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Kollar B, Weiss JBW, Kiefer J, Eisenhardt SU. Functional Outcome of Dual Reinnervation with Cross-Facial Nerve Graft and Masseteric Nerve Transfer for Facial Paralysis. Plast Reconstr Surg 2024; 153:1178e-1190e. [PMID: 37384874 DOI: 10.1097/prs.0000000000010888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/01/2023]
Abstract
BACKGROUND The combination of cross-facial nerve graft (CFNG) and masseteric nerve transfer (MNT) for reinnervation of facial paralysis may provide advantages of both neural sources. However, quantitative functional outcome reports with a larger number of patients are lacking in the literature. Here, the authors describe their 8-year experience with this surgical technique. METHODS Twenty patients who presented with complete facial paralysis (duration, <12 months) received dual reinnervation with CFNG and MNT. The functional outcome of the procedure was evaluated with the physician-graded outcome metric eFACE scale. The objective artificial intelligence-driven software Emotrics and FaceReader were used for oral commissure measurements and emotional expression assessment, respectively. RESULTS The mean follow-up was 31.75 ± 23.32 months. In the eFACE score, the nasolabial fold depth and oral commissure at rest improved significantly ( P < 0.05) toward a more balanced state after surgery. Postoperatively, there was a significant decrease in oral commissure asymmetry while smiling (from 19.22 ± 6.1 mm to 12.19 ± 7.52 mm). For emotional expression, the median intensity score of happiness, as measured by the FaceReader software, increased significantly while smiling (0.28; interquartile range, 0.13 to 0.64). In five patients (25%), a secondary static midface suspension with fascia lata strip had to be performed because of unsatisfactory resting symmetry. Older patients and patients with greater preoperative resting asymmetry were more likely to receive static midface suspension. CONCLUSION The authors' results suggest that the combination of MNT and CFNG for reinnervation of facial paralysis provides good voluntary motion and may lessen the use of static midface suspension in the majority of patients. CLINICAL QUESTION/LEVEL OF EVIDENCE Therapeutic, IV.
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Affiliation(s)
- Branislav Kollar
- From the Department of Plastic and Hand Surgery, University of Freiburg Medical Center, Medical Faculty of the University of Freiburg
| | - Jakob B W Weiss
- From the Department of Plastic and Hand Surgery, University of Freiburg Medical Center, Medical Faculty of the University of Freiburg
| | - Jurij Kiefer
- From the Department of Plastic and Hand Surgery, University of Freiburg Medical Center, Medical Faculty of the University of Freiburg
| | - Steffen U Eisenhardt
- From the Department of Plastic and Hand Surgery, University of Freiburg Medical Center, Medical Faculty of the University of Freiburg
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Wen YE, Thachil RL, Madrazo AZ, Sanchez CV, Reisch JS, Rozen SM. Dual-Innervated Gracilis Free Functional Muscle Transfers in Facial Palsy Patients: Comparing Long-Term Outcomes between One- versus Two-Stage Procedures. J Reconstr Microsurg 2024. [PMID: 38224967 DOI: 10.1055/a-2245-9795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
BACKGROUND In facial reanimation, dual-innervated gracilis free functional muscle transfers (FFMTs) may have amalgamated increases in tone, excursion, synchroneity, and potentially spontaneity when compared with single innervation. The ideal staging of dual-innervated gracilis FFMTs has not been investigated. We aim to compare objective long-term outcomes following one- and two-stage dual-innervated gracilis FFMTs. METHODS Included were adult patients with facial paralysis who underwent either one- (one-stage group) or two-stage (two-stage group) dual-innervated gracilis FFMT with ≥1 year of postoperative follow-up. Facial measurements were obtained from standardized photographs of patients in repose, closed-mouth smile, and open-mouth smile taken preoperatively, 1 year postoperatively, and 3 years postoperatively. Symmetry was calculated from the absolute difference between the paralyzed and healthy hemiface; a lower value indicates greater symmetry. RESULTS Of 553 facial paralysis patients, 14 were included. Five and nine patients were in the one- and two-stage groups, with mean follow-up time, respectively, being 2.5 and 2.6 years. Within-group analysis of both groups, most paralyzed-side and symmetry measurements significantly improved over time with maintained significance at 3 years postoperatively in closed and open-mouth smile (all p ≤ 0.05). However, only the two-stage group had maintained significance in improvements at 3 years postoperatively in paralyzed-side and symmetry measurements in repose with commissure position (median change [interquartile range, IQR], 7.62 [6.00-10.56] mm), commissure angle (median change [IQR], 8.92 [6.18-13.69] degrees), commissure position symmetry (median change [IQR], -5.18 [-10.48 to -1.80] mm), commissure angle symmetry (median change [IQR], -9.78 [-11.73 to -7.32] degrees), and commissure height deviation (median change [IQR], -5.70 [-7.19 to -1.64] mm; all p ≤ 0.05). In the between-group analysis, all measurements were comparable in repose, closed-mouth smile, and open-mouth smile (all p > 0.05). CONCLUSION Long-term outcomes demonstrate that both one- and two-stage dual-innervated gracilis FFMTs significantly improve excursion, but only two-stage reconstruction significantly improves resting tone.
