Successful total shift from multiport to single-port laparoscopic surgery in low anterior resection of colorectal cancer
To assess the possibility of using single-port low anterior resection (LAR) in place of conventional laparoscopic LAR.
Though single-port LS is gradually evolving, the application of single-port LS techniques in LAR have been viewed with skepticism due to technical difficulties.
Data from patients who had undergone either conventional laparoscopic LAR (n = 49) or single-port LAR (n = 67) for colorectal cancers between March 2006 and March 2013 were analyzed retrospectively.
In single-port LAR group, oncologic outcomes were satisfactory with respect to attainment of lymph nodes (23.4 ± 15.3) and surgical margins (proximal cut margin: 7.1 ± 4.6 cm, distal cut margin: 7.7 ± 5.7 cm). Single-port LAR showed acceptable clinical outcomes manifested by comparable outcomes of post-operative analgesics requirement and length of hospital stay, and by low incidence of post-operative complications (conventional laparoscopic LAR group: 30.6 % vs. single-port LAR group: 14.9 %; P < 0.01). Operative time was comparable between groups (conventional laparoscopic LAR group: 309 ± 93 min vs. single-port LAR group: 277 ± 106 min; P = 0.097). Throughout a series of 67 consecutive single-port LARs, no conversion to multiport or open surgery was occurred.
This study shows that single-port LAR is both safe and feasible for use in resection of colorectal cancer when performed by surgeons who are trained in conventional laparoscopic technique. If further and more extensive studies support our results, then single-port LAR can be an acceptable alternative to conventional laparoscopic LAR for treatment of colorectal cancer.
KeywordsColorectal neoplasm Laparoscopy Low anterior resection Single-port laparoscopic surgery Total mesorectal excision (TME)
Drs. Say-June Kim, Byung-jo Choi, and Sang Chul Lee have no conflicts of interest or financial ties to disclose.
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