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L-carnitine significantly improves patient outcomes following heart attack
Date:4/12/2013

Rochester, MN, April 12, 2013 L-carnitine significantly improves cardiac health in patients after a heart attack, say a multicenter team of investigators in a study published today in Mayo Clinic Proceedings. Their findings, based on analysis of key controlled trials, associate L-carnitine with significant reduction in death from all causes and a highly significant reduction in ventricular arrhythmias and anginal attacks following a heart attack, compared with placebo or control.

Heart disease is the leading cause of death in the United States. Although many of the therapies developed in recent decades have markedly improved life expectancy, adverse cardiovascular events such as ventricular arrhythmias and angina attacks still occur frequently after an acute myocardial infarction (heart attack).

It is known that during ischemic events L-carnitine levels are depleted. Investigators sought to determine the effects of targeting cardiac metabolic pathways using L-carnitine to improve free fatty acid levels and glucose oxidation in these patients. By performing a systematic review and meta-analysis of the available studies published over several decades, they looked at the role of L-carnitine compared with placebo or control in patients experiencing an acute myocardial infarction.

L-carnitine is a trimethylamine which occurs in high amounts in red meat and is found in certain other foods, and is also widely available as an over-the-counter nutritional supplement which is claimed to improve energy, weight loss, and athletic performance. Its potential role in treating heart disease was first reported in the late 1970s.

A comprehensive literature search yielded 153 studies, 13, published from 1989-2007, were deemed eligible. All the trials were comparison trials of L-carnitine compared with placebo or control in the setting of acute myocardial infarction.

This systematic review of the 13 controlled trials in 3,629
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Contact: Rachael Zaleski
mcpmedia@elsevier.com
215-239-3658
Elsevier Health Sciences
Source:Eurekalert

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