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Erschienen in: Clinical Rheumatology 11/2021

02.07.2021 | Original Article

Genicular nerve block in rheumatoid arthritis: a randomized clinical trial

verfasst von: A. M. Elsaman, A. Maaty, A. Hamed

Erschienen in: Clinical Rheumatology | Ausgabe 11/2021

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Abstract

Objective

This study highlights the effect of a genicular nerve block (GNB) on pain, function, and inflammation outcome measures in rheumatoid arthritis (RA) knees.

Methods

A total of sixty-four patients diagnosed with RA using ACR/EULAR 2010 criteria with unilateral persistent knee arthritis were recruited to the study. They were randomly assigned into two groups: group 1 received GNB and group 2 received intra-articular triamcinolone. Both groups were examined by the SOLAR scoring system, visual analog scale (VAS), and Lysholm score at 0, 2, and 12 weeks. A semi-quantitative score was used to assess the tenderness and swelling at the same intervals.

Results

Function and inflammation improved significantly in group 2 at a 2-week interval as compared to group 1, whereas pain improved in both groups with non-significant differences. After 12 weeks, group 1 showed significant improvement as compared with group 2 for the three outcome measures. Neither the disease activity nor the current medication was related to the GNB effect. Disease duration was negatively related to GNB-induced improvement.

Conclusion

GNB is a new promising local therapy for RA to control pain, improve function, and alleviate inflammation of the knee joint. Although it has a relatively short-term effect, yet it has outperformed the steroid effect.
Key Points
Knee monoarthritis treatment in rheumatoid arthritis is always challenging
GNB has been approved for the treatment of pain in knee osteoarthritis
GNB in this study was able to control active knee arthritis and this effect persisted longer thane intra-articular steroid injection
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Metadaten
Titel
Genicular nerve block in rheumatoid arthritis: a randomized clinical trial
verfasst von
A. M. Elsaman
A. Maaty
A. Hamed
Publikationsdatum
02.07.2021
Verlag
Springer International Publishing
Erschienen in
Clinical Rheumatology / Ausgabe 11/2021
Print ISSN: 0770-3198
Elektronische ISSN: 1434-9949
DOI
https://doi.org/10.1007/s10067-021-05821-5

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