Articles: back-pain.
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Two studies are reported that tested the fear-avoidance (FA) model using path analytic techniques. In study 1, 429 employees with back pain at baseline and back pain at 18 months follow-up completed questionnaires assessing sociodemographic information, pain severity, negative affect, pain-related fear, and disability. Results indicated that pain severity at baseline predicted pain-related fear and disability at follow-up, and that pain-related fear is rather a consequence than an antecedent of pain severity. ⋯ A similar model as in study 1 was tested. Overall, results are in line with those of study 1. Results are discussed in terms of theoretical relevance and clinical implications.
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Private musculoskeletal practitioners treat a large section of people with back pain, and could play an important role in returning and maintaining patients to work. ⋯ In summary, the study identifies several areas in which further education could expand the role of musculoskeletal practitioners and benefit their back pain patients. However, further study is required to determine whether these results are generalisable beyond the limits of this qualitative study UK based study.
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Transforaminal epidural injection is an effective method for treating spinal pain but can cause devastating complications that result from accidental vascular uptake of the injectate or a direct vascular injury. We prospectively evaluated the patient factors that might be associated with intravascular uptake during transforaminal epidural injections. A total of 2145 injections were performed on 1088 patients under contrast-enhanced real-time fluoroscopic guidance. ⋯ The highest incidence was at the cervical level (28/136; 20.6%), followed by the sacral level (111/673; 16.5%), the thoracic level (23/280; 8.2%) and the lumbar level (64/1056; 6.1%). The difference was significant for the cervical and sacral level compared with the lumbar and thoracic levels (p < 0.001). Intravascular injection was not associated with the other patient characteristics studied.
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Randomized Controlled Trial Comparative Study
Intraoperative ketamine reduces perioperative opiate consumption in opiate-dependent patients with chronic back pain undergoing back surgery.
Ketamine is an N-methyl-d-aspartate receptor antagonist that has been shown to be useful in the reduction of acute postoperative pain and analgesic consumption in a variety of surgical interventions with variable routes of administration. Little is known regarding its efficacy in opiate-dependent patients with a history of chronic pain. We hypothesized that ketamine would reduce postoperative opiate consumption in this patient population. ⋯ Intraoperative ketamine reduces opiate consumption in the 48-h postoperative period in opiate-dependent patients with chronic pain. Ketamine may also reduce opioid consumption and pain intensity throughout the postoperative period in this patient population. This benefit is without an increase in side effects.