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Wyszukujesz frazę "Tendera, Michał" wg kryterium: Autor


Tytuł:
Composed angioplasty of the multilevel right common and internal carotid artery stenoses with implantation stents with used of proximal and distal protection system
Złożona angioplastyka prawej tętnicy szyjnej wewnętrznej i wspólnej z implantacją stentów z zastosowaniem równoczesnej protekcji proksymalnej i dystalnej
Autorzy:
Latacz, Paweł
Cebulski, Wiesław
Odrowąż-Pieniążek, Piotr
Ochała, Andrzej
Janas, Piotr
Tendera, Michał
Cierpka, Lech
Opis:
We present a case of a 73 year-old man with, long-segment thigh stenosis in the right common and internal carotid artery with occlusion left common carotid artery. Complex angioplasty with modification proximal and distal system protection was successful performed. There were no procedure-related complications. We concluded that in very complex, multilevel lesions in carotid artery, there is a place for safe double system protection. This maneuver can increase safe of the carotid artery stenting and minimise potential complications.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Tytuł:
Transcoronary stem cell transfer and evolution of infarct-related artery atherosclerosis: evaluation with conventional and novel imaging techniques including Quantitative Virtual Histology (qVH)
Autorzy:
Banyś, Robert Paweł
Musiałek, Piotr
Żmudka, Krzysztof
Lanocha, Magdalena
Majka, Marcin
Tendera, Michał
Dabrowski, Wladysław
Wojakowski, Wojciech
Tekieli, Łukasz
Mazurek, Adam
Opis:
Introduction: It has been suggested that infarct-related artery (IRA) atherosclerosis progression after stem cell transcoronary administration might represent a stem-cell mediated adverse effect. Aim: To evaluate, using conventional (quantitative coronary angiography, QCA, intravascular ultrasound – IVUS) and novel (quantitative virtual histology – qVH) tools, evolution of IRA atherosclerosis following transcoronary stem cell transfer. Material and methods: QCA, IVUS, VH-IVUS and qVH were performed in 22 consecutive patients (4 women) aged 59 years (data provided as median) undergoing a distal-to-stent infusion of 2.21 × 10$^{6}$ CD34$^{+}$CXCR4$^{+}$ autologous bone marrow cells via a cell delivery-dedicated perfusion catheter at anterior AMI day 7. Imaging was repeated at 12 months. This was a substudy of Myocardial Regeneration by Intracoronary Infusion of Selected Population of Stem Cells in Acute Myocardial Infarction (REGENT) Trial (NCT00316381). Results: 18.2% subjects showed absence of distal-to-stent angiographic/IVUS atherosclerotic lesion(s) at baseline and no new lesion(s) at 12-months. In the remaining cohort, there were 28 lesions by QCA (32 by IVUS) at baseline and no new lesion(s) at follow-up. Three fibroatheromas evolved (2 to calcified fibroatheroma and 1 to a fibrocalcific lesion); other plaques maintained their stable (low-risk) phenotypes. Diameter stenosis of QCA-identified lesions was 29.5 vs. 26.5% (p = 0.012, baseline vs. 12-months). Gray-scale IVUS showed reduction in area stenosis (33.8 vs. 31.0%, p = 0.004) and plaque burden (66.27 vs. 64.56%, p = 0.009) at 12-months. Peak fibrotic plaque content increased from 70.41% to 75.0% (p = 0.004). qVH peak confluent necrotic core area and minimal fibrous cap thickness remained stable (0.64 vs. 0.59 mm2, p = 0.290, and 0.15 vs. 0.16 mm, p = 0.646). Conclusions: This study, using a range of classic and novel imaging techniques, indicates lack of any stimulatory effect of transcoronary stem cell transfer on coronary atherosclerosis. Whether, and to what extent, a moderate reduction in plaque burden and stenosis severity at 12-months results from optimized pharmacotherapy and/or stem cell transfer requires further elucidation.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł

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