Annals of Pediatric Surgery

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Modified Bianchi pyloromyotomy versus laparoscopic pyloromyotomy for patients with infantile hypertrophic pyloric stenosis: Intraoperative considerations and parents’ satisfaction

Wesam Mohamed, Ahmed M.K. Wishahy, Tamer Y.M. Yassin, Ayman Hussein, Ahmed Arafa, Mohamed S. Abdel Monsif, Mamdouh Abo El Hassan


Introduction Infantile hypertrophic pyloric stenosis is a common cause of persistent nonbilious vomiting during infancy. Ramstedt pyloromyotomy through right upper quadrant transverse incision is the conventional treatment. The laparoscopic and Tan-Bianchi approaches were introduced to improve the cosmesis and decrease postoperative morbidity. In this study, we compared between laparoscopic and modified Bianchi approaches regarding intraoperative technical considerations and postoperative outcomes.
Patients and methods The study included 40 patients with infantile hypertrophic pyloric stenosis. Overall, 20 patients underwent laparoscopic pyloromyotomy (LP) and the other 20 patients underwent modified Bianchi pyloromyotomy (MBP). Patients’ characteristics, including age, sex, gestational age, and associated  comorbidities, were documented. Intraoperative details and complications and postoperative outcomes were recorded.
Results The operative time and intraoperative complications including mucosal perforation and bleeding did not significantly differ between both the groups. From the laparoscopic group, one (5%) case was complicated by mucosal perforation and converted to open and another case (5%) developed hypercapnia. There was no statistically significant difference between the two groups regarding time till full feed (P=0.648) and postoperative hospital stay (P=0.082). In addition, there was no statistically significant difference between the two groups regarding postoperative complications, with one (5%) case from the laparoscopic group underwent incomplete myotomy and required redo-operation and another case (5%) developed wound infection. MBP had a significantly more parent satisfaction regarding cosmesis than LP (P=0.016).
Conclusion MBP is comparable to LP regarding intraoperative complications and postoperative outcomes; however, the modified Bianchi approach offered more parent satisfaction than laparoscopic approach.  

Keywords: laparoscopic, modified Bianchi, pyloric stenosis, pyloromyotomy
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