Annales françaises d'anesthèsie et de rèanimation
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Two cases of spinal subarachnoid haematoma occurring after spinal anaesthesia are reported. In the first case, lumbar puncture was attempted three times in a 81-year-old man; spinal anaesthesia trial was than abandoned, and the patient given a general anaesthetic. He was given prophylactic calcium heparinate soon after surgery. ⋯ The patient died on the following day. Both these cases are similar to those previously reported and point out the role played by anticoagulants. Because early diagnosis of spinal cord compression is difficult, the prognosis is poor, especially in case of paraplegia.
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A new type of airway has been widely used for two years, throughout hospitals in the United Kingdom. Designed and created since 1983 by Dr AIJ Brain, the Laryngeal Mask Airway (LMA) is a compromise between the endotracheal tube and the face-mask. Blindly inserted in an anaesthetized patient, without either a laryngoscope or neuromuscular blockade, it provides a good airway in almost all cases. ⋯ The spontaneously breathing patient, undergoing elective surgery for 15 to 60 minutes, in supine position, who would ordinarily be managed with a face-mask is the more likely candidate for the LMA. But, longer procedures, in lateral or prone position, with controlled ventilation can usually be carried out using the Brain's device. More effective and less demanding than the facial-mask, much less hurtful than the endotracheal tube, the Laryngeal Mask is potentially an important and valuable addition to anaesthetic care.
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Regional anaesthesia has an important place in the management of elderly patients. Its selection depends on the type of surgery, the skills of the anaesthetist as well as the status and the will of the patient. Regional anaesthesia should no longer be considered as a challenger but rather as a complement to general anaesthesia, especially in the elderly.
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Ann Fr Anesth Reanim · Jan 1990
Comparative Study[Comparison of the pharmacokinetics of etomidate in children and in adults].
Etomidate pharmacokinetics were compared in 12 children (P group) (age 7 to 13 years, weight 22 to 48 kg) and in 4 adult women (A group) (age 28 to 52 years, weight 46 to 72 kg), A. S. A. 1, undergoing minor non abdominal surgery. ⋯ No age-related difference was found inside P group with regard to pharmacokinetic parameters. In conclusion, a 30% higher etomidate bolus dosage is required in children than in adults to achieve similar plasma concentrations, due to a higher volume of the initial compartment. In comparison to adults the higher clearance suggests higher maintenance dose requirements in children.
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Numerous anaesthetic techniques exist for a patient who presents with a difficult endotracheal intubation. They all require an anaesthetic protocol which cannot be improvised. ⋯ When a fiberoptic bronchoscope is not available, several alternatives can be suggested: local anaesthesia of the glottis, retro-molar and retrograde intubation, or the use of a guide threaded over a lighted stylet; these techniques can be used in an anaesthetized patient breathing spontaneously. In the paralyzed patient impossible to intubate, various trans-laryngeal techniques of ventilation can be used in emergency: jet ventilation via the trans-crico-thyroid route, the use of a cricotomy cannula, or a minitracheotomy set.