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Neuropathic Pain Components in Patients with Lumbar Spinal Stenosis

 Si Young Park  ;  Howard S An  ;  Seong Hwan Moon  ;  Hwan Mo Lee  ;  Seung Woo Suh  ;  Ding Chen  ;  Jin Ho Jeon 
 YONSEI MEDICAL JOURNAL, Vol.56(4) : 1044-1050, 2015 
Journal Title
Issue Date
Adult ; Aged ; Back Pain ; Decompression, Surgical ; Disability Evaluation ; Female ; Humans ; Lumbar Vertebrae*/surgery ; Male ; Middle Aged ; Neuralgia/complications* ; Neuralgia/epidemiology ; Outcome Assessment (Health Care) ; Pain Measurement/methods* ; Prevalence ; Prospective Studies ; Republic of Korea/epidemiology ; Severity of Illness Index ; Spinal Stenosis/epidemiology ; Spinal Stenosis/surgery* ; Surveys and Questionnaires ; Treatment Outcome
Leads Assessment of Neuropathic Symptoms and Signs ; Neuropathic pain ; Oswestry Disability Index ; spinal stenosis ; visual analog scale
PURPOSE: To determine the prevalence and characteristics of neuropathic pain (NP) in patients with lumbar spinal stenosis (LSS) according to subgroup analysis of symptoms.
MATERIALS AND METHODS: We prospectively enrolled subjects with LSS (n=86) who were scheduled to undergo spinal surgery. The patients were divided into two groups according to a chief complaint of radicular pain or neurogenic claudication. We measured patient's pain score using the visual analog scale (VAS), Oswestry Disability Index (ODI) and Leads Assessment of Neuropathic Symptoms and Signs (LANSS). According to LANSS value, the prevalence of NP component pain in patients with LSS was assessed. Statistical analysis was performed to find the relationship between LANSS scores and the other scores.
RESULTS: From our sample of 86 patients, 31 (36.0%) had a NP component, with 24 (63.4%) in the radicular pain group having NP. However, only seven patients (15.6%) in the neurogenic claudication group had NP. The LANSS pain score was not significantly correlated with VAS scores for back pain, but did correlate with VAS scores for leg pain (R=0.73, p<0.001) and with ODI back pain scores (R=0.54, p<0.01).
CONCLUSION: One-third of the patients with LSS had a NP component. The presence of radicular pain correlated strongly with NP. The severity of leg pain and ODI score were also closely related to a NP component. This data may prove useful to understanding the pain characteristics of LSS and in better designing clinical trials for NP treatment in patients with LSS.
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1. College of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학교실) > 1. Journal Papers
Yonsei Authors
Moon, Seong Hwan(문성환)
Lee, Hwan Mo(이환모) ORCID logo https://orcid.org/0000-0002-5405-3832
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