A series consisting of 658 radiologically diagnosed intussusceptions is analysed. Hydrostatic reduction was successful in 85.2% of cases, the incidence of failure amounting to 14.8%. Analysis demonstrated a marked difference in reduction rate in different age groups. The lowest rate of success was recorded in children over 5 years of age, the group with the highest incidence of leading points. The next lowest rate of success was in those below age 1 year where the frequency of failure was more than 50% higher than in the ages between 1 and 5 years. However, the rate of leading points was approximately the same in both the latter groups and close to the average in entire series. There is no reason to refrain from barium enema reduction in any age group although special care should be exercised in the neonate. With a reasonable experience of method, the risk of overlooking a surgically significant lesion is negligible.
Excessive salivation, with choking, coughing and cyanosis on attempts at feeding in a newborn infant reasonably suggest esophageal atresia. Yet, other less common lesions may present the same signs. Of these, the simple esophagotracheal fistula, without atresia, is well known, while instances of congenital pharyngo-esophageal and true esophageal diverticula, with or without coexisting esophagotracheal fistulae, have only occasionally been reported (BRINTNALL & KRIDELBAUGH 1950, KNOX 1951, ROBB 1952 and GRANT & ARNElL 1959).An apparently even more rare disorder in the neonate with the same symptomatology is submucosal perforation of the esophagus. The clinical features and the radiologic appearances of this lesion on the basis of experience gained from two cases recently studied will be described in this communication. During its preparation, however, the records of a third case treated in another hospital became available and were included in the study. The radiologic features and the findings at operation of this third case well support the etiologic hypothesis for the disorder.
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