Wound Dehiscence after Posterior Sagittal Anorectoplasty in Children with Anorectal Malformations

Louise Tofft, Martin Salö, Einar Arnbjörnsson, Pernilla Stenström, Louise Tofft, Martin Salö, Einar Arnbjörnsson, Pernilla Stenström

Abstract

Aim of the study: To assess the frequency of and identify contributing factors to wound dehiscence after posterior sagittal anorectoplasty (PSARP) in children born with anorectal malformations (ARM).

Methods: Ethical approval was obtained (DNR 2017/191). Charts of all children with anorectal malformations (ARM) reconstructed with PSARP, limited PSARP, or PSARVUP at a tertiary centre of paediatric surgery between 2001 and 2016 were reviewed. Wound dehiscence within 30 days postoperatively was analysed regarding gender, prematurity, birth weight, type of ARM, other congenital malformations, single- or multistaged reconstruction, age and weight at reconstruction, postoperative antibiotics, and fasting. Multiple regression analysis was performed for risk factors in single-stage PSARP or limited PSARP, presented as odds ratio (OR) with 95% confidence interval (CI).

Main results: Ninety patients were included, of which 53 (59%) were males. Single-staged PSARP was performed in 40 (44%) patients and 50 (56%) had a multistaged reconstruction with a colostomy. Wound dehiscence was significantly more common among patients without a colostomy; 17 (43%) vs. 11 (22%) (p=0.043). In patients with single-stage PSARP, no single factor was identified to increase the risk for wound dehiscence: cardiac malformations (OR 3.73) (95% CI 0.78-17.88), low weight at surgery (OR 1.56) (95% CI 0.36-6.99), antibiotics < 1 day (OR 1.6) (95% CI 0.43-5.94), or short fasting 0-3 days (OR 4.44) (95% CI 0.47-42.18).

Conclusions: A divided colostomy protected against wound dehiscence after PSARP. No risk factor for wound dehiscence after single-staged PSARP was identified. Further studies are needed to establish contributing factors to uncomplicated wound healing after PSARP.

Figures

Figure 1
Figure 1
Fallout chart of reviewed medical charts of patients with ARM at a tertiary centre of paediatric surgery 2001-2016.

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Source: PubMed

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