Background: Due to the small and weak septal cartilage of Asians, it is a challenge to obtain ideal tip projection and nose lengthening in this population by performing septal extension grafts with only septal cartilage.
Objectives: The aim of this study was to introduce a septal extension graft complex incorporating nasal septal cartilage, the perpendicular plate of the ethmoid bone, and bilateral auricular cartilage, and to examine its effectiveness in terms of morphological and mechanical support.
Methods: Septal cartilage was harvested under an endoscope according to standard techniques. Two pieces of the perpendicular plate of the ethmoid bone, placed on either side of the "L" strut, served as 2 spreader grafts. A double layer of auricular cartilage was fixed as columellar strut grafts. Three-dimensional facial scanning was used to examine the change of 3 parameters. Nasal tip resistance was evaluated by a digital Newton meter.
Results: In total, 25 patients were followed up postoperatively for a mean of 25.9 months. The analysis showed significant differences in both contour parameters and nasal resistance: nasal length (mean [standard deviation], 41.4 [4.0] vs 46.2 [3.4] mm, P < 0.05) and nasal tip projection (21.3 [3.2] vs 24.4 [2.7] mm, P < 0.05) appeared to increase postoperatively, whereas nasolabial angle (117.6° [5.9°] vs 109.5° [5.3°], P < 0.05) showed a significant decrease after surgery. The resistance of the nasal tip also increased significantly (P < 0.05) at displacements of 1, 2, and 3 mm. All patients were satisfied with the aesthetic results, and no serious complications occurred.
Conclusions: This kind of modified septal extension graft technique can effectively adjust nasal morphology for short-nose East Asians.
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