2018, Number 2
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Rev Cubana Invest Bioméd 2018; 37 (2)
Prediction of coronary risk in Rheumatoid Arthritis by variables associated with its immunological activity
Mendoza CU, Alonso BME
Language: Spanish
References: 16
Page: 105-116
PDF size: 281.23 Kb.
ABSTRACT
Introduction: the prognosis of coronary risk from the activity in rheumatoid arthritis is still a problem.
Objectives: to evaluate the predictive capacity of rheumatoid factor, C-reactive protein, C3-C4 complement, and the activity index of the disease using 28 joints on coronary risk in this disease.
Methods: a longitudinal-prospective study was carried out in a sample of 50 patients. The serum levels of: rheumatoid factor, c-reactive protein, C3, C4 complement, lipoprotein (a), apolipoproteins B and A1 were determined by immunoturbidimetric method, while total cholesterol, low-density lipoprotein cholesterol and high-density cholesterol by enzyme-correlated assay. The erythrocyte sedimentation rate was determined by the Westergreen method. Coronary risk was defined according to desirable values, or not, of the indicators: lipoprotein (a), Apolipoprotein B/Apolipoprotein A1 ratios, low density lipoprotein cholesterol / high density lipoprotein cholesterol, Apolipoprotein B/low lipoprotein cholesterol density and atherogenic index. The statistical program SPSS, version 18.0 was used for the analysis.
Results: the profile of immunoinflammatory activity of the uptake showed adequate predictive capacity on coronary risk [logistic regression: Hosmer and Lemeshow test: (p= 0.54), overall percentage of correct prediction: 64 and 90 %, to the first and third month]. The variables C3 complement, C4 complement and index of disease activity contributed to the direct prediction of coronary risk according to the Apolipoprotein B / Apolipoprotein A1, low density lipoprotein cholesterol / high density lipoprotein cholesterol and atherogenic index (p associated with Odds ratio ≤ 0.05). The lipoprotein metabolism markers studied, except for the Apolipoprotein B / low density lipoprotein cholesterol ratio, corresponding to the month and third month of follow-up were predicted from C4, C3 complement, disease activity index and C-reactive protein at the time of the uptake (linear regression: R2 with associated p≤ 0.05). The rheumatoid factor did not contribute to the longitudinal prediction of coronary risk studied.
Conclusions: the usefulness of the profile of activity markers of rheumatoid arthritis analyzed in the prediction of coronary risk was demonstrated.
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