拜新同不增加心率?优于络活喜РINSIGHT试验:拜新同降压达标不增加患者心率Р心率Р舒张压Р收缩压Р拜新同组?利尿剂组РMorris J Brown, Christopher R Palmer, Alain Castaigne, et al. Lancet 2000; 356: 366–72Р由于对照组使用了更多β受体阻滞剂Р拜新同组Р对照组Рβ受体阻滞剂Р3032 (79%)Р3066 (80%)РACE抑制剂Р771 (20%)Р792 (21%)РARBР90 (2%)Р93 (2%)Р利尿剂Р432 (11%)Р447 (12%)РPoole-Wilson PA, Lubsen J, Kirwan B-A, et al. Lancet 2004;364:849–57.РACTION试验:为何拜新同组患者心率较安慰剂组增加1 次/分РASCOT-BPLA试验:?氨氯地平组患者的脉率显著增加11.2 bpmР在最后一次随访时,以氨氯地平为基础治疗组患者的脉率显著增加11.2 bpm[SD 12·2]; P<0·0001РBjorn Dahlof, Peter S Sever, Neil R Poulter, et al. Lancet 2005; 366: 895–906Р拜新同®不引起儿茶酚胺升高,优于氨氯地平Р200Р首次给药Р用药6周后Р250Р300Р350Р400Р150РP > 0.05РP < 0.05Р拜新同® n=22Р氨氯地平 n=22Р血浆去甲肾上腺素浓度(pg/ml)Р200Р250Р300Р350Р400Р150Р首次给药Р用药6周后Р血浆去甲肾上腺素浓度(pg/ml)РJacques de champlain, et al. Journal of Hypertension. 1998; 16: 1357-1369