Orbital blowout fracture location in Japanese and Chinese patients

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• 作者：Michelle T. Sun ; Wencan Wu ; Akihide Watanabe…
• 关键词：Orbital blowout fracture ; Asian patients ; Medial orbital wall ; Orbital floor
• 刊名：Japanese Journal of Ophthalmology
• 出版年：2015
• 出版时间：January 2015
• 年：2015
• 卷：59
• 期：1
• 页码：65-69
• 全文大小：448 KB
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• 刊物类别：Medicine
• 刊物主题：Medicine & Public Health
  Ophthalmology
  
• 出版者：Springer Japan
• ISSN：1613-2246

文摘

Purpose To characterize the location of orbital blowout fractures in Asian individuals. Methods This was a retrospective review of 470 consecutive Asian patients with orbital blowout fractures who presented to four tertiary care hospitals in Japan and China. Computed tomography (CT) characterized the location and severity of fractures involving the medial wall, the orbital floor, and/or the maxilloethmoidal strut. Results A total of 475 orbital blowout fractures were identified. More than one fracture location was involved in 19?% of all cases. The medial orbital wall was the most commonly involved location, presenting in 29 cases (61?%), of which 204 (43?%) were isolated medial blowout fractures. The orbital floor was the second most common location involved, present in 226 cases (48?%) with 150 isolated orbital floor fractures (32?%), while the maxilloethmoidal strut was involved in 45 cases (9?%) with 30 of those being isolated strut fractures (6?%). The majority of fractures (62?%) were classified as moderately severe, whilst 14?% were mild, and 24?% were severe. Associated nasal fractures were present in 16?% of the cases. Conclusions Orbital blowout fractures in Japanese and Chinese individuals occur most commonly in the medial wall. This is in contrast to previous reports on white individuals, who tend to sustain fractures involving the orbital floor rather than the medial wall.