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Orbital blowout fracture location in Japanese and Chinese patients

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Abstract

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.

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Conflicts of interest

M. T. Sun, None; W. Wu, None; A. Watanabe, None; H. Kakizaki, None; B. Chen, None; K. Ueda, None; N. Katori, None; Y. Takahashi, None; D. Selva, None.

Author information

Authors and Affiliations

  1. Discipline of Ophthalmology and Visual Sciences, The University of Adelaide, South Australian Institute of Ophthalmology and Royal Adelaide Hospital, Adelaide, Australia

    Michelle T. Sun & Dinesh Selva

  2. Eye Hospital of Wenzhou Medical College, Wenzhou, People’s Republic of China

    Wencan Wu & Ben Chen

  3. Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto, Japan

    Akihide Watanabe & Kosuke Ueda

  4. Department of Ophthalmology, Aichi Medical University, Nagakute, Aichi, Japan

    Hirohiko Kakizaki & Yasuhiro Takahashi

  5. Seirei Hamamatsu Hospital, Seirei, Hamamatsu, Shizuoka, Japan

    Nobutada Katori

Authors
  1. Michelle T. Sun
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  2. Wencan Wu
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  3. Akihide Watanabe
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  4. Hirohiko Kakizaki
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  5. Ben Chen
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  6. Kosuke Ueda
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  7. Nobutada Katori
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  8. Yasuhiro Takahashi
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  9. Dinesh Selva
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Corresponding author

Correspondence to Michelle T. Sun.

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Sun, M.T., Wu, W., Watanabe, A. et al. Orbital blowout fracture location in Japanese and Chinese patients. Jpn J Ophthalmol 59, 65–69 (2015). https://doi.org/10.1007/s10384-014-0357-x

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  • DOI: https://doi.org/10.1007/s10384-014-0357-x

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