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Relations of Central Hemodynamics and Aortic Stiffness with Left Ventricular Structure and Function: The Framingham Heart Study

Kaess, Bernhard M. ; Rong, Jian ; Larson, Martin G. ; Hamburg, Naomi M. ; Vita, Joseph A. ; Cheng, Susan ; Aragam, Jayashree ; Levy, Daniel ; Benjamin, Emelia J. ; Vasan, Ramachandran S. ; Mitchell, Gary F.

Journal of the American Heart Association, 2016-03, Vol.5 (3), p.e002693-n/a [Periódico revisado por pares]

England: John Wiley and Sons Inc

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Título:
Relations of Central Hemodynamics and Aortic Stiffness with Left Ventricular Structure and Function: The Framingham Heart Study
Autor: Kaess, Bernhard M. ; Rong, Jian ; Larson, Martin G. ; Hamburg, Naomi M. ; Vita, Joseph A. ; Cheng, Susan ; Aragam, Jayashree ; Levy, Daniel ; Benjamin, Emelia J. ; Vasan, Ramachandran S. ; Mitchell, Gary F.
Assuntos: Adult ; Aged ; aortic stiffness ; Arterial Pressure ; Diastole ; diastolic dysfunction ; Echocardiography, Doppler ; Female ; Hemodynamics ; Humans ; Least-Squares Analysis ; left ventricle geometry ; Male ; Manometry ; Massachusetts ; Middle Aged ; Multivariate Analysis ; Original Research ; Predictive Value of Tests ; Pulsatile Flow ; Pulse Wave Analysis - methods ; pulse wave velocity ; Risk Assessment ; Risk Factors ; Systole ; systolic dysfunction ; Vascular Stiffness ; Ventricular Dysfunction, Left - diagnosis ; Ventricular Dysfunction, Left - physiopathology ; Ventricular Function, Left
É parte de: Journal of the American Heart Association, 2016-03, Vol.5 (3), p.e002693-n/a
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Dr Vasan and Dr Mitchell contributed equally to this work.
Deceased.
Descrição: Background The differing relations of steady and pulsatile components of central hemodynamics and aortic stiffness with cardiac dimensions and function have not been fully elucidated. Methods and Results Central hemodynamics and carotid‐femoral pulse wave velocity (CFPWV, a measure of aortic stiffness) were measured by arterial tonometry in 5799 participants of the Framingham Heart Study (mean age 51 years, 54% women) and related to echocardiographic left ventricular (LV) dimensions and systolic and diastolic function using multivariable‐adjusted partial Pearson correlations. Mean arterial pressure (MAP, steady component of central blood pressure) was associated positively with LV wall thickness (r=0.168; P<0.0001) but showed only a weak direct association with LV diastolic dimension (r=0.035, P=0.006). Central pulse pressure (pulsatile component of central blood pressure) showed a direct correlation with both LV diastolic dimension and LV wall thickness (r=0.08 and 0.044, both P<0.0001 in multivariable models that included MAP). CFPWV was not associated with LV structure (all P≥0.27) in MAP‐adjusted models). Both MAP and CFPWV were associated inversely with LV diastolic function (E′; r=−0.140 and −0.153, respectively; both P<0.0001), and these associations persisted after additional adjustment for LV mass and central pulse pressure (r=−0.142 and −0.108, both P<0.0001). MAP and CFPWV were not associated with LV fractional shortening (P≥0.10), whereas central pulse pressure was positively related (r=0.064, P<0.0001). Conclusions Pulsatile and steady components of central pressure are conjointly yet variably related to LV structure. CFPWV is related to LV diastolic function but not to systolic function. Additional studies are warranted to confirm these observations.
Editor: England: John Wiley and Sons Inc
Idioma: Inglês

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Relations of Central Hemodynamics and Aortic Stiffness with Left Ventricular Structure and Function: The Framingham Heart Study

Kaess, Bernhard M. ; Rong, Jian ; Larson, Martin G. ; Hamburg, Naomi M. ; Vita, Joseph A. ; Cheng, Susan ; Aragam, Jayashree ; Levy, Daniel ; Benjamin, Emelia J. ; Vasan, Ramachandran S. ; Mitchell, Gary F.

England: John Wiley and Sons Inc

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