Articles: chronic.
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It is widely believed that the extent of a patient's subjective complaints are often based on developmental, psychological, social, and cultural factors rather than structural or physical pathology. In patients presenting with chronic low back pain, underlying behavioral problems may not be immediately apparent. These behavioral or non-physiological issues may be secondary to a deliberate deception or may be associated with psychological distress. ⋯ Results showed that 27 patients (22%) presented with non-physiological symptoms, 34 patients (28%) with non-physiological signs, and 19 patients (16%) with combined presence of non-physiological signs and symptoms. Overall there was significant correlation of non-physiological signs with depression, anxiety, and somatization, both by diagnosis of depression, diagnosis of anxiety and elevated scores. However, correlation was present for non-physiological symptoms only with elevated scores of anxiety and somatization.
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The precise cause of low back pain based on clinical history, physical examination, radiological imaging, and electrophysiological testing can be identified in only 15% of patients in the absence of disc herniation and neurological deficit. The prevalence of chronic lumbar zygapophysial (facet) joint pain ranges from 15% to 45% utilizing comparative local anesthetic blocks in controlled settings in accordance with the criteria established by the International Association for the Study of Pain. Currently, facet joint injection procedures are considered as the gold standard in the diagnosis of facet joint pain. ⋯ Since we are unable to apply reference standards of biopsy, surgery, or autopsy, and pain relief has been argued as an inconsistent feature, long-term follow-up has been considered as the best indicator. This study was undertaken to evaluate stability of the diagnosis of lumbar facet joint pain following comparative local anesthetic blocks at a follow-up after 2 years. The results showed that 85% of the patients available for follow-up withstood the diagnosis of facet joint pain at the end of 2 years, whereas this proportion decreased to 75%, if all the patients in the study were included in the analysis.
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Evidence-based practice guidelines for interventional techniques in the management of chronic spinal pain are systematically developed and professionally derived statements and recommendations that assist both physicians and patients in making decisions about appropriate health care in the diagnosis and treatment of chronic or persistent pain. The guidelines were developed utilizing an evidence-based approach to increase patient access to treatment, to improve outcomes and appropriateness of care, and to optimize cost-effectiveness. All types of relevant and published evidence and consensus were utilized. ⋯ It is expected that a provider will establish a plan of care on a case-by-case basis, taking into account an individual patient's medical condition, personal needs, and preferences, and the physician's experience. Based on an individual patient's needs, treatment different from that outlined here could be warranted. These guidelines do not represent "standard of care."
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Fluoroscopy is an integral part of the practice of interventional pain management in present day modern medical practices. The major purpose of fluoroscopy in interventional pain management is correct needle placement to ensure target specificity and accurate delivery of the injectate. Fluoroscopy has become mandatory for multiple procedures based either on the definition of the procedure or the requirement of third parties. ⋯ The average exposure outside the apron was 1.345 mREM per patient and 0.778 mREM per procedure outside the apron and 0 mREM inside the apron. The levels of exposure are significantly below the annual limits recommended. It is concluded that it is feasible to perform all procedures under fluoroscopy in the described setting safely and effectively in interventional pain management.
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The role of zygapophysial (facet) joints in chronic thoracic pain has received very little attention with only a few publications discussing these joints as sources of pain. In contrast, facet joints have been implicated as responsible for chronic pain in a significant proportion of patients with chronic neck and low back pain. However, thoracic spinal pain, though less common, has been reported to be as disabling as neck and low back pain. ⋯ Results showed that 46 patients underwent single blocks with lidocaine and 36 of these patients, or 78%, were positive for facet joint pain, reporting a definite response. Confirmatory blocks with bupivacaine were performed in all patients who were lidocaine-positive, with 61%, or 48% of the total sample of the lidocaine-positive group, reporting a definite response with improvement in their pain. Thus, comparative local anesthetic blocks showed the prevalence of facet joint pain to be 48%, with single blocks carrying a false-positive rate of 58%.