Annals of surgical oncology · 2015
Risk Factors for Anastomotic Leakage After Intersphincteric Resection Without a Protective Defunctioning Stoma for Lower Rectal Cancer.
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Koyama Motoi, Murata Akihiko, Sakamoto Yoshiyuki, Morohashi Hajime, Hasebe Tatsuya, Saito Takeshi, Hakamada Kenichi
Аннотация
BACKGROUND: Intersphincteric resection (ISR) is performed as an alternative to abdominoperineal resection for super-low rectal cancer. The purpose of this study was to evaluate risk factors for anastomotic leakage (AL) after ISR without a defunctioning stoma for lower rectal cancer.
METHODS: Between 1995 and 2012, 135 consecutive patients with lower rectal cancer underwent curative ISR without a protective defunctioning stoma. Univariate and multivariate analyses were performed to determine the risk factors for AL.
RESULTS: The radiological and symptomatic AL rate was 17.0 % (23/135). Univariate analysis demonstrated that male sex (P = 0.030), preoperative chemotherapy (P = 0.016), partial ISR (P < 0.001), lateral lymph-node dissection (P = 0.042), distal tumor distance from the dentate line (P = 0.007), and straight reconstruction (P < 0.001) were significantly associated with AL. Severe AL requiring re-laparotomy developed in 13 (9.6 %) patients. Univariate analysis demonstrated that male sex (P = 0.006), partial ISR (P < 0.001), distal tumor distance from the dentate line (P = 0.002), and straight reconstruction (P < 0.001) were significantly associated with AL requiring relaparotomy. Multivariate analysis demonstrated that partial ISR [odds ratio (OR) 6.701; P = 0.001] and straight reconstruction (OR 5.552; P = 0.002) were independently predictive of AL.
CONCLUSIONS: Partial ISR and straight reconstruction increased the risk of AL after ISR without a protective defunctioning stoma. A defunctioning stoma might be mandatory in patients with the risk factors identified in this analysis.
METHODS: Between 1995 and 2012, 135 consecutive patients with lower rectal cancer underwent curative ISR without a protective defunctioning stoma. Univariate and multivariate analyses were performed to determine the risk factors for AL.
RESULTS: The radiological and symptomatic AL rate was 17.0 % (23/135). Univariate analysis demonstrated that male sex (P = 0.030), preoperative chemotherapy (P = 0.016), partial ISR (P < 0.001), lateral lymph-node dissection (P = 0.042), distal tumor distance from the dentate line (P = 0.007), and straight reconstruction (P < 0.001) were significantly associated with AL. Severe AL requiring re-laparotomy developed in 13 (9.6 %) patients. Univariate analysis demonstrated that male sex (P = 0.006), partial ISR (P < 0.001), distal tumor distance from the dentate line (P = 0.002), and straight reconstruction (P < 0.001) were significantly associated with AL requiring relaparotomy. Multivariate analysis demonstrated that partial ISR [odds ratio (OR) 6.701; P = 0.001] and straight reconstruction (OR 5.552; P = 0.002) were independently predictive of AL.
CONCLUSIONS: Partial ISR and straight reconstruction increased the risk of AL after ISR without a protective defunctioning stoma. A defunctioning stoma might be mandatory in patients with the risk factors identified in this analysis.