Impact of Atrial Fibrillation on Tricuspid and Mitral Annular Dilatation and Valvular Regurgitation

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概要

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• To investigate the effects of atrial fibrillation (AF) on the mitral and tricuspid valves, the corresponding annular dilatation and valvular regurgitation were compared with 2-dimensional and Doppler echocardiography in 31 consecutive patients with lone AF and 28 normal controls. Mid-systolic mitral and tricuspid annular areas were measured from 2 diameters in 2 orthogonal apical echocardiograms. Percent (%) mitral regurgitant (MR) or tricuspid regurgitant (TR) jet area to the left or right atrial area was evaluated and % MR or TR jet area >20% was considered moderate or significant. Both the mitral and tricuspid annular areas in patients with lone AF were significantly larger compared with the controls (mitral: 9.5±1.2 vs 6.6±0.9cm^2, lone AF vs control, p<0.01) (tricuspid: 12.0±2.0 vs 7.5±0.9cm^2, p<0.01). The % increase in the annular area relative to the mean normal value was significantly greater in the tricuspid valve (44±18 vs 60±28%, p<0.01). Moderate or severe MR was not observed and the incidence of moderate or severe valve regurgitation (% jet area >20%) was significantly higher in the tricuspid valve (0/31 vs 11/31, MR vs TR, p<0.01) in patients with lone AF. The % TR jet area showed significant correlation with tricuspid annular area (r^2=0.65, p<0.001). Lone AF is associated with annular dilatation of both mitral and tricuspid valves, but the annular dilatation and valvular regurgitation are significantly greater in the tricuspid valve. (Circ J 2002; 66: 913-9 16)

• 2002-09-20

著者

• Yoshifuku Shiro

  Department Of Cardiovascular Respiratory & Metabolic Medicine Graduate School Of Medicine Kagosh

• TEI Chuwa

  First Department of Internal Medicine, Kagoshima University Graduate School of Medical and Dental Sc

• OTSUJI Yutaka

  First Department of Internal Medicine, Faculty of Medicine, Kagoshima University

• Zhou Xiaoyan

  First Department of Internal Medicine, Kagoshima University School of Medicine

• Yoshifuku Shiro

  First Department of Internal Medicine, Kagoshima University School of Medicine

• Yuasa Toshinori

  First Department of Internal Medicine, Kagoshima University School of Medicine

• Zhang Hui

  First Department of Internal Medicine, Kagoshima University School of Medicine

• Takasaki Kunitsugu

  First Department of Internal Medicine, Kagoshima University School of Medicine

• Matsukida Keiko

  First Department of Internal Medicine, Kagoshima University School of Medicine

• Kisanuki Akira

  First Department of Internal Medicine, Kagoshima University School of Medicine

• Minagoe Shinichi

  First Department of Internal Medicine, Kagoshima University School of Medicine

• Zhang Hui

  Department Of Cardiovascular Respiratory And Metabolic Medicine Graduate School Of Medicine Kagoshim

• Zhou Xiaoyan

  Department Of Cardiovascular Respiratory And Metabolic Medicine Graduate School Of Medicine Kagoshim

• Saitou Yoshihiko

  The First Department Of Internal Medicine Nara Medical School

• Matsukida Keiko

  First Department Of Internal Medicine Kagoshima University School Of Medicine

• Tei Chuwa

  First Department Of Internal Medicine Faculty Of Medicine Kagoshima University

• Takasaki Kunitsugu

  Department Of Cardiovascular Respiratory And Metabolic Medicine Graduate School Of Medicine Kagoshim

• Otsuji Yutaka

  First Department Of Internal Medicine Faculty Of Medicine Kagoshima University

• Yamashita Tsuminori

  Department Of Cardiology Kagoshima Medical Association Hospital

• Kobayashi Akira

  Department Of Thoracic And Cardiovascular Surgery Kagoshima University Graduate School Of Medicine A

• Kisanuki Akira

  Department Of Cardiovascular Respiratory And Metabolic Medicine Graduate School Of Medicine Kagoshima University

• Yuasa Toshinori

  First Department of Internal Medicine, Faculty of Medicine, Kagoshima University

• Minagoe Shinichi

  First Department of Internal Medicine, Faculty of Medicine, Kagoshima University

• Yoshifuku Shiro

  First Department of Internal Medicine, Faculty of Medicine, Kagoshima University

• Takasaki Kunitsugu

  First Department of Internal Medicine, Faculty of Medicine, Kagoshima University

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