抄録
Follow-up studies were carried out on 46 patients with congenital hypertrophic stenosis 1 to 12 years after the Ramstedt operation. Their chief complaints were loss of appetite, vomiting and abdominal pain in this order of frequency. Barium gastrointestinal examination showed abnormal findings in 16 patients (39%) and chief findings were deformities of duodenal bulb and pylorus, gastric ulcer and duodenal ulcer. About a half of the patients 1 to 4 years after operation showed the tendency of hypergastrinemia.
