A Clinical Study of the Congenital Hypertrophic Pyloric Stenosis

ABSTRACT

A Clinical study was carried out on 39 cases with congenital hypertrophic pyloric stenosis who were admitted to the department of Pediatrics, Catholic Medical College, during the 7 years 8 months from January 1971 to August 1978. The following results were obrained. 1. The age incidence was highest in the 2-4 weeks of age and 82.0% were under the 8 weeks. Af age Male to female ratio was 121. 2. The age at onset was within 3 weeks of age in the majority cases(69.2%). 3. In distribution of birth weight, the majority cases(75%) were 3.0~4.0kg. and 18 cases(46%) were first born bady. 4. In the body weight percentile on admission, the jahority cases(75.4%) were under the 25 percentile. 5. The kinds of feeding in order of frequency were breast(41.0%), bottle(30.8%) and mixed feeding(28.2%). 6. The average duration of symptoms prior to operation was 17 days. 7. On the physical examination, gastric peristaltic wave was observed in 30 cases(77%) and the pyloric tumor mass was palpated in 26 cases(67%). And Projectile vomitiong and dehydration were observed in all cases. 8. Barium meal X-ray study showed the string sign in 33 cases(88.9%).