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Journal of Korean Neurosurgical Society 2002;31(4): 364-368.
Improved Cerebral Perfusion after Stent-Assisted Angioplasty for Middle Cerebral Artery Stenosis.
Jung Yong Ahn, Byung Hee Lee, Eun Wan Choi, Ok Joon Kim, Byung Ok Choi
1Department of Neurosurgery, Pundang CHA Hospital, Pochon CHA University, Sungnam, Korea.
2Department of Diagnostic Radiology, Pundang CHA Hospital, Pochon CHA University, Sungnam, Korea.
3Department of Neurology, Pundang CHA Hospital, Pochon CHA University, Sungnam, Korea.
Recent advances in stent technology have allowed the introduction of more flexible stents that may be tracked more easily in the intracranial vessels. We present a patient with improved cerebral perfusion as assessed by single-photon emission computed tomographic(SPECT) scan after stent-assisted angioplasty for symptomatic middle cerebral artery stenosis. A 72-year-old man presented with multiple episodes of transient verbral disturbance and right-sided motor weakness for 5 months despite treatment with aspirin and clopedigrel. Angiography revealed a 50% to 60% stenosis of the left middle cerebral artery. 99m Tc-exametazime-SPECT scan demonstrated decreased cerebral blood flow in the left cerebral hemisphere, particularly in the left middle cerebral artery territory. The patient was recommended a stent-assisted angioplasty for middle cerebral artery stenosis. The patient underwent uncomplicated stenting with S-660 2.5- by 9-mm stent(Arterial Vascular Engineering, Santa Rosa, CA) of the left middle cerebral artery, with excellent angiographic results. Follow-up brain SPECT scan showed markedly improved perfusion. Stent-assisted percutaneous transluminal angioplasty can provide a favorable clinical course as well as improved cerebral perfusion for a patient with middle cerebral artery stenosis. Long-term follow-up data and additional clinical experience are required to assess the durability of this procedure.
Key Words: Angioplasty; Intravascular stent; Middle cerebral artery stenosis
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