乳児肥厚性幽門狭窄症 : 早期発症例について

概要

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Two of 56 cases with infantile hypertrophic pyloric stenosis(IHPS)began to vomit at 12 hour and 24liour after birth, Pyloromyotomy performed on 4 day and 9 day of age disclosed a typical pyloric tumor in both cases. Neither of them was the first born child and clinical features common to both cases included jaundice, hemateraesis, constipation, oliguria or anuria, hemoconcentration without hypochloremia, high blood urea nitrogen concentration, free gastroesophageal reflux, marked obstruction of pyloric canal with typical roentgenographic manifestations of IHPS prior to operation and somewhat smaller pyloric tumor than in the average cases. The average age at onset of IHPS in our institution is 22 days seen in the cases from 1959 to 1969 and 16.7 days in those from 1970 to 1981. Seventeen percent of cases in the earlier group began to vomit before 15 days of life but this figures increased to 51% in the latter group. Etiology of IHPS remians to be elucidated but acquired causes, such as milk allergy, could not be considered in these cases.
日本小児外科学会の論文
1982-08-20