二氢吡啶衍生物费罗地平是血管选择性钙拮抗剂,缓释制剂一天用药一次,病人能很好地耐受。 方法 采用前瞻性、单中心、双盲、随机、安慰剂对照的交叉研究。46例病人中,男性32例,女性14例。条件是:年龄>65岁(平均72岁);窦性心律;稳定型心绞痛NYHAⅡ～Ⅲ级);运动试验可重复诱发限 Dihydropyridine derivatives Ferrozepin is a vascular selective calcium antagonist, sustained-release preparations once a day, the patient can well tolerate. Methods A prospective, single-center, double-blind, randomized, placebo-controlled crossover study was performed. Of the 46 patients, 32 were male and 14 were female. Conditions are: age> 65 years (average 72 years); sinus rhythm; stable angina NYHA Ⅱ ~ Ⅲ); exercise test repeatable induction limit