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Visual Abstract - Intracoronary Poloxamer 188 Prevents Reperfusion Injury in a Porcine Model of ST-Segment Elevation Myocardial Infarction: 10.1016/j.jacbts.2016.04.001

Bartos, Jason A. ; Matsuura, Timothy R. ; Tsangaris, Adamantios ; Olson, Matthew ; McKnite, Scott H. ; Rees, Jennifer N. ; Haman, Karen ; Kadambari Chandra Shekar ; Riess, Matthias L. ; Bates, Frank S. ; Metzger, Joseph M. ; Demetris Yannopoulos

Figshare 2019

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  • Título:
    Visual Abstract - Intracoronary Poloxamer 188 Prevents Reperfusion Injury in a Porcine Model of ST-Segment Elevation Myocardial Infarction: 10.1016/j.jacbts.2016.04.001
  • Autor: Bartos, Jason A. ; Matsuura, Timothy R. ; Tsangaris, Adamantios ; Olson, Matthew ; McKnite, Scott H. ; Rees, Jennifer N. ; Haman, Karen ; Kadambari Chandra Shekar ; Riess, Matthias L. ; Bates, Frank S. ; Metzger, Joseph M. ; Demetris Yannopoulos
  • Assuntos: Cardiology
  • Notas: 10.1016/j.jacbts.2016.04.001
    RelationTypeNote: IsSupplementTo -- 10.1016/j.jacbts.2016.04.001
  • Descrição: • STEMI remains a significant cause of in-hospital mortality, and up to 20% of people go on to develop heart failure.• P188 is a nonionic triblock copolymer believed to prevent cellular injury after ischemia and reperfusion. The CORE trial examined P188 for STEMI patients showing no benefit when it was infused through a peripheral IV catheter approximately 30 min after revascularization with thrombolytic therapy.• STEMI was induced in pigs using endovascular coronary artery occlusion to compare intracoronary infusion of P188 immediately after revascularization to infusion of P188 through a peripheral IV catheter 30 min after revascularization. Immediate intracoronary infusion of vehicle control and PEG, a rheological control, were also compared.• Intracoronary infusion of P188 immediately upon reperfusion reduced infarct size by 68% compared with delayed peripheral P188 infusion, which was similar to vehicle control.• Mitochondrial respiration and calcium stress tolerance were preserved in the ischemic tissue of pigs treated with immediate intracoronary P188 infusion. Mitochondria from pigs with delayed peripheral P188 infusion were no different from control pigs.• By reducing infarct size and mitochondrial dysfunction, immediate intracoronary infusion of P188 may provide a therapeutic strategy to improve post-STEMI outcomes. The timing and route of delivery were critical to the observed benefit.
  • Editor: Figshare
  • Data de criação/publicação: 2019
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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