Metronidazole is a cheap, safe and effective intervention for reducing postoperative pain following conventional haemorrhoidectomy.

Introduction Parastomal hernia (PSH) is a common problem following stoma formation. The optimal technique for stoma formation is unknown although recent studies have focused on whether placement of prophylactic mesh at stoma formation can reduce PSH rates. The aim of this study was to systematically review use of prophylactic mesh versus no mesh with regard to occurrence of PSH and peristomal complications. Methods A systematic search was performed using PubMed, Embase™ and the Cochrane Library to identify randomised controlled trials that analysed placement of prophylactic mesh versus no mesh at time of initial surgery. Meta-analysis was performed using random effects methods. Results A total of 506 studies were identified by our search strategy. Of these, 8 studies were included, involving 430 patients (217 mesh vs 213 no mesh). Prophylactic mesh placement resulted in a significantly lower rate of PSH formation (42/217 [19.4%] vs 92/213 [43.2%]) with a combined risk ratio of 0.40 (95% confidence interval [CI]: 0.21-0.75, p=0.004). Placement of prophylactic mesh did not result in increased peristomal complications (15/218 [6.9%] vs 16/227 [7.0%]) with a combined risk ratio of 1.0 (95% CI: 0.49-2.01, p=0.990). Conclusions Prophylactic placement of mesh at primary stoma formation may reduce the incidence of PSH, without an increase in peristomal complications. However, the overall quality of the randomised controlled trials included in the meta-analysis was poor, and should prompt caution regarding the applicability of the findings of the individual studies and the meta-analysis to everyday practice.

Despite the high symptomatic recurrence rate after stapled haemorrhoidopexy, 89% of patients were satisfied. This suggests that recurrent or residual symptoms after stapled haemorrhoidopexy are often less severe compared to the initial presenting symptoms.

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