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Long-Term Results of the Leaflet Extension Technique for Rheumatic Aortic Regurgitation: A 20-Year Follow-up

The Korean journal of thoracic and cardiovascular surgery, 2019-02, Vol.52 (1), p.9-15

Copyright © 2019 by The Korean Society for Thoracic and Cardiovascular Surgery. All rights Reserved. 2019 ;ISSN: 2233-601X ;EISSN: 2093-6516 ;DOI: 10.5090/KJTCS.2019.52.1.9 ;PMID: 30834212

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  • Title:
    Long-Term Results of the Leaflet Extension Technique for Rheumatic Aortic Regurgitation: A 20-Year Follow-up
  • Author: Kwak, Yu-Jin ; Ahn, Hyuk ; Choi, Jae Woong ; Kim, Kyung-Hwan
  • Subjects: Aortic valve regurgitation ; Clinical Research ; Leaflet extension ; regurgitation ; Rheumatic diseases
  • Is Part Of: The Korean journal of thoracic and cardiovascular surgery, 2019-02, Vol.52 (1), p.9-15
  • Description: Although aortic valve repair can reduce prosthesis-related complications, rheumatic aortic regurgitation (AR) caused by leaflet restriction is a significant risk factor for recurrent AR. In this study, we evaluated the long-term results of the leaflet extension technique for rheumatic AR. Between 1995 and 2016, 33 patients underwent aortic valve repair using the leaflet extension technique with autologous pericardium for rheumatic pure AR. Twenty patients had severe AR and 9 had combined moderate or greater mitral regurgitation. Their mean age was 32.2±13.9 years. The mean follow-up duration was 18.3±5.8 years. There were no cases of operative mortality, but postoperative complications occurred in 5 patients. Overall survival at 10 and 20 years was 93.5% and 87.1%, respectively. There were no thromboembolic cerebrovascular events, but 4 late deaths occurred, as well as a bleeding event in 1 patient who was taking warfarin. Twelve patients underwent aortic valve reoperation. The mean interval to reoperation was 13.1±6.1 years. Freedom from reoperation at 10 and 20 years was 96.7% and 66.6%, respectively. The long-term results of the leaflet extension technique showed acceptable durability and a low incidence of thromboembolic events and bleeding. The leaflet extension technique may be a good option for young patients with rheumatic AR.
  • Publisher: Korea (South): The Korean Society for Thoracic and Cardiovascular Surgery
  • Language: English
  • Identifier: ISSN: 2233-601X
    EISSN: 2093-6516
    DOI: 10.5090/KJTCS.2019.52.1.9
    PMID: 30834212
  • Source: PubMed Central
    Alma/SFX Local Collection
    KoreaMed Open Access
    DOAJ Directory of Open Access Journals

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