Cahiers d'anesthésiologie
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Regional anaesthesia in the setting of pre-hospital trauma care implies adverse conditions. Therefore some practical advices may be useful; avoid spinal or epidural anaesthesia, prefer safer lidocaine. ⋯ Main usable blocks are: brachial plexus block (axillary or interscalenic approach), radial, medial and ulnar nerve blocks, intercostal and interpleural nerve blocks, sciatic and femoral nerve blocks, superior laryngeal nerve block. Using a nerve stimulator is strongly advised in most cases.
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Regional anaesthesia has been increasingly popular in paediatric patients of all ages, especially because some techniques afford excellent per and post-operative pain relief. However, side effects may occur. Particularly, systemic toxicity from bupivacaine administration is associated with intravascular injection or overdosage. ⋯ Management of the best method of block, doses and local anaesthetics or adjuvants according age, requires likely specific teaching in training team. An effort to provide appropriate guidelines and training to ward nurses is necessary to improve security when regional blockade is used for postoperative analgesia. In every cases, physician's experience is the best argument of choice.
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The neurophysiologic concept of neuroplasticity represents one of the current basis of the pathophysiology of painful post-injury phenomenons (postoperative, post-traumatic...). Deriving directly from these experimental data, the idea of preemptive analgesia has gradually developed in the last five years, the central question being to know if an analgesic intervention preceding surgical intervention is more efficient, as efficient, or less efficient than the same intervention following surgery. The authors bring current data of the literature in favor of the role of neuroplasticity in the genesis and the persistence of painful states in the course of postoperative outcome. A review of the various clinical studies and controversies published is proposed, in the attempt to make the point on current therapeutic implications of the concept of preemptive analgesia.
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Cahiers d'anesthésiologie · Jan 1995
Comparative Study[Postoperative analgesia after ligamentoplasty of the knee. Comparison of epidural morphine and intravenous nalbuphine].
Surgery of the anterior cruciate ligament causes severe postoperative pain. This study aimed to compare efficacy and side effects of two postoperative analgesia methods, during 24 hours. Twenty healthy patients were assigned to two groups (n = 10): the patients of the first group were given by an epidural catheter 3 mg of morphine hydrochloride, every twelve hours. ⋯ The incidence of respiratory depression, nausea, pruritus was not statistically different between the groups, but 7/10 patients in the first group suffered of urinary retention (the first micturition was obtained 10.5 hours after the end of surgery in the first group and 5.3 h in the second one). Two patients needed an uretral catheter. These results might tend to show a greater efficactly of epidural morphine, with a higher incidence of urinary side effects.