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עמוד בית
Mon, 05.12.22

Original Articles

IMAJ | volume 23

Journal 5, May 2021
pages: 306-311

Superficial Temporal Artery-Middle Cerebral Artery Microvascular Bypass: Its Role in Treatment of Patients with Moyamoya Disease, Cerebral Aneurysms, and Vascular Occlusive Disease

Summary

Background:

Superficial temporal artery-middle cerebral artery microvascular bypass (STA-MCA MVB) is an important strategy for the management of selected patients.

Objective:

To present our 19-year experience with STA-MCA MVB.

Methods:

Data for consecutive patients who underwent STA-MCA MVB from 2000–2019 due to moyamoya/moyamoya-like disease, complex intracranial aneurysms, or intractable brain ischemia due to internal carotid artery or MCA occlusive disease with repeated ischemic events were retrospectively analyzed under a waiver of informed consent. Key surgical steps and the important role of neuroendovascular interventions are presented. Surgical results and late outcomes were analyzed.

Results:

The study included 32 patients (17 women [53%], 15 men [47%]), mean age 42.94 years (range 16–66). The patients underwent 37 STA-MCA MVB procedures during the study period: 22 with moyamoya/moyamoya-like disease (69%) underwent 27 surgeries (five bilateral); 7 patients with complex aneurysms (22%) and 3 patients with vascular occlusive disease (9%) underwent unilateral bypass. Five of seven aneurysms were treated with coiling or flow-diverter stent implant prior to bypass surgery; two were clipped during the bypass procedure. There were no surgical complications, no perioperative mortality, and no death from complications related to neurovascular disease at late follow-up. Transient neurological deficits following 7/37 surgeries (19%) resolved with no permanent neurologic sequelae. Transient ischemic attacks occurred only in the immediate postoperative period in four patients (11%).

Conclusions:

In specific cases, STA-MCA MVB is a feasible and clinically effective procedure. It is important to preserve this technique in the surgical armamentarium

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