A selective proximal vagotomy risk map was created on the basis of risk factors of selective proximal vagotomy (SPV). The severity of initial state of the patient was determined by the map and expressed in scoring system. Four degrees of risk of unfavourable remote results of the operative procedure were established. The result was found to depend on the sum of scored points and risk degree. It was found that recurrent ulcers were most probable after isolated SPV, dumping syndrome followed SPV with the Finney pyloroplasty, other functional disorders took place after SPV with gastroduodenostomy after Jabuley.
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