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Non-immunoglobulin E (IgE)-mediated food hypersensitivity disorders like FPIES, AP, and FPE often affect infants, presenting with gastrointestinal symptoms. Diagnosis relies on history and food avoidance, with management involving dietary changes and challenges.

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Area of Science:

  • Gastroenterology
  • Allergology
  • Pediatrics

Background:

  • Non-immunoglobulin E (IgE)-mediated food hypersensitivity encompasses gastrointestinal disorders.
  • Common syndromes include food protein-induced enterocolitis syndrome (FPIES), allergic proctocolitis (AP), food protein-induced enteropathy (FPE), and celiac disease.

Purpose of the Study:

  • To review common non-IgE-mediated food hypersensitivity syndromes.
  • To discuss their presentation, diagnosis, and management.

Main Methods:

  • Review of literature on FPIES, AP, FPE, and celiac disease.
  • Focus on clinical presentation, diagnostic approaches, and therapeutic strategies.

Main Results:

  • FPIES, AP, and FPE typically occur in infancy, triggered by cow's milk or soy, with distinct gastrointestinal symptoms.
  • Diagnosis for these conditions is primarily clinical, based on symptom resolution after food elimination.
  • Celiac disease, an immune response to gluten, requires serologic tests and biopsy for diagnosis, necessitating a lifelong gluten-free diet.

Conclusions:

  • Management of FPIES, AP, and FPE involves food avoidance and oral food challenges to monitor symptom resolution.
  • Celiac disease management mandates strict, lifelong gluten avoidance.
  • Early identification and appropriate dietary management are crucial for these food hypersensitivity disorders.