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KMID : 1005420170190010048
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Journal of Cerebrovascular and Endovascular Neurosurgery
2017 Volume.19 No. 1 p.48 ~ p.51
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Treatment of Cerebral Vasospasm in an Infant Using a Modified Dotter Technique
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Snelling Brian M.
Sur Samir
Shah Sumedh S.
Peterson Eric C.
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Abstract
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An 8-month old female presented with spontaneous subarachnoid hemorrhage and was treated successfully with endovascular coil embolization of the ruptured aneurysm. Transcranial Doppler ultrasound performed four days later demonstrated middle cerebral artery (MCA) velocities greater than 350 cm/sec on the right and greater than 200 cm/sec on the left, despite medical management. The patient demonstrated no focal neurological deficits, though examination was limited by our patient's sedation and intubation. Angiography revealed severe vasospasm of the supraclinoid internal carotid and MCA territories, bilaterally. The vasospasm was refractory to the administration of intra-arterial verapamil. Balloon angioplasty was attempted, but the device could not be advanced safely due to the small size of the patient's vessels and the stiffness of the device. A microcatheter (0.0165'' diameter) was advanced over a J-shaped soft microwire (0.014'' diameter) to perform mechanical angioplasty in the internal carotid artery and MCA vessels bilaterally. Dramatic improvement was seen angiographically and on transcranial Doppler, and no complications were seen.
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KEYWORD
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Aneurysm, Angioplasty, Dotter technique, Pediatric, Cerebral vasospasm
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