Does non-erosive rheumatoid arthritis exist? A cross-sectional analysis and a systematic literature review

Jenny Amaya-Amaya, Omar Javier Calixto, Sandra Saade-Lemus, Enrique Calvo-Paramo, Ruben Dario Mantilla, Adriana Rojas-Villarraga, Juan Manuel Anaya

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Objective: To evaluate the prevalence and factors associated with non-erosive rheumatoid arthritis (RA). Methods: First, a cross-sectional analytical study was performed. Non-erosive disease, defined as the absence of any erosion on X-rays after 5 years of RA, was evaluated in 500 patients. Further and additional evaluations including ultrasonography (US) and computed tomography (CT) were performed in those patients meeting the eligibility criteria. The Spearman correlation coefficient, kappa analysis, and Kendall[U+05F3]s W test were used to analyze the data. Second, a systematic literature review (SLR) was performed following the PRISMA guidelines. Results: Of a total of 40 patients meeting the eligibility criteria for non-erosive RA, eight patients were confirmed to have non-erosive RA by the three methods. A positive correlation between non-erosive RA and shorter disease duration, antinuclear antibodies positivity, lower rheumatoid factor (RF) and C-reactive protein titers, lower global visual analog scale values, toxic exposures, and lower disease activity-(RAPID3) was found. In addition, an inverse correlation with anticyclic citrullinated peptide antibodies (ACPA) positivity and medication use was observed. From the SLR, it was corroborated that factors associated with this subphenotype were shorter disease duration, younger disease onset, negative ACPA and RF titers, low cytokine levels, and some genetic markers. Conclusion: Non-erosive RA is rare, occurring in less than 2% of cases. These findings improve on the understanding of RA patients who present without erosions and are likely to have less severe disease.

Original languageEnglish (US)
Pages (from-to)489-498
Number of pages10
JournalSeminars in Arthritis and Rheumatism
Volume44
Issue number5
DOIs
StatePublished - Apr 1 2015

All Science Journal Classification (ASJC) codes

  • Rheumatology
  • Anesthesiology and Pain Medicine

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