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  • Title: The Deep Fascia of the Infraorbital Region, Deep Plane, and Suprafibromuscular Facelift: New Anatomy for Safer Facelifting.
    Author: Andretto Amodeo C, Eggerstedt M, Kim IA, Nabili V, Keller GS.
    Journal: Facial Plast Surg; 2022 Dec; 38(6):623-629. PubMed ID: 36261112.
    Abstract:
    Deep-plane rhytidectomy, first described by Skoog, has had a resurgence in popularity and is in high demand today. We describe anatomical findings that establish the presence of a true deep fascia in the midface, we named as Chiara's fascia, like the first author's first name, which helps to form the facial ligaments and is contiguous with the superficial layer of the deep temporal fascia. This fascia inserts on the periosteum of the inferior orbital rim at the arcus marginalis and separates the suborbicularis oculi fat (SOOF) from the preperiosteal fat. This distinct fascial layer lies under the superficial fascia or superficial musculoaponeurotic system (SMAS) and represents the floor of what is commonly termed the "deep plane." When this fascial highway is identified intraoperatively, blunt dissection immediately superficial to this layer will protect facial nerve branches overlying the muscles lifting the upper lip such as the zygomaticus. Subsequent dissection over the middle and lower face can usually be performed bluntly. Over a 10-year period, a total of 100 hemifaces were dissected with a 100% success rate of identifying this fascia in all specimens. This work was further validated by examining histologic specimens that clearly demonstrate this unique fibrofatty fascial layer. These dissections and new anatomical findings were then correlated to over 300 intraoperative deep-plane facelift cases by the primary and senior authors. We term this operative technique as the suprafibromuscular facelift. Dissection in this plane allows for safe release of facial retaining ligaments with protection of facial nerve branches.
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