Biomedical subjects
Publications and source records attributed to N M Denny.
We report our experience of using the laryngeal mask airway (LMA) in 13 consecutive patients undergoing thyroid surgery and discuss the advantages and limitations of the technique. We also describe a method, based on the use of the LMA, for identifying and preserving the recurrent laryngeal nerve during thyroid surgery.
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Two similar groups of patients undergoing coronary artery bypass grafting received either atracurium or vecuronium infusions for neuromuscular blockade. Both groups demonstrated a marked reduction in neuromuscular blocking requirements during hypothermic bypass at 30 C. The ratio of the dose rates at 30 C to that at 37 C was significantly less with vecuronium (p less than 0.01).
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The quality of analgesia and incidence of side effects when using a continuous subarachnoid infusion of diamorphine were assessed in 28 postoperative patients who had undergone major abdominal or lower limb surgery. Excellent pain relief was obtained without depression of the respiratory rate. Four patients complained of headache, and 50% of those patients not already catheterized preoperatively subsequently required it for urinary retention. There was no evidence of sepsis related to the indwelling subarachnoid catheter.