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Changes in levels of IgM RF and alpha 2 PAG correlate with increased disease activity in rheumatoid arthritis during the puerperium.

Authors
Type
Published Article
Journal
Scandinavian journal of rheumatology
Publication Date
Volume
22
Issue
6
Pages
273–279
Identifiers
PMID: 7505481
Source
Medline
License
Unknown

Abstract

In this prospective study of 24 pregnant patients with rheumatoid arthritis, quiescent disease activity in 21 patients (88%) during gestation was followed by more active disease in the puerperium in 19 patients (79%). Increased disease activity was reflected in a deterioration in manual dexterity and this was found to correlate with a post-partum rise in IgM rheumatoid factor (IgM RF) (r = 0.86) and a post-partum decline in pregnancy associated alpha-2 glycoprotein (PAG) (r = 0.44). The increase in IgM RF also correlated with increased disease activity measured by a visual analogue scale (r = 0.44). Changes in IgA RF were not observed. These results suggest that PAG and IgM RF could contribute to the modulation and pathogenesis of rheumatoid arthritis during pregnancy.

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