Loop Diuretics in Chronic Kidney Disease

Chronic Kidney Disease

Loop diuretics, Chronic Kidney Disease, Hypertension, Blood pressure control, Left ventricular mass

The purpose of this study is to verify the efficacy of diuretic therapy on blood pressure control and left ventricular mass in patients affected by chronic kidney disease

In CKD, impairment of renal function causes fluid and sodium retention and consequently expansion of extracellular volume, which corresponds to about 5% of body weight in absence of peripheral edema. In particular, sodium retention increases exponentially as glomerular filtration rate declines and is of primary importance in the pathogenesis of hypertension. Therefore, reduction of salt intake in renal patients allows a better blood pressure control. Despite the evidence collected on the beneficial effects of salt restriction in CKD, compliance with dietary prescription is generally poor in patients followed up in the real world of clinical practice. In the presence of poor adherence to salt restriction, diuretics agents become the cornerstone of treatment of hypertension secondary to CKD. Disappointingly, nephrologists are reluctant to adequately use loop diuretics in their hypertensive CKD patients, probably because of the fear of side effects and of the amazing absence in medical literature of studies of middle-long term on diuretic efficacy. Therefore, the primary aim of this study is to evaluate efficacy and safety of loop diuretics on blood pressure control in patients affected by CKD.

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