Does treatment of non-malignant hypertension reduce the incidence of renal dysfunction? A meta-analysis of 10 randomised, controlled trials

Journal of Human Hypertension
C Y Hsu

Abstract

It remains controversial whether non-malignant 'benign' hypertension causes renal dysfunction. The effect of lowering blood pressure on the incidence of renal dysfunction among patients with non-malignant hypertension is not clear. This meta-analysis was conducted to determine whether antihypertensive drug therapy reduces the incidence of renal dysfunction in patients with non-malignant hypertension. Randomised, controlled trials of antihypertensive drug therapy of more than 1 year duration that reported renal dysfunction as an outcome were identified through MEDLINE search and literature review. A random effects model was used to obtain summary estimates. Ten trials were identified, involving 26, 521 individuals and 114 000 person-years. All excluded subjects with advanced baseline renal disease. Definition of renal dysfunction outcome varied among trials but within each trial was applied similarly to both treatment and control groups. Drug treatment consisted mostly of diuretics and adrenergic blockers. Overall, treated patients had lower blood pressure and fewer cardiovascular events. There were a total of 317 cases of renal dysfunction. Patients randomised to antihypertensive therapy (or more intensive therapy) did not have...Continue Reading

Citations

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