The Clinical journal of pain
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Randomized Controlled Trial
Preemptive analgesic effect of ketamine in patients undergoing elective cesarean section.
In this study, the preemptive effect of a small dose of ketamine on postoperative wound pain and morphine consumption in patients undergoing elective cesarean section was evaluated. ⋯ Intraoperative low-dose ketamine had no effect on morphine consumption during 2 to 24 hours after surgery. No significant differences were seen in the pain scores of the 2 groups during the study period. The preoperative administration of 0.5 mg/kg ketamine in patients undergoing cesarean section did not elicit a preemptive analgesic effect.
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This study investigated attentional biases for pictorial headache-related stimuli in individuals with chronic headache and healthy controls. ⋯ It is concluded that both hypervigilance and sustained processing are critical factors for the maintenance of chronic pain.
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Comparative Study
A comparison of analgesic management for emergency department patients with sickle cell disease and renal colic.
To determine whether there is a difference in time to initial analgesic for patients with acute pain from sickle cell disease (SCD) versus renal colic (RC) and to identify factors contributing to variance in time to analgesic. ⋯ ED patients with SCD experienced longer delays in the administration of the initial analgesic compared with RC patients, despite higher arrival pain scores and triage acuity levels.
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Randomized Controlled Trial
Comparison of miniscalpel-needle release, acupuncture needling, and stretching exercise to trigger point in myofascial pain syndrome.
Myofascial pain syndrome (MPS) is one of the most common causes of chronic musculoskeletal pain. Several methods have been recommended for the inactivation of trigger points (TrPs). We carried out this study to investigate the effectiveness of miniscalpel-needle (MSN) release and acupuncture needling and self neck-stretching exercises on myofascial TrPs of the upper trapezius muscle. ⋯ The effectiveness of MSN release for MPS is superior to that of acupuncture needling treatment or self neck-stretching exercises alone. The MSN release is also safe, without severe side effects in treatment of MPS.
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Little is known about persistent postsurgical pain after lung transplantation with the associated intensive and continuous immunosuppressive treatment. Therefore, we investigated the nationwide incidence of chronic pain after lung transplantations. ⋯ Moderate-to-severe persistent postsurgical pain occurred in 5% to 10% of patients after lung transplantation, which is lower than reported after nontransplant thoracotomy. The specific role of the peritransplant immunosuppression on persistent post-thoracotomy pain should be explored further.