Infantile hypertrophic pyloric stenosis in Dar Es Salaam.

A five-year review revealed that 15 infants with hypertrophic pyloric stenosis were managed in Muhimbili Medical Centre. All belonged to parents residing within Dar es Salaam city: 12 were African, two Arabs and one was an Indian. the M.F ratio was 6'5:1. The approximate incidence rate was found to be one in 5,500 births. The majority presented with the characteristic clinical picture of the surgical condition and all were managed by the standard Fredet-Ramstedt pyloromyotomy. Mortality was 6.7pc.