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Updated: Feb 11, 2026

Surgical Management of Meatal Stenosis with Meatoplasty
Published on: November 30, 2010
[Surgical treatment of pyloric stenosis]
Insights
Infantile pyloric stenosis surgery is highly effective, with ultrasound diagnostics confirming 96% of cases. Pyloromyotomy provided a cure for all patients, demonstrating a safe and successful treatment for this common infant condition.
Area of Science:
- Pediatric Surgery
- Infant Health
- Surgical Diagnostics
Background:
- Pyloric stenosis is a frequent surgical diagnosis in infants.
- Understanding its diagnostics and surgical outcomes is crucial for pediatric care.
Purpose of the Study:
- To evaluate the diagnostic accuracy and surgical treatment outcomes for infantile pyloric stenosis.
- To analyze complications associated with pyloromyotomy.
Main Methods:
- Retrospective review of 140 infant patient records (2004-2016).
- Analysis of preoperative data, diagnostic methods (ultrasound), surgical procedures, and postoperative outcomes.
- Classification of complications using the Clavien-Dindo system.
Main Results:
- Ultrasound demonstrated 96% sensitivity in diagnosing pyloric stenosis.
- Pyloromyotomy was curative in all 140 patients.
- 16% of patients experienced complications, with 4 serious (Clavien-Dindo grade IIIb/IVa) but no sequelae.
Conclusions:
- Ultrasound is a highly sensitive diagnostic tool for infantile pyloric stenosis.
- Pyloromyotomy is a safe and effective curative treatment with a low rate of serious complications.
Background:
Pyloric stenosis is one of the most common surgical conditions in infants. This study aims to investigate diagnostics and results of surgical treatment for pyloric stenosis at Oslo University Hospital Ullevål.
Material And Method:
A retrospective review of patient records for those undergoing surgery for pyloric stenosis in the period 2004-2016 was conducted. Preoperative symptoms and findings, diagnostics, treatment and postoperative results were recorded. Postoperative complications were classified according to the Clavien-Dindo classification.
Results:
We identified 140 patients, 123 boys and 17 girls. The sensitivity for ultrasound examination at Oslo University Hospital was 96 % (135/140). Pyloromyotomy was curative in all the patients. A total of 12 perioperative and 12 postoperative complications were determined in 22 patients (16 %). There were four serious postoperative complications (grade IIIb and grade IVa), none of which caused sequelae. Mucosal perforation occurred in two patients and was diagnosed and sutured postoperatively. Postoperative wound infection occurred in seven patients.
Interpretation:
The diagnosis of pyloric stenosis was confirmed by ultrasound examination in 96 % of the patients who underwent surgery for pyloric stenosis. Pyloromyotomy was curative in all the patients and there were few serious complications.
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