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The effects of age were investigated on characteristics of spinal analgesia with hyperbaric bupivacaine in 38 younger patients (less than 50 yr: group I), and 48 older patients (greater than 80 yr: group II). Four millilitre of 0.375% bupivacaine in 2.5% dextrose was injected via the L3-4 space in a lateral position, and the patients were immediately turned(More)
The effects of metaraminol on the duration of plain bupivacaine spinal anaesthesia were investigated in a double-blind study of 80 elderly patients. Each patient received a basic solution of 0.5% plain bupivacaine to which was added either physiological saline, or 1 mg, 2 mg or 3 mg metaraminol. There were no significant differences between the four groups(More)
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