• R S Kulkarni, L E Braverman, and N A Patwardhan.
• Department of Anesthesiology, University of Massachusetts Medical Center, Worcester 01655, USA.
• J. Endocrinol. Invest. 1996 Dec 1; 19 (11): 714-8.

AbstractWe evaluated the benefits of bilateral deep cervical plexus block regional anesthesia in healthy and high risk patients undergoing thyroid and parathyroid surgery and assessed its effects on respiratory function. Twenty-one patients undergoing thyroid and parathyroid operations were studied. Bilateral superficial and deep plexus blocks were performed in all patients except one (who received only superficial plexus block because of a slightly prolonged prothrombin time) with 0.375-0.5% bupivacaine with 1:200,000 epinephrine. Intraoperatively, supplemental intravenous sedatives/narcotics were titrated to achieve patient comfort and cooperation. To allay anxiety, patients were allowed to listen to music via headphones intraoperatively. Forced vital capacity was measured before block, 10 minutes after the block and in the recovery room in half the patients. Eighteen patients tolerated the procedure well with supplemental sedation. Two patients required supplemental inhalation anesthesia via mask and one required tracheal intubation because of coughing prior to surgery. Three high risk patients tolerated the procedure well requiring only intraarterial line monitoring. Postoperatively, 11 patients had minimal incisional pain, 13 patients had mild pain on swallowing and 2 patients complained of nausea. There were no significant differences in the baseline forced vital capacity vs. forced vital capacity measured after the block and in the recovery room. This study indicates that regional anesthesia is an appropriate alternative to general anesthesia in selected patients undergoing thyroid and parathyroid surgery and did not compromise respiratory function.

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