自１９９０年，Ｎａｋａｋｉ等［１］首次报道左旋精氨酸（Ｌ－Ａｒｇ）的降压作用以来，不少人对其进行了实验及临床研究。但由于其机理仍有不甚明了之处，实验结果也不尽一致，以致于临床应用受到一定影响。在此，作者仅就有关问题的近期研究情况作一综述。１Ｌ－Ａｒｇ... Since 1990, Nakaki et al [1] first reported that L-arginine (L-Arg) antihypertensive effect, many people conducted its experimental and clinical studies. However, due to its mechanism is still not clear, the experimental results are not the same, so that the clinical application of a certain impact. Here, the author only reviews the recent research on the issue. 1L-Arg ...