Use of intraoperative esophageal manometrics in surgical treatment of gastroesophageal reflux in pediatric patients.

Intraoperative lower esophageal sphincter (LES) pressures and lengths were measured in 10 pediatric patients requiring surgery for complications of gastroesophageal reflux. LES pressure changed significantly pre- and post-Nissen fundoplication (9.8±1.51 mmHg vs. 32.8±2.68 mm Hg, p p p