Facial Nerve Grading System 2.0

Author:

,Vrabec Jeffrey T.1,Backous Douglas D.2,Djalilian Hamid R.3,Gidley Paul W.4,Leonetti John P.5,Marzo Sam J.5,Morrison Daniel6,Ng Matthew7,Ramsey Mitchell J.8,Schaitkin Barry M.9,Smouha Eric10,Toh Elizabeth H.11,Wax Mark K.12,Williamson Robert A.1,Smith E.O.'Brian13

Affiliation:

1. Bobby R. Alford Department of Otolaryngology–Head and Neck Surgery, Baylor College of Medicine, Houston, TX

2. Virginia Mason Medical Center, Seattle, WA

3. Department of Otolaryngology–Head and Neck Surgery, University of California Irvine, Houston, TX

4. University of Texas MD Anderson Cancer Center, Houston, TX

5. Loyola Center for Cranial Base Surgery, Loyola University Medical Center, Maywood, IL

6. Department of Otolaryngology, Dartmouth Hitchcock Medical Center, Lebanon, NH

7. Department of Surgery, Division of Otolaryngology, University of Nevada School of Medicine, Las Vegas, NV

8. Division of Otolaryngology, Tripler Army Medical Center, Honolulu, HI

9. Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, PA

10. Department of Otolaryngology–Head and Neck Surgery, Mount Sinai Medical Center, New York, NY

11. Department of Otolaryngology, Lahey Clinic, Burlington, MA

12. Department of Otolaryngology–Head and Neck Surgery, Oregon Health and Sciences University, Portland, OR

13. Department of Pediatrics, Baylor College of Medicine, Houston, TX

Abstract

Objective: To present an updated version of the original Facial Nerve Grading Scale (FNGS), commonly referred to as the House-Brackmann scale. Study Design: Controlled trial of grading systems using a series of 21 videos of individuals with varying degrees of facial paralysis. Results: The intraobserver and interobserver agreement was high among the original and revised scales. Nominal improvement is seen in percentage of exact agreement of grade and reduction of instances of examiners differing by more then one grade when using FNGS 2.0. FNGS 2.0 also offers improved agreement in differentiating between grades 3 and 4. Conclusion: FNGS 2.0 incorporates regional scoring of facial movement, providing additional information while maintaining agreement comparable to the original scale. Ambiguities regarding use of the grading scale are addressed.

Publisher

SAGE Publications

Subject

Otorhinolaryngology,Surgery

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