A case series: 3-dimensional computed tomographic study of the superior orbital vessels: Superior orbital arcades and their relationships with the supratrochlear artery and supraorbital artery - 10/04/21
Abstract |
Background |
Vascular complications from periorbital intravascular filler injection are major safety concerns.
Objective |
To thoroughly describe the superior orbital vessels near the orbital rim and propose considerations for upper eyelid and forehead injections.
Methods |
Fifty-one cadaver heads were infused with lead oxide contrast media through the external carotid artery, internal carotid artery, and facial and superficial temporal arteries. Computed tomography (CT) images were obtained after contrast agent injection, and 3-dimensional CT scans were reconstructed by using a validated algorithm.
Results |
Eighty-six qualified hemifaces clearly showed the origin, depth, and anastomoses of the superior orbital vessels, which consistently deployed 2 distinctive layers: deep and superficial. Of all hemifaces, 59.3% had deep superior orbital vessels near the orbital rim, including 44.2% with deep superior orbital arcades and 15.1% with deep superior orbital arteries, which originated from the ophthalmic artery. Additionally, 97.7% of the hemifaces had superficial superior orbital arcades, for which 4 origins were identified: ophthalmic artery, superior medial palpebral artery, angular artery, and anastomosis between the angular and ophthalmic arteries.
Limitations |
The arterial depth estimated from 3-dimensional CT needs to be confirmed by standard cadaver dissection.
Conclusion |
This study elucidated novel arterial systems and proposed considerations for upper eyelid and forehead injections.
Il testo completo di questo articolo è disponibile in PDF.Key words : 3-dimensional computed tomography, filler injection, sunken upper eyelid injection, superior orbital arcade, superior orbital vessel, supraorbital artery, supratrochlear artery
Abbreviations used : 3D, CT, ECA, ICA
Mappa
| Drs Liao and Hong are cofirst authors. |
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| Funding sources: None. |
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| Conflicts of interest: None disclosed. |
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| IRB approval status: Approved by the Guangdong Second Provincial General Hospital Ethics Committee (#20200310-01-02-YXKXYJ-LW). |
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| Reprints not available from the authors. |
Vol 84 - N° 5
P. 1364-1370 - maggio 2021 Ritorno al numero
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