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Clinical Rheumatology

, Volume 38, Issue 11, pp 2995–3003 | Cite as

Patient satisfaction and outcomes of partial wrist denervation in inflammatory arthritis

  • Theresa S. Peltz
  • Liam Z. YappEmail author
  • Firaz K. Elherik
  • Steffen J. Breusch
Original Article
  • 59 Downloads

Abstract

Introduction

Inflammatory arthritis frequently affects the wrist, resulting in pain and disability. This study aims to investigate the long-term outcome of patients who underwent posterior interosseous nerve (PIN) denervation for inflammatory arthritis of the wrist.

Method

xForty consecutive wrists (36 patients) treated with PIN denervation were identified (mean follow-up 47 months; mean age 62.6 years, 77.5% female). Pain and function scores were objectively measured using the patient-rated wrist-evaluation (PRWE) questionnaires. Data was compared for pre-operation and post-operation (early and long term). The Student’s t test was used to compare differences between groups for continuous data, whilst the sign test was utilised for pairwise comparisons. The p value was set at 0.05 for all comparisons.

Results

Three patients died during the course of this study from causes unrelated to wrist surgery, resulting in 93% follow-up. PRWE questionnaires demonstrated a significant improvement following PIN denervation (median pain pre-op 42 vs post-op 16 (p < 0.001); median function pre-op 82 vs post-op 41 (p < 0.001), respectively). There were no differences identified between early and long-term post-operative scores. Four cases (10%) had persistent, ulnar-based pain and required secondary salvage wrist arthrodesis. However, 95% of patients remained “very satisfied” or “satisfied” after surgery.

Conclusions

This study highlights the effectiveness of PIN denervation as a simple alternative to wrist arthrodesis due to long-term improvement in pain and preservation of function. We recommend this procedure in the presence of a positive diagnostic PIN infiltration test to avoid wrist arthrodesis for as long as possible. In patients with predominantly ulnar-based wrist pain, the outcome is less predictable and this subgroup of patients should be counselled about the possibility of subsequent salvage wrist fusion.

Key Points

• One of the largest study cohorts which report on the outcome of the wrist PIN denervation procedure with over 2-year follow-up

• Clinical outcomes of success are enhanced with the use of validated, objective patient-reported outcome measures relating to overall satisfaction, pain relief and function.

• Long-term outcomes are compared to pre-operative and immediate post-operative outcome scores, demonstrating the benefits of PIN denervation and the longevity it provides.

Keywords

Denervation Posterior interosseous nerve Psoriatic arthritis Rheumatoid arthritis Wrist 

Notes

Acknowledgments

The authors are grateful to Mrs. Caroline Hislop and Dr. Margaret MacDougall for their respective administrative and statistical support during this study.

Compliance with ethical standards

Disclaimer

The authors retain full control of all primary data utilised in this study. Anonymised data shall be made available if requested.

Disclosures

None.

Supplementary material

10067_2019_4645_MOESM1_ESM.docx (14 kb)
Appendix 1 (DOCX 13 kb)
10067_2019_4645_MOESM2_ESM.docx (266 kb)
Appendix 2 (DOCX 265 kb)
10067_2019_4645_MOESM3_ESM.docx (16 kb)
Appendix 3 (DOCX 16 kb)

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Copyright information

© International League of Associations for Rheumatology (ILAR) 2019

Authors and Affiliations

  1. 1.University of EdinburghEdinburghUK
  2. 2.Royal Infirmary of EdinburghEdinburghUK

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