Regional anesthesia and pain medicine
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Reg Anesth Pain Med · Jul 2004
Randomized Controlled Trial Clinical TrialPatients' perception of pain during axillary and humeral blocks using multiple nerve stimulations.
Axillary or humeral blocks by multiple nerve stimulation (MNS) are used for ambulatory hand surgery. This double-blind study identified which of the three main components of the procedure (repeated needle passes, local anesthetic injections, or electrical stimulations) is most painful, quantified its intensity, and recorded patients' preferences for a future anesthetic. ⋯ This study found that more axillary-block patients compared with humeral-block patients reported electrical stimulation as the most unpleasant part of the block but failed to detect significant differences in the intensity of the 3 block components (repeated needle passes, local anesthetic injections, and electrical stimulations). Most patients in both groups would accept the same block for future hand operations. Patients were ready for surgery sooner after axillary block, but the clinical importance of this finding is doubtful.
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Reg Anesth Pain Med · Jul 2004
Randomized Controlled Trial Clinical TrialRopivacaine 3.75 mg/ml, 5 mg/ml, or 7.5 mg/ml for cervical plexus block during carotid endarterectomy.
To examine the effect of 225 mg (7.5 mg/mL), 150 mg (5 mg/mL), and 112.5 mg (3.75 mg/mL) ropivacaine on quality of cervical plexus block during carotid endarterectomy. ⋯ The best quality of cervical plexus block associated with the smallest incidence of pain for patients undergoing carotid endarterectomy was obtained with 30 mL of 225 mg and 150 mg of ropivacaine, respectively.