期刊
JOURNAL OF SURGICAL ONCOLOGY
卷 122, 期 4, 页码 739-744出版社
WILEY
DOI: 10.1002/jso.26058
关键词
NCDB; pelvic exenteration; T4b rectal cancer
Background and Objectives Studies reporting outcomes after pelvic exenteration for rectal cancer are limited. The objective of this study was to evaluate early postoperative and oncologic outcomes in a national multi-institutional cohort. Methods Using the National Cancer Database (NCDB), which collects data from over 1500 commission on cancer (CoC)-accredited hospitals, we analyzed patients undergoing pelvic exenteration for T4b rectal adenocarcinoma. Results There were 1367 pelvic exenterations performed in 552 hospitals. Median age was 60 years, the majority of patients (n = 831; 60.8%) were female. Neoadjuvant radiation was used only in 57%; 24.3% of resections had positive margins. Following exenteration, 30-day mortality rate, 90-day mortality rate, and readmission rates were: 1.8%, 4.4%, and 7.4%. Age >= 60 years and higher Charlson-Deyo comorbidity index were independently associated with increased 90-day mortality (P < .001). Overall survival (OS) was 50 months. After adjustment of significant covariates, negative margin status (adjusted HR, 0.6, 95% CI, 0.5-0.8; P < .001) and receipt of perioperative radiation or chemoradiation (adjusted HR, 0.5; 95% CI, 0.4-0.6; P < .001) were significantly associated with decreased risk of death. Only 71% of the patients received perioperative radiation. Conclusions Pelvic exenterations are being performed safely in Coc-accredited hospitals. However, up to one fourth of patients undergo resections with positive margins or are subject to underutilization of perioperative radiation therapy. Increased use of radiation may increase negative margin resections and improve patient outcomes.
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