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Risk Factors for Compromised Surgical Resection: A Nationwide Propensity Score-Matched Study on Laparoscopic and Open Resection for Colonic Cancer

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BACKGROUND: High-quality surgical resection of colonic cancer, including dissection along the embryologic mesocolic plane, translates into improved long-term oncological outcomes.

OBJECTIVE: This study aimed to identify risk factors for compromised specimen quality and to evaluate the specimen quality of patients undergoing laparoscopic and open resection for colonic cancer.

DESIGN: This is a retrospective observational study.

SETTINGS: This database study is based on the prospective national Danish Colorectal Cancer Database including patients undergoing intended curative elective colonic cancer surgery from January 1, 2010 through December 2013.

PATIENTS: A total of 5143 patients (1602 open resections; 3541 laparoscopic resections) with colonic cancer were included.

MAIN OUTCOME MEASURES: Risk factors for poor resection quality were identified through uni- and multivariate logistic regression analysis. The surgical approach was assessed by propensity score-matched regression analysis. Poor resection quality was defined as resections in the muscularis plane accompanied by R0 resection, or resections in any resection plane accompanied by R1 resection.

RESULTS: Overall, 4415 (85.8%) of the resections were considered good and 728 (14.2%) were considered poor. After multivariate analysis, neoadjuvant oncological treatment, advanced tumor stage (T3-4), advancing N stage (N1-2), open tumor perforation, and open surgery significantly increased the risk of poor resection quality. In a propensity score-matched sample (n = 1508 matched pairs), matched for age, sex, ASA score, BMI, neoadjuvant treatment, tumor stage, and tumor location, open resection was still associated with a higher risk of poor resection quality compared with laparoscopic resection (OR, 1.4; 95% CI, 1.1-1.8; p = 0.002).

LIMITATIONS: Retrospective design was a limitation of this study.

CONCLUSIONS: In this nationwide propensity score-matched database study, laparoscopic resection was associated with a higher probability of good resection quality compared with open resection for colonic cancer. Risk factors for compromised specimen quality were neoadjuvant oncological treatment, locally advanced tumor stage (T3-4), advanced N stage (N1-2), open tumor perforation, and open surgery. See Video Abstract at http://links.lww.com/DCR/A830.

OriginalsprogEngelsk
TidsskriftDiseases of the Colon and Rectum
Vol/bind62
Udgave nummer4
Sider (fra-til)438-446
Antal sider9
ISSN0012-3706
DOI
StatusUdgivet - apr. 2019

ID: 59290113