Current opinion in anaesthesiology
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General anaesthesia is still the most common anaesthetic technique in the ambulatory surgery setting. With the introduction of propofol, total intravenous anaesthesia gained widespread acceptance. Recently, the combination with remifentanil, an ultra-short acting opioid analgesic, allowed even more control over the duration of the anaesthetic. ⋯ No differences have so far been demonstrated in respect to long-term recovery, discharge from the post-anaesthesia care unit and discharge from the ambulatory care centre. Currently the anaesthesiologist has the possibility to choose his preferred anaesthetic technique based on individual patient needs, the surgery performed and the side-effects each technique may have. However, in contrast to the situation at the beginning of the 1990s total intravenous anaesthesia is not the technique that fits all needs but balanced anaesthesia presents an alternative.
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Regional anaesthesia plays an important role in day case surgery because it combines reliable effects with low risk and the possibility of local postoperative analgesia without systemic side-effects. Fast-track regional anaesthesia allows short-term postoperative surveillance or even bypassing the post-anaesthesia care unit. ⋯ Multiple peripheral nerve stimulation and injection techniques may help to realize differential blockades with a pronounced analgesic rather than a motor blocking effect. Nerve blocks with local anaesthetics in combination with alpha2-adrenoceptor agonists or non-steroidal anti-inflammatory drugs and short-acting parenteral opioids represent an effective multimodal concept for ambulatory surgery.