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Ординатура / Офтальмология / Английские материалы / Advanced Surgical Facial Rejuvenation_Erian, Shiffman_2011.pdf
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J. Espinosa and J.R. Reyes

a

b

Fig. 44.16 Communication between the subperiosteal and interfascial pockets. Endoscopic view of the communicated pockets: on the left the subperiosteal pocket and on the right the interfascial pocket

avoid injury. In the event there is a need for coagulation, it must be done with extreme care, avoiding cauterization toward the superficial plane where the vein is associated with the path of the frontal branch of the facial nerve [15, 16].

The arcus marginalis (junction between the periosteum and the lateral orbital rim) is released c using the angled dissector. This release is critical for long-term results.

44.6.10Periosteal and Muscular Sectioning

Endoscopic scissors are used to cut the periosteum below the site of eyebrow and palpebral orbicularis muscle implantation. At this point, it is sometimes necessary to cauterize the sentinel vein in its portion closest to the skull. A bipolar cautery is preferable in that instance. Continuing with the dissection medially, once the site of emergence of the supratrochelar and supraorbital nerves is reached, the dissection proceeds carefully, always following a vertical direction, the same followed by the neurovascular bundle as it emerges from its orifice. The procerus and corrugator muscles are then sectioned at the site corresponding with the skin lines marked in advance (Fig. 44.17).

Fig. 44.17 Periosteal elevation. (a) Endoscopic view of lateral periosteal sectioning. (b) Dissection at the site of emergence of supratrochlear and supraorbital nerve bundles. (c) Endoscopic view of the nerve bundles

44.6.11 Fixation Suture Placement

Once the muscle is sectioned, several fixation sutures are placed from the periostium to the galea on the frontal vertical incisions, and from the deep layer of the deep