European journal of pain : EJP
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Over 1.4 million Caesarean deliveries are performed annually in the United States, out of which 30% are elective repeat procedures. Post-operative hyperalgesia is associated with an increased risk for persistent post-surgical pain; however, there are no data on whether residual scar hyperalgesia (SHA) from a previous Caesarean delivery (CD) persists until the next delivery. We hypothesized that residual SHA may be present in a substantial proportion of women and is associated with increased post-operative pain. ⋯ Preoperative SHA is present in 41% of women scheduled for repeat CD and is associated with increased mTS and post-operative pain. Screening for preoperative SHA may predict women at risk for increased post-operative pain, and guide post-operative analgesia to include anti-hyperalgesic drugs.
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Few studies focus on how physicians evaluate pain in foreign-born patients with varying cultural backgrounds. This study aimed to compare pain ratings [visual analogue scale (VAS) 0-100] done by Swedish primary care physicians and their patients, and to analyse which factors predicted physicians' higher ratings of pain in patients aged 18-45 years with long-standing disabling back pain. ⋯ Physicians appear to overlook psychological and emotional aspects when rating the pain of patients from other cultural backgrounds. This finding highlights a potential problem in multicultural care settings.
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Clinicians' estimates of patients' pain are frequently used as a basis for delivering care, and the characteristics of the clinician and of the patient influence this estimate. ⋯ Midwives' personal characteristics can bias the estimation of pain in woman in labour and therefore influence treatment.
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Paclitaxel is an antimitotic antitumour drug highly effective against a broad range of cancers considered refractory to conventional chemotherapy. One of the main serious side effects of paclitaxel treatment is the induction of peripheral neuropathic pain that often diminishes the patient's quality of life. In this study, we evaluated the severity of the neuropathy induced by paclitaxel and the inflammatory reaction in the dorsal horn of the spinal cord in young, adult and aged male CD1 mice. ⋯ Our results demonstrate that paclitaxel-induced neuropathy in mice is an age-dependent phenomenon whose severity devolves on glial response.
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The role of extracellular signal-regulated kinases (ERKs) in nociception has been explored in the last years. While in spinal cord their activation is frequently correlated with pain or acute noxious stimuli, supraspinally, this association is not so evident and remains unclear. This study aims to evaluate ERK1/2 activation in the spinal cord and brainstem nuclei upon neuropathy and/or an additional mechanical stimulus. ⋯ ERK1/2 are differentially activated in the spinal cord and in selected brainstem nuclei implicated in nociception, in response to an acute noxious stimulus and/or to a neuropathic pain condition.