Elevated augmentation index derived from peripheral arterial tonometry is associated with abnormal ventricular-vascular coupling

Summary Background: Although typically derived from the contour of arterial pressure waveform, augmentation index (AIx) may also be derived from the digital pulse volume waveform using finger plethysmography (peripheral arterial tonometry, PAT). Little is known regarding the physiologic correlates...

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Veröffentlicht in:	Clinical physiology and functional imaging 2010-09, Vol.30 (5), p.313-317
Hauptverfasser:	Heffernan, Kevin S., Patvardhan, Eshan A., Hession, Michael, Ruan, Jenny, Karas, Richard H., Kuvin, Jeffrey T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Arteries - physiopathology Augmentation augmentation index Biological and medical sciences Blood Pressure Chi-Square Distribution Correlation Coupling Diastole Echocardiography Echocardiography, Doppler effective arterial elastance Elasticity Female Fingers - blood supply Fundamental and applied biological sciences. Psychology Heart rate Humans Joining left ventricular end-systolic elastance Male Manometry Middle Aged Optimization PAT Patients Plethysmography Predictive Value of Tests Stroke Volume Systole Systolic pressure Ventricle Ventricular Dysfunction, Left - diagnostic imaging Ventricular Dysfunction, Left - physiopathology Ventricular Function, Left Ventricular Pressure Vertebrates: anatomy and physiology, studies on body, several organs or systems Waveforms
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