Menz, HB ORCID: https://orcid.org/0000-0002-2045-3846, Allan, J, Buldt, A, Landorf, K, Cicuttini, F, Roddy, E ORCID: https://orcid.org/0000-0002-8954-7082 and Munteanu, S (2022) NEUROPATHIC PAIN IN FIRST METATARSOPHALANGEAL JOINT OSTEOARTHRITIS: FREQUENCY AND ASSOCIATED FACTORS. In: Australian Rheumatology Association 62nd Annual Scientific Meeting, 20-22 May 2022, Sydney, Adelaide, Brisbane, Hobart, Melbourne, Australia and Auckland, New Zealand.

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Abstract

Aim: To determine whether neuropathic pain is a feature of first metatarsophalangeal (MTP) joint osteoarthritis (OA). Method: Ninety-eight participants (54 women and 44 men, mean age 57.4 years, standard deviation 10.3) with symptomatic radiographic first MTP OA who were enrolled in a randomised trial assessing the effectiveness of shoe-stiffening inserts completed the painDETECT questionnaire (PDQ), which incorporates 9 questions regarding the intensity and quality of pain. The likelihood of neuropathic pain was determined using established cut-points of the PDQ (total score 38 points), where scores of ≤12 represent unlikely neuropathic pain, 13 to 18 represent possible neuropathic pain, and ≥19 represent likely neuropathic pain. Participants with unlikely neuropathic pain were then compared to those with possible/likely neuropathic pain in relation to age, sex, general health (Short Form [SF] 12), psychological wellbeing (Depression, Anxiety and Stress Scale), pain characteristics (self-efficacy, duration and severity), foot health (Foot Health Status Questionnaire [FHSQ]), first MTP dorsiflexion range of motion and radiographic severity using chi-squared or independent samples t-tests, where appropriate. Effect sizes (Cohen's d) were also calculated. Results: Thirty (31%) participants had possible/likely neuropathic pain (possible n=19, [19.4%], likely n=11 [11.2%]), as defined by the PDQ. The most common neuropathic symptoms were sensitivity to pressure (56%), sudden pain attacks/electric shocks (36%) and burning (25%). Compared to those with unlikely neuropathic pain, those with possible/likely neuropathic pain were significantly older (d=0.59, p=0.010), had worse scores on the SF12 Physical (d=1.10, p<0.001), pain self-efficacy (d=0.98, p<0.001), FHSQ Pain (d=0.98, p<0.001) and Function (d=0.82, p<0.001) questionnaires, and had higher pain severity at rest (d=1.01, p<0.001). Conclusions: A significant proportion of individuals with first MTP joint OA report symptoms suggestive of neuropathic pain, which may explain suboptimal responses to commonly-used treatments. Clinical screening for neuropathic pain may assist in the selection of targeted interventions and improve clinical outcomes.

Item Type: Conference or Workshop Item (Paper)
Additional Information: The final version of this published conference article, and all relevant information related to it, including copyrights, can be found on the publisher website.
Subjects: R Medicine > R Medicine (General)
R Medicine > RC Internal medicine > RC925 Diseases of the musculoskeletal system
Divisions: Faculty of Medicine and Health Sciences > School of Medicine
Related URLs:
Depositing User: Symplectic
Date Deposited: 22 Jul 2022 12:28
Last Modified: 22 Jul 2022 12:28
URI: https://eprints.keele.ac.uk/id/eprint/11098

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