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http://dx.doi.org/10.5999/aps.2020.02173

Inferomedially impacted zygomatic fracture reduction by reverse vector using an intraoral approach with Kirschner wire  

Jang, Jin Woo (Department of Plastic Surgery, Kyung Hee University Hospital)
Cho, Jaeyoung (Department of Plastic Surgery, Kyung Hee University Hospital)
Burm, Jin Sik (Department of Plastic Surgery, Kyung Hee University Hospital, Kyung Hee University College of Medicine)
Publication Information
Archives of Plastic Surgery / v.48, no.1, 2021 , pp. 69-74 More about this Journal
Abstract
Background In inferomedially rotated zygomatic fractures sticking in the maxillary sinus, it is often difficult to achieve complete reduction only by conventional intraoral reduction. We present a new intraoral reduction technique using a Kirschner wire and its clinical outcome. Methods Among 39 inferomedially impacted zygomatic fractures incompletely reduced by a simple intraoral reduction trial with a bone elevator, a Kirschner wire (1.5 mm) was vertically inserted from the zygomatic body to the lateral orbital rim in 17 inferior-dominant rotation fractures and horizontally inserted to the zygomatic arch in nine medial-dominant and 13 bidirectional rotation fractures. A Kirschner wire was held with a wire holder and lifted in the superolateral or anterolateral direction for reduction. Following reduction of the zygomaticomaxillary fracture, internal fixation was performed. Results Fractures were completely reduced using only an intraoral approach with Kirschner wire reduction in 33 cases and through an additional lower lid or transconjunctival incision in six cases. There were no surgical complications except in one patient with undercorrection. Postoperative 6-month computed tomography scans showed complete bone union and excellent bone alignment. Four patients experienced difficulty with upper lip elevation; however, these problems spontaneously resolved after manual tissue lump massage and intralesional steroid (Triamcinolone) injection. Conclusions We completely reduced infraorbital rim fractures, zygomaticomaxillary buttresses, and zygomaticofrontal suture fractures in 84% of patients through an intraoral approach alone. Intraoral Kirschner wire reduction may be a useful option by which to obtain effective and powerful reduction motion of an inferomedially rotated zygomatic body.
Keywords
Zygomatic fracture; Rotation; Zygoma;
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