Key result
Diastolic dysfunction was independently associated with major adverse cardiovascular events in women with type 2 diabetes but not in men.
Why the study?
Few prospective studies have evaluated sex-specific patterns, natural progression of left ventricular remodelling, and diastolic dysfunction in patients with type 2 diabetes.
Cohort (n=350)
Pre-clinical diastolic dysfunction is a strong, independent predictor of major adverse cardiovascular events in women with type 2 diabetes, but not in men.
Answers are grounded in this paper and cite their sources.
May support sex-specific risk stratification in women with T2D; hypothesis-generating and should not yet change practice.
AIMS: Few prospective studies have evaluated sex-specific pattern, natural progression of left ventricular (LV) remodelling, and diastolic dysfunction in patients with type 2 diabetes (T2DM). The aim of this study was to study the sex-specific prevalence, longitudinal changes of LV remodelling, and diastolic dysfunction in patients with T2DM. Further, the prognostic value of diastolic function in women and men was also evaluated. METHODS AND RESULTS: A total of 350 patients with T2DM (mean age 61 ± 11 years; women, 48.3%) was recruited. Detailed echocardiography was performed at baseline and after 25 months. A major adverse cardiovascular event (MACE) was defined as cardiovascular death, heart failure hospitalization, or myocardial infarction. Despite a similar age, prevalence of hypertension and body mass index, women had a higher prevalence of LV hypertrophy and diastolic dysfunction at baseline and follow-up compared with men. A total of 21 patients developed MACE (5 cardiovascular death, 9 hospitalization for heart failure, and 7 myocardial infarction) during a median follow-up of 56 months. Women with diastolic dysfunction had a higher incidence of MACE than those with normal diastolic function but this association was neutral in men. Multivariable Cox-regression analysis indicated that diastolic dysfunction was associated with MACE in women [hazard ratio = 6.30; 95% confidence interval (CI) = 1.06-37.54; P < 0.05] but not men (hazard ratio = 2.29, 95% CI = 0.67-7.89; P = 0.19). CONCLUSION: LV hypertrophy and diastolic dysfunction, both at baseline and follow-up, were more common in women than men. Pre-clinical diastolic dysfunction was independently associated with MACE only in women with T2DM but was neutral in men.
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Wu et al. (2020) conducted a cohort in Type 2 diabetes mellitus (n=350). Diastolic dysfunction vs. Normal diastolic function was evaluated on Major adverse cardiovascular event (MACE) (HR 6.30, 95% CI 1.06-37.54, p=<0.05). Diastolic dysfunction was independently associated with major adverse cardiovascular events in women with type 2 diabetes but not in men.
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