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Meta-Analysis
. 2023 Aug 18;408(1):322.
doi: 10.1007/s00423-023-03058-1.

Clinical efficacy of anastomotic reinforcement suture in preventing anastomotic leakage after rectal cancer surgery: a systematic review and meta-analysis

Tao Zhang  1 , Gang Wang  1 , Guida Fang  1 , Lei Qiu  1 , Feng Lu  1 , Kaihong Yin  2 , Yongchang Miao  3
Affiliations
Meta-Analysis

Clinical efficacy of anastomotic reinforcement suture in preventing anastomotic leakage after rectal cancer surgery: a systematic review and meta-analysis

Tao Zhang et al. Langenbecks Arch Surg. .

Abstract

Purpose: Anastomotic leakage (AL) is a common postoperative complication of rectal cancer, with an incidence of about 10%, and the efficacy of reinforced sutures for preventing AL remains contentious. This study investigated the safety and effectiveness of reinforcement sutures for preventing AL after rectal cancer surgery.

Methods: The present authors conducted a systematic search in the PubMed, Embase, Cochrane Library, Sinomed, Web of Science, Wanfang, VIP, and CNKI databases for randomized controlled trials (RCTs) and nonrandomized studies up to June 2023. We performed a meta-analysis to evaluate the efficacy of anastomotic reinforcement sutures after rectal cancer surgery. The primary outcome measures were AL, anastomotic bleeding, and infection rates.

Results: Eleven articles (1921 subjects) were analyzed, with 912 and 1009 cases in the reinforced and unreinforced suture groups, respectively. The reinforced suture group showed a lower AL incidence (odds ratio [OR]=0.25, 95% CI 0.17-0.37, P< 0.00001), lower infection rate (OR=0.41, 95%CI 0.19-0.89, P<0.05), shorter hospital stay (mean difference [MD]=-0.57, 95%CI -1.15-0.00, P≤0.05), and earlier anal exhaust (MD=-0.12, 95%CI -0.23-0.00, P<0.05). However, the operative time (MD=18.25, 95% CI 12.20-24.30, P<0.00001) was longer for reinforced sutures than for unreinforced sutures. There were no significant differences between the suture techniques in intraoperative blood loss MD=2.74, 95% CI -4.50-9.97, P>0.05), incidence of anastomotic bleeding (OR=0.49, 95%CI 0.12-1.97, P>0.05), and incidence of intestinal obstruction (OR=0.65, 95%CI 0.27-1.61, P>0.05).

Conclusion: Existing articles indicate that anastomotic reinforcement sutures can significantly reduce AL incidence. However, this conclusion still requires confirmation based on multicentre, high-quality RCTs with large sample sizes.

Keywords: Anastomotic leak; Meta-analysis; Rectal cancer; Reinforcing suture.

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References

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