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Long-term investigations after pyloromyotomy for infantile pyloric stenosis
K H Dietl1, U Borowski, J Menzel
1Klinik und Poliklinik für Allgemeine Chirurgie der WWU Münster, Germany.
Insights
Long-term follow-up of Ramstedt pyloromyotomy for infantile hypertrophic pyloric stenosis shows excellent outcomes. Most patients remained symptom-free decades after surgery, with no reported pyloric carcinoma development.
Area of Science:
- Pediatric Surgery
- Gastroenterology
- Surgical History
Background:
- Infantile hypertrophic pyloric stenosis (IHPS) is a common surgical condition in infants.
- The Ramstedt extramucosal pyloromyotomy has been a standard treatment for IHPS since the early 20th century.
- Long-term outcomes and potential late complications of this procedure are important for clinical understanding.
Purpose of the Study:
- To evaluate the long-term outcomes of Ramstedt extramucosal pyloromyotomy performed between 1919 and 1941.
- To assess the incidence of late complications, including gastrointestinal issues and oncological outcomes, in a cohort of patients operated on for IHPS.
Main Methods:
- Retrospective review of 41 patients who underwent Ramstedt pyloromyotomy for IHPS.
- Follow-up assessment of long-term survivors, including clinical evaluation and review of medical history.
- Analysis of complications such as Billroth II resection, anastomotic ulcers, gastritis, esophagitis, and maldigestion.
Main Results:
- Of 41 identified patients, 31 were long-term survivors.
- Four long-term survivors underwent subsequent Billroth II resection, one for an anastomotic ulcer.
- No long-term survivors developed carcinoma; most patients were symptom-free, with few experiencing gastritis, esophagitis, or maldigestion.
Conclusions:
- Ramstedt extramucosal pyloromyotomy offers excellent long-term results for infantile hypertrophic pyloric stenosis.
- Late complications are infrequent, and the procedure does not appear to increase the risk of pyloric carcinoma.
- Patients can remain symptom-free for decades following successful pyloromyotomy.
Abstract:
Between 1919 and 1941, 71 infants suffering from pyloric hypertrophy were operated on by Ramstedt performing an extramucosal pyloromyotomy. Of these patients, we could identify and investigate 41. Four out of 31 long-term surviving patients have been Billroth II-resected (BII). One of these needed re-resection because of an anastomotic ulcer. None of all the long-term survivors developed a carcinoma. Two patients were treated conservatively because of gastritis and one because of esophagitis. All patients, except the one requiring re-resection and one suffering from maldigestion, were absolutely free of complaints. The average time between operation and re-checking was 57 years. The oldest patient was examined 72 years after the operation.