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Interact CardioVasc Thorac Surg 2009;9:431-436. doi:10.1510/icvts.2009.207134
© 2009 European Association of Cardio-Thoracic Surgery
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Zhe Zheng
Wei Feng
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Institutional report - Cardiac general

Surgery of left ventricular aneurysm: a propensity score-matched study of outcomes following different repair techniques{star}

Zhe Zheng1, Hongguang Fan1, Wei Feng, Shiju Zhang, Xin Yuan, Liqing Wang, Yunhu Song and Shengshou Hu*

Department of Cardiovascular Surgery and Research Center for Cardiovascular Regenerative Medicine, Cardiovascular Institute and Fuwai Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, 167A Beilishi Road, Xi Cheng District, Beijing 100037, People's Republic of China

*Corresponding author. Tel.: +86-10-88398847; fax: +86-10-88396051.

E-mail address: shengshouhu{at}yahoo.com (S. Hu).

To evaluate early and late outcomes of modified left ventricular reconstruction (VR) and linear repair (LR) of post-infarct left ventricular aneurysm (LVA). A total of 514 patients were consecutively operated on for LVA with modified VR technique in 145 and LR in 352 patients. Using the propensity score-matching method, we selected 202 patients (101 LRs vs. 101 VRs) with similar pre- and intra-operative characteristics and compared their clinical outcomes. After matching, the two groups of patients were similar with regard to baseline data. The increment of left ventricular ejection fraction (LVEF) in VR group was more significant than that in LR group. Operative mortality was 2.0% (2.0% LRs vs. 2.0% VRs, P=NS). There was a statistically significant difference between LR and VR patients in MACCEs (29.7% LRs vs. 13.9% VRs, P<0.01) and hospital readmissions (51.5% LRs vs. 30.7% VRs, P<0.01). Overall long-term mortality and cardiac mortality were the same between the two groups (mortality: 11.9% LRs vs. 11.9% VRs, P=NS; cardiac mortality: 9.9% LRs vs. 7.9% VRs, P=NS). The technique of repairing LVA did not affect the early and later mortality.

Key Words: Left ventricular aneurysm; Linear repair; Left ventricular reconstruction; Propensity score

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