Der Anaesthesist
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Review Historical Article
[Nitrous oxide. Sense or nonsense for today's anaesthesia].
Nitrous oxide has been used in addition to other volatile anaesthetics to provide general anaesthesia and short time sedation for more than 150 years. However, the exact mechanisms of action remain unclear. For decades nitrous oxide was considered to be the ideal anaesthetic because of his favourable physical properties and low cardiovascular side effects. ⋯ Nitrous oxide is still frequently used for mask induction primarily in paediatric anaesthesia and gynaecology. However, recent studies have shown that omitting nitrous oxide can also be a risk factor because of an increased susceptibility to intraoperative awareness. Careful consideration of the illustrated contraindications and side effects as well as the available alternatives, shows that nitrous oxide is still an option in general anaesthesia.
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Approximately 8000 patients with multiple trauma are admitted annually to an emergency room in Germany. The prognosis of these severely injured patients is influenced in particular by concomitant craniocerebral injury, an abdominal wound, or thoracic trauma. ⋯ Management of patients with multiple trauma poses a particular challenge to the responding team. This article in the continuing education series deals with current algorithms for preclinical management of patients with multiple injuries with particular focus on the significant factor of time.
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The current practice of regional anaesthesia in German-speaking countries was investigated in a survey. The second part of the trilogy presents data about its use, success rates, and techniques. In 2002 questionnaires were mailed to 750 randomly selected departments of anaesthesia of which 384 hospitals participated. ⋯ Standards for basic techniques, recording of success rates, and for quality assurance of peripheral nerve blocks should be worked out to improve the application of peripheral regional anaesthesia procedures. In neuroaxial anaesthesia satisfying success rates were reached in German-speaking countries. In paediatric anaesthesia its use still has many opponents.