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The role of folic acid in the prevention of cardiovascular disease.

机译:叶酸在预防心血管疾病中的作用。

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摘要

Coronary heart disease is the leading cause of death in the developed world. Current surgical and pharmacological interventions are essentially palliative and interest in preventive strategies, particularly through nutrition and avoidance of tobacco has increased in recent years. Basic scientific, clinical and epidemiological evidence indicates a positive association between the plasma level of the amino acid homocysteine and vascular disease. Homocysteine levels are inversely related to both intake and plasma levels of folate. Less strong evidence indicates an inverse relationship between folate intake and coronary heart disease risk. It is likely that current estimates of dietary folate requirements are lower than optimal. Folic acid supplementation reliably reduces homocysteine levels, and may also modify endothelial function independent of this effect on homocysteine. Such treatment is cheap and appears to be essentially free of risk. However, until present randomised control trials are complete, it will not be known definitively whether or not increasing folate intake reduces cardiovascular risk.
机译:冠心病是发达国家的主要死亡原因。当前的外科手术和药物干预基本上是姑息疗法,并且对预防策略的关注尤其是通过营养和避免吸烟在近年来有所增加。基本的科学,临床和流行病学证据表明,氨基酸高半胱氨酸的血浆水平与血管疾病之间呈正相关。同型半胱氨酸水平与叶酸的摄入量和血浆水平成反比。证据不足表明叶酸摄入与冠心病风险呈反比关系。当前对饮食中叶酸需求的估计可能低于最佳水平。叶酸补充剂可以可靠地降低高半胱氨酸水平,并且还可以独立于对高半胱氨酸的这种影响而修饰内皮功能。这样的治疗很便宜并且似乎基本上没有风险。但是,直到目前的随机对照试验完成,才能确切确定增加叶酸摄入量是否会降低心血管疾病的风险。

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