European journal of pain : EJP
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To determine the minimal clinically important difference (MCID) of changes in chronic musculoskeletal pain intensity that is most closely associated with improvement on the commonly used and validated measure of the patient's global impression of change (PGIC), and to estimate the dependency of the MCID on the baseline pain scores. ⋯ These results are consistent with the recently published findings generated by different methods and support the use of a "much better" improvement on the pain relief as a clinically important outcome. A further confirmation in other patient populations and different chronic pain syndromes will be needed.
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To investigate the clinical features of idiopathic headache with early onset, whose presence is probably underestimated by parents and physicians and the influence of environmental and psychological factors on headache in children. ⋯ A better clinical definition of the disorder would make it easier to identify very young affected children and consequently to plan more specific therapeutic interventions, taking into account environmental and psychological factors. A diagnosis of idiopathic headache becomes particularly significant: according to our cases, despite their being limited in number, migraine and tension headache can be considered also as indices of individual or family related problems requiring appropriate psychiatric or psychological intervention. This stresses the need for a multidisciplinary team of specialists that would include a psychologist/ psychiatrist or headache specialist with specific training in psychiatry.
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Clinical Trial
Intrathecal baclofen as adjuvant therapy to enhance the effect of spinal cord stimulation in neuropathic pain: a pilot study.
Only about 60-70% of well selected patients with neuropathic pain syndromes of peripheral origin enjoy sufficient pain relief with spinal cord stimulation (SCS). Since recent animal experiments have demonstrated that the GABA-B receptor is pivotal in the effect of SCS on certain neuropathic symptoms, the use of baclofen as an adjunct to stimulation emerged as an option in patients not responding satisfactorily to SCS. Forty-eight patients with neuropathic pain of peripheral origin responding poorly to SCS were enrolled in a study with intrathecal baclofen; in a few cases adenosine was also tried. ⋯ The group with SCS+pump n=5; 2 explanted) reported an average decrease of pain ratings from VAS 82 to 33. The group with i.t. baclofen only had a pain decrease from VAS 63 to 33, while the three patients with peroral baclofen+SCS had less benefit from drug therapy. Adjunctive drug therapy for patients with unsatisfactory pain relief by SCS may offer a possibility to enhance pain alleviation.
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The effect of electroconvulsive therapy (ECT) on depression and other symptoms of fibromyalgia was studied in a prospective 3-month trial in 13 patients with fibromyalgia and concomitant depression. All the patients met the DSM-IV diagnostic criteria for Major Depressive Disorder and fulfilled the American College of Rheumatology diagnostic criteria for fibromyalgia. The Montgomery and Asberg Depression Rating Scale (MADRS) and the clinical global impression scale (CGI) were used to assess the severity of depression and the clinical change of the patients. ⋯ There was significant improvement in four out of ten FIQ item scores, "feel good", "fatigue", "anxiety" and "depression". No significant change was found in the FIQ item scores "physical function", "pain", "stiffness" and "morning tiredness" or number of tender points and self-reported pain. We conclude that ECT is a safe and effective treatment for depression in fibromyalgia patients, but has no effect on the pain or other physical symptoms of these patients.
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Recent research suggests that the interpretation of maximal endpoints of pain scales vary between sexes. The purposes of this study were to investigate sex differences in (a) maximal endpoints of pain scales and (b) bias, discrimination, and the "better than average effect" for ratings of common pain events. Study participants described and rated the intensity of events that were the "most intense pain imaginable" for the typical woman, typical man, and one's self. ⋯ Women rated the intensity of common pain events for themselves lower than for the typical woman, but higher than the typical man, and men rated also rated themselves as lower than the typical women, but the same as the typical man. Thus, there was inconsistent support for the "better than average effect". Future research is needed to determine the clinical relevance of sex differences in pain anchors and gender-related stereotypes for evaluating other people's pain.