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Hybrid Auricular Framework of Autologous Rib and Ear Cartilage for Microtia Reconstruction through a Preauricular
Yiwen Deng1, Zexin Zhang1, Ben Wang1
1From the Department of Auricular Reconstruction, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College.
Plastic and Reconstructive Surgery
|November 11, 2025
Summary
This study presents a novel ear reconstruction technique using a hybrid framework of autologous rib and ear cartilage. The method achieved excellent aesthetic results and high patient satisfaction in microtia reconstruction.
Area of Science:
- Plastic Surgery
- Regenerative Medicine
- Biomaterials
Background:
- Auricular framework fabrication is crucial for ear reconstruction.
- Autologous rib cartilage is an ideal grafting material, minimizing donor site morbidity.
- Optimizing cartilage use is key for successful ear reconstruction.
Purpose of the Study:
- To introduce a hybrid framework method for ear reconstruction.
- To combine autologous rib and ear cartilages for improved auricular framework.
- To evaluate the aesthetic outcomes and patient satisfaction of this novel technique.
Main Methods:
- A hybrid framework of autologous rib and ear cartilage was used for reconstruction in 153 microtia patients.
- Reconstruction was performed via a preauricular incision.
- Postoperative evaluations included morphological assessment and patient satisfaction surveys.
Main Results:
- Excellent or good morphology was achieved in 98% of reconstructed ears.
- Patient satisfaction significantly improved from 0.17 preoperatively to 8.45 postoperatively.
- No significant differences were observed in ear dimensions compared to contralateral ears.
Conclusions:
- Hybrid frameworks of autologous rib and ear cartilage offer optimal ear reconstruction.
- The preauricular approach effectively utilizes residual ear tissue and minimizes damage.
- This technique yields aesthetically favorable results with high patient satisfaction.
