Besides the mortality rate the value of an operative procedure is measured against the incidence and the degree of undesirable postoperative sequelae. In the surgical treatment of gastroduo denal ulcerations vagotomy is now competing with the success fully established resection therapy. Since this latter method has been further developed during the last years and late results are rare, a comparison between both types of operation is difficult. Meritoriously, the authors have tried to perform a comprehensive analysis. Due to the complexity of postoperative syndromes the diagnostic procedure...