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Published on: June 20, 2018
Comparison of Different Suture Techniques on Nasal Soft Tissue Envelope to Prevent Supratip Deformity: A Histologic
Serhat Şibar1, Ayhan Işık Erdal2, Duygu Şibar2
1Department of Plastic, Reconstructive and Aesthetic Surgery, Faculty of Medicine, Gazi University, 06500, Ankara, Turkey. serhatsibar@hotmail.com.
Background:
Studies have described various surgical maneuvers in rhinoplasty to limit thickening from excessive scarring in the supratip region. This study aimed to compare the effectiveness of three maneuvers-a simple suture, a U suture, and bolster dressing-used to avoid supratip deformity in a rabbit model.
Methods:
Thirty-two male New Zealand white rabbits were included. The animals were divided into four groups, and dissection was performed in the supra-perichondrial plane up to the supratip region through an open rhinoplasty incision. After dissection, the following approaches were applied to the supratip region: Group 1, simple approximation suture; Group 2, U suture; Group 3, bolster dressing; and Group 4 (control group), no suture. All animals were sacrificed after 12 weeks. Histological analysis was performed.
Results:
In Group 4, scar thickness was significantly greater than in the other groups (p < 0.05). Group 3 had greater scar thickness than Group 2 (p < 0.05). The ratio of scar thickness to skin thickness was higher in Group 4 compared with the other groups (p < 0.05). Finally, there was no difference in the ratio of scar thickness to skin thickness between Groups 1, 2, and 3 (p > 0.05).
Conclusions:
In this study, it was concluded that surgical methods using sutures in the supratip region reduced scar thickness in a rabbit model, and these surgical methods had similar levels of effectiveness.
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