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Pediatric moyamoya disease: An analysis of 410 consecutive cases

Seung-Ki Kim1, Byung-Kyu Cho, Ji Hoon Phi

  • 1Division of Pediatric Neurosurgery, Seoul National University Children's Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.

Annals of Neurology
|June 29, 2010
PubMed
Abstract

Insights

Early intervention for Moyamoya disease (MMD) in children is crucial. Prompt diagnosis and surgical treatment, like encephaloduroarteriosynangiosis, significantly improve outcomes and prevent unfavorable results such as infarction.

Area of Science:

  • Neurology
  • Neurosurgery
  • Pediatric Cerebrovascular Disease

Background:

  • Moyamoya disease (MMD) is a rare cerebrovascular occlusive disease affecting bilateral internal carotid arteries.
  • It leads to a compensatory abnormal vascular network at the brain's base.
  • Limited clinical research exists due to rarity and varied surgical approaches.

Purpose of the Study:

  • To analyze the surgical outcomes of pediatric Moyamoya disease patients.
  • To identify prognostic factors influencing surgical success in MMD.

Main Methods:

  • Retrospective analysis of 410 pediatric MMD patients treated at a single institution.
  • Uniform surgical scheme: bilateral encephaloduroarteriosynangiosis with bifrontal encephalogaleo-/periosteal synangiosis.
  • Logistic regression analysis to determine prognostic factors.

Main Results:

  • 81% of patients achieved a favorable clinical outcome (66% excellent, 15% good).
  • Infarction at presentation was linked to unfavorable outcomes (OR, 2.85).
  • Decreased vascular reserve on SPECT correlated with favorable outcomes (OR, 0.07).

Conclusions:

  • Early diagnosis and intervention are essential for favorable outcomes in pediatric MMD.
  • Active treatment before irreversible hemodynamic changes is key.
  • Surgical intervention, such as encephaloduroarteriosynangiosis, shows significant efficacy.

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