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KMID : 1160320170010010030
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Journal of Cosmetic Medicine
2017 Volume.1 No. 1 p.30 ~ p.38
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Assessment of rejuvenation by change of lid-cheek junction after transconjunctival and traditional subciliary incision blepharoplasty
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Kang Kyoung-Jin
Yang Hung-Hsu
Chai Choong-Yee
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Abstract
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Background: Transconjunctival lower blepharoplasty (TCLB) and traditional subciliary incision blepharoplasty (TSIB) are most commonly used to improve the appearance of an aged lower eyelid. The lid/cheek junction (LCJ) is located between the lower lid and midface, where structural changes caused by aging associated with both areas occur simultaneously. Thus, it may be a landmark that reflects the rejuvenation effects of lower blepharoplasty. However, there is no research-based proof yet.
Objective: The purpose of this study was to investigate the rejuvenation effects of these two lower blepharoplasty procedures by observing changes in LCJ length and shape.
Methods: The changes in LCJ length and shape in 32 patients with good follow-up among patients who underwent lower blepharoplasty between 2012 and 2016 were investigated. The patients were categorized as either TCLB (Group 1) or TSIB (Group 2) patients. Each group was further divided into the subgroups G1p, G1n, G2p, and G2n, according to the positive/negative globe-to-skeletal relationship.
Results: The shape of LCJ changed from a V-shape to a round shape, and its length decreased in G1p, G2p, and G2n, but increased in G1n. The pattern of LCJ was also affected, corresponding to the partial deformity of the zygomaticomaxillary bone. Aged lower lids were significantly improved in all groups, but infraorbital hollowness was not improved, and indeed was even worse, in G1n.
Conclusion: Patients undergoing TCLB and TSIB surgeries significantly showed rejuvenation effects for fat protrusion, skin laxity, and wrinkles without any volume restoration, and particularly, G1n showed a worse result. Therefore, TCLB should not be recommended in G1n, and combination procedures that change a negative vector into a positive vector and improve infraorbital hollowness are necessary to achieve better outcomes.
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KEYWORD
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lid-cheek junction, transconjuctival lower blepharoplasty, transcutaneous lower blepharoplasty, globe-to-skeletal relationship, negative and positive vector
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