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Clinical images

Fracture of the maxillary bone during hyperbaric oxygen therapy

Yi-Heng Liu, Te-Chun Hsia, Juhn-Cherng Liu and Wei Chen
CMAJ December 02, 2008 179 (12) 1351; DOI: https://doi.org/10.1503/cmaj.080713
Yi-Heng Liu MD
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Te-Chun Hsia MD
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Juhn-Cherng Liu MD
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Wei Chen MD
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  • © 2008 Canadian Medical Association

A 26-year-old hyperbaric oxygen therapy technician with a history of chronic paranasal sinusitis was admitted to the emergency department because of ecchymosis and painful swelling over her lower right eyelid. As part of her job, she accompanied patients into the treatment chamber. She reported having worked when she had a cold 3 days before presenting to the emergency department. During decompression to 2.5 atmospheres, she felt discomfort under her right eye. Sudden, painful swelling and ecchymosis developed under her eye when the pressure was reduced to about 1.6 atmospheres (Figure 1). A computer tomography scan of the head in coronal view showed a fracture of her maxillary bone (Figure 2). She recovered uneventfully with supportive treatment.

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Figure 1: Swelling and ecchymosis in the right eye of a hyperbaric oxygen therapy technician.

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Figure 2: Computer tomography scan of the head in coronal view showing a fracture of the maxillary bone (arrow).

Trauma of the paranasal sinuses is a rare complication of hyperbaric oxygen therapy. Infection of the upper respiratory tract is a relative contraindication for the procedure. Damage may occur to the maxillary division of the fifth cranial nerve, which passes through the sinus covered only by a mucous membrane. Other relative contraindications of hyperbaric oxygen therapy include fever, seizure disorders, emphysema with hypercapnia and untreated pneumothorax.1

Footnotes

  • Clinical images are chosen because they are particularly intriguing, classic or dramatic. Submissions of clear, appropriately labelled high-resolution images must be accompanied by a figure caption and the patient's written consent for publication. A brief explanation (300 words maximum) of the educational significance of the images with minimal references is required.

REFERENCE

  1. 1.↵
    Hamilton-Farrell M, Bhattacharyya A. Barotrauma. Injury 2004;35:359-70.
    OpenUrlCrossRefPubMed
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Canadian Medical Association Journal: 179 (12)
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2 Dec 2008
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Fracture of the maxillary bone during hyperbaric oxygen therapy
Yi-Heng Liu, Te-Chun Hsia, Juhn-Cherng Liu, Wei Chen
CMAJ Dec 2008, 179 (12) 1351; DOI: 10.1503/cmaj.080713

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Fracture of the maxillary bone during hyperbaric oxygen therapy
Yi-Heng Liu, Te-Chun Hsia, Juhn-Cherng Liu, Wei Chen
CMAJ Dec 2008, 179 (12) 1351; DOI: 10.1503/cmaj.080713
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