ABSTRACT
Aim: To assess the prevalence of neuropathic pain (NP) in patients with sciatica and to determine the associated factors with increased incidence of neuropathic component in sciatica. Methods: A cross-sectional study enrolled 80 patients with sciatica from a rheumatology outpatient Hospital. Pain severity was measured using the Visual Analogue Scale (VAS). The prevalence of NP was assessed according to the Douleur Neuropathique 4 (DN4). Statistical analysis was performed to find the factors closely related with NP. Results: A total of 70% of the participants were classified as having NP. The DN4 score≥4 was not significantly correlated with VAS, but was significantly associated with gender (sex ratio=0.9; p=0,013), low educational level (p=0,008), illiteracy (p=0,012), chronic disease (p=0,019) and facet joint osteoarthritis (p=0,06). In multivariate logistic regression analysis, only chronicity of the disease remained an independent factor associated with NP in sciatica (OR=5,8). Conclusion: In the present study, NP was a major contributor to sciatica and the DN4 scale was a practical and rapidly administered screening tool for distinguishing the relative contributions of neuropathic component. The knowledge of the associated factors with NP in sciatica may improve the management of NP when these factors can be modified and targeted for treatment.
ABSTRACT
Spinal injections of corticosteroid are commonly performed by rheumatologists in their daily practice but little is known about the frequency, the intensity and the management of procedural pain observed in these osteoarticular injections in daily practice. To evaluate the prevalence and intensity of pain caused by spinal injections. In this observational prospective study, data were collected over 6 months, for up to 44 procedures [corticosteroid spinal injection]. Evaluation of the pain was evaluated immediately before and after the injection using Huskisson's visual analogue scale [VAS]. Statistical analysis was carried out in order to compare patients who had suffered from pain whilst undergoing the procedure to those who had not. Data were analyzed for 17 patients [12 female, mean age 53.6 +/- 10.5 years]. Over 50% of patients experienced procedural pain. Significant predictive factors of genesis of the procedural pain were the young age [p=0.022] and the intensity of the initial pain [p < 0.001], while the existence of a co morbidity is rather a protective factor [p = 0.006]. Others factors such us sex, origin, level of studies, socioeconomic conditions, didn't seem to have of effect on the procedural pain. Most patients undergoing spinal injections suffer from procedural pain. Specific research and guidelines for the management of procedural pain related to rheumatologic care should be established to improve the quality of care provided by physicians