| Using Computed Tomography: Predictive Factors for Recovery Time in Patients with Orbital Fracture with Diplopia. |
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Jong Ho Ahn, Su Jin Park, Mi Jung Chi |
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Department of Ophthalmology, Gachon University Gil Medical Center, Incheon, Korea. cmj@gilhospital.com |
| 복시가 동반된 안와골절환자에서 안와 전산화단층촬영 소견에 따른 수술 후 복시 회복기간 예측 |
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안종호·박수진·지미정 |
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가천대학교 길병원 안과학교실 |
Correspondence:
Mi Jung Chi,
Email: cmj@gilhospital.com
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Received: 22 November 2018 • Revised: 14 February 2019 • Accepted: 18 May 2019 |
| Abstract |
PURPOSE
To identify predictive factors for recovery time in patients with orbital fracture with diplopia through analysis of preoperative and postoperative computed tomography (CT) images and postoperative recovery time. METHODS: We retrospectively analyzed CT findings-preoperative: fracture size, type of fracture, fracture site, extraocular muscle (EOM) swelling, EOM and soft tissue injury, and the amount of soft tissue herniation; post-operative: degree of enophthalmos, and diplopia recovery period in 379 patients who underwent surgical treatment for orbital fracture between March 2006 and December 2015. RESULTS: The average postoperative follow-up period was 556.2 ± 59.5 days, and the mean duration of recovery was 23.9 ± 42.5 (range, 3–186) days. The recovery time of diplopia was significantly increased with the following preoperative CT findings: fracture size (small and medium < large) (p = 0.049), type of fracture (linear < hinge < comminuted, trap-door) (p < 0.01), fracture site (inferior < medial and both) (p < 0.01), EOM and soft tissue injury (prolapse and torsion, muscle entrapment, kinked muscle) (p < 0.01), and the amount of soft tissue herniation (small and medium < large) (p < 0.001). The mechanism of injury, sex, age, and the degree of enophthalmos were not related to the length of the diplopia recovery period. CONCLUSIONS: The length of diplopia recovery could be predicted by CT findings. |
| Key Words:
Computed tomography;Diplopia;Orbital fracture |
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