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Indirect revascularization surgery for moyamoya disease in children and its special considerations
Kyu-Chang Wang1, Ji Hoon Phi, Ji Yeoun Lee
1Division of Pediatric Neurosurgery, Department of Neurosurgery, Seoul National University Children's Hospital, Seoul, Korea.
Abstract:
Moyamoya disease (MMD) is the most common pediatric cerebrovascular disease in Far Eastern countries. In children, MMD frequently manifests as ischemic symptomatology. Cerebral perfusion gradually decreases as the disease progresses, which often leads to cerebral infarction. The benefits of revascularization surgery, whether direct or indirect, have been well established in MMD patients with ischemic symptoms. In adults, the increase in cerebral blood flow achieved with indirect revascularization is often unsatisfactory, and direct revascularization is usually feasible. In children, however, direct revascularization is frequently technically not feasible, whereas the response to indirect revascularization is excellent, although 1 or 2 weeks are required for stabilization of symptoms. The authors describe surgical procedures and perioperative care in indirect revascularization for MMD. In addition, special considerations with regard to very young patients, patients with recent cerebral infarction, and patients with hyperthyroidism are discussed.
Insights
Indirect revascularization surgery effectively manages Moyamoya disease (MMD) in children, offering excellent symptom stabilization. This approach is crucial when direct surgery is not feasible for pediatric cerebrovascular disease.
Area of Science:
- Neurology
- Neurosurgery
- Pediatric Cerebrovascular Disease
Background:
- Moyamoya disease (MMD) is a leading pediatric cerebrovascular disorder in East Asia.
- MMD commonly presents with ischemic symptoms in children due to progressive cerebral hypoperfusion.
- Cerebral infarction is a frequent complication of untreated MMD.
Purpose of the Study:
- To detail surgical procedures and perioperative care for indirect revascularization in pediatric Moyamoya disease.
- To discuss specific considerations for indirect revascularization in high-risk pediatric MMD patients.
Main Methods:
- Description of indirect revascularization surgical techniques for MMD.
- Perioperative management strategies for pediatric MMD patients undergoing indirect revascularization.
Main Results:
- Indirect revascularization demonstrates excellent efficacy in children with MMD.
- Symptom stabilization is typically observed within 1-2 weeks post-surgery.
- Direct revascularization is often technically challenging in pediatric MMD patients.
Conclusions:
- Indirect revascularization is a highly effective surgical option for pediatric Moyamoya disease.
- Careful perioperative management is essential for successful outcomes.
- Special attention is required for very young patients, those with recent infarction, or hyperthyroidism.
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