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Comparison of Polypropylene and Polydioxanone in the Hemitransdomal Suture: A Novel Rabbit Ear Cartilage Model

  • Original Articles
  • Rhinoplasty
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Abstract

Background

Lower lateral cartilage reshaping is one of the basic steps in rhinoplasty. Hemitransdomal suture is frequently used for dome narrowing. Different suture materials can be used for hemitransdomal suture. In this study, we investigated the effectiveness of polypropylene and polydioxanone in hemitransdomal suture by designing a new experimental model in the rabbit ear cartilage.

Methods

Twelve young adult male New Zealand White rabbits were used. The bipedicled inverted-U-shaped cartilage was elevated in each ear of the rabbits. Two hemitransdomal sutures were applied using 5-0 polypropylene on one ear and 5-0 polydioxanone on the other ear randomly. A 5 mm high cartilage mound was created with two hemitransdomal sutures on each side. The sample size was twelve both in the polypropylene group and the polydioxanone group (n = 12). All animals were sacrificed after three months. Cartilage mound heights were measured. The samples were examined histologically regarding fibroadipose tissue, inflammation, foreign body granuloma, cartilage degeneration, and the presence of inclusion cyst.

Results

Cartilage mound height was significantly higher in the polypropylene group than in the polydioxanone group at the end of the third month [3.75 mm (± 0.68) vs. 3.03 mm (± 0.69); p < 0.05]. There was no significant difference between the two groups in histological analysis (p > 0.05).

Conclusions

Polypropylene suture may be more effective in maintaining the shape given to the dome by hemitransdomal sutures in rhinoplasty.

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Funding

The authors received no financial support for the research, authorship, and publication of this article.

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Authors and Affiliations

  1. Department of Plastic, Reconstructive and Aesthetic Surgery, Faculty of Medicine, Gazi University, 06500, Ankara, Turkey

    Ayhan Işık Erdal, Serhat Şibar, Duygu Şibar & Gökhan Doğan

  2. Department of Histology and Embryology, Faculty of Medicine, Gazi University, 06500, Ankara, Turkey

    Süheyla Esra Özkoçer

Authors
  1. Ayhan Işık Erdal
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  2. Serhat Şibar
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  3. Duygu Şibar
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  4. Gökhan Doğan
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  5. Süheyla Esra Özkoçer
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Corresponding author

Correspondence to Ayhan Işık Erdal.

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The study was approved by the Animal Experiments Local Ethics Committee (G.U.ET-22.100).

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Erdal, A.I., Şibar, S., Şibar, D. et al. Comparison of Polypropylene and Polydioxanone in the Hemitransdomal Suture: A Novel Rabbit Ear Cartilage Model. Aesth Plast Surg 48, 878–883 (2024). https://doi.org/10.1007/s00266-023-03793-2

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