Laparoscopic pyloromyotomy for infantile hypertrophic pyloric stenosis: report of 11 cases
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Updated: Oct 2, 2026

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Published on: August 11, 2023
K L Greason1, W R Thompson, E C Downey
1Department of General Surgery, Naval Medical Center, San Diego, CA 92134-5000, USA.
Insights
Laparoscopic pyloromyotomy is a safe and effective alternative to open surgery for infantile hypertrophic pyloric stenosis, offering comparable outcomes with better cosmetic results.
Area of Science:
- Pediatric Surgery
- Minimally Invasive Surgery
Background:
- Infantile hypertrophic pyloric stenosis (IHPS) is a common condition in infants.
- Open pyloromyotomy is the established surgical treatment for IHPS.
Purpose of the Study:
- To evaluate the safety and efficacy of laparoscopic pyloromyotomy.
- To compare laparoscopic pyloromyotomy with the traditional open approach.
Main Methods:
- Retrospective comparison of clinical outcomes.
- 11 infants underwent laparoscopic pyloromyotomy.
- 14 infants underwent open pyloromyotomy.
Main Results:
- Average surgical time was similar: 25.4 minutes (laparoscopic) vs. 26.1 minutes (open).
- Time to full feedings was comparable: 19.0 hours (laparoscopic) vs. 23.2 hours (open).
- Laparoscopic pyloromyotomy demonstrated superior cosmetic outcomes.
Conclusions:
- Laparoscopic pyloromyotomy is as safe and effective as open pyloromyotomy for IHPS.
- The laparoscopic approach offers improved cosmetic results.
- Laparoscopic pyloromyotomy is a viable alternative for IHPS management.
Abstract:
Pyloromyotomy remains the standard of care for the treatment of infantile hypertrophic pyloric stenosis. Open pyloromyotomy is effective and is the gold-standard technique. The authors report on the techniques of laparoscopic pyloromyotomy. The clinical courses of the first 11 infants treated with laparoscopic pyloromyotomy we with the courses of 14 infants treated recently with open pyloromyotomy. The average surgical time for the laparoscopic group was 25.4 minutes. The average time (postoperatively) until full feedings was 19.0 hours. In the open pyloromyotomy group the average surgical time was 26.1 minutes, and the time until full feedings was 23.2 hours. These results are not significantly different. When compared with open pyloromyotomy, the laparoscopic approach appears to be equally safe and effective, with superior cosmetic results. The authors believe that laparoscopic pyloromyotomy is an excellent alternative procedure for the management of hypertrophic pyloric stenosis.
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