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KMID : 1005420210230020159
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Journal of Cerebrovascular and Endovascular Neurosurgery
2021 Volume.23 No. 2 p.159 ~ p.168
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Hybrid microcatheter angioplasty for refractory cerebral vasospasm
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Walker Melanie
Erdoes Morgan P.
Stricker Chloe G.
Bothell Julie
Kelly Cory M.
Levitt Michael R.
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Abstract
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Cerebral vasospasm is a significant cause of morbidity and mortality associated with aneurysmal subarachnoid hemorrhage (aSAH). Intra-arterial chemical and mechanical angioplasty, performed alone or in combination, have been shown to ameliorate cerebral vasospasm and improve patient outcomes. Few options exist for patients who fail these traditional endovascular tactics. We propose a hybrid microcatheter technique that combines the mechanical benefit of transient high pressure induced by microcatheter fluid bolus with a low-dose vasodilator infusion. Five patients with moderate to severe symptomatic vasospasm who failed medical and traditional endovascular management were treated using a hybrid microcatheter technique. All angioplasty procedures were technically successful, and the degree of vasospasm improved following angioplasty. There were no complications related to the cerebral angioplasty procedures. None of the patients required repeat endovascular intervention. Hybrid microcatheter angioplasty may be a useful complement to mechanical or pharmacological techniques in the endovascular management of intractable cerebral vasospasm after aSAH.
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KEYWORD
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Angioplasty, Endovascular, Microcatheter, Vasospasm, Technique, Hybrid
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