Abdominal manifestation of multisystemic inflammatory syndrome in children

Iván José Ardila Gómez1,2,3,4, Pilar Pérez López5,2,6,3,4, Darling Carvajal Duque1,3,4

  • 1Pediatric Critical Care, Colombia.

Abstract

Insights

Multisystemic inflammatory syndrome in children (MIS-C) following SARS-CoV-2 infection can cause severe abdominal symptoms mimicking surgical emergencies. Early recognition is crucial for appropriate pediatric care and surgical intervention when necessary.

Area of Science:

  • Pediatric Gastroenterology
  • Infectious Diseases
  • Pediatric Surgery

Background:

  • Multisystemic inflammatory syndrome in children (MIS-C) is a rare but serious complication of SARS-CoV-2 infection.
  • MIS-C often presents with gastrointestinal symptoms that can mimic acute surgical abdominal conditions.

Observation:

  • A series of 8 pediatric patients with MIS-C and surgical abdominal symptoms were analyzed.
  • Patients presented with fever, abdominal pain, diarrhea, and shock, necessitating surgical evaluation.
  • Diagnostic workup included RT-PCR, antigen tests, antibody detection, and laboratory markers of inflammation and cardiac strain.

Findings:

  • Laboratory results showed elevated acute phase reactants (ESR, CRP, procalcitonin), troponin, D-dimer, and proBNP.
  • Surgical findings included normal appendix, edematous appendicitis, and complicated appendicitis in the studied cohort.
  • MIS-C patients exhibited abdominal symptoms mimicking surgical emergencies, with a significant need for surgical exploration.

Implications:

  • MIS-C represents a critical differential diagnosis for acute surgical abdomen in pediatric populations.
  • Early recognition and appropriate management are crucial to prevent severe outcomes in children with MIS-C.
  • This study highlights the complex interplay between viral infection, systemic inflammation, and gastrointestinal manifestations in pediatric patients.

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