Herz
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The identification of risks associated with sudden cardiac death requires further investigations. The question was addressed whether parameters can be established which not only describe an increased risk for an enhanced electrical instability of the heart but also of inflammatory events underlying plaque rupture. Emphasis is placed on dose-dependent effects of the long-chain omega-(omega-)3 fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). ⋯ A once daily fish dish can thus not provide the 840 mg/day EPA+DHA administered in the GISSI Prevention Study in the form of ethyl ester which markedly reduced the risk of sudden cardiac death in postmyocardial infarction patients. Nonetheless, at least two preferably oily fish meals per week should be consumed as preventive measure by persons without coronary artery disease. With documented coronary heart disease, it was advised to consume approximately 1 g/day of EPA+DHA.
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Comparative Study Clinical Trial Controlled Clinical Trial
Comparison of cardiac troponin I versus T and creatine kinase MB after coronary artery bypass grafting in patients with and without perioperative myocardial infarction.
Cardiac troponins have shown to be specific markers of myocardial injury. The aim of this prospective study was to compare patterns and kinetics of troponin I and T after coronary artery bypass grafting (CABG) with or without perioperative myocardial infarction (PMI). ⋯ Release patterns of cTnI and cTnT after CABG are different: cTnI reaches its postoperative peak value earlier and declines more quickly than cTnT. After uncomplicated CABG, serum levels of both cardiac troponins remain continuously low. Elevated concentrations reflect perioperative myocardial ischemia or infarction. CTnT shows a different release pattern in patients with or without myocardial infarction.
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Although drug therapy of patients with chronic heart failure has improved significantly over the years, mortality still remains high. At present, heart transplantation is the gold standard therapy for patients with end stage heart disease. Due to the limited number of organs, a growing number of patients require the implantation of mechanical assist devices. ⋯ Assist device implantation has changed from an experimental to a routine procedure in several centers. Still, many problems have to be solved. Especially because of recurrent infections the long-time use of assist devices is limited. For final judgment, results of current studies have to be awaited.