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Intracranial Percutaneous Transluminal Angioplasty for Arteriosclerotic Stenosis
Abdulkader Alazzaz, MD;
John Thornton, FFR, RCSI;
Victor A. Aletich, MD;
Gerard M. Debrun, MD;
James I. Ausman, MD, PhD;
Fady Charbel, MD
Arch Neurol. 2000;57:1625-1630.
Background Patients with intracranial arteriosclerotic disease have significant morbidity and mortality rates, and some are unresponsive to medical treatment and have unacceptable surgical risks. Percutaneous transluminal angioplasty of the intracranial vessels is a possible alternative to surgery.
Objectives To present our experience with percutaneous transluminal angioplasty and to summarize our data.
Patients and Methods Sixteen patients underwent intracranial percutaneous transluminal angioplasty for high-grade arteriosclerotic stenosis based on strict inclusion and exclusion criteria. All patients had symptoms referable to the stenosis except one. Angioplasty was performed in 6 intracranial vertebral arteries, 3 basilar arteries, 5 middle cerebral arteries, and 3 distal internal carotid arteries. One patient had concomitant stent placement.
Results There was 1 treatment failure secondary to tortuous vascular anatomy. Vessel caliber was increased to more than 80% of normal in 6 patients and to 50% to 70% of normal in 6 patients, with a reduction of symptoms. Three intimal dissections occurred during angioplasty; one of these, in a precavernous segment of the internal carotid artery, was stented. One patient restenosed within 1 month of treatment. The remaining treated arteries remained patent during follow-up of 3 months to 2 years. Stroke as a complication occurred in 2 patients, 1 mild and 1 severe. There was no mortality.
Conclusions Occlusive arteriosclerotic disease involving the intracranial cerebral vessels can be managed medically with antiplatelet and anticoagulant drug therapy or surgically. However, in patients who are unresponsive to medical therapy or who have unacceptable surgical risks, percutaneous transluminal angioplasty is an attractive alternative that can be performed in selected patients with relatively low risk and good clinical outcome.
From the Departments of Radiology (Drs Alazzaz, Thornton, Aletich, and Debrun) and Neurosurgery (Drs Ausman and Charbel), University of Illinois at Chicago.
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