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ORIGINAL ARTICLE  CARDIAC SECTION 

The Journal of Cardiovascular Surgery 2018 August;59(4):633-9

DOI: 10.23736/S0021-9509.18.10165-0

Copyright © 2018 EDIZIONI MINERVA MEDICA

language: English

Outcomes of Solo Smart valve in a single-center experience of 270 patients

Hao LIU 1, 2, Abbas KHANI-HANJANI 1, Siyuan YANG 1, 3, Wei WANG 1, Surita SIDHU 4, John MULLEN 1, Dennis MODRY 1, Shaohua WANG 1

1 Division of Cardiac Surgery, Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada; 2 Cardiothoracic Department, Xinhua Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China; 3 Department of Cardiac Surgery, Affiliated Hospital of Guiyang Medical College, Guiyang, Guizhou, China; 4 Department of Anesthesiology and Pain Medicine, Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada


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BACKGROUND: The Solo Smart pericardial aortic valve has been widely used in Europe as an option for aortic valve replacement (AVR). We are reporting early and midterm clinical outcomes of AVR with the Solo Smart valve in a single North America center.
METHODS: This is a retrospective study of 270 consecutive patients who had AVR at Mazankowski Alberta Heart Institute from February 2011 to March 2015. Follow-up and echocardiographic data were collected retrospectively from electronic and paper charts. Univariate and multivariate analysis were performed to evaluate the results.
RESULTS: The mean age was 71.2±10.0 years, 67.4% were male, and 79.3% had combined procedures. Mean STS Score was 4.18±3.91. Early mortality was 3.7% for the entire group and 0% for isolated AVR group. Mean cross-clamp time for isolated AVR and AVR with concomitant procedure was 70.8±12.7 min and 117.0±45.0 min, respectively. Permanent pacemaker implantation was necessary in 2.2% of patients. Echocardiography demonstrated a reduction in mean gradients from 40.8±17.4 mmHg to 7.6±3.7 mmHg and peak gradient from 72.5±48.8 mmHg to 15.5±7.5 mmHg. The 1-, 3-, and 5-year overall survival was 93.0%, 86.5% and 75.9%, respectively. At 5 years, freedom from valve-related death was 92.4%, freedom from structural valve deterioration and freedom from aortic valve reoperation were 96.4% and 98%, respectively.
CONCLUSIONS: The Solo Smart valve is safe and has excellent hemodynamic performance. Aortic valve reoperation and rates of valve-related adverse events during midterm follow-up were low.


KEY WORDS: Transcatheter aortic valve replacement - Bioprosthesis - Cardiac surgical procedures

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