pressure overload


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pressure overload

Demand placed on muscle, esp. heart muscle, in response to high blood pressure or stenotic valves. Over time pressure overload results in cardiac hypertrophy and, eventually, heart failure.
See also: overload
References in periodicals archive ?
42) High-sensitivity Myocardial injury/ troponin hypoxemia BNP RV pressure overload NT-proBNP RV pressure overload h-FABP RV pressure overload/ hypoxemia Lactate Tissue hypoperfusion Novel biomarker Stress/stretch GDF-15 RV pressure overload, Lankeit et al.
Resveratrol is a widely used antioxidant dietary supplement with promising experimental results on pressure overload cardiac hypertrophy, but beneficial effects on clinical hypertrophy have not yet been reported [139,158].
It illustrated that the ventricular remodeling model induced by pressure overload was successful.
Further analysis indicated that PDGFR-beta in heart muscle cells contributes to the protective response to pressure overload by triggering the growth of new blood vessels, providing new insight into the physiologic functions of PDGFR-beta.
In summary, RV failure is the result of inadequate contractility, volume or pressure overload.
1993) Induction of cardiac insulin-like growth factor I gene expression in pressure overload hypertrophy.
a) echocardiographic findings indicating RV pressure overload and/or PH (RV dilation, paradoxical septal wall motion, loss of inspiratory collapse of the inferior vena cava, or tricuspid regurgitation jet velocity >2.
Pressure overload was induced in rats by abdominal aortic constriction (AAC) according to procedure reported by others (Phrommintikul et al.
Right-sided heart failure due to acute pressure overload is the usual cause of death from PE since the right ventricle is unable to generate and sustain a systolic pressure of 50 mmHg (3).
Measuring B-type natriuretic peptide, a cardiac neurohormone secreted by the ventricles as a specific response to volume expansion and pressure overload, proved useful in identifying acute CHF in a pilot study, so Dr.
Approved by the Food and Drug Administration in late November, the blood test measures the level of B-type natriuretic peptide (BNP), a hormone released by the heart's ventricles in response to ventricular volume expansion and pressure overload.