Articles: back-pain.
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A survey was done of 250 patients with low back pain and sciatica, treated as outpatients in a pain relief practice, with epidural steroid injections. Repeated injections improved the success rate and provided a safe, cost effective means of treatment without the necessity of hospital admission.
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Twenty-one chronic low back pain (CLBP) patients and 20 control subjects participated in 8 successive cold pressor tests (CPT). The hypotheses were that: (1) CLBP patients would demonstrate poorer acute pain tolerance and report higher acute pain, and (2) CLBP patients would become sensitized during 8 successive CPT trials, while control subjects would habituate, resulting in increasing differences in test behavior between both groups. ⋯ These findings lead one to conclude that the deviant acute pain behavior of CLBP patient may be regarded either as a consequence of CLBP or as an important risk factor in the development of CLBP. Patients with relatively high CLBP levels performed poorly on the CPT as compared with patients with relatively low CLBP levels.
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This article, say the authors, serves as a reminder that the posterior articulations of the lumbar spine are key elements in the production of low back pain and sciatica.
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Review
1987 Volvo award in clinical sciences. A new clinical model for the treatment of low-back pain.
Because there is increasing concern about low-back disability and its current medical management, this analysis attempts to construct a new theoretic framework for treatment. Observations of natural history and epidemiology suggest that low-back pain should be a benign, self-limiting condition, that low back-disability as opposed to pain is a relatively recent Western epidemic, and that the role of medicine in that epidemic must be critically examined. The traditional medical model of disease is contrasted with a biopsychosocial model of illness to analyze success and failure in low-back disorders. ⋯ We must distinguish pain as a purely the symptoms and signs of distress and illness behavior from those of physical disease, and nominal from substantive diagnoses. Management must change from a negative philosophy of rest for pain to more active restoration of function. Only a new model and understanding of illness by physicians and patients alike makes real change possible.
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The value of patient response to epidural steroid injection as a predictor of surgical outcome was studied. One hundred and eighty-seven patients with clinical signs of root compression underwent lumbar epidural steroid injection. Eighty-five of these patients had been told that an operation on the lumbar spine would be necessary. ⋯ A statistical comparison of these two groups revealed the probability of these occurrences of 0.088. There was no correlation between outcome of open surgical procedures and response to epidural steroids. Epidural steroid injection may be a valuable aid to predicting the outcome of chemonucleolysis.