Prognostic value of the atrial systolic mitral annular motion velocity in patients with left ventricular systolic dysfunction
Transmitral flow velocity variables are powerful predictors of poor prognosis in patients with left ventricular (LV) systolic dysfunction. However, these variables may not accurately reflect the severity of pulmonary congestion. This study was designed to determine whether the peak atrial systolic m...
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Published in | Journal of the American Society of Echocardiography Vol. 16; no. 4; p. 333 |
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Main Authors | , , , , , , , |
Format | Journal Article |
Language | English |
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United States
01.04.2003
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Abstract | Transmitral flow velocity variables are powerful predictors of poor prognosis in patients with left ventricular (LV) systolic dysfunction. However, these variables may not accurately reflect the severity of pulmonary congestion. This study was designed to determine whether the peak atrial systolic mitral annular motion velocity (MA-Aw) measured by pulsed Doppler tissue imaging can predict cardiac death or hospitalization for worsening heart failure in patients with LV systolic dysfunction.
MA-Aw was recorded in 96 patients with LV systolic dysfunction who were followed up for 29 +/- 10 months. All patients underwent Doppler echocardiography on entry into the study, and cardiac catheterization was performed in 45 patients. Patients were divided into 3 groups on the basis of the ratio of early (E) to late (A) diastolic filling (E/A) of the transmitral flow velocity: group 1 (n=31; E/A < 1); group 2 (n=37; 1 < or = E/A < 2); and group 3 (n=28; E/A > or = 2).
During follow-up, 36 patients (38%) died of cardiac causes and 34 (35%) were hospitalized for worsening heart failure. There were 2 cardiac deaths (6%) in group 1, 14 (39%) in group 2, and 20 (56%) in group 3. The MA-Aw correlated closely with the mean pulmonary capillary wedge pressure. Univariate Cox model analysis showed that MA-Aw < or = 5 cm/s was the most powerful predictor of cardiac death or hospitalization for worsening heart failure compared with clinical, hemodynamic, and the other echocardiographic variables. Furthermore, MA-Aw < or = 5 cm/s was clearly discernible as a good predictor of cardiac mortality on multivariate Cox model and as assessed by Kaplan-Meier method.
The MA-Aw obtained by pulsed Doppler tissue imaging is a sensitive index of pulmonary congestion in patients with LV systolic dysfunction. It is a simple and noninvasive outcome measure and can be used to monitor treatment. |
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AbstractList | Transmitral flow velocity variables are powerful predictors of poor prognosis in patients with left ventricular (LV) systolic dysfunction. However, these variables may not accurately reflect the severity of pulmonary congestion. This study was designed to determine whether the peak atrial systolic mitral annular motion velocity (MA-Aw) measured by pulsed Doppler tissue imaging can predict cardiac death or hospitalization for worsening heart failure in patients with LV systolic dysfunction.
MA-Aw was recorded in 96 patients with LV systolic dysfunction who were followed up for 29 +/- 10 months. All patients underwent Doppler echocardiography on entry into the study, and cardiac catheterization was performed in 45 patients. Patients were divided into 3 groups on the basis of the ratio of early (E) to late (A) diastolic filling (E/A) of the transmitral flow velocity: group 1 (n=31; E/A < 1); group 2 (n=37; 1 < or = E/A < 2); and group 3 (n=28; E/A > or = 2).
During follow-up, 36 patients (38%) died of cardiac causes and 34 (35%) were hospitalized for worsening heart failure. There were 2 cardiac deaths (6%) in group 1, 14 (39%) in group 2, and 20 (56%) in group 3. The MA-Aw correlated closely with the mean pulmonary capillary wedge pressure. Univariate Cox model analysis showed that MA-Aw < or = 5 cm/s was the most powerful predictor of cardiac death or hospitalization for worsening heart failure compared with clinical, hemodynamic, and the other echocardiographic variables. Furthermore, MA-Aw < or = 5 cm/s was clearly discernible as a good predictor of cardiac mortality on multivariate Cox model and as assessed by Kaplan-Meier method.
The MA-Aw obtained by pulsed Doppler tissue imaging is a sensitive index of pulmonary congestion in patients with LV systolic dysfunction. It is a simple and noninvasive outcome measure and can be used to monitor treatment. |
Author | Oki, Takashi Wakatsuki, Tetsuzo Yamamoto, Takashi Ito, Susumu Tanaka, Hideji Tabata, Tomotsugu Ishimoto, Takeo Yamada, Hirotsugu |
Author_xml | – sequence: 1 givenname: Takashi surname: Yamamoto fullname: Yamamoto, Takashi organization: Second Department of Internal Medicine, School of Medicine, The University of Tokushima, Japan – sequence: 2 givenname: Takashi surname: Oki fullname: Oki, Takashi – sequence: 3 givenname: Hirotsugu surname: Yamada fullname: Yamada, Hirotsugu – sequence: 4 givenname: Hideji surname: Tanaka fullname: Tanaka, Hideji – sequence: 5 givenname: Takeo surname: Ishimoto fullname: Ishimoto, Takeo – sequence: 6 givenname: Tetsuzo surname: Wakatsuki fullname: Wakatsuki, Tetsuzo – sequence: 7 givenname: Tomotsugu surname: Tabata fullname: Tabata, Tomotsugu – sequence: 8 givenname: Susumu surname: Ito fullname: Ito, Susumu |
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Snippet | Transmitral flow velocity variables are powerful predictors of poor prognosis in patients with left ventricular (LV) systolic dysfunction. However, these... |
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SubjectTerms | Blood Flow Velocity Cardiac Catheterization Echocardiography, Doppler Female Heart Failure - diagnostic imaging Heart Failure - etiology Heart Failure - physiopathology Humans Male Middle Aged Mitral Valve - diagnostic imaging Mitral Valve - physiopathology Mitral Valve Insufficiency - complications Mitral Valve Insufficiency - diagnostic imaging Mitral Valve Insufficiency - physiopathology Observer Variation Prognosis Pulmonary Wedge Pressure - physiology Survival Analysis Systole Ventricular Dysfunction, Left - complications Ventricular Dysfunction, Left - diagnostic imaging Ventricular Dysfunction, Left - physiopathology |
Title | Prognostic value of the atrial systolic mitral annular motion velocity in patients with left ventricular systolic dysfunction |
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