Pain
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Randomized Controlled Trial Clinical Trial
Intravenous lidocaine infusion--a new treatment of chronic painful diabetic neuropathy?
In a randomized double-blind, cross-over study the effect of intravenous lidocaine (5 mg/kg body weight) on the symptoms and signs of painful diabetic neuropathy of more than 6 months duration has been evaluated. Using a clinical symptom scale, there was significant beneficial effect 1 and 8 days after lidocaine infusion compared to after saline infusion (P less than 0.05 and P less than 0.02, respectively). ⋯ Lidocaine infusion had no effect on the objective measurements of neuropathy. Intravenous lidocaine infusion seems to be a new alternative treatment of chronic painful diabetic neuropathy.
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Case Reports Clinical Trial Controlled Clinical Trial
Dercum's disease (adiposis dolorosa). Treatment of the severe pain with intravenous lidocaine.
Dercum's disease (adiposis dolorosa) is associated with very painful subcutaneous fatty deposits normally localized to the lower extremities in which pain treatment is usually unsuccessful. Two patients with Dercum's disease have been treated repeatedly with intravenous lidocaine for several months each time resulting in immediate pain relief for 8 and 25 days respectively. ⋯ Hereafter, the patients were treated with peroral mexiletine and again had complete pain relief. We conclude that intravenous lidocaine or peroral mexiletine may be an effective analgesic treatment in patients with Dercum's disease.
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The Varni/Thompson pediatric pain questionnaire (PPQ) represents an attempt to empirically assess the complexities of pediatric chronic, recurrent pain. This initial investigation targeted chronic musculoskeletal pain in children with juvenile rheumatoid arthritis. The PPQ provides a developmental step toward the comprehensive assessment of the pain experience in children with chronic pain. Further reliability and validity studies are needed to determine the generalizability of the PPQ with larger numbers of children with a variety of acute and chronic pain experiences across a diversity of settings.
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Clinical Trial Controlled Clinical Trial
The analgesic effect of tocainide in trigeminal neuralgia.
Tocainide is a derivative of lidocaine with anti-arrhythmic action and, unlike lidocaine, can be used for oral treatment. Tocainide was alternatively with carbamazepine given to 12 patients with trigeminal neuralgia in a double-blind cross-over study for 2 weeks. ⋯ The similarity in analgesic effect of the two drugs was striking. A possible analgesic mechanism could be that tocainide blocks the sodium channels in the hyperexcitable nerve membranes in the pain-producing foci in trigeminal neuralgia.