Infantile hypertrophic pyloric stenosis in Ghana.

In a retrospective study of 84 Ghanaian infants with hypertrophic pyloric stenosis seen over a 15-year period between 1974 and 1988, the male/female incidence ratio was 9:1. First-born infants constituted 23.8% of the patient population. The incidence of associated congenital anomalies and jaundice were 10.7% and 3.6% respectively. About 33.3% of the infants started vomiting within the first week of life. The peak-age of presentation and diagnosis was between the second and sixth weeks of life. The operative mortality was 3.6%.