Infantile hypertrophic pyloric stenosis (IHPS) is a common cause of nonbilious emesis that requires surgical management in newborns. The incidence in Asian population is one-third to one-fifth of that in Caucasians. 1 Since 1991, laparoscopic pyloromyotomy has been undergoing development and has also received recognition as a feasible and safe alternative to open extramucosal longitudinal myotomy. 2 A number of Western studies have shown that the laparoscopic approach yields better cosmetic satisfaction, but there were mixed results in terms of complication rates, operative time, and hospital stay. 3-6 Previous studies in Korea and Japan have shown improved recovery benefits, but were equivocal with regard to