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Diplopia After Maxillary Nerve Block Through the Lateral Infrazygomatic Approach: A Case Report and Literature Review

Authors Kim M, Oh Y, Kim J

Received 2 December 2020

Accepted for publication 4 February 2021

Published 17 February 2021 Volume 2021:14 Pages 481—485

DOI https://doi.org/10.2147/JPR.S295211

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Dr Ellen Soffin


Minkyung Kim,1 Yoomin Oh,1 Jeongsoo Kim1,2

1Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, Republic of Korea; 2Department of Anesthesiology and Pain Medicine, SMG-SNU Boramae Medical Center, Seoul, Republic of Korea

Correspondence: Jeongsoo Kim
Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, 03080, Republic of Korea
Tel +82-2-2072-2467
Email dreamsu457@gmail.com

Abstract: Maxillary nerve block is widely used for treating trigeminal neuralgia. Common complications of the procedure include bleeding and sensory abnormalities, but ophthalmic complications have been rarely reported. A 60-year-old woman underwent maxillary nerve block for refractory trigeminal neuralgia. Ten minutes after the procedure had ended, the patient reported double vision when she tried to turn the left eye outward. After examination, the patient was presumed to have diplopia due to the abducens nerve block. However, the symptom disappeared approximately 30 minutes later without any treatment. Thus, to prevent diplopia, the dose of local anesthetics should be reduced. Moreover, negative blood aspiration should be confirmed during the injection. To the best of our knowledge, this is the first case to report diplopia after maxillary nerve block without neurolysis through the lateral infrazygomatic approach.

Keywords: diplopia, nerve block, trigeminal neuralgia

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