The underlying antro-pyloric mass is split leaving the mucosal layer intact. The infant should be hospitalized for initial medical treatment and a surgeon should be consulted. Close follow-up is required after discharge. Persistent emesis after surgery suggests incomplete pyloromyotomy, gastritis, hiatal hernia, or another cause for obstruction. The prognosis is very good, with complete recovery and catch-up growth if detected in a timely fashion.
Surgery is curative with minimal mortality.
For infants presenting with the classical picture, the diagnosis should be considered early. The infant may present with severe fluid and electrolyte imbalance and may succumb if the diagnosis is not considered for a prolonged period. Tetrahydrobiopterin in the treatment of infantile hypertrophic pyloric stenosis. Supraumbilical skin-fold incision for pyloromyotomy. Cost-effectiveness in diagnosing infantile hypertrophic pyloric stenosis.