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Natural history of mild aortic valve disease untreated at the time of rheumatic mitral valve replacement

Authors
 Do Jung Kim  ;  Hyun-Chel Joo  ;  Seung-Hyun Lee  ;  Byung-Chul Chang  ;  Sak Lee 
Citation
 Interactive Cardiovascular and Thoracic Surgery, Vol.27(6) : 828-835, 2018 
Journal Title
 Interactive Cardiovascular and Thoracic Surgery 
ISSN
 1569-9293 
Issue Date
2018
Abstract
OBJECTIVES: The aim of this study was to examine long-term clinical outcomes and to assess the eventual need for aortic valve replacement (AVR) in patients with mild aortic valve disease (AVD) at the time of mitral valve replacement. METHODS: Between 1990 and 2015, 1231 patients undergoing mitral valve replacement were reviewed, stratifying subjects as those with AVD (n = 363) or without AVD (NA; n = 868). Primary end points were progressive AVD (grade ≥ II) and subsequent AVR. Overall mortality and valve-related complications served as secondary end points. Propensity score matching was used for risk adjustment (n = 320 in each group). RESULTS: No differences in postoperative complications or clinical outcomes were observed between groups. The 20-year overall survival was similar (before matching: NA 86.1% vs AVD 80.8%, P = 0.128; after matching: 83.5% vs 81.1%, P = 0.425). Of the entire cohort, progressive AVD was observed in 162 patients, and significant AVD (grade ≥ III) was observed in only 60 patients. Subsequent AVR was required in 37 patients due to mitral valve (MV) dysfunction or severe aortic stenosis. The 20-year freedom from significant AVD and subsequent AVR was significantly higher in the NA group than in the AVD group before and after matching (before: NA, 96.5% vs 73.7%, P < 0.001; AVD, 98.5% vs 82.3%, P < 0.001; after: 98.1% vs 73.3%, P < 0.001; 99.3% vs 82.5%, P < 0.001, respectively). CONCLUSIONS: Although progressive AVD did not significantly impact long-term survival during the follow-up period, those patients qualifying initially as mild AVD may eventually progress to significant AVD after the first 5 postoperative years. Therefore, aggressive echocardiography should be performed at 5-year lapse after mitral valve replacement to determine the appropriate timing of AVR.
Full Text
https://academic.oup.com/icvts/article-lookup/doi/10.1093/icvts/ivy176
DOI
10.1093/icvts/ivy176
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Thoracic and Cardiovascular Surgery (흉부외과학교실) > 1. Journal Papers
Yonsei Authors
이삭(Lee, Sak) ORCID logo https://orcid.org/0000-0001-6130-2342
이승현(Lee, Seung Hyun) ORCID logo https://orcid.org/0000-0002-0311-6565
장병철(Chang, Byung Chul)
주현철(Joo, Hyun Chel) ORCID logo https://orcid.org/0000-0002-6842-2942
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/166146
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