A relatively simple interview technique was developed and validated which predicts the outcome of surgical intervention in patients with intractable duodenal ulcer. A scored interview guide provides a quantitative basis on which to base clinical opinion. Evidence for the validity of the interview guide is presented in two studies, one postdictive and the other truly predictive. When the recommended cut-off scores are used, the scale demonstrates high predictive value.
A CONTINUING CLINICAL CHALLENGE ispresented in the proper selection of patients for surgical intervention when the primary problem is that of intractability of chronic peptic ulcer symptoms. Inasmuch as a surgical procedure and the usual indications for surgery are constant, the major variable in response to surgery is that of the individual patient.The basic aim of this study was to deter-
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