Articles: nerve-block.
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J. Thorac. Cardiovasc. Surg. · Mar 1975
Treatment of intercostal neuralgia with 10 per cent ammonium sulfate.
Intercostal nerves were injected with 10 per cent annomium sulfate in 41 patients (52 total sets of injections) for management of intercostal neuralgia from radical mastectomy (six blocks), thoracotomy (20 blocks), or unknown etiology (26 blocks). Five patients failed to return for follow-up evaluation and could not be located. Sixty per cent (28/47) of the treatments produced complete or nearly complete (excellent) relief of pain. ⋯ Postblock neuritis never occurred. We conclude that intercostal nerve block with 10 per cent ammonium sulfate effectively relieves intercostal neuralgia and is not associated with postblock neuritis. We therefore believe that ammonium sulfate nerve blocks should be administered for treatment of intercostal neuralgia before phenol or alcohol nerve blocks or a surgical procedure.
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Comparative Study
Intercostal nerve block for postoperative somatic pain following surgery of thorax and upper abdomen.
From 1948 to 1973, intercostal nerve block was used 10,941 times or a total of approximately 100,000 individual nerves were blocked. Junior staff (residents) performed 95% of the blocks. The local anaesthetic solution of choice used 0.25 or 0.5% bupivacaine (Marcaine) with adrenaline. ⋯ The duration of the blocks was 9-18 hr. No severe systemic toxic reactions occurred, e.g. disorientation, convulsions, etc. The incidence of pneumothorax was 0.073%.
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Brachial plexus block (axillary approach) has been compared with ulnar nerve block for the evaluation of local anaesthetic drugs. Duration of analgesia is the same in both techniques with the same drugs. Following axillary nerve block the median, ulnar and radial nerves are blocked for a different time. ⋯ Larger amounts of local anaesthetic solutions are necessary for plexus blockade and this may cause toxic effects. The volunteer's comfort is less after plexus block because of more widespread paralysis. Therefore, ulnar nerve block and extradural block are in many respects the most suitable techniques for evaluation of new local anaesthetic agents.
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In this paper, a description is given of a simple, rapid method of peripheral nerve block by means of electrical nerve stimulation. This method gives optimal results and does not require cooperation by the patient. Since optimal sedation is permissible, the method is painless.
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Acta Anaesthesiol Scand Suppl · Jan 1975
Comparative Study Clinical TrialAxillary plexus block with etidocaine.
Axillary plexus block has been used to compare 0.5% and 1.0% etidocaine (with adrenaline 5 mug/ml) in 32 patients in an open label study. The injected volume was 30 ml. The time to total analgesia and motor block was around 10-12 minutes. ⋯ The time from injection to return of total sensation and motility was 8.5-10 hours. Adequate analgesia was achieved in all patients but two (one in each group). No noteworthy differences were found between the two solutions.