Abstract
In obese rheumatoid arthritis (RA) patients inflammatory mechanisms and cardiovascular secondary disorders are possibly related to changed expression of adipocytokines. Various adipocytokines and inflammatory parameters were examined in 112 patients (23.2% men; 76.8% women) suffering from RA: leptin, adiponectin, visfatin, sCD40 L, CRP, and ESR. Average BMI was 27.6 (+/-5.6). Leptin and BMI as well as visfatin and BMI correlated positively, BMI and adiponectin, however, showed a negative correlation. Significant differences between normal-weight and obese RA patients were found in both leptin and adiponectin measurements. Visfatin showed a positive correlation with CRP; sCD40 ligand which is a marker for increased T-cell activity correlated with CRP and ESR. Patients with low adiponectin levels (<10 microg/ml) more often suffered from cardiovascular diseases (28.6%) than those with enhanced adiponectin (14.3%). Increased pro-inflammatory leptin and decreased anti-inflammatory adiponectin in obese RA patients can be associated with RA activity and enhanced cardiovascular risk.
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