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Circulating Cytokines and Complements in Chronic Heart Failure

Feridun Koar, MD

Ercan Varol, MD

Mehmet Ileri, MD

Selime Ayaz, MD, PhD

Ismet Hisar, MD

Halil Kisacik, MD

Feridun Koar, MD

Gaziler Sokak No: 18/9 06610 Abidinpaa Ankara, Turkey

Elevated levels of cytokines and complements have been reported in patients with advanced heart failure, but the exact clinical significance remains unclear. Therefore, assessments correlated with hemodynamic and clinical variables may provide important insight into the actions of cytokines and complements in chronic heart failure.

The authors evaluated the clinical significance of cytokines and complements. The study included 60 subjects (50 men, 10 women); 34 had idiopathic dilated cardiomy opathy (DCM) and 26 had ischemic heart disease (IHD). Tumor necrosis factor alpha and interleukin-2 receptor concentrations in chronic heart failure were greater than in control subjects (20.0 ±0.4 vs 18.0 ±0.5 pg/mL, p<0.05 and 817.23 ±63.50 vs 642.75 ±27.31 pg/mL, p<0.05, respectively). There was no significant difference between DCM and IHD patients in circulating levels of the cytokines and the components complements (p=NS). Additionally, although functional classes III and IV heart failure patients showed a tendency to increase the levels of the cytokines and the component complements, these differences were not statistically significant (p=NS). Similarly, correlation analysis showed that the levels of the circulating cytokines and the component complements had independent value for mortality. These results suggest that humoral and cellular immunity abnormalities may play an important role in the pathogenesis of heart failure and dilated cardiomyopathy.

Angiology, Vol. 50, No. 5, 403-408 (1999)
DOI: 10.1177/000331979905000506


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