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Affiliation(s)
- Y Edward Wen
- Department of Plastic Surgery, The University of Texas Southwestern Medical Center, Dallas, Texas
| | - Roshni L Thachil
- Department of Plastic Surgery, The University of Texas Southwestern Medical Center, Dallas, Texas
| | - Adolfo Zamaro Madrazo
- Department of Plastic Surgery, The University of Texas Southwestern Medical Center, Dallas, Texas
| | - Cristina V Sanchez
- Department of Plastic Surgery, The University of Texas Southwestern Medical Center, Dallas, Texas
| | - Joan S Reisch
- Department of Population and Data Sciences, The University of Texas Southwestern Medical Center, Dallas, Texas
| | - Shai M Rozen
- Department of Plastic Surgery, The University of Texas Southwestern Medical Center, Dallas, Texas
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Mohanty AJ, DeVahl J, Kutz WJ, Rozen SM. Neurofibromatosis Type II and Facial Paralysis: Clinical Evaluation and Management. Plast Reconstr Surg 2024; 153:415e-423e. [PMID: 37075282 DOI: 10.1097/prs.0000000000010561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/21/2023]
Abstract
BACKGROUND Facial paralysis secondary to neurofibromatosis type 2 (NF2) presents the reconstructive surgeon with unique challenges because of its pathognomonic feature of bilateral acoustic neuromas, involvement of multiple cranial nerves, use of antineoplastic agents, and management. Facial reanimation literature on managing this patient population is scant. METHODS A comprehensive literature review was performed. All patients with NF2-related facial paralysis who presented in the past 13 years were reviewed retrospectively for type and degree of paralysis, NF2 sequelae, number of cranial nerves involved, interventional modalities, and surgical notes. RESULTS Twelve patients with NF2-related facial paralysis were identified. All patients presented after resection of vestibular schwannoma. Mean duration of weakness before surgical intervention was 8 months. On presentation, one patient had bilateral facial weakness, 11 had multiple cranial nerve involvement, and seven were treated with antineoplastic agents. Two patients underwent gracilis free functional muscle transfer, five underwent masseteric-to-facial nerve transfer (of whom two were dually innervated with a crossfacial nerve graft), and one patient underwent depressor anguli oris myectomy. Trigeminal schwannomas did not affect reconstructive outcomes if trigeminal nerve motor function on clinical examination was normal. In addition, antineoplastic agents such as bevacizumab and temsirolimus did not affect outcomes if stopped in the perioperative period. CONCLUSIONS Effectively managing patients with NF2-related facial paralysis necessitates understanding the progressive and systemic nature of the disease, bilateral facial nerve and multiple cranial nerve involvement, and common antineoplastic treatments. Neither antineoplastic agents nor trigeminal nerve schwannomas associated with normal examination affected outcomes. CLINICAL QUESTION/LEVEL OF EVIDENCE Therapeutic, V.
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Affiliation(s)
| | | | - Walter J Kutz
- Otolaryngology and Head and Neck Surgery, University of Texas Southwestern Medical Center
| | - Shai M Rozen
- From the Departments of Plastic and Reconstructive Surgery
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Liang H, Yang Z, Ma N, Wang W, Li Y. Comparison of Outcomes of Facial Reanimation Between the Use of Cross-facial Nerve Graft and the Masseteric Nerve as the Donor Nerve for Reinnervation of Gracilis Muscle Flap Transfer. J Craniofac Surg 2024; 35:172-176. [PMID: 38294299 DOI: 10.1097/scs.0000000000009775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 08/20/2023] [Indexed: 02/01/2024] Open
Abstract
BACKGROUND In patients with facial paralysis, the free functional gracilis muscle transfer is preferred for facial reanimation. The choice of an adequate motor nerve to innervate the transplanted gracilis muscle is one of the procedure's key components. We present a comparative study between cross-facial nerve graft (CFNG) and masseteric nerve as donor nerves for reinnervated gracilis flap transfer in patients with complete facial paralysis. MATERLALS AND METHODS Retrospective analysis was performed on all patients with complete facial paralysis who had a free functional gracilis muscle transfer for facial reanimation between January 2014 and December 2021. Only those who received gracilis transfer reinnervated by either CFNG or masseteric nerve were included in this study. The smile excursion and lip angle were measured for evaluating the outcomes postoperatively. RESULTS The inclusion criteria were met by a total of 21 free functional gracilis muscle transfers, of which 11 were innervated by CFNG and 10 by the masseteric nerve. Both surgical procedures resulted in a highly considerable smile excursion of the reanimated side and postoperative improvement of static or dynamic lip angle. Masseteric nerve coaptation led to greater smile excursion and more significant improvement of dynamic lip angle than CFNG. CONCLUSIONS For patients who have complete facial paralysis, face reanimation can be successfully accomplished by free gracilis transfer reinnervated by the CFNG or the masseteric nerve. In particular, the masseteric nerve is a reliable choice for dynamic smile reanimation.
