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Colostomy complications in patients with anorectal malformations
Tobias Klein1,2, Gloria Stephany Guarnizo-Diaz3, Alexander Semaan4
1Department of Pediatric and Adolescent Surgery and Pediatric Urology, Children's Hospital of Cologne, Kliniken der Stadt Köln gGmbH, Amsterdamer Straße 59, 50735, Cologne, Germany. 7081.klein@gmail.com.
Insights
Colostomy in children with anorectal malformations (ARM) has high complication rates. Proximal colostomies reduce complications and malposition compared to distal ones, simplifying future corrective surgery.
Area of Science:
- Pediatric Surgery
- Gastroenterology
- Medical Device Technology
Background:
- Anorectal malformations (ARM) frequently necessitate protective colostomy in pediatric patients.
- Optimal colostomy type and placement remain subjects of debate, impacting patient outcomes.
- Limited expertise in ARM management can exacerbate challenges in stoma creation and care.
Purpose of the Study:
- To evaluate the incidence of colostomy malposition and associated complications in children with ARM.
- To compare complication rates and revision needs based on colostomy type and anatomical location.
- To identify factors influencing stoma-related morbidity in pediatric ARM cases.
Main Methods:
- Retrospective review of medical records for 276 children with ARM treated between 2005 and 2019.
- Analysis of stoma complications, including prolapse and maceration, and rates of colostomy revision.
- Comparison of outcomes between proximal versus distal and loop versus split colostomies.
Main Results:
- Overall stoma-related complications occurred in 23.6% of patients, with prolapse (8.3%) and maceration (4.0%) being most frequent.
- Proximal colostomies (20.2%) and loop stomas (21.0%) showed significantly lower complication rates than distal (32.9%) and split stomas (37.2%).
- Distal colostomies required revision for malposition in 39.4% of cases, whereas proximal colostomies did not (p < 0.0001).
Conclusions:
- Colostomy in pediatric ARM patients is linked to a substantial overall complication rate.
- Incorrect distal placement of colostomies complicates subsequent reconstructive surgery.
- Proximal colostomy placement is associated with fewer complications and revisions, improving surgical outcomes.
Purpose:
Anorectal malformations (ARM) are a common reason for protective colostomy in children, but there is no consensus on the best type or location. The objective of this study is to assess the prevalence of colostomy malposition in clinical settings with limited expertise in the management of patients with anorectal malformations, as well as the associated complications of colostomy.
Methods:
Medical records of all children with ARM treated at our hospital between 2005 and 2019 were retrospectively reviewed. The incidence of stoma complications and the rates of colostomy revision during ARM repair were compared by colostomy type and location.
Results:
The study included 276 children. A proximal colostomy was performed in 205 cases (74.3%) and a distal colostomy in 71 cases (25.7%). Loop colostomies were done in 233 patients (84.4%), while split colostomies were done in 43 (15.6%). Stoma-related complications occurred in 65 patients (23.6%), with prolapse (8.3%) and maceration (4.0%) being the most common. Complications were significantly lower with proximal colostomies (20.2% vs. 32.9%, p = 0.036) and loop stomas (21.0% vs. 37.2%, p = 0.030). Stoma revision due to malposition was needed in 39.4% of patients with distal colostomies, but none with proximal colostomies (p < 0.0001).
Conclusions:
Colostomy in children with ARM is associated with a high overall complication rate. In particular, many distal colostomies are incorrectly placed too distally, which complicates subsequent corrective surgery.
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