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(Stroke. 1998;29:2568-2574.)
© 1998 American Heart Association, Inc.

Original Contributions

Angioplasty after Intra-Arterial Thrombolysis for Acute Occlusion of Intracranial Arteries

Toshihiro Ueda, MD, PhD; Saburo Sakaki, MD, PhD; Ichiro Nochide, MD; Yoshiaki Kumon, MD, PhD; Kanehisa Kohno, MD, PhD Shinsuke Ohta, MD, PhD

From the Department of Neurological Surgery, Ehime University School of Medicine, Ehime, Japan.

Background and Purpose—The purpose of this study was to report our experience with percutaneous transluminal angioplasty (PTA) of intracranial arteries in acute stroke patients who were resistant to intra-arterial thrombolysis alone.

Methods—PTA was performed within 6 hours from symptom onset in 13 acute stroke patients in whom no hypodensity areas were observed on initial CT. PTA was classified into 3 categories: immediate (3 patients), delayed (3 patients), and rescue (7 patients) angioplasty. Treatment results in the PTA group for 9 cases of middle cerebral artery (MCA) occlusion were compared with those in the thrombolysis alone group for 12 cases of thrombotic MCA occlusion.

Results—Technical success rates for immediate, delayed, and rescue angioplasty were 100%, 100%, and 71%, respectively, and that of angioplasty for the MCA was 100%. Ten patients (77%) showed improvement in the National Institutes of Health (NIH) stroke score after treatment. Improvement in NIH stroke scores in the PTA group for MCA occlusion was greater than that in the thrombolysis alone group (P<0.01). Nine patients (69%) had an excellent, good, or fair outcome 3 months after treatment. In 9 patients who had follow-up angiography 1 month after treatment, no restenosis or reocclusion was demonstrated. There were no symptomatic complications during or after treatment.

Conclusions—This limited study demonstrates the technical feasibility of angioplasty for intracranial arteries in acute ischemic stroke and suggests that angioplasty may be an effective option for improving the success rate of recanalization and preventing reocclusion of the MCA. The present results encourage us to perform further clinical trials in a larger number of patients to assess the efficacy of this procedure.

Key Words: angioplasty • cerebral thrombosis • stroke, ischemic • thrombolytic therapy

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