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Journal of the Korean Society of Plastic and Reconstructive Surgeons 2010;37(4):400-408.
Published online July 1, 2010.
Complete Septal Extension Graft using Porous High-Density Polyethylene Sheet or Septal Cartilage in Unilateral Cleft Lip Nasal Deformities: Photogrammetric Analysis.
Ki Hwan Han, Jin Wook Jeong, Mu Sik Park, Jun Hyung Kim, Dae Gu Son
Department of Plastic and Reconstructive Surgery, Keimyung University School of Medicine, Daegu, Korea. kihwanhan54@gmail.com
Abstract
PURPOSE
Complete septal extension grafts have been widely used in rhinoplasty for effective projection of the short retruded columella in Asian patients. Autologous septal cartilages and porous high-density polyethylene sheets are frequently used as septal extension grafts. This study was conducted to compare the postoperative results of porous polyethylene sheets and septal cartilages used for correction of unilateral cleft lip nasal deformities by using photogrammetric analysis. METHODS: This study investigated a total of 49 patients with cleft lip nasal deformities who underwent corrective surgery, and were followed up for at least 6 months. Septal cartilages were used in 39 patients, and porous polyethylene sheets were used in 10 patients. In all patients, through the open rhinoplasty, complete septal extension grafts were sutured to the caudal margin of the septal cartilage, and the alar cartilage was sutured with suspension. The cleft side alar cartilage was overcorrected by approximately 3 - 5 mm. Postoperative outcomes were evaluated by using photogrammetric analysis. Five indices and 4 angles were measured on their photographs taken before and after the surgery. In patients with unilateral cleft lip nasal deformities, symmetry was also evaluated by means of columellar length index.
RESULTS
The postoperative values obtained in photogrammetric analysis showed improvements in comparison with the preoperative ones. The polyethylene group produced more improved outcomes than the septal cartilage group but also resulted in more complications at the same time.
CONCLUSION
The results of this study indicates that complete septal extension grafts are efficient for the correction of unilateral cleft lip nasal deformities. However, since postoperative complications occur more frequently in the polyethylene group than in the septal cartilage group, caution is advised in using porous high-density polyethylene sheets in patients with cleft lip nasal deformities.
Keywords: Porous high-density polyethylene; Septal nasal cartilage; Cleft lip nasal deformity; Complete septal extension graft
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