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Comparison of otoplasty techniques in the rabbit model
R J Rohrich1, R M Friedman, D L Liland
1Division of Plastic and Reconstructive Surgery, University of Texas Southwestern Medical Center, Dallas 75235-9132.
Annals of Plastic Surgery
|January 1, 1995
Summary
Horizontal mattress sutures are superior for creating the antihelical fold in otoplasty. This technique, compared to cartilage scoring, offers greater accuracy and consistency in achieving desired ear angulation.
Area of Science:
- Plastic Surgery
- Otolaryngology
- Anatomical Reconstruction
Background:
- The optimal surgical technique for correcting prominent ears (otoplasty) is debated.
- Cartilage scoring and suturing are common methods for creating the antihelical fold.
Purpose of the Study:
- To compare the efficacy of cartilage scoring versus suturing techniques in otoplasty.
- To determine the most accurate and consistent method for achieving desired ear angulation.
Main Methods:
- 42 rabbit ears underwent otoplasty using anterior/posterior scoring, horizontal/vertical mattress sutures, or combined techniques.
- Ears were splinted for 10 days; animals were observed for 8 weeks.
- Measurements of ear angulation and histological analysis of cartilage hyperplasia were performed.
Main Results:
- Suturing techniques, alone or combined with scoring, resulted in angulation closer to 90 degrees than scoring alone (p < 0.05).
- Horizontal mattress suturing yielded the most accurate and consistent results (average angle: 86 +/- 8.5 degrees).
- Suturing alone significantly increased cartilage hyperplasia compared to other methods.
Conclusions:
- Horizontal mattress sutures are recommended for creating the antihelical fold in otoplasty.
- Suturing techniques provide superior accuracy and cartilage modification compared to scoring methods.