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Background Altered mean platelet volume (MPV) and plasma albumin has been reported in type 2 diabetes (T2D). MPV is suggested to predict cardiovascular risk but there is a lack of evidence for associations between MPV and platelet adhesion. Plasma albumin and magnesium are other factors reported to influence thrombotic risk. The objectives of this study were to assess the association between platelet adhesion and plasma factors with a potential role to affect platelet activation. Methods Blood was collected from 60 T2D patients and 60 healthy controls. Platelet adhesion to different protein surfaces induced by various soluble activators were measured in microplates. MPV, albumin and magnesium were analysed together with additional routine tests. Results Despite normal levels, plasma albumin significantly correlated with adhesion of T2D platelets but not with controls. There was a significant association between MPV and platelet adhesion in both groups, but association was smaller in T2D. Levels of glucose, HbA1c or magnesium did not correlate with platelet adhesion. Conclusions Plasma albumin was associated with platelet adhesion in T2D suggesting that albumin may be a factor to consider upon cardiovascular risk assessment. MPV was more associated with the level of platelet adhesion in healthy individuals than in well-controlled T2D patients.
Background Altered mean platelet volume (MPV) and plasma albumin has been reported in type 2 diabetes (T2D). MPV is suggested to predict cardiovascular risk but there is a lack of evidence for associations between MPV and platelet adhesion. Plasma albumin and magnesium are other factors reported to influence thrombotic risk. The objectives of this study were to assess the association between platelet adhesion and plasma factors with a potential role to affect platelet activation. Methods Blood was collected from 60 T2D patients and 60 healthy controls. Platelet adhesion to different protein surfaces induced by various soluble activators were measured in microplates. MPV, albumin and magnesium were analysed together with additional routine tests. Results Despite normal levels, plasma albumin significantly correlated with adhesion of T2D platelets but not with controls. There was a significant association between MPV and platelet adhesion in both groups, but association was smaller in T2D. Levels of glucose, HbA1c or magnesium did not correlate with platelet adhesion. Conclusions Plasma albumin was associated with platelet adhesion in T2D suggesting that albumin may be a factor to consider upon cardiovascular risk assessment. MPV was more associated with the level of platelet adhesion in healthy individuals than in well-controlled T2D patients.
Purpose Platelet indices have been shown to be associated with complications of diabetes mellitus (DM). However, the clinical relevance of platelet indices for assessing the risk of being microvascular complications among patients with DM is largely overlooked. Hence this study aimed to determine the association of platelet indices with microvascular complications among type 2 DM patients. Patients and Methods A hospital-based cross-sectional study was conducted among 352 type 2 DM patients from April 1 to May 30/2019 at Debre Berhan Referral Hospital. Data were collected by interview, physical measurements, document review, and laboratory tests. Then the data were entered into Epi-data manager-4.4.1.0 and exported into SPSS-25 for analysis. Platelet indices were compared between participants with and without microvascular complications using an independent t -test. A logistic regression model was used to assess the association between microvascular complications and platelet indices. All inferences were considered statistically significant at P<0.05. Results One hundred seventeen (33.2%) of participants were suffering from at least one microvascular complications. The mean platelet volume (MPV), platelet distribution width (PDW), and platelet-large cell ratio (P-LCR) were significantly increased in DM patients with complications as compared to without complications (13.57±2.17fl vs. 11.76±1.93fl), (16.57±2.49fl vs. 14.97±2.41fl) and (28.09±7.58% vs. 24.19±6.46%), respectively (all are P˂0.001). In multivariate logistic regression analysis, MPV (AOR=1.68, 95% CI: 1.37–2.05), PDW (AOR=1.37, 95% CI: 1.15–1.63), P-LCR (AOR=1.07, 95% CI: 1.01–1.14), age (AOR=1.07, 95% CI: 1.01–1.12), and duration of DM (AOR=1.31, 95% CI: 1.18–1.46) were significantly associated with the presence of microvascular complications. Conclusion MPV, PDW, and P-LCR were significantly higher among type 2 DM patients with microvascular complications. This indicates that platelet indices can be used as prognostic markers of vascular complications and can be used as simple and cost-effective parameters to predict microvascular complications particularly in patients with old age and long duration of DM.
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