Altered levels of exhaled nitric oxide in rheumatoid arthritis

Nitric Oxide : Biology and Chemistry
A ThornadtssonM Högman

Abstract

Rheumatoid arthritis (RA) is an autoimmune disorder characterized by bone and joint destruction, but other organ systems can also be involved. Recent studies have suggested that the disease may start in the lungs. Exhaled nitric oxide (FENO) is a marker of inflammation. The aims of the study were to compare the NO parameters between subjects with RA and healthy control subjects, and to examine whether the NO parameters correlated with lung function and disease activity in the subjects with RA. Subjects with RA (n = 35) were recruited during their regular outpatient visits to the rheumatology department. The nitric oxide (NO) parameters: alveolar NO concentration (CANO), airway compartment diffusing capacity of NO (DawNO), and tissue concentration of NO in the airway wall (CawNO), were algorithmically estimated. Healthy subjects (n = 35) matched by age, gender and height were used as controls. Data are given in median, (quartile 25, 75). Wilcoxon Matched Pairs test was used for group comparisons. Mann-Whitney U test was used to make comparisons between any two groups and for pairwise comparisons. Correlations were tested with Spearman rank order correlation. CANO was significantly lower in the RA subjects compared with healthy s...Continue Reading

Citations

Jun 5, 2020·Current Medicinal Chemistry·Lauri LehtimäkiMarieann Högman

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