Pediatric neurology · 2024
Magnetic Resonance Angiography Alone Is Insufficient for Diagnosis and Surgical Planning in Children With Moyamoya.
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Lehman Laura L, Wu Clara, Kaseka Matsanga-Leyila, Muthusami Prakash, Armstrong Derek, Dirks Peter, Shroff Manohar, Moharir Mahendranath, Macgregor Daune, deVeber Gabrielle, Dlamini Nomazulu
Аннотация
BACKGROUND: The gold standard for evaluation of the severity of moyamoya vasculopathy is the Suzuki grade determined with cerebral catheter angiography (CA). With greater use of magnetic resonance angiography (MRA) it is important to understand if MRA is truly comparable to CA.
METHODS: Children with moyamoya were evaluated using the Suzuki score for CA and the modified MRA six-stage Suzuki score to describe the angiographic findings in moyamoya from initial narrowing of the distal internal carotid artery to the "puff of smoke" appearance of the lenticulostriate collaterals and finally to the disappearance of this network of collaterals. Using Cohen kappa we compared Suzuki grade based on CA with MRA in the same patients.
RESULTS: A total of 27 children with moyamoya were reviewed. We calculated a weighted Cohen kappa of 0.49 (P < 0.0001), which is a moderate correlation.
CONCLUSIONS: We suggest caution in the reliance on MRA for the diagnosis and evaluation of severity of moyamoya in children.
METHODS: Children with moyamoya were evaluated using the Suzuki score for CA and the modified MRA six-stage Suzuki score to describe the angiographic findings in moyamoya from initial narrowing of the distal internal carotid artery to the "puff of smoke" appearance of the lenticulostriate collaterals and finally to the disappearance of this network of collaterals. Using Cohen kappa we compared Suzuki grade based on CA with MRA in the same patients.
RESULTS: A total of 27 children with moyamoya were reviewed. We calculated a weighted Cohen kappa of 0.49 (P < 0.0001), which is a moderate correlation.
CONCLUSIONS: We suggest caution in the reliance on MRA for the diagnosis and evaluation of severity of moyamoya in children.