March 23, 2016

Effects of intensive blood pressure lowering on cardiovascular and renal outcomes: updated systematic review and meta-analysis.

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This systematic review and meta-analysis of 19 trials included 44,989 participants,  with 2496 major cardiovascular events were recorded during a mean 3·8 years of follow-up.  Patients in the more intensive blood pressure-lowering treatment group had mean blood pressure levels of 133/76 mm Hg, compared with 140/81 mm Hg in the less intensive treatment group. Intensive blood pressure-lowering treatment achieved RR reductions for major cardiovascular events (14% [95% CI 4-22]), myocardial infarction (13% [0-24]), stroke (22% [10-32]), albuminuria (10% [3-16]), and retinopathy progression (19% [0-34]). However, more intensive treatment had no clear effects on heart failure (15% [95% CI -11 to 34]), cardiovascular death (9% [-11 to 26]), total mortality (9% [-3 to 19]), or end-stage kidney disease (10% [-6 to 23]).

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