Outcomes of temporalis muscle-based facial reanimation surgery: A systematic review and meta-analysis

ABSTRACT: Background: Despite the encouraging findings of temporalis muscle-based facial reanimation surgery without the need for nerve grafting, there is a need for comprehensive evaluation of the impact of temporalis-based facial reanimation surgery on key outcome measures. Methods: Comprehensive...

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Main Authors: Zhen Yu Wong, Frank W. de Jongh, Koen J.A.O. Ingels, Niels van Heerbeek, Sjaak Pouwels
Format: Article
Language:English
Published: Elsevier 2025-03-01
Series:JPRAS Open
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Online Access:http://www.sciencedirect.com/science/article/pii/S2352587824001669
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author Zhen Yu Wong
Frank W. de Jongh
Koen J.A.O. Ingels
Niels van Heerbeek
Sjaak Pouwels
author_facet Zhen Yu Wong
Frank W. de Jongh
Koen J.A.O. Ingels
Niels van Heerbeek
Sjaak Pouwels
author_sort Zhen Yu Wong
collection DOAJ
description ABSTRACT: Background: Despite the encouraging findings of temporalis muscle-based facial reanimation surgery without the need for nerve grafting, there is a need for comprehensive evaluation of the impact of temporalis-based facial reanimation surgery on key outcome measures. Methods: Comprehensive search in Medline and Embase databases were carried out up to 25 February 2023. The articles that examined facial reanimation surgery using the temporalis muscle were included in this study. Postoperative changes in smile excursion and the angle of the mouth while smiling were pooled using the DerSimonian and Laird random-effects model. Narrative synthesis was conducted for other outcomes including assessments of spontaneous smile, subjective evaluation of facial symmetry using validated rating tools, functional outcomes, aesthetic outcomes and patient-reported outcomes owing to heterogeneity in reporting of the outcomes. Results: Twenty-four studies were included in the analysis. Conflicting evidence was demonstrated regarding emotional smile outcomes and its definition. The pooled changes in smile excursion postsurgery were 7.06 mm (95% CI: 3.73-10.40, P < 0.001; I2 = 0%) and the angle of the mouth were 11.76° (95% CI: 8.80-14.71, P < 0.001; I2 = 0%). Significant improvement was reported across the validated rating scales of symmetry, functional outcomes, aesthetic outcomes and patient-reported outcomes whereas the superiority compared to other procedures remained inconclusive. Conclusion: Overall, temporalis-based facial reanimation surgery is a promising option for addressing the negative effects of facial nerve paralysis on the patients’ quality of life. This study highlights the uncertainty surrounding the technique and need for further studies.
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spelling doaj-art-21497f42d390470e87fc8ed1c04f4d7d2025-08-20T02:46:59ZengElsevierJPRAS Open2352-58782025-03-014310512110.1016/j.jpra.2024.10.015Outcomes of temporalis muscle-based facial reanimation surgery: A systematic review and meta-analysisZhen Yu Wong0Frank W. de Jongh1Koen J.A.O. Ingels2Niels van Heerbeek3Sjaak Pouwels4Department of General Surgery, Nottingham City Hospital, Nottingham, United KingdomDepartment of Otorhinolaryngology and Head &amp; Neck Surgery, Radboudumc, Nijmegen, The NetherlandsDepartment of Otorhinolaryngology and Head &amp; Neck Surgery, Radboudumc, Nijmegen, The NetherlandsDepartment of Otorhinolaryngology and Head &amp; Neck Surgery, Radboudumc, Nijmegen, The NetherlandsDepartment of Surgery, Marien Hospital Herne, University Hospital of Ruhr University Bochum, Herne, NRW, Germany; Department of Intensive Care Medicine, Elisabeth-Tweesteden Hospital Tilburg, The Netherlands; Corresponding author: Dr. Sjaak Pouwels, MD, PhD, Department of Surgery, Marien Hospital Herne, University Hospital of Ruhr University Bochum, Hölkeskampring 40, 44625, Herne, NRW, Germany.ABSTRACT: Background: Despite the encouraging findings of temporalis muscle-based facial reanimation surgery without the need for nerve grafting, there is a need for comprehensive evaluation of the impact of temporalis-based facial reanimation surgery on key outcome measures. Methods: Comprehensive search in Medline and Embase databases were carried out up to 25 February 2023. The articles that examined facial reanimation surgery using the temporalis muscle were included in this study. Postoperative changes in smile excursion and the angle of the mouth while smiling were pooled using the DerSimonian and Laird random-effects model. Narrative synthesis was conducted for other outcomes including assessments of spontaneous smile, subjective evaluation of facial symmetry using validated rating tools, functional outcomes, aesthetic outcomes and patient-reported outcomes owing to heterogeneity in reporting of the outcomes. Results: Twenty-four studies were included in the analysis. Conflicting evidence was demonstrated regarding emotional smile outcomes and its definition. The pooled changes in smile excursion postsurgery were 7.06 mm (95% CI: 3.73-10.40, P < 0.001; I2 = 0%) and the angle of the mouth were 11.76° (95% CI: 8.80-14.71, P < 0.001; I2 = 0%). Significant improvement was reported across the validated rating scales of symmetry, functional outcomes, aesthetic outcomes and patient-reported outcomes whereas the superiority compared to other procedures remained inconclusive. Conclusion: Overall, temporalis-based facial reanimation surgery is a promising option for addressing the negative effects of facial nerve paralysis on the patients’ quality of life. This study highlights the uncertainty surrounding the technique and need for further studies.http://www.sciencedirect.com/science/article/pii/S2352587824001669Labbé procedureFacial reanimation surgeryFacial palsyPlastic surgeryPeripheral facial palsy
spellingShingle Zhen Yu Wong
Frank W. de Jongh
Koen J.A.O. Ingels
Niels van Heerbeek
Sjaak Pouwels
Outcomes of temporalis muscle-based facial reanimation surgery: A systematic review and meta-analysis
JPRAS Open
Labbé procedure
Facial reanimation surgery
Facial palsy
Plastic surgery
Peripheral facial palsy
title Outcomes of temporalis muscle-based facial reanimation surgery: A systematic review and meta-analysis
title_full Outcomes of temporalis muscle-based facial reanimation surgery: A systematic review and meta-analysis
title_fullStr Outcomes of temporalis muscle-based facial reanimation surgery: A systematic review and meta-analysis
title_full_unstemmed Outcomes of temporalis muscle-based facial reanimation surgery: A systematic review and meta-analysis
title_short Outcomes of temporalis muscle-based facial reanimation surgery: A systematic review and meta-analysis
title_sort outcomes of temporalis muscle based facial reanimation surgery a systematic review and meta analysis
topic Labbé procedure
Facial reanimation surgery
Facial palsy
Plastic surgery
Peripheral facial palsy
url http://www.sciencedirect.com/science/article/pii/S2352587824001669
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AT nielsvanheerbeek outcomesoftemporalismusclebasedfacialreanimationsurgeryasystematicreviewandmetaanalysis
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