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- Title
The effect of empagliflozin on arterial stiffness and heart rate variability in subjects with uncomplicated type 1 diabetes mellitus.
- Authors
Cherney, David Z. I.; Perkins, Bruce A.; Soleymanlou, Nima; Har, Ronnie; Fagan, Nora; Johansen, Odd Erik; Woerle, Hans-Juergen; Eynatten, Maximilian von; Broedl, Uli C.
- Abstract
Background Individuals with type 1 diabetes mellitus are at high risk for the development of hypertension, contributing to cardiovascular complications. Hyperglycaemia-mediated neurohormonal activation increases arterial stiffness, and is an important contributing factor for hypertension. Since the sodium glucose cotransport-2 (SGLT2) inhibitor empagliflozin lowers blood pressure and HbA1c in type 1 diabetes mellitus, we hypothesized that this agent would also reduce arterial stiffness and markers of sympathetic nervous system activity. Methods Blood pressure, arterial stiffness, heart rate variability (HRV) and circulating adrenergic mediators were measured during clamped euglycaemia (blood glucose 4-6 mmol/L) and hyperglycaemia (blood glucose 9-11 mmol/L) in 40 normotensive type 1 diabetes mellitus patients. Studies were repeated after 8 weeks of empagliflozin (25 mg once daily). Results In response to empagliflozin during clamped euglycaemia, systolic blood pressure (111±9 to 109±9 mmHg, p = 0.02) and augmentation indices at the radial (-52%±16 to -57%±17, p = 0.0001), carotid (+1.3±17.0 to -5.7±17.0%, p < 0.0001) and aortic positions (+0.1±13.4 to -6.2±14.3%, p < 0.0001) declined. Similar effects on arterial stiffness were observed during clamped hyperglycaemia without changing blood pressure under this condition. Carotidradial pulse wave velocity decreased significantly under both glycemic conditions (p ⩽ 0.0001), while declines in carotid-femoral pulse wave velocity were only significant during clamped hyperglycaemia (5.7±1.1 to 5.2±0.9 m/s, p = 0.0017). HRV, plasma noradrenalin and adrenaline remained unchanged under both clamped euglycemic and hyperglycemic conditions. Conclusions Empagliflozin is associated with a decline in arterial stiffness in young type 1 diabetes mellitus subjects. The underlying mechanisms may relate to pleiotropic actions of SGLT2 inhibition, including glucose lowering, antihypertensive and weight reduction effects.
- Subjects
DIABETES; BLOOD pressure; HYPERGLYCEMIA; ARTERIAL diseases; HEART beat
- Publication
Cardiovascular Diabetology, 2014, Vol 13, Issue 1, p2
- ISSN
1475-2840
- Publication type
Article
- DOI
10.1186/1475-2840-13-28