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Spironolactone, sold under the brand name Aldactone among others, is a diuretic medication primarily used to treat fluid build-up due to heart failure, liver scarring, or kidney disease. [4] It is also used in the treatment of high blood pressure , and low blood potassium that does not improve with supplementation , early puberty in boys, acne ...
Enhancement of the rate of peripheral conversion of testosterone into estradiol, thus decreasing the ratio of circulating testosterone to estradiol. [75] Spironolactone has been found to act as a reversible inhibitor of human 17β-hydroxysteroid dehydrogenase 2 (17β-HSD2), albeit with weak potency (K i = 0.25–2.4 μM; IC 50 = 0.27–1.1 μM).
However, spironolactone is metabolized to three active metabolites, which give it prolonged activity (13.8 – 16. 5 hours). Spironolactone has a long half-life and is excreted 47-51% through kidneys. Patients with chronic kidney disease therefore require close monitoring when taking the drug. Spironolactone is also eliminated through feces (35-41%
At a exposure rate of 700 mg/m2, the heart failure rate is at 48%. [ 11 ] Cardiotoxicity involving HER2 monoclonal antibodies manifests as decrease left ventricular ejection fraction and resulting heart failure. [ 12 ]
Sleep apnea is an under-recognized risk factor for heart failure. Uncontrolled sleep apnea may increase the risk of heart failure by up to 140%. [4] Weight reduction – through physical activity and dietary modification, as obesity is a risk factor for heart failure and left ventricular hypertrophy. Effective weight management has been shown ...
Antihypertensive therapy seeks to prevent the complications of high blood pressure, such as stroke, heart failure, kidney failure and myocardial infarction. Evidence suggests that a reduction of blood pressure by 5 mmHg can decrease the risk of stroke by 34% and of ischaemic heart disease by 21%.