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National Accreditation Program for Breast Centers Demonstrates Improved Compliance with Post-Mastectomy Radiation
Elizabeth R Berger1, Chihsiung E Wang2, Cary S Kaufman3
1Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL; Department of Surgery, Loyola University Chicago, Stritch School of Medicine, Maywood, IL.
Background:
The National Accreditation Program for Breast Centers (NAPBC) was established in 2008 by the American College of Surgeons as a quality-improvement program for patients with breast disease. An NAPBC quality measure states post-mastectomy patients with ≥4 positive lymph nodes should receive lymph node radiation therapy (PMRT). Our objective was to examine how NAPBC accreditation has affected compliance with this quality measure.
Study Design:
Women who underwent mastectomy at either an NAPBC-accredited center or a Commission on Cancer-only accredited hospital were identified (2006 to 2013) in the National Cancer Data Base. The NAPBC centers accredited from 2009 to 2011 were included in the analysis. Patients were nested within centers using a mixed effects model to identify PMRT rates at each center before and after accreditation, adjusting for patient and tumor characteristics.
Results:
Of 34,752 patients from 477 NAPBC-accredited centers and 958 Commission on Cancer-only accredited hospitals who underwent mastectomy with ≥4 positive lymph nodes, 21,638 patients received PMRT during the study period (62.3%). The NAPBC centers yielded a significantly higher rate of PMRT than Commission on Cancer hospitals (66.0% vs 59.2%; p < 0.001). For each year of accreditation (2009 to 2011), centers had significantly higher rates of radiation in the accreditation year compared with the year before accreditation (p < 0.001). Within those centers, the rate of radiation increased post-accreditation in each accreditation year (2009: 62.1% to 71.9%; 2010: 65.5% to 73.2%; 2011: 67.5% to 70.4%).
Conclusions:
The NAPBC accreditation is associated with higher PMRT rates and better adherence to the PMRT quality measure. Future studies with more centers and longer follow-up are needed to determine whether this trend continues.
