Not only "nurture", but also "nature", influence the outcome of zygoma repair

Tomohisa Nagasao, Tomoki Itamiya, Yoshiaki Sakamoto, Yusuke Shimizu, Hisao Ogata, Hua Jiang, Kazuo Kishi, Tsuyoshi Kaneko

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Abstract

The present study aims to elucidate the relationship between preoperative deviation patterns of fractured zygomas and treatment outcomes. Forty-five randomly selected patients with tri-pod type zygoma fractures were classified into a medial rotation group and a lateral rotation group, depending on preoperative deviation patterns. A minimum of 6 months after the operation, symmetry of the cheek was evaluated by three plastic surgeons using a VAS system. The evaluated scores were compared between the two groups. Furthermore, simulation of postoperative secondary deformity was performed by applying hypothetically defined relapse forces on CAD models produced by referring to the CT data of 20 patients. The deviation values obtained by the simulation were compared between the two groups. The results demonstrate that VAS scores were higher for the lateral rotation group than for the medial rotation group and that the deviation values were higher for the medial rotation group than for the lateral rotation group. It is concluded that treatment outcomes of zygoma fractures are affected by preoperative deviation patterns. Cases with medial rotation are likely to present poorer outcomes than those with lateral rotation.

Original languageEnglish
Pages (from-to)484-488
Number of pages5
JournalJournal of Plastic Surgery and Hand Surgery
Volume47
Issue number6
DOIs
Publication statusPublished - 2013 Dec

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Keywords

  • Fracture
  • Relapse
  • Repair
  • Trauma
  • Zygoma

ASJC Scopus subject areas

  • Surgery

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