A Case of Brainstem Anesthesia after Retrobulbar Block for Globe Rupture Repair

Purpose. To present a rare case of brainstem anesthesia from retrobulbar block and discuss evidence-based methods for reducing the incidence of this complication. Case. A 72-year-old female, was given a retrobulbar block of 5 mL of bupivacaine 0.5% for postoperative pain management, after a globe ru...

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Main Authors: Tavish Nanda, Lisa Ross, Gregory Kerr
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Case Reports in Anesthesiology
Online Access:http://dx.doi.org/10.1155/2021/2619327
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author Tavish Nanda
Lisa Ross
Gregory Kerr
author_facet Tavish Nanda
Lisa Ross
Gregory Kerr
author_sort Tavish Nanda
collection DOAJ
description Purpose. To present a rare case of brainstem anesthesia from retrobulbar block and discuss evidence-based methods for reducing the incidence of this complication. Case. A 72-year-old female, was given a retrobulbar block of 5 mL of bupivacaine 0.5% for postoperative pain management, after a globe rupture repair under general anesthesia. Prior to injection, the patient was breathing spontaneously via the anesthesia machine circuit and had not received any additional narcotics/muscle relaxants for 2.5 hr (with full recovery of neuromuscular blocking agent after anesthetic reversal). Over 7 min, however, there was a steady increase in ETCO2 and the patient became apneic, consistent with brainstem anesthesia. She remained intubated and was transported to the postanesthesia care unit for prolonged monitoring, with eventual extubation. Discussion. Brainstem anesthesia is an important complication to recognize as it can lead to apnea and death. The judicious use of anesthetic volume, shorter needle tips, and mixed formulations can help reduce the chance of brainstem anesthesia. Observation of the contralateral eye 5–10 minutes after injection for pupillary dilation, and prior to surgical draping, can help identify early CNS involvement.
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spelling doaj-art-1791717596cc4cd8b39a9fe3d7faa3cb2025-02-03T01:33:19ZengWileyCase Reports in Anesthesiology2090-63902021-01-01202110.1155/2021/2619327A Case of Brainstem Anesthesia after Retrobulbar Block for Globe Rupture RepairTavish Nanda0Lisa Ross1Gregory Kerr2Department of OphthalmologyDepartment of AnesthesiaDepartment of AnesthesiaPurpose. To present a rare case of brainstem anesthesia from retrobulbar block and discuss evidence-based methods for reducing the incidence of this complication. Case. A 72-year-old female, was given a retrobulbar block of 5 mL of bupivacaine 0.5% for postoperative pain management, after a globe rupture repair under general anesthesia. Prior to injection, the patient was breathing spontaneously via the anesthesia machine circuit and had not received any additional narcotics/muscle relaxants for 2.5 hr (with full recovery of neuromuscular blocking agent after anesthetic reversal). Over 7 min, however, there was a steady increase in ETCO2 and the patient became apneic, consistent with brainstem anesthesia. She remained intubated and was transported to the postanesthesia care unit for prolonged monitoring, with eventual extubation. Discussion. Brainstem anesthesia is an important complication to recognize as it can lead to apnea and death. The judicious use of anesthetic volume, shorter needle tips, and mixed formulations can help reduce the chance of brainstem anesthesia. Observation of the contralateral eye 5–10 minutes after injection for pupillary dilation, and prior to surgical draping, can help identify early CNS involvement.http://dx.doi.org/10.1155/2021/2619327
spellingShingle Tavish Nanda
Lisa Ross
Gregory Kerr
A Case of Brainstem Anesthesia after Retrobulbar Block for Globe Rupture Repair
Case Reports in Anesthesiology
title A Case of Brainstem Anesthesia after Retrobulbar Block for Globe Rupture Repair
title_full A Case of Brainstem Anesthesia after Retrobulbar Block for Globe Rupture Repair
title_fullStr A Case of Brainstem Anesthesia after Retrobulbar Block for Globe Rupture Repair
title_full_unstemmed A Case of Brainstem Anesthesia after Retrobulbar Block for Globe Rupture Repair
title_short A Case of Brainstem Anesthesia after Retrobulbar Block for Globe Rupture Repair
title_sort case of brainstem anesthesia after retrobulbar block for globe rupture repair
url http://dx.doi.org/10.1155/2021/2619327
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