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      저자 : Psychogios Marios Nikos (검색결과 2 건)
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      • Alternative Transcarotid Approach for Endovascular Treatment of Acute Ischemic Stroke Patients: A Case Series

        Styczen Hanna,Behme Daniel,Hesse Amelie Carolina,Psychogios Marios Nikos 대한신경중재치료의학회 2019 Neurointervention Vol.14 No.2

        Purpose: Mechanical thrombectomy has become the standard of care for acute stroke caused by large vessel occlusion. As more patients are treated endovascularly, the number of older patients with tortuous vessels has risen. In these patients, catheterizing the internal carotid artery via a transfemoral approach can be very difficult or even impossible. Therefore, in selected patients, alternative strategies to the transfemoral approach have to be applied. Materials and Methods: We report a case series of six patients undergoing mechanical thrombectomy via a combined transfemoral and transcarotid approach. Puncture of the carotid artery was conducted using roadmap guidance after an unsuccessful transfemoral attempt. Technical aspects and outcomes with this alternative approach were analyzed. Results: Direct puncture of the carotid artery was achieved in five out of six patients (83%). In three out of six patients (50%), revascularization (modified Thrombolysis in Cerebral Infarction score ≥2b) was restored. No complications related to endovascular therapy were documented. One patient showed good neurological outcome (modified Rankin Scale [mRS] 5 at admission, mRS 1 at discharge). Conclusion: A combined transfemoral/transcarotid approach can be an alternative vascular access in patients with problematic vessel anatomy.

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        Outcome Prediction Using Perfusion Parameters and Collateral Scores of Multi-Phase and Single-Phase CT Angiography in Acute Stroke: Need for One, Two, Three, or Thirty Scans?

        Katharina Schregel,Ioannis Tsogkas,Carolin Peter,Antonia Zapf,Daniel Behme,Marlena Schnieder,Ilko L. Maier,Jan Liman,Michael Knauth,Marios-Nikos Psychogios 대한뇌졸중학회 2018 Journal of stroke Vol.20 No.3

        Background and Purpose Collateral status is an important factor determining outcome in acute ischemic stroke (AIS). Hence, different collateral scoring systems have been introduced. We applied different scoring systems on single- and multi-phase computed tomography (CT) angiography (spCTA and mpCTA) and compared them to CT perfusion (CTP) parameters to identify the best method for collateral evaluation in patients with AIS. Methods A total of 102 patients with AIS due to large vessel occlusion in the anterior circulation who underwent multimodal CT imaging and who were treated endovascularly were included. Collateral status was assessed on spCTA and mpCTA using four different scoring systems and compared to CTP parameters. Logistic regression was performed for predicting favorable outcome. Results All collateral scores correlated well with each other and with CTP parameters. Comparison of collateral scores stratified by extent of perfusion deficit showed relevant differences between groups (P<0.01 for each). An spCTA collateral score discriminated best between favorable and unfavorable outcome as determined using the modified Rankin Scale 3 months after stroke. Conclusions Collateral status evaluated on spCTA may suffice for outcome prediction and decision making in AIS patients, potentially obviating further imaging modalities like mpCTA or CTP.

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