Regional anesthesia
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Regional anesthesia · Jul 1996
Randomized Controlled Trial Comparative Study Clinical TrialComparison between hemodynamic changes after single-dose and incremental subarachnoid anesthesia.
The depressant activity on sympathetic tone of subarachnoid anesthetic block is well known. The aim of this study was to compare cardiovascular response to an incremental dose of subarachnoid anesthesia administered through a small-bore microcatheter with the response to single-dose spinal anesthesia. ⋯ In well-hydrated, healthy patients incremental local anesthetics offer adequate subarachnoid anesthesia with minimal hemodynamic effects.
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Regional anesthesia · Jul 1996
Randomized Controlled Trial Clinical TrialFemoral nerve block. Single injection versus continuous infusion for total knee arthroplasty.
This study was conducted to ascertain whether there is any advantage to the continuous-infusion femoral 3-in-1 nerve block over the single-injection femoral nerve block for postoperative analgesia after total knee arthroplasty. ⋯ We were unable to confirm improvements in analgesia provided by continuous-infusion femoral 3-in-1 nerve block for total knee arthroplasty except in the recovery room.
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Regional anesthesia · Jul 1996
Case ReportsPressure sores as a complication of patient-controlled epidural analgesia after cesarean delivery. Case report.
Postoperative epidural analgesia using mixtures of bupivacaine and opioids has become common practice following abdominal surgery. Side effects such as hypotension, motor block, respiratory depression, pruritus, and urinary retention are well known. Pressure sores occurring within the first 24 hours are extremely rare. ⋯ Pressure sores following postoperative epidural analgesia may occur even in young patients. Although bupivacaine may induce a motor block, its combination with other drugs in the analgesic mixture or other contributing factors may explain the occurrence of pressure sores. Prophylaxis and increased alertness should eliminate this complication.
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Regional anesthesia · Jul 1996
Randomized Controlled Trial Comparative Study Clinical TrialInhibition of epidural morphine-induced pruritus by intravenous droperidol. The effect of increasing the doses of morphine and of droperidol.
Because the mechanism of inhibition of epidural morphine-induced pruritus by droperidol is not clear, this study was undertaken to determine the effects of larger doses of droperidol or morphine, or both. ⋯ Pruritus caused by epidural use of 2 or 4 mg of morphine is inhibited by the intravenous use of 2.5 mg droperidol but not by a larger dose.