Major adverse cardiac events rate at 9 months was 3.6%, including 1 definite acute stent thrombosis and 1 target‐vessel revascularization. Occlusion of a side branch (<2 mm) occurred in 2 cases (3.5%), embolization to a distal branch in 5 cases (8.9%), and transient no‐reflow in 4 cases (7.1%). Final TIMI 3 flow was achieved in 82% of cases, normal myocardial blush in 55%, and complete ST‐segment resolution in 59%. After MGuard stent implantation >85% of cases had thrombus score = 0. Results Fifty‐six patients were included. The study end‐points were proportion of final TIMI 3 flow, normal myocardial blush, and complete ST‐segment resolution. Lesions with a side branch ≥2 mm and patients with cardiogenic shock were not included. High thrombus burden was defined as thrombus burden grade 4 or 5 according to the TIMI score. Methods Single‐arm, prospective registry of patients with STEMI and high thrombus burden after aggressive thrombus aspiration treated with the MGuard stent. The MGuard is a novel mesh‐covered stent designed to minimize thrombus embolization. These patients may be at high risk of distal embolization and therefore impaired myocardial reperfusion.
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Background In some patients with STEMI, a high thrombus burden may persist after manual aspiration. Objectives To assess the usefulness of the MGuard stent in patients with ST‐segment elevation myocardial infarction (STEMI) in whom a high thrombus burden persists after manual aspiration. ROURA, GERARD GRACIDA, MONTSERRAT HOMS, SILVIA TERUEL, LUIS CEQUIER, ÁNGEL SÁNCHEZ‐ELVIRA, GUILLERMO GÓMEZ‐LARA, JOSEP FERREIRO, JOSÉ L.
ROMAGUERA, RAFAEL GÓMEZ‐HOSPITAL, JOAN A.
MGuard Mesh‐Covered Stent for Treatment of ST‐Segment Elevation Myocardial Infarction with High Thrombus Burden Despite Manual Aspiration MGuard Mesh‐Covered Stent for Treatment of ST‐Segment Elevation Myocardial Infarction with High.
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