Archives of Plastic Surgery

Korean Society of Plastic and Reconstructive Surgeons (대한성형외과학회)
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Prevalence of Diplopia and Extraocular Movement Limitation according to the Location of Isolated Pure Blowout Fractures

  • Park, Min-Seok (Department of Plastic and Reconstructive Surgery, Sanggye Paik Hospital, Inje University College of Medicine) ;
  • Kim, Young-Joon (Department of Plastic and Reconstructive Surgery, Sanggye Paik Hospital, Inje University College of Medicine) ;
  • Kim, Hoon (Department of Plastic and Reconstructive Surgery, Sanggye Paik Hospital, Inje University College of Medicine) ;
  • Nam, Sang-Hyun (Department of Plastic and Reconstructive Surgery, Sanggye Paik Hospital, Inje University College of Medicine) ;
  • Choi, Young-Woong (Department of Plastic and Reconstructive Surgery, Sanggye Paik Hospital, Inje University College of Medicine)
  • Received : 2012.01.31
  • Accepted : 2012.03.09
  • Published : 2012.05.15
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Abstract

Background : Isolated pure blowout fractures are clinically important because they are the main cause of serious complications such as diplopia and limitation of extraocular movement. Many reports have described the incidence of blowout fractures associated with diplopia and limitation of extraocular movement; however, no studies have statistically analyzed this relationship. The purpose of this study was to demonstrate the correlation between the location of isolated pure blowout fractures and orbital symptoms such as diplopia and limitation of extraocular movement. Methods : We enrolled a total of 354 patients who had been diagnosed with isolated pure blowout fractures, based on computed tomography, from June 2008 to November 2011. Medical records were reviewed, and the prevalence of extraocular movement limitations and diplopia were determined. Results : There were 14 patients with extraocular movement limitation and 58 patients complained of diplopia. Extraocular movement limitation was associated with the following findings, in decreasing order of frequency: floor fracture (7.1%), extended fracture (3.6%), and medial wall (1.7%). However, there was no significant difference among the types of fractures (P=0.60). Diplopia was more commonly associated with floor fractures (21.4%) and extended type fractures (23.6%) than medial wall fractures (10.4%). The difference was statistically significant (Bonferroni-corrected chi-squared test P<0.016). Conclusions : Data indicate that extended type fractures and orbital floor fractures tend to cause diplopia more commonly than medial wall fractures. However, extraocular movement limitation was not found to be dependent on the location of the orbital wall fracture.

Keywords

References

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