PubMed · 12407881
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Peter Lyngdorf. 2002-10-07. [Erectile dysfunction].. https://pubmed.ncbi.nlm.nih.gov/12407881/
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This was a double-blind, randomized, prospective study comparing the effects of nebivolol and atenolol on systolic diastolic left ventricular function in patients with essential hypertension. A significant difference was seen in stroke volume between these 2 drugs. The blood pressure lowering effect of atenolol was strongly related to cardiac output and heart rate reduction. The blood pressure lowering effect of nebivolol was related to a reduction in peripheral resistance and an increase in stroke volume with preservation of cardiac output. This preservation of cardiac output, together with a reduced peripheral resistance, may be potentially important in treating heart failure.
Cardiac toxicity is an uncommon but potentially serious complication of cancer therapy, especially with anthracyclines. One of the most effective anticancer drugs is doxorubicin, but its value is limited by the risk of developing cardiomyopathy and ventricular arrhythmia. When applied to a network of periodically contracting cardiomyocytes in culture, doxorubicin induces rhythm disturbances. Using a novel rapid assay based on non-invasive ion-conductance microscopy we show that the beta-antagonist esmolol can restore rhythm in doxorubicin-treated cultures of cardiomyocytes. Moreover, esmolol pre-treatment can protect the culture from doxorubicin-induced arrhythmia.
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