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KMID : 0390220060170010114
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Journal of Clinical Otolaryngology, Head and Neck Surgery
2006 Volume.17 No. 1 p.114 ~ p.119
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Effectiveness of Endoscopic Endonasal Reconstruction in Blowout Fracture of the Medial Orbital Walls
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Jeong Jin-Hyeok
Cho Seok-Hyun
Kim Kyung-Rae
Lee Yoon-Jung
Min Hyun-Jung
Chung Jae-Ho
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Abstract
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Objectives : Conventionally, reconstruction of blowout fractures of the medial orbital wall has been performed by
the transorbital approach. Advanced high resolution endoscopes currently provide surgeons with excellent visualization
and access the medial orbital wall without external incision. We studied the clinical results and effectiveness of endoscopic endonasal approach that allows the repair of blowout fractures of the medial orbital wall. Materials and Methods : Fifteen patients with blowout fractures of the medial orbital wall treated by endoscopic endonasal reconstruction were studied retrospectively. The area of fracture site and the volume of herniated orbital tissue were measured in computed tomographic scans. Operative results and the relationship between ophthalmic symptoms and signs and measured value were analyzed. Results : All patients showed a complete improvement of their symptoms. There was no intraoperative or postoperative complications. The average area of fracture site and volume of herniated tissue were 1.96 cm2 and 0.65 ml, respectively. Fracture area over 2 cm2 was significant correlated with diplopia. Enophthalmos over 2 mm could be expected with large defect area and herniated volume. Conclusion : Endoscopic endonasal reconstruction of blowout fractures of the medial orbital wall without an external incision has provided good functional and cosmetic results.
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KEYWORD
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Orbital fractures, Endoscope, Reconstructive surgical procedures
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