Articles: nerve-block.
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Acta Anaesthesiol Belg · Jan 1995
Motor blockade and absence of local nerve toxicity induced by liposomal bupivacaine injected into the brachial plexus of rabbits.
Bupivacaine has been encapsulated into multilameller liposomes in order to reduce its systemic toxicity and to lengthen its action. Low, constant and sustained plasma levels have been observed after epidural injection and brachial plexus administration to rabbits. The present experiment was performed in order to study the motor block effect and the possible neurotoxicity of bupivacaine encapsulated in multilamellar liposomes applied in vivo to intact peripheral nerve bundles. ⋯ Light microscopic analyses of the nerves after 2 and 7 days revealed weak inflammatory perineural infiltration. Electron microscopy showed no changes of the myelin sheaths and no alteration of unmyelinated fibers. It may be concluded that the pharmacologically active liposomal formulation of bupivacaine did not induce alterations of the nerve tissues.
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Ann Fr Anesth Reanim · Jan 1995
[Anesthesia for hand surgery in patients with epidermolysis bullosa].
To report on the anaesthetic management with axillary block of patients suffering from recessive dystrophic epidermolysis bullosa (RDEB), undergoing repetitive surgery of the hand. ⋯ For surgery of the hand in patients with RDEB, we switched in 1988 from general anaesthesia with ketamine to axillary block, even in young children, as it is closer to the no-touch principle, which is essential to prevent from blistering. In comparison to general anaesthesia, regional anaesthesia raises neither the problems of airway and vascular access, nor those of instrumental monitoring. The main factors of success with regional anaesthesia are technical skills, expertise in the management of patients with RDEB and parental presence in the operating room which makes the procedure less stressful for children.
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Neuroblockade techniques can serve many functions in the management of the chronic pain patient. These various functions are discussed and a brief insight given for their use in specific pain syndromes. A run-down of the type of blocks useful in the management of cancer pain is also given.