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Diseases of the Colon & Rectum:
doi: 10.1097/DCR.0000000000000026
Original Contributions: Colorectal/Anal Neoplasia

Multicenter Study of Outcome in Relation to the Type of Resection in Rectal Cancer

Ortiz, Hector M.D., Ph.D.1; Wibe, Arne M.D., Ph.D.2,3; Ciga, Miguel Angel M.D.4; Kreisler, Esther M.D., Ph.D.5; Garcia-Granero, Eduardo M.D., Ph.D.6; Roig, Jose Vicente M.D., Ph.D.7; Biondo, Sebastiano M.D., Ph.D.5; on behalf of the Spanish Rectal Cancer Project

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Abstract

BACKGROUND: A surgical teaching and auditing program has been implemented to improve the results of treatment for patients with rectal cancer.

OBJECTIVE: The aim of this study was to assess the treatment and outcome in patients resected for rectal cancer, focusing on differences relating to the type of resection.

DESIGN: This was an observational study.

SETTINGS: The study took place throughout the network of hospitals that compose the National Health Service in Spain.

PATIENTS: This study included a consecutive cohort of 3355 patients from the Spanish Rectal Cancer Project. The data of patients who were operated on electively, with curative intent, by anterior resection (n = 2333 [69.5%]), abdominoperineal excision (n = 774 [23.1%]), and Hartmann procedure (n = 248 [7.4%]) between March 2006 and May 2010 were analyzed.

MAIN OUTCOME MEASURES: Clinical, pathologic, and outcome results were analyzed in relation to the type of surgery performed.

RESULTS: After a median follow-up time of 37 months (interquartile range, 30–48 months), bowel perforations were found to be more common in the Hartmann procedure (12.6%) and abdominoperineal groups (10.1%) than in the anterior resection group (2.3%; p < 0.001). Involvement of the circumferential resection margin was also more common in the Hartmann (16.6%) and abdominoperineal groups (14.3%) than in the anterior resection group (6.6%; p < 0.001). Multivariate analysis showed a negative influence on local recurrence, metastasis, survival for advanced stage, intraoperative perforation, invaded circumferential margin, and Hartmann procedure. However, abdominoperineal excision did not significantly influence local recurrence (HR, 0.945; 95% CI, 0.571–1.563; p = 0.825).

LIMITATIONS: The main weakness of this study was the voluntary nature of registration in the Spanish Rectal Cancer Project.

CONCLUSIONS: Although bowel perforation and involvement of the circumferential resection margin were more common after abdominoperineal excision than after anterior resection, this study did not identify abdominoperineal excision as a determinant of local recurrence in the context of 3 years of median follow-up.

© 2014 The American Society of Colon and Rectal Surgeons

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