Articles: nerve-block.
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Journal of anesthesia · Apr 1991
Clinical Trial Controlled Clinical TrialEvaluation of alkalinized lidocaine solution in brachial plexus blockade.
The effect of alkalinization of lidocaine solution in brachial plexus blockade was evaluated in a double blind study. Commercial 1.5% lidocaine with epinephrine 1 : 200,000 (pH 5.72) was compared with an alkalinized solution of lidocaine (pH 7.12). 10 mg.kg(-1) of each solution was administrated by the axillary perivascular technique in 34 adult patients scheduled for elective surgery. The onset and spread of sensory blockade and the intensity of motor blockade were determined. ⋯ Also the analgesic onset in the radial and musculocutaneous nerves was significantly faster than the other two nerves ( P < 0.05 and P < 0.01). Furthermore, the intensity of motor blockade was greatly potentiated when alkalinized lidocaine solution was employed. There was no significant increase in plasma concentration of lidocaine in patients who were given alkalinized solution.
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Dorsal penile nerve block with lidocaine is safe and effective for reducing the pain associated with newborn circumcision. Administering the anesthesia adds little time or expense to the overall routine. Complications are minor, limited to local bleeding and hematoma formation. Family physicians performing circumcision should be prepared to use penile nerve block and to advocate it to parents who choose newborn circumcision.
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Randomized Controlled Trial Comparative Study Clinical Trial
A comparison of lignocaine with prilocaine in axillary brachial plexus anaesthesia.
Twenty patients received either lignocaine 1.5% with 1/200,000 adrenaline (group L), or prilocaine 1.5% plain (group P) as a brachial plexus block for surgery to the upper limb, in a randomised double-blind study. The two groups were comparable in age, weight and duration of surgery and there were no significant differences between the two groups with regard to onset, pattern or degree of sensory loss. ⋯ All the blocks were performed using the same technique and provided complete surgical anaesthesia. Prilocaine 1.5% plain provides adequate sensory and motor blockade for brachial plexus anaesthesia and is a suitable agent for medium duration surgery to the upper limb.
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Contemporary orthopaedics · Mar 1991
Sciatic nerve block for residual limb pain following below-knee amputation.
Ten adult patients with diffuse nonphantom limb pain in the residual limb following below-knee amputation underwent from one to four sciatic nerve blocks for the treatment of that pain. Amputation had been performed for peripheral vascular insufficiency in eight patients and for problems resulting from open fractures in two. None of the patients had responded to prosthetic modification, oral medication, or transcutaneous nerve stimulation for treatment of their pain. At one-year following treatment with sciatic nerve blocks as described in this report, one patient had not responded well to treatment but six patients had a resolution of their symptoms, and three had less subjective pain adequate to resume their normal daily activities.