Septum-Based Nasal Tip Plasty: A Comparative Study between Septal Extension Graft and Double-Layered Conchal Cartilage Extension Graft

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Abstract

Background:

The septal extension graft is currently the most commonly used primary and secondary rhinoplasty technique in Asia because it provides maximal tip projection and rotational controllability. The authors compared the tip projection amount and rotational controllability of the tip support between the septal extension graft based on the L-strut septum and double-layer conchal cartilage graft based on the full septum at the nasal tip.

Methods:

Twenty-seven consecutive patients who underwent nasal tip plasty with the septal extension graft or double-layer conchal cartilage graft for purely aesthetic reasons between March of 2014 and July of 2016 were included. The nasal tip projection and columellar labial angle preoperatively (time 0), immediately postoperatively (time 1, an average of 2 weeks after the operation), and postoperatively (time 2, an average of 7 months after the operation) were analyzed with clinical photography.

Results:

Fourteen patients (group A) underwent septal extension graft surgery and 13 (group B) underwent double-layer conchal cartilage graft surgery. Changes of 61 and 74 percent in tip projection ratio were immediately achieved and were maintained after surgery for groups A and B, respectively (time 2 versus time 0 dividing time 1 versus time 0; p = 0.722 for groups A and B). Therefore, the relapse ratio of this technique was 39 and 26 percent for groups A and B, respectively.

Conclusions:

This comparative study between the septal extension graft and double-layer conchal cartilage graft showed that both nasal tip plasties are similar in terms of stability. Considering the fact that the double-layer conchal cartilage graft could preserve septal support, this technique could become an effective and safe alternative option for rhinoplasty.

CLINICAL QUESTION/LEVEL OF EVIDENCE:

Therapeutic, III.

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