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Topographic Anatomy of the Infraorbital Artery and Its Clinical Implications for Nasolabial Fold Augmentation

Kim, Hong-San, Ph.D.; Lee, Kyu-Lim, B.P.E.; Gil, Young-Chun, Ph.D.; Hu, Kyung-Seok, D.D.S., Ph.D.; Tansatit, Tanvaa, M.D., M.Sc.; Kim, Hee-Jin, D.D.S., Ph.D.

Plastic and Reconstructive Surgery: September 2018 - Volume 142 - Issue 3 - p 273e–280e
doi: 10.1097/PRS.0000000000004704
Cosmetic: Original Articles

Background: Understanding the topography of the blood vessels distributed around the nasolabial fold region is essential for ensuring the safety of dermal filler injections into the nasolabial fold. The purpose of this study was to provide anatomical information on the infraorbital artery distribution and its relationship with the facial artery for use in clinical procedures involving filler injection during nasolabial fold augmentation.

Methods: The infraorbital artery was investigated in the nasolabial fold region divided into zones I to XII based on clock-hour meridians centered on the infraorbital foramen. The running layers of the infraorbital artery and infraorbital nerve were also compared in the infraorbital foramen. Changes in the infraorbital artery were observed according to vascular dominance of the facial artery.

Results: The infraorbital artery was divided into three main branches, palpebral, nasal, and labial infraorbital artery branches in 34.7, 100, and 100 percent of the specimens, respectively; with these branches of palpebral, nasal, and labial infraorbital artery observed most commonly in zones I, V, and VI, respectively. Analysis of the bilateral facial artery topography revealed that its vascular dominance was observed in 19.4 percent. The infraorbital artery was thicker and had a wider distribution on the nondominant side of the facial artery, whereas the nasal infraorbital nerve anastomosed with the facial artery in the lateral nasal region in 57.1 percent.

Conclusion: Investigating and verifying the vascular structure regarding its interactions with the facial artery and infraorbital artery will provide critical information to physicians performing facial surgery and cosmetic procedures.

Seoul, Republic of Korea; and Bangkok, Thailand

From the Division of Anatomy and Developmental Biology, Department of Oral Biology, Human Identification Research Institution, BK21 PLUS Project, Yonsei University College of Dentistry; and the Chula Soft Cadaver Surgical Training Center and Department of Anatomy, Faculty of Medicine, Chulalongkorn University.

Received for publication September 19, 2017; accepted February 2, 2018.

Disclosure: The authors have no financial interest to declare in relation to the content of this article. No external funding was received.

Hee-Jin Kim, D.D.S., Ph.D., Division in Anatomy and Developmental Biology, Department of Oral Biology, Yonsei University, College of Dentistry, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea,

©2018American Society of Plastic Surgeons