• Pain Res Manag · Jan 2023

    Neuropathic Pain Was Associated with Central Sensitivity Syndrome in Patients with Preoperative Lumbar Spinal Stenosis Using the painDETECT and Central Sensitization Inventory Questionnaires: A Cross-Sectional Study.

    • Rintaro Iwasaki, Takahiro Miki, Mizuki Miyazaki, Chifumi Kanetaka, Tetsuryu Mitsuyama, and Kaiji Ota.
    • Department of Rehabilitation, Shisyokai Hakusan Clinic, Tokyo, Japan.
    • Pain Res Manag. 2023 Jan 1; 2023: 99636279963627.

    BackgroundLumbar spinal stenosis (LSS) patients have been reported to have neuropathic pain and central sensitivity syndrome (CSS). These associations have been reported in other diseases but are unknown in preoperative LSS patients. We aimed to investigate the association between neuropathic pain and CSS in preoperative LSS patients using the painDETECT and the Central Sensitization Inventory (CSI) questionnaires.MethodsThis cross-sectional study was conducted from November 2021 to March 2022. The data were collected regarding demographics and pain, including neuropathic pain, numbness, LSS severity, physical function, quality of life, and CSS. Patients were divided into two groups, patients with acute and chronic pain, and further classified into three categories based on the clinical phenotype of patients in each group. Independent variables included age, gender, type of LSS (bilateral or unilateral symptoms), Numerical Rating Scale of leg pain, CSI, and the Zurich Claudication Questionnaire (ZCQ) for symptom severity and physical function. The dependent variable was painDETECT. Multiple regression analysis using the forced entry method examined the association between painDETECT and CSI.ResultsOf the 119 patients with preoperative LSS, 106 were included. The mean age of the participants was 69.9 years, and 45.3% were female. Neuropathic pain was present in 19.8%, and CSS was present in 10.4%. The CSI (β = 0.468, p < 0.001) and ZCQ for symptom severity (β = 0.304, p < 0.01) were significantly associated with the painDETECT, explaining 47.8% of the variance in the painDETECT score.ConclusionsThere is an association between neuropathic pain and CSS in patients with preoperative LSS using the painDETECT and CSI questionnaires.Copyright © 2023 Rintaro Iwasaki et al.

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