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Percutaneous transluminal angioplasty and/or stenting for the treatment of basilar artery stenosis: a systematic review and meta-analysis. | LitMetric

AI Article Synopsis

  • The article discusses a medical procedure called PTAS used to treat a narrowing of the basilar artery (BAS), which can be very dangerous.
  • Researchers looked at different studies involving 1,016 patients to see how well PTAS worked and what problems might occur.
  • They found that PTAS is usually safe and effective for patients whose BAS symptoms don't get better with medication, but more research is needed for even better results.

Article Abstract

Purpose: Basilar artery stenosis (BAS) carries high morbidity and mortality, with variable outcomes after endovascular treatments. We systematically reviewed the literature on percutaneous transluminal angioplasty and/or stenting (PTAS) for BAS.

Methods: PubMed, EMBASE, Web-of-Science, Scopus, and Cochrane were searched upon the PRISMA guidelines to include prospective/retrospective cohort studies describing PTAS for BAS. Pooled rates of intervention-related complications and outcomes were analyzed with random-effect model meta-analyses.

Results: We included 25 retrospective cohort studies comprising 1016 patients. All patients were symptomatic, presenting with transient ischemic attack or ischemic stroke. BAS frequently involved the middle basilar artery (51.4%), mostly classified as Mori-B (57.4%). PTAS for BAS was indicated in severe (≥ 50-70%), symptomatic BAS refractory to dual antiplatelet therapy. Patients underwent angioplasty (95.5%) and/or stenting (92.2%), preferably using Wingspan or Apollo stents. Median baseline BAS was 81% (range, 53-99%), while median post-intervention BAS was 13% (0-75%). Actuarial rates of successful intervention and "good" final outcome were 100% (95% CI: 100-100%) and 89% (95% CI: 85-93%). Intervention-related recurrent ischemic stroke occurred in 85 patients (8.3%) with actuarial rates of 5% (95% CI: 4-7%), differentiated into perforator (5.4%), in-stent (2.6%), and embolic (0.4%). Actuarial rates of intervention-related dissection, restenosis, and death were 0% (95% CI: 0-0%), 1% (95% CI: 0-1%), and 0% (95% CI: 0-2%).

Conclusion: Elective PTAS appears to be safe and effective in selected patients with medically refractory, severe, symptomatic, and non-acute BAS. Different stent types and angioplasty-assisted procedures should be considered based on specific clinico-radiological characteristics of the lesions. Future randomized controlled trials are required to corroborate these findings.

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Source
http://dx.doi.org/10.1007/s00234-023-03124-xDOI Listing

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