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1.
Medicina (Kaunas) ; 58(9)2022 Aug 27.
Article in English | MEDLINE | ID: covidwho-2006132

ABSTRACT

Background and Objectives: Individuals with type 2 diabetes mellitus (T2DM) have an increased risk of cardiovascular disease. Arterial stiffness is an independent prognostic marker for cardiovascular disease development. We aimed at determining the effect of two different sodium-glucose co-transporter-2 (SGLT-2) inhibitors on ambulatory arterial stiffness in individuals with T2DM. Materials and Methods: In this single-center, single-arm, prospective study performed from January 2020 to August 2021, we planned to enroll adult subjects with T2DM and stable antidiabetic and antihypertensive treatment, assigned either to empagliflozin or dapagliflozin for 6 months. All eligible subjects underwent ambulatory blood pressure monitoring. We set as the primary efficacy outcome the change in ambulatory pulse wave velocity (PWV) from baseline to week 24. Results: We finally enrolled 46 diabetic subjects, with a mean age of 62.89 (8.53) years and mean T2DM duration of 9.72 (6.37) years. Thirty patients received dapagliflozin, while sixteen patients received empagliflozin. Due to COVID-19 pandemic restrictive measures during the study, the mean follow-up period extended from 6 months to 9.98 (3.27) months. Regarding the prespecified primary efficacy outcome, we found that the SGLT-2 inhibitor treatment did not have a significant effect on PWV (p = 0.65). Prior history of cardiovascular disease did not significantly affect the observed effects. Other indices of arterial stiffness, such as augmentation index and central pulse pressure, were not significantly affected, neither by empagliflozin nor by dapagliflozin. Conclusions: SGLT-2 inhibitor treatment with empagliflozin or dapagliflozin in subjects with T2DM failed to improve ambulatory PWV over a mean follow-up of 10 months. Registration number: ISRCTN88851713.


Subject(s)
COVID-19 , Cardiovascular Diseases , Diabetes Mellitus, Type 2 , Sodium-Glucose Transporter 2 Inhibitors , Symporters , Vascular Stiffness , Antihypertensive Agents/pharmacology , Benzhydryl Compounds , Blood Pressure Monitoring, Ambulatory , Cardiovascular Diseases/chemically induced , Diabetes Mellitus, Type 2/complications , Diabetes Mellitus, Type 2/drug therapy , Glucose , Glucosides , Humans , Hypoglycemic Agents/adverse effects , Middle Aged , Morbidity , Pandemics , Prospective Studies , Pulse Wave Analysis , Sodium , Sodium-Glucose Transporter 2 Inhibitors/adverse effects , Symporters/pharmacology , Treatment Outcome
2.
J Hypertens ; 40(Suppl 1): e188, 2022 Jun 01.
Article in English | MEDLINE | ID: covidwho-1937751

ABSTRACT

OBJECTIVE: Cardiovascular disease remains the leading cause of mortality among patients with type 2 diabetes mellitus (T2DM). Sodium-glucose co-transporter-2 (SGLT-2) inhibitors is a new class of antidiabetics, conferring a significant cardiovascular risk reduction. However, underlying mechanisms are not fully understood. Right ventricular (RV) function is adversely affected early in the course of diabetes. Herein we sought to determine the effect of long-term use of SGLT-2 inhibitors on RV function. DESIGN AND METHOD: In this pilot, observational study, we enrolled 20 patients with T2DM and stable antidiabetic and antihypertensive treatment over the last 6 months. Patients were planned to undergo a thorough echocardiographic assessment of RV function twice, before and 6 months after initiation of a SGLT-2 inhibitor. We set as primary efficacy outcome the change in tricuspid annular plane systolic excursion (TAPSE). RESULTS: Mean age of participants was 62.8 ± 7.9 years, with a mean T2DM duration of 8.7 ± 6.1 years. Thirteen subjects were administered dapagliflozin, while the rest 7 were prescribed empagliflozin. Due to special regulations imposed in the context of coronavirus disease-19 (COVID-19) pandemic, mean treatment duration and follow-up period was 9.35 ± 3.4 months. SGLT-2 inhibitors led to a significant increase in TAPSE from 2.01 ± 0.23 to 2.12 ± 0.15 cm (p = 0.022). The result was significant for dapagliflozin (p = 0.015), while administration of empagliflozin resulted in a non-significant increase in TAPSE (p = 0.28). However, no significant difference between the two SGLT-2 inhibitors was shown (p = 0.7). Change in TAPSE was significant in subjects with prior history of cardiovascular disease (p = 0.024), while it was non-significant for subjects without previous cardiovascular disease (p = 0.26). Other parameters of RV function or RV dimensions were unchanged. CONCLUSIONS: This is the first study to assess the effect of long-term treatment with SGLT-2 inhibitors on RV function in subjects with T2DM, demonstrating a significant increase in TAPSE.

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