Evaluation of the Neuropathic Component of Chronic Low Back Pain

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Publikace nespadá pod Pedagogickou fakultu, ale pod Lékařskou fakultu. Oficiální stránka publikace je na webu muni.cz.
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ANDRAŠINOVÁ Tereza VAGASKÁ Eva KOPÁČIK Roman ŠROTOVÁ Iva VLČKOVÁ Eva DUŠEK Ladislav BEDNAŘÍK Josef ADAMOVÁ Blanka

Rok publikování 2019
Druh Článek v odborném periodiku
Časopis / Zdroj The Clinical Journal of Pain
Fakulta / Pracoviště MU

Lékařská fakulta

Citace
www http://dx.doi.org/10.1097/AJP.0000000000000653
Doi http://dx.doi.org/10.1097/AJP.0000000000000653
Klíčová slova Neuropathic pain; low back pain; quantitative sensory testing
Popis 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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