European journal of anaesthesiology
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Randomized Controlled Trial Comparative Study Clinical Trial
A comparative study of patient-controlled epidural diamorphine, subcutaneous diamorphine and an epidural diamorphine/bupivacaine combination for postoperative pain.
This randomized double blind study investigates the relative efficacies of controlled analgesia (PCA) regimens in three different patient groups: epidural diamorphine 2.5 mg followed by PCA bolus 1 mg with a 20-min lockout (Gp1), subcutaneous diamorphine 2.5 mg followed by PCA bolus with a 10-min lockout period (Gp2) and epidural diamorphine 2.5 mg in 4 mL of 0.125% (w/v) bupivacaine followed by a PCA bolus of 1 mg diamorphine in 4 mL 0.125% (w/v) bupivacaine with a 20-min lockout (Gp3). Patients were evaluated at 0, 1, 2, 3, 4, 8, 12, 16, 20, 24 and 48 h. ⋯ Fewer patients in Gp2 required catheterization than in Gp3 (P < 0.05). This study indicates that the use of PCA epidural diamorphine, either alone or in combination with bupivacaine, reduces the dose requirement for analgesia but offers little clinical advantage over subcutaneous PCA diamorphine.
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Case Reports
Successful epidural blood patch in a patient with headache for 6 months after lumbar root decompression.
Prolonged headache following dural puncture is an uncommon problem that may occur after a spinal tap, often as a complication of epidural anaesthesia. This problem has also been described after long-term epidural or spinal anaesthesia, myelography or spinal surgery. ⋯ No other cause could be found either clinically or with the aid of scanning by computerized tomography or magnetic resonance imaging techniques at the spinal level involved. The symptoms were successfully treated with an epidural blood patch performed seven months following the original surgical operation.
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Randomized Controlled Trial Comparative Study Clinical Trial
Postoperative nausea and vomiting after breast surgery: efficacy of prophylactic ondansetron and droperidol in a randomized placebo-controlled study.
Postoperative nausea and vomiting (PONV) is a common adverse phenomenon following breast surgery. The efficacy of ondansetron and droperidol in preventing post-operative nausea and vomiting in women undergoing breast surgery was compared in this randomized, double-blind, placebo-controlled study. Altogether 207 women were randomly assigned to receive either a single intravenous dose of droperidol (1.25 mg) (n = 69), ondansetron (8 mg) (n = 67) or saline (n = 71) immediately after induction of general anaesthesia with thiopental, fentanyl, atracurium, nitrous oxide in oxygen and isoflurane. ⋯ The incidence of post-operative nausea and vomiting during the first 24 h was 61%, 48% and 45% in the placebo, droperidol and ondansetron treatment groups, respectively (NS). Postoperative analgesic requirements and the length of stay in the post-anaesthesia care unit were equal in all three treatment groups. It is concluded that the intravenous pretreatment with single doses of ondansetron or droperidol did not substantially prevent postoperative nausea and vomiting after breast surgery.
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Randomized Controlled Trial Clinical Trial
The effect of oral etilefrine premedication on the incidence of hypotension during spinal anaesthesia.
This study was designed to determine the efficacy of oral etilefrine in preventing hypotension induced by spinal anaesthesia. Forty patients, ASA grade I or II, aged 23-60 years, scheduled for orthopaedic surgery involving the lower extremity under spinal anaesthesia were studied. The patients were randomly allocated to one of two groups; the etilefrine group (n = 20) received oral etilefrine 15 mg (30 drops), 60 min before the subarachnoid block, and the control group (n = 20) received no etilefrine. ⋯ The patients in the etilefrine group received less etilefrine supplement than those in control group and no subject in the etilefrine group required repeat etilefrine doses, while in the control group five patients received multiple etilefrine doses (P < 0.05). The mean heart rate remained fairly stable throughout the study periods. We conclude that oral etilefrine, given 60 min before surgery, reduces the fall in blood pressure during spinal anaesthesia.
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Clinical Trial
Continuous axillary brachial plexus analgesia with low dose morphine in patients with complex regional pain syndromes.
In this prospective pilot study, nine patients suffering from complex regional pain syndrome of the arm were treated with morphine 0.16 mg h-1 (3.84 mg day-1) applied continuously through an axillary brachial plexus catheter. In all of them an oral analgesic medication including the less potent opioid tramadol had not provided sufficient pain relief. During regional treatment, patients were kept in hospital and physiotherapy was carried out frequently in order to improve strength and function of the affected arm. ⋯ All assessments improved significantly during plexus analgesia. There were no major opioid related side-effects. The results from this pilot study indicate that continuous axillary brachial plexus analgesia with low dose morphine might be beneficial in patients suffering from complex regional pain syndrome of the arm.