Articles: general-anesthesia.
-
Vecuronium bromide 70 micrograms kg-1 was used to facilitate tracheal intubation and provide neuromuscular blockade in 52 patients undergoing laparoscopic sterilization. Anaesthesia was maintained with 67% nitrous oxide in oxygen. Patients were monitored clinically and by tactile assessment of the evoked response of the adductor pollicis to a supramaximal train-of-four stimulation. ⋯ Residual neuromuscular blockade was antagonized rapidly at completion of surgery by neostigmine 2.5 mg i.v., which was administered provided there was at least one twitch response. The mean duration of the procedure was 14.3 min (SD 2.5 min). The mean time from injection of neostigmine to satisfactory spontaneous breathing and neuromuscular recovery was 1.6 min (SD 0.7 min).
-
Randomized Controlled Trial Clinical Trial
Mental function and morbidity after acute hip surgery during spinal and general anaesthesia.
Forty elderly patients (mean age 78.9 years) undergoing acute surgery for hip fracture were given at random either spinal analgesia with bupivacaine 0.75% or general anaesthesia with diazepam, fentanly and N2O/O2. Mental function was studied pre-operatively with an abbreviated mental test and 1 week and 3 months postoperatively in both groups. Mortality and number of complications was similar in the two groups, but a shorter time of ambulation was seen in the spinal group compared to the general anaesthetic group. No persistent impairment in mental function was found after acute hip surgery under spinal or general anaesthesia and the only advantage of regional technique was a shorter time of ambulation.
-
Comparative Study
Volume-controlled high frequency positive pressure ventilation for upper abdominal surgery. A clinical report.
Volume-controlled high-frequency positive pressure ventilation was evaluated and compared to intermittent positive pressure ventilation during anesthesia in 74 patients undergoing biliary tract surgery. There were no statistically significant differences in oxygenation or ventilation. Significantly lower airway pressures and lower tidal volumes were recorded during high frequency positive pressure ventilation. ⋯ Used intra-operatively, it also produced a quiet operative field, which the surgeons appreciated during cannulation of the biliary duct and stapling of the stomach. At the end of the anaesthesia, high frequency positive pressure ventilation was superimposed on spontaneous breathing and operated as a new mode of intermittent mandatory ventilation. This reduced the risk of hypoxia at the time of emergence from anaesthesia and at tracheal suctioning.