Elevated mean platelet volume is associated with silent cerebral infarction

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Abstract

Background

The presence of silent cerebral infarction (SCI) increases the risk of transient ischaemia attack, symptomatic stroke, cardiovascular disease and dementia. Mean platelet volume (MPV) is a surrogate marker of activated platelets and is considered a link between inflammation and thrombosis. In addition, MPV is a risk predictor for cardiovascular disease, stroke and overall vascular mortality.

Aims

The purpose of the study was to assess the MPV levels in SCI patients.

Methods

A cross-sectional study was conducted to evaluate the association between MPV and SCI in 2215 subjects (1385 men and 830 women).

Results

The participants with SCI had higher MPV levels than those without SCI (10.4 ± 1.3 fL vs. 9.2 ± 1.2 fL; P < 0.001). Moreover, the subjects with a high MPV had a higher prevalence of SCI. Multivariate logistic regression analyses revealed that the odds ratios and 95% confidence intervals for SCI according to MPV quartiles were 1.000, 2.131 (1.319–3.444), 3.015 (1.896–4.794), 7.822 (4.874–12.554) respectively (P < 0.001).

Conclusion

MPV is a novel index for SCI regardless of classical cardiovascular risk factors.

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