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The study aims to review the contemporary presentation, diagnosis and treatment of children with infantile hypertrophic pyloric stenosis (IHPS) at an Australian paediatric tertiary centre.

A retrospective case review of patients with IHPS presenting to our institution between January 2004 and December 2010 was performed. Results were compared with a previous study evaluating two earlier 6‐year series of patients treated between January 1984 and November 1995.

Of 362 infants presenting over the current 7‐year review, 84.8% were male. Mean age of admission fell from 5.9 weeks in the previous study to 5.4 weeks. An ‘olive’ was palpated on examination in 48%, visible peristalsis seen in 25% and 16% of patients presented with haematemesis. Diagnosis solely on clinical examination fell from 74% to 9% and was associated with a corresponding increase in use of ultrasound from 16 …