1、冠状静脉解剖造影及冠状静脉解剖造影及CRTCRT心电图左室电极影像心电图左室电极影像v左室机械收缩效率的左室机械收缩效率的提高使血流动力学得提高使血流动力学得到急性改善到急性改善v改善室内的不同步改善室内的不同步v改善左右室的不同步改善左右室的不同步v改善改善“室壁室壁”不同阶不同阶段的不同步段的不同步v逆转左室重构逆转左室重构v逆转左房重构逆转左房重构v减少二尖瓣反流减少二尖瓣反流v使神经体液因素恢复使神经体液因素恢复正常正常v改善心血管自主神经改善心血管自主神经的调节的调节房室、室间、室内不同步是部分患者房室、室间、室内不同步是部分患者心衰产生、进展、恶化的重要原因!心衰产生、进展、恶化的
2、重要原因!v对术者重要性1.手术难易及成败2.手术疗效v对管床医生重要性1.术前谈话、预判手术难易2.观察术后主要并发症-电极移位脱位v对影像科医生重要性1.协助筛选合适病人2.术后为临床尽早预警电极移位脱位3.协助临床优化参数、改善疗效v右心房电极:右心耳尖部及基底部、右房侧壁、右房间隔v右心室电极:右室心尖部、右室基底部、右室流出道v左心室电极:左室侧静脉、左室后侧静脉、左室前侧静脉、心大静脉、心中静脉、心外膜左室侧壁或前侧壁冠状窦开口冠状窦开口 心中静脉心中静脉 心后静脉心后静脉 后侧静脉后侧静脉 心大静脉心大静脉侧静脉侧静脉 前侧静脉前侧静脉 Standard multidetecto
3、r computed tomography angiogram(Brilliance16P scanner)delineating the coronary venous branches in closeproximity to the coronary arteries.No appreciable posterior or posterolateral vein.The lateral marginal vein seems to be diminutive.Conventional branches are labeled as follows:LV lateral marginal
4、vein;MV middle cardiac vein;CS coronary sinus;PDA posterior descending coronary artery.Rotational venous angiogram,with still frames in anteroposterior(A)and left anterior oblique 30(B).PV posterior vein;MV middle cardiacvein;GV great cardiac vein;AV,anterior cardiac vein.Alongside are three-dimensi
5、onal reconstructed images of the coronary venous tree,facilitatingsegmental visualization of the coronary venous anatomy.The coronary venous ring is divisible into three segments:posterior(C),lateral(B),and anterior(A),in both views.(B)The mid-ventricular position of a lateral segmental branch(1),cl
6、osely corresponding to the second-order lateral tributary from ananterior segmental branch,extending over the mid-ventricular region(2).41954196419441934193419441954196头端电极直径5.4 Fr5.4 Fr5.3 Fr4.6 Fr环状电极直径N/A5.5 FrN/A5.1 Fr术后(术后(2011.06.032011.06.03)CR 0.55术前(术前(2011.05.202011.05.20)CR 0.66术后(术后(2011
7、.09.082011.09.08)CR 0.51LV 7.3cmEF 18%LVESV 149ml病例介绍CRT超反应者术前心脏三维超声(2011.05.26)LV 5.8cmEF 28%LVESV 100ml病例介绍CRT超反应者术后心脏三维超声(2011.06.07)术中影像AP+LAO术后3月胸片AP+LAO术中影像AP术中影像LAO术后8个月胸片AP+LAO术后一周胸片AP+LAO敏感性94%特异性93%郭继鸿术中一周心电图术后7个月心电图术后一周ECG术后8个月ECGv术毕透视与术中对比v术后起搏心电图变化v程控测试时参数显著变化v复查胸片,对比左室电极位置既能火眼金睛及时发现左室电极异常,又能避免谎报军情、草木皆兵!胸片非常重要,要重视、重视、再重视vThanks for your attention!