Review Article

Increasing Nasal Tip Projection Using Structural Grafts: A Review of Outcomes

Authors: Magnus J. Chun, BS, Taruni Kumar, BS, Samantha O’Connell MS, Stephen Metzinger MD

Abstract

Objectives: Nasal tip projection (NTP) is an important criterion when evaluating the result of rhinoplasties. Increasing NTP is essential for nasal function and visual aesthetics. Grafts such as columellar strut grafts (CSGs) and septal extension grafts (SEGs) are commonly used. We analyzed the safety and efficacy of the most commonly used grafts for increasing NTP during surgical rhinoplasty.

Methods: The authors reviewed all English-language articles in PubMed, Embase, and Web of Science between 2000 and 2020 that reported original outcomes on structural grafts used to increase NTP. We recorded and analyzed the following at 6 months postoperatively: NTP change, Goode ratio, nasolabial/columellar-labial angle, postoperative complications, and subjective patient assessments. A total of two structural grafts in 35 studies (21 CSG, 14 SEG) were included.

Results: Of the 2290 included patients, 1707 received CSGs (21 studies) and 583 received SEGs (14 studies). Overall NTP increased after using either graft. Subgroup analysis showed that more patients experienced postoperative complications after receiving SEGs (23.7%) than CSGs (9.7%). For patient satisfaction, three CSG studies found 83.3% of patients rated their satisfaction high, 12.1% moderate, and 4.5% not satisfied (n = 66). Most patients reported improvement in tip projection (97.0%), breathing (86.4%), and olfaction (83.3%). There was a significant increase in average patient satisfaction on the Visual Analog Scale (n = 39).

Conclusions: Findings show that CSG and SEG grafts were safe and effective at increasing NTP. We suggest that CSG may be safer and more effective than SEG at increasing NTP in rhinoplasties. Further prospective studies may elucidate the mechanisms underlying the differences between CSGs and SEGs in patient safety and satisfaction when increasing NTP in surgical rhinoplasty.

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