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Relationship between vitamin D deficiency and thrombus load in patients with ST-elevation myocardial infarction
1Department of Cardiology, Bursa City Hospital, Bursa, Turkey. alpkarakus06@gmail.com.
Insights
Low vitamin D levels are linked to increased coronary thrombus burden in ST-elevated myocardial infarction (STEMI) patients. This suggests vitamin D deficiency is an independent predictor of severe thrombus load and poorer outcomes after intervention.
Area of Science:
- Cardiology
- Endocrinology
- Vascular Biology
Background:
- Clinical observations suggest a link between vitamin D deficiency and thrombotic events.
- The relationship between vitamin D status and coronary thrombosis requires further investigation.
Purpose of the Study:
- To evaluate the association between serum vitamin D levels and coronary thrombus burden in patients with ST-elevated myocardial infarction (STEMI).
Main Methods:
- Retrospective analysis of 77 STEMI patients.
- Measurement of serum vitamin D, coronary thrombus load, TIMI frame count, and atherosclerosis extent.
- Patients categorized into mild and severe thrombus load groups.
Main Results:
- High prevalence of vitamin D deficiency (79.22%).
- Lower vitamin D levels correlated with higher thrombus burden and Gensini scores.
- Significant negative correlations found between vitamin D levels and thrombus burden, and TIMI frame counts.
Conclusions:
- Low serum 25(OH)D3 levels are an independent predictor of high coronary artery thrombus load in STEMI patients.
- Vitamin D deficiency is associated with increased post-procedural TIMI frame count increase.
- Findings highlight the importance of vitamin D status in STEMI management.
Objective:
Clinical studies detecting the increase in thrombotic events with vitamin D deficiency note the relationship between vitamin D and thrombosis. This study aims at evaluating the relationship between serum vitamin D levels and coronary thrombus burden.
Patients And Methods:
We retrospectively evaluated 77 patients with ST-elevated myocardial infarction (STEMI). Serum vitamin D levels, degree of coronary thrombus, Thrombolysis in Myocardial Infarction (TIMI) frame count and the extent and severity of atherosclerosis in coronary arteries were also measured in all cases. Patients were divided into 2 groups, according to thrombus load.
Results:
The rate of vitamin D deficiency in the study population was 79.22% (< 20 ng/mL). Vitamin D levels were significantly higher in patients with a mild thrombus load than in patients with a severe thrombus load (16 vs. 13.95 p = 0.018). Gensini scores were significantly higher in patients with a severe thrombus burden than in patients with a mild thrombus burden (42 vs. 54.5 p = 0.014). There was a low negative correlation between vitamin D levels and thrombus burden classification grades (r = -0.304, p = 0.007), Cx TIMI frame counts (r = -0.402, p < 0.001), and RCA TIMI frame counts (r = -0.479, p < 0.001). There was a moderate negative correlation between serum vitamin D levels and LAD TIMI frame count (r = -0.507, p < 0.001).
Conclusions:
The results of our study showed that low 25(OH)D3 levels are an independent predictor of high coronary artery thrombus load and post-procedural TIMI frame count increase in patients with STEMI undergoing primary percutaneous coronary intervention.
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