Late Results (Hypertrophic Pyloric Stenosis)

Late results in 2/3 of the 193 infants operated for hypertrophic pyloric stenosis 6 months to 12 years postoperatively. On a telephone survey, 98% reported no gastrointestinal symptoms while 2% complained of frequent vomiting; however, this group had a non-treated primary gastroesophageal reflux.