Regional anesthesia and pain medicine
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Methadone is an inexpensive and highly effective analgesic when titrated appropriately. Its equianalgesic ratio with other opioids is variable, however. We present a case of conversion from high-dose intrathecal (IT) morphine to oral methadone. ⋯ The conversion from high-dose IT morphine to oral methadone has not been previously described. The case presents higher IT morphine to oral methadone conversion ratio than might be expected based upon conventionally used equianalgesic tables.
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Topically applied single or multiagent analgesics compounded by specialty pharmacies are utilized by an unknown number of pain clinicians to unknown effect. To assess the use and perceived efficacy of these agents, an e-mail survey of members of the American Society of Regional Anesthesia and Pain Medicine was performed. Response rate was low, but identified use of compounded topical agents throughout the United States. ⋯ Use of 36 different agents of varying concentrations was reported. These clinicians perceived that 43% +/- 4% of treated patients responded favorably to the topical agents with an average of 47% +/- 3% pain relief and few side effects. Despite favorable reports of benefit, most clinicians perceived use of such compounded agents in their regions to generally be "little or none."
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Reg Anesth Pain Med · May 2002
Case ReportsPeriosteal infusion of bupivacaine/morphine post sternal fracture: a new analgesic technique.
Sternal fracture pain is severe and is difficult to alleviate due to the forces acting on the chest wall during respiration. We describe a continuous infusion regional analgesic technique for pain due to sternal fracture. ⋯ Continuous infusion of local anesthetic and opioid to a sternal fracture site using a periosteally positioned catheter led to successful analgesia and hence improved respiratory function. Clinicians should consider placing a periosteal catheter when pain associated with sternal fracture cannot be adequately controlled with conventional methods.