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Evaluation of the Neuropathic Component of Chronic Low Back Pain
T. Andrasinova, E. Kalikova, R. Kopacik, I. Srotova, E. Vlckova, L. Dusek, J. Bednarik, B. Adamova,
Jazyk angličtina Země Spojené státy americké
Typ dokumentu časopisecké články, pozorovací studie, práce podpořená grantem
Odkazy
PubMed
30222611
DOI
10.1097/ajp.0000000000000653
Knihovny.cz E-zdroje
- MeSH
- biopsie MeSH
- dospělí MeSH
- komprese míchy komplikace MeSH
- kůže patologie MeSH
- lidé středního věku MeSH
- lidé MeSH
- lumbalgie komplikace diagnóza patologie MeSH
- měření bolesti MeSH
- míšní kořeny patologie MeSH
- mladý dospělý MeSH
- nervová vlákna patologie MeSH
- neuralgie komplikace diagnóza patologie MeSH
- neurologické vyšetření MeSH
- poruchy senzitivity diagnóza etiologie MeSH
- průřezové studie MeSH
- radikulopatie etiologie patologie MeSH
- senioři MeSH
- spinální stenóza komplikace MeSH
- Check Tag
- dospělí MeSH
- lidé středního věku MeSH
- lidé MeSH
- mladý dospělý MeSH
- mužské pohlaví MeSH
- senioři MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- pozorovací studie MeSH
- práce podpořená grantem MeSH
OBJECTIVES: Assessment of neuropathic pain in chronic low back syndromes is important. However, there is currently no gold standard for its diagnosis. The aim of this observational cross-sectional study was to assess the neuropathic component of pain in various chronic low back pain syndromes using a range of diagnostic tests. MATERIALS AND METHODS: Included in this study were 63 patients with chronic axial low back pain (ALBP), 48 patients with chronic radicular syndromes (CRS) comprising 23 with discogenic compression (CDRS) and 25 with lumbar spinal stenosis (LSS), and 74 controls. PainDETECT questionnaire (PDQ), quantitative sensory testing (QST), and skin biopsy with evaluation of intraepidermal nerve fiber density (IENFD) were used to assess the neuropathic pain component. RESULTS: Positive PDQ (≥19) was obtained more frequently in patients with CDRS and LSS (26.1% and 12.0%, respectively) compared with patients with ALBP (1.6%, P<0.001). The proportion of patients with sensory loss confirmed by QST was lowest in the ALBP subgroup (23.8%) compared with CDRS (47.8%), and LSS (68.0%) subgroups (P<0.001). A reduction in IENFD was disclosed in a proportion of up to 52.0% of affected roots in patients with CRS. DISCUSSION: Neuropathic pain is quite frequent in CRS, and QST reveals sensory loss as a frequent abnormality in patients with CRS. Using a cut-off value of 19, PDQ identified a neuropathic component in a relatively low proportion of patients with CRS. CRS may be associated with a reduction in IENFD.
Department of Neurology University Hospital and Masaryk University Brno
Institute of Biostatistics and Analyses Faculty of Medicine Masaryk University Brno Czech Republic
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- $a OBJECTIVES: Assessment of neuropathic pain in chronic low back syndromes is important. However, there is currently no gold standard for its diagnosis. The aim of this observational cross-sectional study was to assess the neuropathic component of pain in various chronic low back pain syndromes using a range of diagnostic tests. MATERIALS AND METHODS: Included in this study were 63 patients with chronic axial low back pain (ALBP), 48 patients with chronic radicular syndromes (CRS) comprising 23 with discogenic compression (CDRS) and 25 with lumbar spinal stenosis (LSS), and 74 controls. PainDETECT questionnaire (PDQ), quantitative sensory testing (QST), and skin biopsy with evaluation of intraepidermal nerve fiber density (IENFD) were used to assess the neuropathic pain component. RESULTS: Positive PDQ (≥19) was obtained more frequently in patients with CDRS and LSS (26.1% and 12.0%, respectively) compared with patients with ALBP (1.6%, P<0.001). The proportion of patients with sensory loss confirmed by QST was lowest in the ALBP subgroup (23.8%) compared with CDRS (47.8%), and LSS (68.0%) subgroups (P<0.001). A reduction in IENFD was disclosed in a proportion of up to 52.0% of affected roots in patients with CRS. DISCUSSION: Neuropathic pain is quite frequent in CRS, and QST reveals sensory loss as a frequent abnormality in patients with CRS. Using a cut-off value of 19, PDQ identified a neuropathic component in a relatively low proportion of patients with CRS. CRS may be associated with a reduction in IENFD.
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