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논문 기본 정보

자료유형
학술저널
저자정보
김민영 (Department of Plastic and Reconstructive Surgery Inje University Busan Paik Hospital Inje University College of Medicine Busan Korea) 김동일 (Galaxy Plastic Surgery Clinic Busan Korea) 신정훈 (Galaxy Plastic Surgery Clinic Busan Korea) Jin Woo Kim (Department of Plastic Surgery Inje University Busan Paik Hospital Busan Korea)
저널정보
대한미용성형외과학회 Archives of Aesthetic Plastic Surgery Archives of Aesthetic Plastic Surgery Vol.29 No.1
발행연도
2023.1
수록면
20 - 28 (9page)

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Background Proper nasal tip projection and rotation are essential for an aesthetically pleasing nose. However, East Asians usually have thicker skin and underdeveloped na sal cartilage compared to Caucasians. Thus, techniques such as the septal extension graft, columellar strut graft, and L-shaped alloplastic implants have been introduced for additional nasal tip support and projection. However, no consensus exists regard ing the optimal method. Methods A hybrid columellar strut made of an osteochondral graft recombined with the nasal crest of the maxilla and conchal cartilage was devised. In a cadaveric study, changes due to an external bending force of the hybrid strut and costal cartilage in the same dimension were measured. In a comparative study, we divided 20 subjects into two groups according to the material used for the columellar strut graft: a hybrid colu mellar strut (experimental group) and a double-layered conchal columellar strut (con trol group). Preoperative, 1-month postoperative, and 1-year postoperative anthropo metric measurements were compared between groups. Results In the cadaveric study, the hybrid columellar strut showed superior mechanical strength. In the comparative study, the average 1-year postoperative change of the columellar labial angle was significantly smaller in the experimental group (–0.7°±1.16° vs. 2.2°±1.32°, P=0.015). The hybrid columellar strut showed superior postoperative na sal tip stability. Conclusions We devised a new hybrid columellar strut and confirmed its superior me chanical firmness and stability. Considering the suggested indications and contraindica tions, the hybrid columellar strut graft can be a new modality for tip plasty in East Asian rhinoplasty that can provide sufficient long-term nasal tip stability.

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