Baillière's clinical rheumatology
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A wide variety of mechanical and non-mechanical disorders are associated with the clinical symptom of low back pain. Mechanical disorders are the cause of the vast majority of low back pain. Despite this frequency, the specific cause of mechanical low back pain can not be elucidated in spite of extensive diagnostic evaluation in a majority of individuals. ⋯ The diagnostic process is more successful in identifying systemic disorders as the specific cause of low back pain. Non-surgical management is effective therapy with most patients with mechanical disorders of any form. Systemic illnesses require interventions directed specifically at healing the affected organ system.
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The main challenge of surgery in the treatment of low back pain lies with the poor knowledge of the aetio-pathogenesis of this symptom. Surgical treatment requires the precise diagnosis of a surgically curable lesion. In low back disorders this research of a precise source of nociception remains elusive even in the presence of radiological abnormalities. ⋯ However, there is a wide choice of attitudes, techniques and procedures for each of those indications and numerous conflicting result reports have been published. This chapter will try to present the best available consensus regarding the indications and results of different surgical procedures in spinal disorders. Most of all, physicians should bear in mind that, in spine surgery perhaps more than in other fields, unreasonable patient (and surgeon) expectations will most likely lead to poor outcomes.