Pyloric stenosis natural history, complications and prognosis

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Complications

• Vomiting after surgery -- this is very common and generally improves with time
• Failure to gain weight in the newborn period
• Risks associated with any surgery, which include:
  • Bleeding
  • Infection

Prognosis

• Surgery usually provides complete relief of symptoms. The infant can usually tolerate small, frequent feedings several hours after surgery.

• As many as 80% of patients continue to regurgitate after surgery

• Patients who continue to vomit 5 days after surgery may warrant further radiologic investigation.