at accredited compared to non-accredited hospitals.ConclusionsNAPRC accredited hospitals have lower risk-adjusted morbidity and mortality for major rectal cancer surgery. Although NAPRC standards address variability in practice, without directly addressing surgical safety, our findings suggest that NAPRC accredited hospitals may provide higher quality surgical care.Copyright © 2024 by the American College of Surgeons. Published by Wolters Kluwer Health, Inc. All rights reserved.

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