[Superselective vagotomy of parietal cells. Evaluation and results in duodenal ulcer].
The authors present a study carried out jointly by the Gastroenterology Service and Surgical Service No. 2 of the General Hospital of the Venezuela Institute of Social Security "Dr. Ildemaro Salas". The results and objectives of the operation are analyzed insisting on its lower morbility and mortality, as well as on the lower incidence of diarrhea, dumping and other gastrointestinales discomforts. The first operation was performed on 17 november 1971 and up to the present 74 patients have been operated, 65 for duodenal ulcers, 7 for esophageal hernia of the hiatus, 1 case of hemorrhagic gastritis, and 1 case of prepyloric ulcer. Some details are given of the operations, the indications for it are pointed out, specially gastric hyperacidity, symptomatic ulcer, and absence of duodenal stenosis. There were 7 post-operative complications and 2 cases of mortality. As to the results there are presented 92% successful interventions and 8% failures.