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The effects of vasoconstrictors on the duration of isobaric bupivacaine spinal anesthesia are unknown. A prospective controlled study was conducted on 60 ASA class II or III patients aged 75 yr or more who were scheduled for spinal anesthesia for orthopedic hip surgery. The subjects were randomly allocated into three groups. All patients received 15 mg(More)
The choice between regional versus general anaesthesia for elderly patients undergoing hip surgery is debated. It is vitally important to see if the type of anaesthetic administered affects per- and postoperative morbidity and mortality. Seventy women more than 75 yr old suitable for spinal anaesthesia were included in this study. They were randomly divided(More)
The hypotensive effects of spinal anesthesia were investigated in 60 patients aged 75 years or older and divided into two groups: 30 normotensive patients (group 1) and 30 treated hypertensive patients (group 2). In both groups, spinal anesthesia was performed in lateral decubitus position with 3 ml 0.5% isobaric bupivacaine. Hemodynamic measurements were(More)
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)
So as to determine the effects of vasoconstriction on the duration of hyperbaric bupivacaine spinal anaesthesia, a prospective controlled study was carried out on 80 ASA class II or III patients, aged 75 years or more, who were scheduled for spinal anaesthesia for lower limb surgery. They were randomly allocated to four groups, and were each given 3 ml (15(More)
The clinical effects of flunitrazepam (FNZ) as IV sedative agent for spinal anaesthesia was studied. Of 112 elderly patients undergoing hip surgery, 40.2% have required a total dose of 26.6 +/- 2.3 mcg X kg-1. The repeat doses were 9.3 to 13.3 mcg X kg-1. A good state of sedation was obtained in 81% of patients, with a linear relationship between narcosis(More)
The effect of added sodium bicarbonate on plain bupivacaine spinal anesthesia is unknown. Forty patients aged 75 years or older, ASA II or III, undergoing orthopedic lower limb surgery under spinal anesthesia were randomly classified into two groups. Just before injection, either 0.2 ml normal saline (group I) or 0.2 ml 0.42% NaHCO3 solution (group II) was(More)