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J Craniofac Surg. 2020 Jan 31;:
Authors: Kim CH, Choi WY, Son KM, Cheon JS
Abstract
A subciliary incision has been widely used not only for blepharoplasty but also for facial fracture surgery. However, lower eyelid malpositioning is one of the most common complications after fracture surgery. A limited number of studies have been conducted on the relationships among evaluation of the canthal area, orbital vector analysis, and lower eyelid malpositioning following the subciliary approach for surgical repair of fractures. The primary goal of this study was to identify and analyze the possible risk factors, including incidence of lower eyelid malpositioning and orbital vector after surgical correction of the orbital fracture. A total of 241 cases of orbital fracture surgery was retrospectively reviewed. Data related to the patient and surgery were collected. Orbital vector and angle that reflects the vector, distance between soft tissue and bone in the lateral canthal area were measured for orbital vector analysis. The relationship between the prevalence of the malpositioning of the lower eyelid and each factor was statistically analyzed. The distance between the soft tissue and bone at the lateral canthal area was statistically significant (P = 0.031). The distance between the soft tissue and bone at lateral canthal area illustrates the lateral side or periorbital anatomical morphology. It could be inferred that patients with a negative orbital vector were relatively more vulnerable to scar formation or lower eyelid malpositioning caused by iatrogenic factors. Therefore, it could be analyzed as a risk factor to predict the malpositioning of the lower eyelid postoperatively.
PMID: 32011543 [PubMed - as supplied by publisher]
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