Acute haemodynamic changes after percutaneous mitral valve repair: relation to mid-term outcomes

被引:86
作者
Gaemperli, Oliver [1 ]
Moccetti, Marco [1 ,2 ]
Surder, Daniel [1 ,2 ]
Biaggi, Patric
Hurlimann, David
Kretschmar, Oliver [1 ]
Buehler, Ines [1 ]
Bettex, Dominique [3 ]
Felix, Christian [3 ]
Luscher, Thomas F. [1 ]
Falk, Volkmar
Grunenfelder, Jurg
Corti, Roberto [1 ]
机构
[1] Univ Zurich Hosp, Cardiovasc Ctr, Andreas Gruntzig Cardiac Catheterizat Labs, CH-8091 Zurich, Switzerland
[2] Cardioctr Ticino, Lugano, Switzerland
[3] Univ Zurich Hosp, Dept Anesthesiol, CH-8091 Zurich, Switzerland
关键词
EUROSCORE MULTINATIONAL DATABASE; EUROPEAN CARDIAC-SURGERY; VALVULAR HEART-DISEASE; MYOCARDIAL-INFARCTION; RISK-FACTORS; SHORT-TERM; REGURGITATION; REPLACEMENT; DYSFUNCTION; GUIDELINES;
D O I
10.1136/heartjnl-2011-300705
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background Percutaneous mitral valve repair (MVR) using the Evalve MitraClip has been recently introduced as a potential alternative to surgical MVR. Objective To assess immediate haemodynamic changes after percutaneous MVR using right heart catheterisation. Design Single-centre longitudinal cohort study. Setting Tertiary referral centre. Patients Fifty consecutive non-surgical patients (age 74 +/- 14 years, EuroSCORE 26 +/- 14) with moderate to severe (3+) and severe (4+) mitral regurgitation (MR) due to functional (56%), degenerative (30%) or mixed (14%) disease were selected. Interventions MitraClip implantation was performed under general anaesthesia with fluoroscopy and echocardiographic guidance. Haemodynamic variables were obtained before and after MVR using standard right heart catheterisation and oximetry. Main outcome measures Haemodynamic changes immediately before and after MVR. Results Acute procedural success (reduction in MR to grade 2+ or less) was achieved in 46 (92%) patients. Mitral valve clipping reduced mean pulmonary capillary wedge pressure (mPCWP) (from 17 +/- 7 to 12 +/- 5 mm Hg), PCWP v-wave (from 24 +/- 11 to 16 +/- 7 mm Hg) and mean pulmonary artery pressure (mPAP) (from 29 +/- 12 to 24 +/- 6 mm Hg), and increased the cardiac index (CI) (from 3.1 +/- 1.0 to 3.9 +/- 1.1 l/min/m 2) (all p<0.05). On Cox univariate regression analysis, mPCWP, PCWP v-wave-and mPAP-changes were associated with death, open-heart surgery for MR and/or hospitalisation for heart failure on follow-up. Conclusion In a heterogeneous population with predominantly functional MR, percutaneous MVR with the Evalve MitraClip system lowers mPCWP, PCWP v-wave and mPAP by 20%, 20% and 8%, respectively, and increases the CI by 32%.
引用
收藏
页码:126 / 132
页数:7
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