一键优化心脏再同步化治疗慢性心力衰竭的疗效观察

目的:观察一键优化心脏再同步化治疗(cardiac resynchronization therapy, CRT)慢性心力衰竭的中远期疗效.方法:14例心力衰竭患者接受CRT治疗,分别于置入前、置入术后3、6、12个月行一键优化治疗,同时行超声心动图(观察心腔结构、二尖瓣反流、主动脉射血速度时间积分)、心电图、脑钠素(BNP)检查等,评价CRT临床疗效.结果:一键优化最佳优化AV间期120～180(158.33±19.46)ms之间和VV间期4～28(15.83±7.12)ms之间,临床症状改善,6 min步行距离由(254.03±26.98)增加至(346.82±31.59)m,QRS时限由(134.64±16.48)ms降至(110.00±11.68)ms,P=0.001,P＜0.05.置入后左室舒张末内径较置入前明显缩小[(73.86±9.85)mm对(60.93±9.07)mm,P<0.05];左室射血分数提高[(0.29±0.04)对(0.52±0.09),P＜0.01];VTI(主动脉前向血流速度时间积分)由(16.41±3.71)增加至(21.83±4.80),P＜0.05;血浆BNP值由置入前(925.89±404.54)ng/L降至(77.57±16.52)ng/L,P＜0.05.结论:一键优化可以提高CRT对慢性心力衰竭患者中远期疗效.

Clinical effectiveness of cardiac resynchronization therapy optimized quickopt optimized for patients with congestive heart failure

Objective:To observe the short-term and mid-term effectiveness of cardiac resynchronization therapy(CRT) QuickOpt optimized for patients with congestive heart failure(CHF).Method:It is designed that 14 patients with refractory heart failure were advised to receive CRT device implantation and use CRT optimized QuickOpt after 3,6,12 months when CRT was divised,and then pacing parameters were tested,and AV/VV interval was optimized by the guidance of echocardiography during follow-up period.The effectiveness o...