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.
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The debate continues as to whether regional anesthesia is safer than general anesthesia. However, the choice of anesthetic technique is a complex decision. This review of the most recent publications compares the safety of regional anesthesia with that of general anesthesia.
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Combining regional and general anaesthesia can have many advantages, particularly in patients undergoing major thoracic, abdominal or orthopaedic surgery. The use of regional anaesthetic techniques in anaesthetized children is an accepted standard of care, because needle and procedure phobias are very common and can result in severe anxiety, an inability to cooperate and sudden unpredictable movement. Epidural local anaesthetics have the potential of attenuating sympathetic hyperactivity, maintaining bowel peristalsis, sparing the use of opioids, and facilitating postoperative feeding and out-of-bed activity. ⋯ The present review focuses on the use of a combination of regional and general anaesthesia for a variety of surgical procedures. It also compares the two anaesthetic techniques in elderly patients. The review is based on studies published during the past year.
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Recently there has been a considerable increase in interest in regional anesthesia and neural blockade. Many traditional nerve block techniques have been significantly modified to better fit the realm of both inpatient and outpatient surgery. ⋯ A significant effort has also been invested in studying and improving the safety of various techniques. These developments, coupled with an increased emphasis on teaching of regional blocks by organized anesthesia societies are likely to result in a wider use of these techniques in years to come.