Produção Nacional
Revisado por pares
NEUROPATHIC-LIKE SYMPTOMS AND CENTRAL SENSITIZATION RELATED SIGNS AND SYMPTOMS NEGATIVELY AFFECT THE FUNCTIONAL PERFORMANCE OF PATIENTS WITH KNEE OSTEOARTHRITIS
2024; Elsevier BV; Volume: 28; Linguagem: Inglês
10.1016/j.bjpt.2024.100817
ISSN1809-9246
AutoresEnrico Seixas Goldoni, Juliana Valentim Bittencourt, Lanucia Ranhol do Espírito Santo, Dângelo José de Andrade Alexandre, Leandro Alberto Calazans Nogueira,
Tópico(s)Pain Mechanisms and Treatments
ResumoKnee osteoarthritis is one of the main causes of disability in the elderly. Most of this population has movement restrictions and functional limitations (morning stiffness, reduced joint mobility, crackles and muscle atrophy) that compromise the performance of daily activities. Therefore, investigating aspects of the functionality of patients with knee osteoarthritis is relevant. This study aimed to compare the functional performance among participants with a neuropathic-like symptoms and central sensitization related signs and symptoms, and their knee osteoarthritis counterparts. A cross-sectional observational study was conducted with 125 participants with knee osteoarthritis (94 females, mean age 63.1±7.4 years). Participants completed a self-reported questionnaire with personal and clinical features and musculoskeletal pain characteristics, including neuropathic-like symptoms (PainDETECT questionnaire), central sensitization related signs and symptoms (Central Sensitization Inventory, CSI), and conditioned pain modulation (Cold Pressor Test). Self-reported functional disability (Western Ontario and McMaster Universities Osteoarthritis Index, WOMAC) and functional mobility (Timed Up and Go, TUG) were compared among patients with neuropathic-like symptoms, central sensitization related signs and symptoms and their knee osteoarthritis counterparts using the one-way analysis of variance (ANOVA). Thirty-three (26.4%) participants had neuropathic-like symptoms and central sensitization related signs and symptoms, eighteen (14.4%) had neuropathic-like symptoms, twenty-seven (21.6%) participants had central sensitization related signs and symptoms, and 47 (37.6%) had knee osteoarthritis with no neuropathic-like symptoms or central sensitization related signs and symptoms. A one-way ANOVA revealed greater functional limitation in the group with neuropathic-like symptoms and central sensitization related signs and symptoms (mean = 67.5±12.0) or neuropathic-like symptoms (mean = 56.7±17.5) than the group without these symptoms (mean = 32.0±20.7) with a statistical significance difference [F(3, 121) = 29.434, p < 0.001] in the WOMAC total score. The group with neuropathic-like symptoms and central sensitization related signs and symptoms (mean = 19.2±7.4) or neuropathic-like symptoms (mean = 16.3±6.3) had slower velocity than the group without these symptoms (mean = 11.6±3.5) with a statistical significance difference [F(3,121) = 10.045, p < 0.001] in the TUG test. Participants with knee osteoarthritis and neuropathic-like symptoms or central sensitization pain phenotype have greater functional limitations than their counterparts. Identifying distinct pain phenotypes in patients with knee osteoarthritis is endorsed to treat these patients adequately. The phenotype with neuropathic plus central pain component share similarities with patients with neuropathic-like symptoms, except for the conditioned pain modulation. Measuring the factors that affect the functionality in patients waiting for knee replacement may contribute to assertive decision-making. In this sense, the presence of neuropathic-like symptoms or central sensitization leads to a unfavored clinical outcomes in patients with knee osteoarthritis.
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