Comparative study of the effectiveness of the surgical technique with and without preservation of the conchal cartilage in otoplasty through the measure of the cephalo-auricular and scapho-conchal angles
Open accessAbstract
OBJECTIVES: Prominent ear abnormalities affect 5% of the population. A prospective, double-blind study of patients who underwent otoplasty procedures to correct these abnormalities was conducted to compare two surgical techniques. They diverge by the preservation or not of conchal cartilage. METHODS: The two techniques were compared by measuring the cephalo-auricular and scapho-conchal angles. Measurements were performed in pre and 6-months post-operative periods using alginate molding. Twenty patients were randomly assigned to two groups (with and without cartilage preservation) with 10 participants each. Student's t-test, Covariance Analysis Model (ANCOVA), and non-parametric Mann-Whitney were used in the statistical analyses. RESULTS: A significant reduction in the average of the cephalo-auricular and scapho-conchal angles was observed in both surgical procedures (p<0.001). However, no significant difference was found between them (p=0.887). CONCLUSION: The two techniques analyzed in this study fulfilled their objectives. Therefore, further comparative studies are needed to confirm the superiority of one over the other. LEVEL I: Evidence obtained from at least one properly designed randomized controlled trial.
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PETAL – LIKE OTOPLASTY IN THE TREATMENT OF PROTRUDING EARS
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- Authors
- Soares, C. M. C., Nassif, F. D. J. D. M., Dranka, D., Becker, R. V., Hurtado, J. M., & Freitas, R. D. S.
- Affiliations
- Hospital IPO (BR)
- Complexo Hospitalar do Trabalhador (BR)
- Hospital de Clínicas Universidade Federal do Paraná (BR)
- Corresponding author
- Soares, Caio Marcio Correia
- ORCID
- Venue
- Brazilian Journal of Otorhinolaryngology
- Publisher
- Elsevier BV
- Published
- 2023-05
- Volume
- 89
- Issue
- 3
- Pages
- 410-416
- ISSN
- 1808-8686 (ISSN-L)
- 1808-8694
- PMC
- PMC10164768
- OpenAlex
- W4311490034
- Cited by
- 3
- References
- 27
- Citations by year
- 2025: 1 · 2024: 1 · 2023: 1
- FWCI
- 0.72
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Brazilian Journal of Otorhinolaryngology (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- Universidade Federal do Paraná
- Topics
- Health Sciences › Medicine › Surgery › Reconstructive Facial Surgery Techniques
- Health Sciences › Medicine › Surgery › Nasal Surgery and Airway Studies
- Health Sciences › Medicine › Genetics › Congenital Ear and Nasal Anomalies
- Keywords
- otoplasty, prominent ears, surgical technique comparison, postoperative outcomes
- MeSH terms
- Cartilage, Ear Cartilage, Ear, External, Humans, Prospective Studies, Plastic Surgery Procedures, Ear Auricle
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