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Tunneled Paranasal Augmentation Using Diced Autologous Costal Cartilage in Asian Rhinoplasty: A Comparative Study.

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Summary

Paranasal augmentation effectively addresses paranasal concavity and improves facial aesthetics in patients with low noses. This rhinoplasty technique using diced costal cartilage enhances patient satisfaction and alar base prominence.

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Area of Science:

  • Plastic Surgery
  • Facial Aesthetic Surgery
  • Rhinoplasty

Background:

  • Anterior maxilla dysplasia is common in Asian populations, often leading to paranasal concavity and low nose appearance.
  • The impact of paranasal concavity on overall facial harmonization is frequently underestimated.
  • Low nose with paranasal concavity affects facial aesthetics and patient self-perception.

Purpose of the Study:

  • To evaluate the efficacy of paranasal augmentation in correcting paranasal concavity.
  • To compare cosmetic outcomes and patient satisfaction between patients who underwent paranasal augmentation and those who did not.
  • To assess the safety and complications associated with paranasal augmentation using diced costal cartilage in rhinoplasty.

Main Methods:

  • A retrospective comparative study of 56 patients with low nose and paranasal concavity (June 2017-June 2021).
  • Quantitative evaluation using sagittal planimetry to measure columella base prominence (CBP) and alar base prominence (ABP).
  • Subjective evaluation included patient-reported satisfaction (FACE-Q modules) and physician assessment (Global Aesthetic Improvement Scale - GAIS).

Main Results:

  • Both groups showed significant improvements in CBP and ABP (p < 0.01).
  • The paranasal augmentation group demonstrated superior improvement in ABP (p < 0.01), FACE-Q-Facial scores (p < 0.05), and GAIS scores (p < 0.05) compared to the control group.
  • Complications included alar base asymmetry (6.9%) and foreign body sensation (34.5%).

Conclusions:

  • Paranasal augmentation using diced costal cartilage is a safe and effective method for correcting paranasal concavity.
  • The procedure significantly improves alar base prominence and overall facial appearance satisfaction.
  • While effective, potential complications such as asymmetry and foreign body sensation should be considered.