Articles: nerve-block.
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Letter Case Reports
Delayed 'immediate' bupivacaine toxicity during axillary brachial plexus block.
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Randomized Controlled Trial Comparative Study Clinical Trial
Effects of the addition of potassium to prilocaine or bupivacaine. Studies on brachial plexus blockade.
A double-blind comparison of prilocaine and prilocaine plus potassium chloride, and of bupivacaine with bupivacaine plus potassium chloride, in brachial plexus blockade (axillary approach) was obtained in two groups of 20 patients. The addition of potassium chloride made no difference to the characteristics of the block with prilocaine, but resulted in a more rapid onset of sensory loss when added to bupivacaine.
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Use of the interscalene brachial plexus block for upper extremity anesthesia in a primarily rheumatoid population is reviewed in 88 cases. The interscalene approach described by Winnie was used. Anesthesia was effective in 93% of the cases. ⋯ The technique allowed effective and reliable anesthesia throughout the upper extremity, including the shoulder. Problems associated with other forms of upper extremity regional anesthesia, such as tourniquet pain, pneumothorax, systemic anesthetic toxicity, and inadequate duration of anesthesia, were not encountered. Difficulties with more distally based block administration due to decreased shoulder motion were obviated.