• Medicine · Nov 2023

    A case series of surgical outcomes for orbital blowout fracture with extraocular muscle entrapment.

    • Jee Hye Wee, Dong Guk Kim, Jun Yong Lee, Min Jai Cho, Woo Sub Shim, and Hahn Jin Jung.
    • Department of Otorhinolaryngology-Head & Neck Surgery, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, South Korea.
    • Medicine (Baltimore). 2023 Nov 3; 102 (44): e34879e34879.

    AbstractAlthough early surgical intervention to avoid muscle degeneration in patients with blowout fractures (BOFs) and extraocular muscle entrapment is recommended, there is still no gold standard for the surgical timing of extraocular muscle release. This study aimed to present our 10-year experience with surgical outcomes in BOF patients with extraocular muscle entrapment to provide supporting data for determining the surgical timing for better outcomes. We conducted a retrospective study of patients with BOFs with extraocular muscle entrapment who underwent surgery at a tertiary hospital between December 2009 and October 2019. Their demographics, causes of injury and clinical features including limitation of extraocular movement (EOM) and diplopia were collected. Patients diagnosed with BOF with extraocular muscle entrapment accounted for 3.08% (21/681) of all cases of BOFs over a 10-year period. The patients comprised 20 males and 1 female, with a median age of 17.0 years (IQR, 13-25 years). All 21 patients had diplopia preoperatively, and 20 had EOM limitations. Nausea and vomiting were observed in 5 patients (23.8%). Surgery was performed within 48 hours after injury in 19 cases (within 24 hours in 13 cases), with a median of 17.0 hours (IQR, 11-27). The median operative time was 47.5 minutes (IQR, 31.2-73.7 minutes). The median follow-up period was 9.0 months (IQR, 7-12). At the last follow-up, 4 patients still had EOM limitations and 3 had residual diplopia; however, this did not interfere with their daily activities. Early diagnosis through facial computed tomography and physical examinations and early intervention showed successful surgical outcomes of BOF with extraocular muscle entrapment.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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