[Long-term followup of primary intestinal lymphangiectasia in the child. Six case reports]

A Munck1, G Sosa Valencia, C Faure

  • 1Service de gastroentérologie et nutrition pédiatriques, hôpital Robert-Debré, 48, boulevard Sérurier, 75019 Paris, France. anne.munck@rdb.ap-hop-paris.fr

Insights

Primary intestinal lymphangiectasia requires a lifelong low-fat diet for symptom management. Even asymptomatic patients show persistent lymphatic abnormalities, highlighting the need for long-term dietary adherence.

Area of Science:

  • Gastroenterology
  • Pediatric Medicine
  • Endocrinology

Context:

  • Primary intestinal lymphangiectasia (PIL) is a rare disorder causing protein-losing gastroenteropathy.
  • Long-term follow-up data for pediatric PIL patients are scarce.
  • Understanding the long-term prognosis and management of PIL is crucial for patient care.

Purpose:

  • To evaluate the long-term outcomes of children diagnosed with primary intestinal lymphangiectasia.
  • To assess the efficacy and necessity of a strict low-fat diet in managing PIL.
  • To investigate the persistence of underlying lymphatic defects and biological abnormalities.

Summary:

  • Six children diagnosed with PIL (mean age 17 months) were followed for 11 years.
  • A strict low-fat diet with medium-chain triglycerides and vitamin supplementation resolved symptoms in all patients.
  • Despite symptom resolution, persistent chyle leakage was observed in most; dietary relaxation led to severe relapses in two patients, while three on long-term strict diets remained asymptomatic.

Impact:

  • The study underscores that primary intestinal lymphangiectasia often involves persistent lymphatic dysfunction and biological abnormalities, even in asymptomatic individuals.
  • Lifelong dietary management is indicated for most patients due to the risk of severe clinical relapses upon dietary liberalization.
  • Findings emphasize the critical role of sustained dietary intervention in preventing complications and ensuring long-term well-being for pediatric PIL patients.
Abstract

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