Korean Journal of Radiology

  • 제17권4호
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  • Pages.463-471
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  • 2016
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  • 1229-6929(pISSN)
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  • 2005-8330(eISSN)
대한영상의학회 (The Korean Society of Radiology)
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DOI QR Code

Morphological and Functional Evaluation of Quadricuspid Aortic Valves Using Cardiac Computed Tomography

  • Song, Inyoung (Department of Radiology, Konkuk University Medical Center, Konkuk University School of Medicine) ;
  • Park, Jung Ah (Department of Radiology, Konkuk University Medical Center, Konkuk University School of Medicine) ;
  • Choi, Bo Hwa (Department of Radiology, Konkuk University Medical Center, Konkuk University School of Medicine) ;
  • Ko, Sung Min (Department of Radiology, Konkuk University Medical Center, Konkuk University School of Medicine) ;
  • Shin, Je Kyoun (Department of Thoracic Surgery, Konkuk University Medical Center, Konkuk University School of Medicine) ;
  • Chee, Hyun Keun (Department of Thoracic Surgery, Konkuk University Medical Center, Konkuk University School of Medicine) ;
  • Kim, Jun Seok (Department of Thoracic Surgery, Konkuk University Medical Center, Konkuk University School of Medicine)
  • 투고 : 2015.11.21
  • 심사 : 2016.04.12
  • 발행 : 2016.07.01
⟨ 이전 논문 다음 논문 ⟩

초록

Objective: The aim of this study was to identify the morphological and functional characteristics of quadricuspid aortic valves (QAV) on cardiac computed tomography (CCT). Materials and Methods: We retrospectively enrolled 11 patients with QAV. All patients underwent CCT and transthoracic echocardiography (TTE), and 7 patients underwent cardiovascular magnetic resonance (CMR). The presence and classification of QAV assessed by CCT was compared with that of TTE and intraoperative findings. The regurgitant orifice area (ROA) measured by CCT was compared with severity of aortic regurgitation (AR) by TTE and the regurgitant fraction (RF) by CMR. Results: All of the patients had AR; 9 had pure AR, 1 had combined aortic stenosis and regurgitation, and 1 had combined subaortic stenosis and regurgitation. Two patients had a subaortic fibrotic membrane and 1 of them showed a subaortic stenosis. One QAV was misdiagnosed as tricuspid aortic valve on TTE. In accordance with the Hurwitz and Robert's classification, consensus was reached on the QAV classification between the CCT and TTE findings in 7 of 10 patients. The patients were classified as type A (n = 1), type B (n = 3), type C (n = 1), type D (n = 4), and type F (n = 2) on CCT. A very high correlation existed between ROA by CCT and RF by CMR (r = 0.99) but a good correlation existed between ROA by CCT and regurgitant severity by TTE (r = 0.62). Conclusion: Cardiac computed tomography provides comprehensive anatomical and functional information about the QAV.

키워드

과제정보

연구 과제 주관 기관 : Konkuk University

참고문헌

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피인용 문헌

  1. Prevalence, multimodality imaging characterization, and mid-term prognosis of quadricuspid aortic valves: an analysis of eight cases, based on 160 004 exams performed during 12 years in a tertiary car vol.22, pp.7, 2021, https://doi.org/10.1093/ehjci/jeaa355