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Clin Exp Hypertens. 2013;35(6):401-11. doi: 10.3109/10641963.2012.739235. Epub 2012 Nov 7.

Alterations in early filling dynamics predict the progression of compensated pressure overload hypertrophy to heart failure better than abnormalities in midwall systolic shortening.

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Clinica Medica II, Department of Internal Medicine, Fondazione IRCCS Policlinico San Matteo, University of Pavia , Pavia , Italy.


To evaluate whether the evolution of compensated pressure overload hypertrophy (POH) to overt heart failure (HF) is better predicted by systolic versus diastolic dysfunction, serial echocardiography was performed 1, 2, 4, 8, and 10 weeks after suprarenal aortic banding in 52 rats. One week after banding, at comparable extent of left ventricular hypertrophy and geometry, myocardial and chamber systolic performance, a restrictive filling pattern was well evident only in rats which eventually developed overt HF, according to postmortem lung weight. In experimental POH, early assessment of transmitral flow velocity allows to predict a faster progression toward HF.

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