Thomas H Marwick, Carolyn Lam, Yuxi Liu, Stefano Del Prato, Julio Rosenstock, Javed Butler, Justin Ezekowitz, Nasrien E Ibrahim, W H Wilson Tang, Faiez Zannad, Riccardo Perfetti, James L Januzzi
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引用次数: 0
Abstract
Background: Diabetic myocardial disorder (DbMD, evidenced by abnormal echocardiography or cardiac biomarkers) is a form of stage B heart failure (SBHF) at high risk for progression to overt HF. SBHF is defined by abnormal LV morphology and function and/or abnormal cardiac biomarker concentrations.
Objective: To compare the evolution of four DbMD groups based on biomarkers alone, systolic and diastolic dysfunction alone, or their combination.
Methods: The Aldose Reductase Inhibition for Stabilization of Exercise Capacity in Heart Failure (ARISE-HF) trial was a Phase 3 randomised trial of an aldose reductase inhibitor in patients with well-controlled type 2 diabetes mellitus (T2DM). The 1858 potential participants (age 67 ± 7 years; 50% women) were screened for SBHF based on abnormal echocardiography or biomarkers (N-terminal pro-B-type natriuretic peptide ≥ 40 ng/L or high sensitivity cardiac troponin T ≥ 10 ng/L [women] and ≥ 16 ng/L [men]). Exercise capacity (peak VO2) was reduced in 669 with DbMD (age 68 ± 7, 50% women), and peak VO2 was reassessed at 15 months.
Results: The 1463 (79%) participants with DbMD were allocated to four clusters; 907 (49%) showed isolated elevation of cardiac biomarkers, 301 (16%) with systolic dysfunction/hypertrophy, 162 (9%) with diastolic dysfunction and 93 (5%) comprised an overlap cluster (combined diastolic, systolic or LV geometric abnormalities). Reduced VO2 (< 75% predicted) was present in 669 (46%); 72% of those with both systolic and diastolic dysfunction, 56% of those with systolic dysfunction and LVH, 53% of those with diastolic dysfunction and 38% with biomarkers alone (p < 0.0001). In 669 patients followed over 15 months, there was a similar small decrement in VO2 in all groups.
Conclusions: Among individuals with T2DM and SBHF, reduced functional capacity is most prevalent in those with multiple physiological disturbances. However, there was no difference between phenogroups in the evolution of exercise intolerance.
期刊介绍：
Cardiovascular Diabetology is a journal that welcomes manuscripts exploring various aspects of the relationship between diabetes, cardiovascular health, and the metabolic syndrome. We invite submissions related to clinical studies, genetic investigations, experimental research, pharmacological studies, epidemiological analyses, and molecular biology research in this field.
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