Surgical endoscopy · 2014
Completely abdominal intersphincteric resection for lower rectal cancer: feasibility and comparison of robot-assisted and open surgery.
Сравнительное исследованиеСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Kim Jin C, Lim Seok-B, Yoon Yong S, Park In J, Kim Chan W, Kim Chang N
Аннотация
BACKGROUND: Most previous studies of intersphincteric resection (ISR) adopted a two-stage procedure involving abdominal and transanal approaches. We performed completely abdominal ISR via open and a robot-assisted (RA) approaches as treatments for lower rectal cancer (LRC). The RA approach might enable deep dissection and facilitate ISR in patients with restrictive pelvic anatomy.
METHODS: A consecutive cohort of 222 LRC patients who underwent completely abdominal ISR (RA ISR, n = 108; open ISR, n = 114) was enrolled prospectively, and their short-term outcomes were evaluated.
RESULTS: In a multivariate analysis, ISR was performed more frequently in the RA than in the open group (82.6 vs. 67.9 %, p = 0.008). The number of harvested lymph nodes was >12 in both groups. A positive distal resection margin was not observed in either group, and a positive circumferential resection margin was found in one patient in the RA group. Overall morbidity did not differ between the groups. Moderate to severe sexual dysfunction occurred 2.7-fold more frequently in the open group (p = 0.023) among male patients ≤65 years. Mean Wexner's fecal incontinence scores at postoperative months 6 and 12 were greater in the open group than in the RA group (p < 0.05).
CONCLUSIONS: Completely abdominal ISR may be feasible in the treatment of LRC, based on a short-term study. Furthermore, RA ISR had equivalent oncological outcomes and slightly improved functional recovery relative to open ISR.
METHODS: A consecutive cohort of 222 LRC patients who underwent completely abdominal ISR (RA ISR, n = 108; open ISR, n = 114) was enrolled prospectively, and their short-term outcomes were evaluated.
RESULTS: In a multivariate analysis, ISR was performed more frequently in the RA than in the open group (82.6 vs. 67.9 %, p = 0.008). The number of harvested lymph nodes was >12 in both groups. A positive distal resection margin was not observed in either group, and a positive circumferential resection margin was found in one patient in the RA group. Overall morbidity did not differ between the groups. Moderate to severe sexual dysfunction occurred 2.7-fold more frequently in the open group (p = 0.023) among male patients ≤65 years. Mean Wexner's fecal incontinence scores at postoperative months 6 and 12 were greater in the open group than in the RA group (p < 0.05).
CONCLUSIONS: Completely abdominal ISR may be feasible in the treatment of LRC, based on a short-term study. Furthermore, RA ISR had equivalent oncological outcomes and slightly improved functional recovery relative to open ISR.