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Mean platelet volume in patients with coronary artery ectasia
Nihat Sen1, Yusuf Tavil, Hüseyin Ugur Yazici
1Department of Cardiology, Gazi University Medical School, Ankara, Turkey.
Insights
Patients with coronary artery ectasia (CAE) have higher mean platelet volume (MPV) than healthy individuals. This finding suggests MPV may serve as a valuable follow-up marker for CAE patients.
Area of Science:
- Cardiology
- Hematology
- Vascular Biology
Background:
- Mean platelet volume (MPV) reflects platelet activation, crucial in coronary heart disease.
- Coronary artery ectasia (CAE) often coexists with atherosclerotic coronary disease.
- Investigating MPV in CAE provides insights into platelet behavior in this condition.
Purpose of the Study:
- To compare MPV levels in patients with isolated CAE versus individuals with normal coronary arteries.
- To determine if MPV can serve as a diagnostic or monitoring marker for CAE.
Main Methods:
- MPV was measured in 67 CAE patients and 55 controls.
- CAE was defined by a luminal dilatation of at least 1.5-fold.
- Subgroup analysis was performed based on CAE extension.
Main Results:
- MPV was significantly elevated in CAE patients compared to controls (9.27±1.32 vs. 8.40±0.95, p<0.001).
- No significant MPV differences were observed among CAE severity subgroups.
Conclusions:
- This study demonstrates higher MPV in CAE patients, a novel finding.
- MPV may be a useful follow-up marker for patients with CAE, regardless of concurrent coronary artery disease.
Background:
Mean platelet volume (MPV) is an indicator of platelet activation, a central process in the pathophysiology of coronary heart disease. The importance of coronary artery ectasia (CAE) lies in the fact that in 85% of cases it is accompanied by atherosclerotic coronary disease. The present study was designed to investigate MPV values in CAE patients in comparison with individuals with normal coronary angiograms.
Material/Methods:
MPV was measured in 67 consecutive patients (mean age: 55.3+/-9.7 years) with isolated CAE and 55 control subjects (mean age: 53.6+/-10.1 years). Coronary artery ectasia was defined as without any stenotic lesion, on visual assessment, of the coronary arteries with a luminal dilatation 1.5-fold or more of the adjacent normal coronary segments. Four subgroups were composed according to the extension of CAE in coronary arteries.
Results:
MPV was significantly higher in patients with CAE than in the control group (9.27+/-1.32 vs. 8.40+/-0.95, p<0.001). There were no statistically significant differences in MPV among the subgroups with different CAE severity.
Conclusions:
It was shown for the first time that patients with CAE have higher MPVs than control subjects with normal coronary angiograms. Hence MPV might be used as a follow-up marker in patients with CAE with or without coronary artery disease.
