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Reliability of Nasofacial Analysis Using Rhinobase ® Software

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Abstract

Objective

Rhinoplasty is a constant challenge for the surgeon, where the correct evaluation of facial aesthetic parameters allows harmonic changes appropriate for each patient. The aim of this study was to compare the preoperative and postoperative results of nasofacial analysis, performed by Rhinobase ® software (indirect anthropometry) compared with direct anthropometry (caliper), in patients undergoing aesthetic rhinoplasty.

Methods

The authors assessed the reliability of using Rhinobase ® software for measuring nasofacial characteristics in 20 individuals (18 F, 2 M). In each patient, the nasofacial analysis was performed before and after surgery. Two raters performed indirect anthropometry on each image on two separate occasions.

Results

Intrarater and interrater reliability for most indirect anthropometric measurements had intraclass correlation coefficients greater than 0.8. Regarding intermethod reliability, Pearson correlation coefficients ranged from 0.6 to 0.9 for most measurements. The highest correlation was found in interalar width, chin vertical, and lower facial height. The Cronbach’s α coefficient calculated for all measurements was 0.8.

Conclusions

The Rhinobase ® software is an easy and safe method for facial analysis. This study provides evidence of high reliability for several nasofacial measurements. The nasofacial analysis allows an accurate preoperative evaluation, surgical planning, and analysis of outcomes in rhinoplasty and may be a useful tool for both novice and experienced surgeons.

Level of Evidence IV

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Authors and Affiliations

  1. Maxillofacial Surgery Service, Hospital del Trabajador de Santiago, Santiago, Chile

    Manuel Meruane, Maria Fernanda Ayala, María Angélica García-Huidobro & Patricio Andrades

  2. Division of Plastic Surgery, Department of Surgery, University of Chile Clinical Hospital, Santiago, Chile

    Manuel Meruane, Maria Fernanda Ayala, María Angélica García-Huidobro & Patricio Andrades

Authors
  1. Manuel Meruane
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  2. Maria Fernanda Ayala
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  3. María Angélica García-Huidobro
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  4. Patricio Andrades
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Correspondence to Patricio Andrades.

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Meruane, M., Ayala, M.F., García-Huidobro, M.A. et al. Reliability of Nasofacial Analysis Using Rhinobase ® Software. Aesth Plast Surg 40, 149–156 (2016). https://doi.org/10.1007/s00266-015-0569-6

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  • DOI: https://doi.org/10.1007/s00266-015-0569-6

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