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  • Title: Delayed vocal fold paralysis after continuous interscalene level brachial plexus block with catheter placement: a case report.
    Author: Gollapalli L, McKelvey G, Wang H.
    Journal: J Clin Anesth; 2014 Aug; 26(5):407-9. PubMed ID: 25127067.
    Abstract:
    We report an incident of delayed onset of true vocal fold paralysis with continuous interscalene brachial plexus block. A 51 year old woman underwent left shoulder manipulation and lysis of adhesions with fluoroscopy and general anesthesia. An interscalene brachial plexus block was performed and a catheter with a continuous infusion pump was placed for postoperative pain control. Following hospital discharge, approximately 8 hours after the initial catheter bolus the patient developed hoarseness, dysphagia, and dyspnea, secondary to left vocal fold palsy. The patient was admitted for observation and the catheter was discontinued with no intubation required. By the next morning, the patient's dysphagia and dyspnea had resolved and her hoarseness improved.
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