Clinical impact of stage-specific central sensitization-related symptoms in hip osteoarthritis secondary to acetabular dysplasia

Clinical impact of stage-specific central sensitization-related symptoms in hip osteoarthritis secondary to acetabular dysplasia. Download PDF Abstract This study aimed to compare the characteristics of central sensitization (CS)-related symptoms between mild and severe hip osteoarthritis (OA) secondary to acetabular dysplasia and to clarify their associations with hip pain. A total of 116 patients with unilateral hip OA secondary to acetabular dysplasia or borderline dysplasia (center-edge angle ≤ 25°) were enrolled.

Patients were classified into mild (Tönnis grade 0–1, n = 39) and severe (Tönnis grade 2–3, n = 77) OA groups. CS-related symptoms were assessed using the Central Sensitization Inventory (CSI), including domain-specific scores (Physical Symptoms, Emotional Distress, Headache/Jaw Symptoms, and Urological Symptoms). Hip pain intensity was evaluated with the Visual Analog Scale (VAS).

Between-group comparisons were conducted, and multivariate regression analyses were performed to examine the associations between CSI domain scores and VAS. VAS scores were higher in the severe OA group than in the mild OA group. Total CSI scores did not differ significantly between groups.

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