Articles: nerve-block.
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Minerva anestesiologica · Nov 1994
Randomized Controlled Trial Clinical Trial[Effects of betamethasone on neuromuscular blockade induced by vecuronium in continuous infusion].
The aim of the study was to determine a possible interaction between a corticosteroid (betamethasone) and vecuronium, a nondepolarizing muscle relaxant. The authors studied 20 patients, ASA I-II, aged 20-54, both sexes, scheduled for abdominal surgery. ⋯ The recovery rate of vecuronium after stopping infusion at 10% recovery was also evaluated. Corticosteroids may interact with non-depolarizing muscle relaxants both in prejunctional and postjunctional acetylcholine receptors by several mechanisms of action.
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The significance of phrenic nerve block was studied in the anesthetic management of laparoscopic cholecystectomy. Right phrenic nerve block with 1% mepivacaine 10 ml was performed after the patients were epidurally catheterized and anesthetized with isoflurane and nitrous oxide in oxygen. Intraoperative anesthetic requirement and postoperative shoulder pain incidence in patients with this block were compared with those in patients without block. ⋯ It is known that phrenic nerve contains sensory element and that laparoscopic procedures of gall bladder elicit noxious stimuli which cannot be blocked by ordinary epidural anesthesia for abdominal surgery. Also, shoulder pain is said to be phrenic nerve-mediated referred pain. Our study suggests that blockade of these stimuli is effective in preventing postoperative event rather than intraoperative.
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J Craniomaxillofac Surg · Oct 1994
Clinical investigation into the incidence of direct damage to the lingual nerve caused by local anaesthesia.
The aim of this study was to investigate the amount of damage to the lingual nerve by mandibular block anaesthesia alone. For this purpose the records of 12,104 patients in whom mandibular block anaesthesia was administered without any type of surgery were reviewed. ⋯ In 17 out of these 18 patients the tongue sensation recovered after a period of 6 months. Only in one patient (0.008%) was there a slight sensory diminution of the tongue, even after one year.
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Randomized Controlled Trial Comparative Study Clinical Trial
Post-circumcision analgesia: comparison of topical analgesia with dorsal nerve block using the midline and lateral approaches.
Forty-five patients undergoing circumcision were allocated randomly to one of three study groups to compare topical analgesia with dorsal nerve block using the midline or lateral approach. Pain scores, side effects and analgesic requirements were recorded after surgery. ⋯ Fentanyl requirements and pain scores were similar in patients who received a dorsal nerve block using either the midline or lateral approach. The incidence of side effects after surgery was similar in all three groups.
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The intercostal nerve block is an effective and relatively safe intervention for postoperative pain control after upper abdominal and thoracic surgery. It may be done in the operating room or in the PACU. Understanding the mechanics of the technique can help to improve care of patients receiving this intervention.