J Korean Soc Plast Reconstr Surg.  2003 Jan;30(1):20-23.

A Retrospective Study on the Injury of Infraorbital Nerve According to Types of Orbitozygomatic Complex Fracture

Affiliations
  • 1Department of Plastic and Reconstructive Surgery, School of Medicine, Dongguk University, Seoul, Korea. dgpsljm @hanmail.net

Abstract

In the orbitozygomatic complex fracture, sensory impairment due to the damage of the infraorbital nerve is one of the most common symptom and complication. In this report, we have the assumption that surgical approach for rigid fixation method may have correlations to the damage and regeneration of the nerve. Among patients who had open reduction and internal fixation for unilateral orbitozygomatic complex fracture in our hospital from March 1997 to August 2000, we selected 40 cases. The pin-prick test and the 2-point discrimination test on the infraorbital nerve regions were done for testing the sensory impairments. Two different fracture classification methods were used in this research. First, Henderson's method was used. The results of preoperative test results showed that 17 patients out of 40 patients were abnormalities. More specifically, type IV patients had the highest sensory impairments. In a comparison of the approach methods, the patients who adopted both method showed higher tendency of recovery of sensory impairments. From these results, the degree of deviation in the fracture and the type of approach may be an important prognostic factor for the sensory impairments due to the orbitozygomatic complex fracture.

Keyword

Orbitozygomatic complex fracture; Infraorbital nerve

MeSH Terms

Classification
Discrimination (Psychology)
Humans
Regeneration
Retrospective Studies*
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