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Dapagliflozin does not affect short-term blood pressure variability in patients with type-2 diabetes mellitus.

Abstract：

BACKGROUND:Increased blood-pressure-variability (BPV) is associated with increased cardiovascular and all-cause mortality in patients with type 2 diabetes mellitus (T2DM). Sodium-glucose-co-transporter-2 (SGLT-2) inhibitors decrease the incidence of cardiovascular events, renal events, and death in this population. This study aimed to evaluate the effect of dapagliflozin on short-term BPV in patients with T2DM. METHODS:This is a secondary analysis of a double-blind, randomized, placebo-controlled trial in 85 patients with T2DM (NCT02887677). Subjects were randomized to oral dapagliflozin 10mg once daily or placebo for 12 weeks. All participants underwent 24-h ambulatory blood pressure (BP) monitoring with the Mobil-O-Graph NG device at baseline and study-end. Standard-deviation (SD), weighted-SD (wSD), coefficient-of-variation (CV), average-real-variability (ARV) and variation-independent-of-mean (VIM) were calculated with validated formulae for the 24-h and the daytime and nighttime periods. RESULTS:Dapagliflozin reduced 24-h brachial BP compared to placebo. From baseline to study-end 24-h brachial BPV indexes did not change with dapagliflozin (SBP-ARV: 11.51±3.45 vs 11.05±3.35; p=0.326, SBP-wSD: 13.59±3.60 vs 13.48±3.33; p=0.811) or placebo (SBP-ARV: 11.47±3.63 vs 11.05±3.00; p=0.388, SBP-wSD: 13.85±4.38 vs 13.97±3.87 ; p=0.308). Similarly, no significant changes in BPV indexes for daytime and nighttime were observed in any group. At study-end, no differences between the groups were observed for any BPV index. Deltas(Δ) of all indexes during follow-up were minimal and not different between-groups (SBP-wSD: dapagliflozin: -0.11±3.05 vs placebo: 0.12±4.20; p=0.227). CONCLUSIONS:This study is the first to evaluate the effects of an SGLT-2 inhibitor on short-term BPV in patients with T2DM, showing no effect on dapagliflozin on all BPV indexes studied.

journal_name

Am J Hypertens

journal_title

American journal of hypertension

authors

Papadopoulou E,Theodorakopoulou MP,Loutradis C,Tzanis G,Tzatzagou G,Kotsa K,Zografou I,Tsapas A,Karagiannis A,Sarafidis P

doi

10.1093/ajh/hpaa207

subject

Has Abstract

pub_date

2020-12-05 00:00:00

eissn

0895-7061

issn

1941-7225

pii

6024653

pub_type

杂志文章

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Dapagliflozin does not affect short-term blood pressure variability in patients with type-2 diabetes mellitus.