[Comorbidity of depressive disorders and coronary heart disease: general aspects of pathogenesis]
N G Neznanov1, S N Kozlova2, G E Mazo3
1Bekhterev St. Petersburg Research Psychoneurological Institute, St. Petersburg; Pavlov First State Medical University, St. Petersburg.
Insights
Coronary heart disease (CHD) patients with depression show higher pro-inflammatory markers (IL-6, TNF-α) and LDL cholesterol. Platelet serotonin levels correlate with higher cholesterol in these patients.
Area of Science:
- Cardiovascular Medicine
- Psychiatry
- Biochemistry
Context:
- Comorbidity of coronary heart disease (CHD) and depressive disorders presents a significant clinical challenge.
- Understanding the shared pathogenesis is crucial for effective treatment strategies.
Purpose:
- To investigate the relationship between depressive disorders and specific biomarkers in patients with coronary heart disease (CHD).
- To analyze cholesterol levels, platelet serotonin, platelet aggregation, and pro-inflammatory markers in CHD patients with comorbid depression.
Summary:
- Depressive disorders in CHD patients are linked to elevated pro-inflammatory markers (IL-6, TNF-α) and high-density lipoproteins (LDL).
- Higher platelet serotonin levels in comorbid patients correlate with increased cholesterol.
- No significant differences in platelet function were observed between CHD patients with and without depression.
Impact:
- Findings highlight the inflammatory link between depression and CHD, suggesting potential therapeutic targets.
- Identifies platelet serotonin as a potential indicator of cholesterol levels in this patient group.
- Informs clinical practice regarding the management of comorbid CHD and depression.
Aim:
The high level of comorbidity of coronary heart disease (CHD) and depressive disorders and general aspects of their pathogenesis is an actual problem of modern research. Authors studied the content of cholesterol, platelet serotonin, platelet aggregation, activity of pro-inflammatory markers in CHD patients with comorbid depressive disorders.
Material And Methods:
The study included 76 patients with CAD. The diagnosis of depressive disorder was set according to ICD-10, The Hamilton depression scales was used.
Results And Conclusion:
Depressive disorders in CHD patients were associated with an increase in the activity of pro-inflammatory markers (IL-6 and TNF-α), and with high levels of low density lipoproteins. In patients with CAD and depressive disorders with high contents of platelet serotonin, the level of cholesterol was higher compared to those with low contents of serotonin. No significant differences in the functional platelet activity were identified in patients with CAD and comorbid depression compared to patients without mood disorders.
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