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The effect of weight loss on the mean platelet volume in obese patients
Erkan Coban1, Alparslan Yilmaz, Ramazan Sari
1Department of Internal Medicine, Akdeniz University Faculty of Medicine, Antalya, Turkey. ecoban@akdeniz.edu.tr
Insights
Weight loss in obese women significantly reduced mean platelet volume (MPV), a marker of platelet activation. This suggests weight loss has anti-platelet effects, contributing to its benefits against cardiovascular disease and atherosclerosis.
Area of Science:
- Endocrinology
- Cardiovascular Medicine
- Hematology
Background:
- Obesity is a chronic metabolic disorder linked to cardiovascular disease and atherosclerosis.
- Platelet activation is crucial in cardiovascular disease pathophysiology.
- Mean platelet volume (MPV) is an emerging risk marker for atherothrombosis.
Purpose of the Study:
- To investigate the impact of weight loss on MPV in obese women.
- To assess if weight loss influences platelet activation markers.
Main Methods:
- A study involving 30 obese women and 30 non-obese controls.
- Obese participants underwent a 3-month diet intervention.
- Measurements included Body Mass Index (BMI), metabolic parameters, and MPV at baseline and after intervention.
Main Results:
- Obese women had higher baseline MPV compared to controls (p=0.004).
- MPV positively correlated with BMI in obese individuals (r=0.43, p=0.017).
- Weight loss reduced BMI (p<0.001) and MPV (p=0.013) in obese women, with a positive correlation between weight loss and MPV reduction (r=0.41, p=0.024).
Conclusions:
- Weight loss in obese women is associated with a significant reduction in MPV.
- Weight loss may exert anti-platelet activation effects.
- These anti-platelet properties may contribute to the antiatherogenic benefits of weight loss in obese patients.
Abstract:
Obesity is a chronic metabolic disorder associated with cardiovascular disease and atherosclerosis. Platelet activation and aggregation are central processes in the pathophysiology of cardiovascular disease. Mean platelet volume (MPV), a determinant of platelet activation, is a newly emerging risk marker for atherothrombosis. Our objective was to evaluate the effect of weight loss on the MPV in obese patients. We selected 30 obese women patients and 30 non-obese healthy women subjects. All obese patients took the same content and caloric diet treatment for 3 months. Body mass index (BMI), metabolic parameters and MPV were measured at baseline and after 3 months diet treatment. Before diet treatment, obese group had significantly higher MPV levels than in the non-obese control group (8.18 +/- 1.09 fl vs. 8.01 +/- 0.95 fl, p = 0.004). MPV showed positive correlations with BMI level in the obese group (r = 0.43, p = 0.017). BMI significantly decreased after diet treatment (36.2 +/- 3.2 kg/m(2) vs. 34.7 +/- 3.6 kg/m(2), p < 0.001), in the obese group. MPV significantly decreased after diet treatment in the obese group (8.18 +/- 1.09 fl vs. 8.08 +/- 1.02 fl, p = 0.013). There was a positive correlation between weight loss and reduction in MPV (r = 0.41, p = 0.024). In addition to its well-known positive effects on cardiovascular disease risk, weight loss may also possess significant anti-platelet activation properties that can contribute its antiatherogenic effects in obese patients.
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