Ruxandra-Nicoleta Horodinschi1,2, Camelia Cristina Diaconu1,2. 1. Department of Internal Medicine, University of Medicine and Pharmacy "Carol Davila" Bucharest, Romania. 2. Internal Medicine Clinic, Clinical Emergency Hospital of Bucharest Bucharest, Romania.
Abstract
INTRODUCTION: The objective of our study was to evaluate the severity of diastolic dysfunction in patients with heart failure with preserved ejection fraction (HFpEF), atrial fibrillation (AF) and type 2 diabetes mellitus (T2DM) compared to those with HFpEF and AF without DM. MATERIAL AND METHODS: This is an observational, prospective, case-control study. We selected 720 patients with heart failure consecutively admitted between March 2019-December 2020, of whom 253 patients with AF. After applying the inclusion/exclusion criteria, 105 subjects remained in the study. The patients were divided into two groups, according to the presence of T2DM: group A (39 patients with T2DM, 37.14%), group B (66 patients without T2DM, 62.85%). 2D transthoracic echocardiography was performed in all patients. The study was approved by the Ethics Committee of the hospital. Statistical analysis was performed using R software, version 4.0.2. RESULTS: Patients with HFpEF, AF, and T2DM had higher LV filling pressures compared to those without DM (OR = 5.00, 95% CI: 1.77-15.19). Moreover, patients with insulin-requiring T2DM (OR = 6.25, 95% CI: 1.50-25.98) had higher LV filling pressures than those treated with oral antidiabetic drugs (OR = 4.44, 95% CI: 1.37-15.17). We demonstrated that patients with T2DM had higher E/e' ratio (difference -2.78, P 0.0003, 95% CI: -4.24 to -1.31) and lower deceleration time (DT) (difference 23.04, P 0.0002, 95% CI: 11.10-34.97) than those without T2DM. CONCLUSIONS: Patients with HFpEF, AF and T2DM have higher LV filling pressures than those without T2DM, suggesting that the presence of T2DM leads to a more severe diastolic dysfunction. AJCD
INTRODUCTION: The objective of our study was to evaluate the severity of diastolic dysfunction in patients with heart failure with preserved ejection fraction (HFpEF), atrial fibrillation (AF) and type 2 diabetes mellitus (T2DM) compared to those with HFpEF and AF without DM. MATERIAL AND METHODS: This is an observational, prospective, case-control study. We selected 720 patients with heart failure consecutively admitted between March 2019-December 2020, of whom 253 patients with AF. After applying the inclusion/exclusion criteria, 105 subjects remained in the study. The patients were divided into two groups, according to the presence of T2DM: group A (39 patients with T2DM, 37.14%), group B (66 patients without T2DM, 62.85%). 2D transthoracic echocardiography was performed in all patients. The study was approved by the Ethics Committee of the hospital. Statistical analysis was performed using R software, version 4.0.2. RESULTS: Patients with HFpEF, AF, and T2DM had higher LV filling pressures compared to those without DM (OR = 5.00, 95% CI: 1.77-15.19). Moreover, patients with insulin-requiring T2DM (OR = 6.25, 95% CI: 1.50-25.98) had higher LV filling pressures than those treated with oral antidiabetic drugs (OR = 4.44, 95% CI: 1.37-15.17). We demonstrated that patients with T2DM had higher E/e' ratio (difference -2.78, P 0.0003, 95% CI: -4.24 to -1.31) and lower deceleration time (DT) (difference 23.04, P 0.0002, 95% CI: 11.10-34.97) than those without T2DM. CONCLUSIONS: Patients with HFpEF, AF and T2DM have higher LV filling pressures than those without T2DM, suggesting that the presence of T2DM leads to a more severe diastolic dysfunction. AJCD
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