In 1947 we reported a consecutive series of 99 intussusception cases in infants and children from the Cook County Children's Hospital, covering a 21-year-period from 1925 to 1946. There was an over-all mortality of 19.1%. In the last 45 cases of this series, between 1941 and 1946, the mortality was 6.6%. Since this time another 10 years of experience with this disease has accumulated in this institution, and during this period 58 additional cases of intussusception have been encountered and treated. There were no mortalities among these patients. Two infants were admitted in extremis and died before treatment could be undertaken. These two cases are excluded from our present series (Table 1).
In this series the pattern of age and sex incidence and frequency of the disease showed no significant change from that reported in the earlier series nor from that generally accepted. Of the 58 patients, 36 were 1