Hitoria natural y consecuencias del conducto peritoneo-vaginal permeable
Topic overview
Multi-center prospective study evaluating patent processus vaginalis (PPV) prevalence during laparoscopic pyloromyotomy in 526 infants. Found 54% PPV prevalence, more common in younger/lower-weight infants, but only 1.2% required hernia repair within first year, questioning need for prophylactic intervention.
Key takeaways
- 82% of infants undergoing laparoscopic pyloromyotomy had a patent processus vaginalis (PPV), most commonly bilateral or right-sided.
- PPV was more common in younger, lower-weight infants and those with lower gestational age at birth.
- Only 1.2% required inguinal hernia repair in first year despite high PPV prevalence, suggesting most close spontaneously.
- No new hernias developed in patients followed beyond one year, supporting conservative management of asymptomatic PPV.
- Routine prophylactic repair of PPV found during pyloromyotomy is not indicated based on low symptomatic hernia rate.
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