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Three-Dimensional Evaluation of Static and Dynamic Effects of Botulinum Toxin A on Glabellar Frown Lines

  • Thomas Rappl
  • Paul Wurzer
  • Simone May
  • Alexandru Cristian Tuca
  • Janos Cambiaso-Daniel
  • Daryousch Parvizi
  • Lars-P. Kamolz
  • David B. Lumenta
Innovative Techniques Non-Surgical Aesthetic
  • 73 Downloads

Abstract

Background

The use of injectable solutions for aesthetic purposes has increased tremendously, but lacks objective support. We aimed at assessing static and dynamic effects of botulinum toxin A (BoNTA) on glabellar lines by use of an objective three-dimensional methodology.

Methods

We prospectively collected three-dimensional stereographic photographs of two different facial expressions (pretreatment, 30 and 90 days posttreatment) in 21 patients, receiving a total of 20 units of BoNTA in both corrugator supercilii muscles. The primary endpoint was the three-dimensional static and dynamic surface irregularity, and secondary endpoints were the glabellar line scale and overall patient satisfaction. Blinded retrospective data analysis and statistical evaluation were performed with p < 0.05 considered statistically significant.

Results

Static glabellar lines (neutral facial expression) were significantly reduced by − 17% and − 24% on day 30 and 90 posttreatment, respectively (vs. pretreatment; both p < 0.0001). Dynamic glabellar frown lines (firmest possible bilateral eye closure) demonstrated a reduction of surface irregularity by − 26% and − 21% on day 30 and 90 posttreatment, respectively (vs. pretreatment; both p < 0.0001). The subjective dynamic glabellar line scale documented a statistically significant improvement on day 30 posttreatment (mean ± SD: 1.5 ± 0.8; p < 0.05) versus pretreatment (2.8 ± 1.0). Polled patients confirmed a subjective wrinkle improvement 90 days posttreatment.

Conclusion

The presented setup detected even subtle changes of BoNTA treatment for facial wrinkling and is a promising asset for scientific evaluations of clinical studies analyzing the outcome and duration of efficacy of injectable solutions on the face.

Level of Evidence IV

This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.

Keywords

Rejuvenation Facial Botox Objective Three-dimensional 

Notes

Authors’ contributions

All authors made substantial contributions to the conception and design (DBL, TR, PW), data acquisition (DP, PW), analysis (DBL, ACT, PW), interpretation (ACT, DBL, SM, TR, PW, LPK), drafting of the manuscript and its revision for important intellectual content (all authors).

Funding

Dr. Thomas Rappl provided the botulinum toxin for the treatment of the glabellar lines.

Compliance with ethical standards

Conflict of interest

Dr. Thomas Rappl is a consultant and investigator to Merz Pharmaceuticals GmbH, Germany. All the other authors have no conflict of interest to declare.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature and International Society of Aesthetic Plastic Surgery 2018

Authors and Affiliations

  • Thomas Rappl
    • 1
  • Paul Wurzer
    • 1
    • 2
  • Simone May
    • 3
  • Alexandru Cristian Tuca
    • 1
  • Janos Cambiaso-Daniel
    • 1
  • Daryousch Parvizi
    • 1
  • Lars-P. Kamolz
    • 1
    • 2
  • David B. Lumenta
    • 1
  1. 1.Research Unit for Tissue Regeneration, Repair and Reconstruction, Division of Plastic, Aesthetic and Reconstructive Surgery, Department of SurgeryMedical University of GrazGrazAustria
  2. 2.COREMED – Cooperative Centre for Regenerative MedicineJOANNEUM RESEARCH Forschungsgesellschaft mbHGrazAustria
  3. 3.Medical University of GrazGrazAustria

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