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THE JOURNAL OF CARDIOVASCULAR SURGERY

Rivista di Chirurgia Cardiaca, Vascolare e Toracica


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ORIGINAL ARTICLE  CARDIAC SECTION


The Journal of Cardiovascular Surgery 2018 February;59(1):121-7

DOI: 10.23736/S0021-9509.17.09902-5

Copyright © 2017 EDIZIONI MINERVA MEDICA

lingua: Inglese

Recurrent mitral paravalvular leak: benefits of leak site repair compared to re-replacement

Jae W. CHOI, Ho Y. HWANG, Kyung H. KIM, Ki-Bong KIM, Hyuk AHN

Department of Thoracic and Cardiovascular Surgery, Seoul National University Hospital, Seoul, South Korea


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BACKGROUND: Mitral paravalvular leak (PVL) recurrence after surgical correction has not been well demonstrated. The aims of this study were to evaluate the long-term results of surgical mitral PVL correction, including recurrent PVL, and to elucidate the factors - including surgical technique - that affect the risk of recurrent PVL.
METHODS: Eighty-six patients who underwent surgical treatment for mitral PVL were enrolled in this study. Thirty-six patients underwent leak site repair (MVP group), and 50 patients underwent re-replacement (MVR group). Leak site repair was the preferred method and was performed whenever possible. The mean follow-up duration was 58.6±44.1 months (0.1-156.5 months).
RESULTS: Operative mortality occurred in 7 patients (8.1%). There were no significant differences in operative mortality or postoperative complications between the groups. Overall survival rates at 5 and 10 years were 67.9% and 48.3%, respectively, without intergroup differences. Recurrent PVL without any evidence of infective endocarditis was found in 25 patients (29.1%). Five- and 10-year PVL-free rates were 69.9% and 18.3%, respectively. The mortality rate of reoperation for recurrent PVL was 35.2% (6/17). The risk factors of recurrent PVL were the MVR group (hazard ratio: 2.865, 95% CI: 1.077-7.619) and presence of extensive dehiscence (>25% of annulus: 2.861, 95% CI: 1.163-7.038).
CONCLUSIONS: Recurrent PVL was not infrequent after surgical correction of mitral PVL, and reoperation may be a high-risk procedure. Leak site repair, if it could be performed, would be a good surgical option for mitral PVL because re-replacement was a risk factor for recurrence of PVL.


KEY WORDS: Mitral valve annuloplasty - Heart valve prosthesis implantation - Adverse effects - Hospital mortality

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Publication History

Issue published online: November 28, 2017
Article first published online: May 26, 2017
Manuscript accepted: May 23, 2017
Manuscript revised: May 4, 2017
Manuscript received: February 7, 2017

Per citare questo articolo

Choi JW, Hwang HY, Kim KH, Kim KB, Ahn H. Recurrent mitral paravalvular leak: benefits of leak site repair compared to re-replacement. J Cardiovasc Surg 2018;59:121-7. DOI: 10.23736/S0021-9509.17.09902-5

Corresponding author e-mail

ahnhyuk@snu.ac.kr