European journal of pain : EJP
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Parents' perceptions of children's pain may have influence on how children's postoperative pain is alleviated at home after discharge from hospital. ⋯ Parents' perceptions of children's pain were related to children's pain after surgery at home. Adequate information of children's pain should be provided to the parents before discharge to promote children's pain alleviation at home. Special attention should be paid on parents' expectations of boys' higher pain tolerance.
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Randomized Controlled Trial Multicenter Study Clinical Trial
Low-dose diclofenac potassium in the treatment of episodic tension-type headache.
Several clinical trials have demonstrated that low doses of non-steroidal anti-inflammatory drugs relieve episodic tension-type headache (ETH). ⋯ Diclofenac-K, administered as single doses of 12.5 and 25mg effectively relieves ETH and is comparable to ibuprofen 400mg.
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Complex regional pain syndrome type I (CRPS-I), formerly reflex sympathetic dystrophy (RSD), is a chronic pain syndrome of unknown aetiology. Its diagnosis is a clinical one, for which several criteria systems have been defined. Despite their widespread use, the reliability of these criteria has never been studied. ⋯ The kappa values were higher, had physicians applied IASP criteria, but still insufficient. The application of Bruehl's criteria results in a fair kappa of 0.38, but then frequency of CRPS diagnosis in our study population decreased from 73% to 43% in comparison with physicians' own diagnosis. We conclude that, using current criteria systems, the diagnosis of CRPS is not reliable.
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Fifteen to 50% of AIDS-patients suffer from distal predominantly sensory neuropathy (DSP), which is commonly associated with painful symptoms. In the present study, we have focused on the function of fine calibre nerve channels, in 36 consecutive HIV-1-infected patients with painful (PPN) (n=20; 54%) and non-painful (PN) (n=16) sensory neuropathy, assessed by clinical, quantitative thermal testing (QTT) (31/36), and peripheral nerve conduction examination (32/36). Control QTT data were obtained from 49 healthy subjects with a corresponding age- and sex distribution. ⋯ Furthermore, increased pain sensitivity to cold was found only in patients with painful symptoms (p<0.05). An abnormal outcome of any QTT parameter was found in all patients with pain, but only among 62% of patients without pain, p<0.01, and the cumulative frequency of abnormalities in any of the four thermal percepts (warmth, cold, heat pain, and cold pain) was higher in patients with painful symptoms, p<0.0001. This study demonstrates a more pronounced impairment of C-fibre-mediated innocuous warm perception in patients with painful neuropathy, which in the setting of impaired or absent heat pain perception suggests a more generalised loss of function in somatosensory C-fibre channels.
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In subgroups of patients with localised musculoskeletal pain spread of pain and signs of altered somatosensory processing at painful sites, both focal and referred areas have been reported. The purpose of the study was to examine somatosensory processing in patients with mainly unilateral long-term (> or =1 year) trapezius myalgia with ongoing pain for the last 3 months in the trapezius muscle in conjunction with ongoing or recurrent referral of pain to the ipsilateral arm. Ten patients with trapezius myalgia and 10 age- and sex-matched healthy controls participated. ⋯ Compared to controls a bilaterally decreased sensitivity to light touch was found in patients in the area of referred pain (p<0.01). No differences were found in the outcome of thermal testing. These findings suggest altered central processing of somatosensory input from the area of referred pain in patients with trapezius myalgia.