AI Article Synopsis
- Lips are crucial for facial attractiveness and communication, prompting research on the anatomy of labial arteries for safer filler injections.
- Study involved 41 healthy participants using ultrasound to map the 3D positions and depths of the superior and inferior labial arteries within the lips.
- Findings indicate that these arteries are mostly found in the submucosal plane, primarily located within the red lip, suggesting that shallow, perpendicular injections may enhance safety during aesthetic procedures.
Article Abstract
Background: Lips are considered a key element of facial attractiveness due to their central position in the face and their elemental role in verbal and nonverbal communication.
Objectives: The authors sought to provide clinically relevant information on the 3-dimensional pathway of the superior and inferior labial arteries within the lips to increase safety during labial soft tissue filler injections.
Methods: The study enrolled 41 healthy volunteers with a mean age of 26.17 ± 9.6 years and a mean body mass index of 23.09 ± 2.3 kg/m2. Ultrasound imaging was performed at 6 different locations. The position of the labial arteries within the lips, depth of the arteries, cranio-caudal location of each artery in relation to the vermilion border, and diameter of the superior/inferior labial arteries were recorded.
Results: The most frequent location of both the superior and inferior labial arteries was the submucosal plane (58.5%) followed by intramuscular (36.2%) and subcutaneous (5.3%) planes. The depth of the superior labial artery in the upper lip was 5.6 ± 0.13 mm, whereas the depth of the inferior labial artery in the lower lip was 5.2 ± 0.14 mm. Both arteries were more frequently located within the red lip: upper lip (83% vs 18.7%) and lower lip (86.2% vs 13.8%). In the midline, the artery coursed within the red lip in all investigated volunteers.
Conclusions: Clinically, results of this study favor a superficial injection plane for lip volumization procedures. A perpendicular approach to the lip (coming from the cutaneous lip) might increase safety because the artery is located most frequently within the red lip.
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| http://dx.doi.org/10.1093/asj/sjaa137 | DOI Listing |
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