Articles: acute-pain.
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Contemp Clin Trials · Mar 2012
Randomized Controlled Trial Multicenter Study Comparative StudyClinical trial implementation and recruitment: lessons learned from the early closure of a randomized clinical trial.
The NHLBI-sponsored Sickle Cell Disease Clinical Research Network (SCDCRN) conducted a multi-center, acute intervention randomized clinical trial of two methods of Patient Controlled Analgesia for acute pain. This trial was terminated early due to low enrollment. We analyzed the perceived barriers and recruitment difficulties as reported by the coordinators and principal investigators. ⋯ We identified multiple barriers to patient accrual including short duration of enrollment period, protocol design, complex dosing schedule, requirement for staff availability during week-end and after hours, multiple departments' involvement, protocol acceptance, eligibility criteria, competing protocols, and limited staff. Each of these areas should be targeted for intervention in order to plan and conduct successful future clinical trials.
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Tapentadol (Palexia - Grünenthal) is a recently introduced strong analgesic with µ-agonistic opioid and additional noradrenaline reuptake inhibition properties. The summary of product characteristics (SPC) states that it is indicated for the relief of moderate to severe acute pain in adults, which can be adequately managed only with opioid analgesics.1 Here we review the place of tapentadol in the treatment of patients with moderate to severe acute pain.
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Randomized Controlled Trial
What do plasma beta-endorphin levels reveal about endogenous opioid analgesic function?
Plasma levels of beta-endorphin (BE), an endogenous opioid analgesic, are often reported as they relate to acute and chronic pain outcomes. However, little is known about what resting plasma BE levels might reveal about functioning of the endogenous opioid antinociceptive system. This study directly examined associations between resting plasma BE and subsequent endogenous opioid analgesic responses to acute pain in 39 healthy controls and 37 individuals with chronic low back pain (LBP). ⋯ For the ISC task, these links were significantly more prominent in LBP participants (BE × Participant Type Interactions, p's < 0.05). Results suggest that elevated resting plasma BE may be a potential biomarker for reduced endogenous opioid analgesic capacity, particularly among individuals with chronic pain. Potential clinical implications are discussed.
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Although opioids are widely accepted as standard therapy for treating acute postoperative pain, the frequent occurrence of adverse events (AEs) and the substantial burden on the patient and the costs of care are a barrier to optimal dosing and adherence to prescribed treatment. Coadministration of two opioids is not often recommended as a multimodal treatment option for moderate to severe acute pain because of lack of knowledge about the potential benefit of such combinations and due to potential concerns about side effects and doubts about the added benefits. Study results on the coadministration of two or more opioids demonstrate synergistic analgesia with a similar or lower incidence of opioid-related AEs. One such combination is morphine and oxycodone. ⋯ Thus, the dual-opioid combination product, morphine/oxycodone 3/2, compared with equianalgesic monotherapy doses of oxycodone or morphine may provide effective relief of moderate or severe post-surgical pain, while reducing the impact of AEs on patients and prescribers.
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Pediatric emergency care · Feb 2012
Case ReportsUltrasound-guided femoral nerve block for pain control in an infant with a femur fracture due to nonaccidental trauma.
A 3-month-old infant girl was transferred to our emergency department (ED) with a subtrochanteric femoral neck fracture due to nonaccidental trauma. She received multiple doses of parenteral analgesics both before arrival and in our ED. ⋯ The patient required only a single dose of parenteral narcotics during the ensuing 18 hours. To our knowledge, this is the first report of an ultrasound-guided femoral nerve block used in the ED for pain control in a pediatric patient.