Technique
Due to the prevalence of septal hypoplasia among many Asian individuals, traditional approaches to rhinoplasty employing an endogenous extension framework face inherent limitations. Herein, we present a pioneering exogenous extension framework that integrates expanded polytetrafluoroethylene (ePTFE) with costal cartilage for the enhancement of rhinoplastic procedures. The nasal dorsal ePTFE serves to augment the nasal dorsum and root, while the mushroom-shaped graft derived from costal cartilage provide essential support to both the nasal columella and tip elevation. These components were meticulously mortised and tenoned together, resulting in a stable exogenous support structure for nasal architecture that is independent of septal integrity.
Results
Our cohort encompassed 85 patients-comprising 61 females and 24 males-with a mean age of 31 years. The mean duration of surgical intervention was approximately 3.5 h. Notably, there were no significant complications reported, such as wound infection, ischemic conditions affecting either the nasal tip or column. There were two patients who expressed dissatisfaction regarding the shape of their nasal tip; however, following minor modifications performed six months post-operatively, both patients reported satisfaction with the final contour. Long-term follow-up extending beyond one year indicated significant improvements in the morphology of various nasal subunits after surgical intervention. Other patients also conveyed general satisfaction with their surgical outcomes. None of the individuals presented symptoms indicative of restricted nasal ventilation.
Conclusions
This pioneering framework is specifically tailored for Asian rhinoplasty, and offers distinct advantages for patients with nasal septum dysplasia by eliminating reliance on support from the nasal septum.
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