Effect of Preoperative Colonic Drainage for Obstructing Colorectal Cancer

Obstructing colorectal cancer (OCRC) is believed to indicate poorer long-term survival. The purpose of this study was to compare retrospectively perioperative safety and long-term results in patients undergoing surgery for OCRC following preoperative colonic decompression with that in those undergoi...

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Bibliographic Details
Published in:International surgery 2015-05, Vol.100 (5), p.790-796
Main Authors: Kochi, Mitsugu, Fujii, Masashi, Hagiwara, Ken, Tamegai, Hidenori, Watanabe, Megumu, Matsuno, Yoritaka, Takayama, Yuriko, Suda, Hiroshi, Takayama, Tadatoshi
Format: Article
Language:English
Subjects:
Colorectal Surgery
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Summary:Obstructing colorectal cancer (OCRC) is believed to indicate poorer long-term survival. The purpose of this study was to compare retrospectively perioperative safety and long-term results in patients undergoing surgery for OCRC following preoperative colonic decompression with that in those undergoing elective surgery alone for nonobstructing colorectal cancer (CRC). A total of 656 consecutive CRC patients undergoing colectomy between 2001 and 2011 at our institute were eligible for inclusion in the study. The patients were divided into an OCRC group, which included 104 patients undergoing colectomy with preoperative colonic decompression, and a CRC group, which included 552 patients undergoing colectomy alone. Morbidity, mortality, and prognosis were assessed. In the OCRC group, decompression was performed by nasointestinal tube in 42 patients (40.4%), transanal tube in 15 (14.4%), and colostomy in 47 (45.2%). The mortality rate was 0% in the OCRC group and 0.4% in the CRC group (2 of 552 patients). The morbidity rate was 44.8% in the OCRC group (48 of 104 patients) and 36.6% in the CRC group (202 of 552 patients). The 5-year overall survival rate was 69.5% in the OCRC group and 72.9% in the CRC group [hazard ratio 0.76; 95% confidence interval, 0.35 to 1.16; P = 0.48)]. No statistically significant difference in survival was observed between the 2 groups in stage II, III, or IV, or overall. No difference was observed in safety or survival between advanced OCRC patients undergoing preoperative colonic decompression and advanced non-obstructing CRC patients undergoing surgery alone.
ISSN:0020-8868
2520-2456
DOI:10.9738/INTSURG-D-14-00262.1