The E/e' ratio difference between subjects with type 2 diabetes and controls. A meta-analysis of clinical studies
- PMID: 30589892
- PMCID: PMC6307698
- DOI: 10.1371/journal.pone.0209794
The E/e' ratio difference between subjects with type 2 diabetes and controls. A meta-analysis of clinical studies
Abstract
Type 2 diabetes is associated with an increased risk of heart failure. Left ventricular diastolic dysfunction and type 2 diabetes are frequently associated. Using echocardiography, we know that tissue Doppler imaging E/e' ratio is a reliable predictor of left ventricular filling pressure. We performed a systematic review and meta-analysis to investigate the averaged E/e' ratio value in patients with type 2 diabetes compared to non-diabetic controls. In the analysis we included cross-sectional studies providing the averaged E/e' ratio. Subgroup/sensitivity analyses were conducted according to variables known to influence E/e' ratio measurements. The analysis included 15 cross sectional studies with 877 type 2 diabetes patients and 1193 controls. The weighted mean difference showed higher values in diabetes (WMD 2.02; 95% CI 1.35, 2.70; p<0.001). The result was consistent in the subgroup/sensitivity analyses. Visual inspection of the funnel plot did not identify substantial asymmetry and the Egger test for funnel plot asymmetry showed a p value of 0.36. In conclusion, our assessment suggests that averaged E/e' ratio is consistently increased in patients with type 2 diabetes compared to non-diabetic controls in the absence of cardiovascular diseases and complicated hypertension. This alteration may be a precocious diastolic alteration in the diabetic cardiomyopathy.
Conflict of interest statement
The authors have declared that no competing interests exist.
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- Seferović PM, Petrie MC, Filippatos GS, Anker SD, Rosano G, Bauersachs J, et al. Type 2 diabetes mellitus and heart failure: a position statement from the Heart Failure Association of the European Society of Cardiology. Eur J Heart Fail 2018. March 8 10.1002/ejhf.1170 [Epub ahead of print] Review. - DOI - PubMed
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