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Affiliation(s)
- Hongyu Liang
- Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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Hohman MH, Krivda JS, Herr MW, Anderson KG, Bevans SE, Montgomery EA, Robitschek JM, Vincent AG. Composite Sterno-Omohyoid Functional Muscle Transfer for Dual-Vector Smile Reanimation: A Case Series. Facial Plast Surg Aesthet Med 2023. [PMID: 37948552 DOI: 10.1089/fpsam.2023.0067] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023] Open
Abstract
Background: Facial reanimation flaps often add bulk and produce single-vector smiles, and multivector flaps frequently require challenging intramuscular dissection. Objective: To evaluate the effectiveness of sterno-omohyoid flap (SOHF) transfer for dual-vector smile reanimation by measuring upper dental show and oral commissure movement. Methods: SOHF transfers from 2017 to 2020 were retrospectively evaluated using eFACE and Emotrics software. Results: Four patients with flaccid and one with nonflaccid facial paralysis were identified (four females and one male, median age: 39 years (range: 38-65); two acoustic neuromas, two congenital, one temporal bone fracture). Median follow-up was 20 months (range: 14-26). All flaps received masseteric nerves and two had additional cross-face grafts. Four developed contraction [median time to contraction: 5.5 months (range: 3-10)]. Mean oral commissure excursion and dental exposure improvements were 7.6 ± 4.0 mm (p = 0.03) and 2.9 ± 1.8 mm (p = 0.05), respectively. Dynamic, smile, and midface-smile eFACE improvements were 20.3 ± 6.8 (p = 0.007), 25.5 ± 14.5 (p = 0.03), and 50.5 ± 12.0 mm (p = 0.004) points, respectively. Mean SOHF mass was 14 ± 1.7 g. Conclusion: The SOHF is a small flap that provides dual-vector smile reanimation in flaccid and nonflaccid facial paralysis.
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Affiliation(s)
- Marc H Hohman
- Otolaryngology-Head & Neck Surgery, Madigan Army Medical Center, Tacoma, Washington, USA
| | - Joseph S Krivda
- Otolaryngology-Head & Neck Surgery, Madigan Army Medical Center, Tacoma, Washington, USA
| | - Marc W Herr
- Otolaryngology-Head & Neck Surgery, Madigan Army Medical Center, Tacoma, Washington, USA
| | - Kelly G Anderson
- Otolaryngology-Head & Neck Surgery, Tripler Army Medical Center, Honolulu, Hawaii, USA
| | - Scott E Bevans
- Otolaryngology-Head & Neck Surgery, Tripler Army Medical Center, Honolulu, Hawaii, USA
| | - Emily A Montgomery
- Otolaryngology-Head & Neck Surgery, Walter Reed National Military Medical Center, Bethesda, Maryland, USA
| | - Jon M Robitschek
- Otolaryngology-Head & Neck Surgery, Brooke Army Medical Center, Fort Sam Houston, Texas, USA
| | - Aurora G Vincent
- Otolaryngology-Head & Neck Surgery, Eisenhower Army Medical Center, Augusta, Georgia, USA
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Lee KT, Lee SH, Mun GH. Comparison of Outcomes of Smile Reanimation Between Dual- Versus Single-Innervation Technique in Single-Stage Latissimus Dorsi Neuromuscular Transfer in Facial Paralysis Patients. Facial Plast Surg Aesthet Med 2023; 25:505-511. [PMID: 36749167 DOI: 10.1089/fpsam.2022.0128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Background: Although a dual-innervation technique has emerged in single-stage functional latissimus dorsi (LD) muscle transfer for smile reanimation, its benefits over conventional techniques have not been elucidated. Objective: To compare outcomes of dual-innervation technique with those of single-innervation. Methods: Patients with facial palsy treated with single-stage functional LD muscle transfer were identified, and categorized into two groups: single and dual innervation. Outcomes were assessed using clinical examination based on the Terzis grading system and using automated software (Emotrics). Results: Fifty-nine patients (mean age 37.6 years; male/female 30/29) were analyzed, including 40 in single (35.1 years, 23/17) and 19 in dual-innervation group (43.0 years, 7/12), with a median follow-up of 34 months (range, 9-165) (single: 41.5, 12-165, dual: 23.0, 9-41). Tumor-related paralysis was the most common etiology in both groups (overall: 45.8%, single: 40.0%, dual: 57.9%). The dual group had a significantly higher rate of cases with Terzis grade IV or V postoperatively. In the Emotrics-based evaluation, the dual group exhibited significantly enhanced improvements in smile excursion in the dynamic state compared with the single. The degree of improvement in the resting state did not differ between groups. Conclusion: The dual-innervation technique might provide promising results in achieving enhanced smile excursion.
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Affiliation(s)
- Kyeong-Tae Lee
- Department of Plastic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sang-Hun Lee
- Department of Plastic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Goo-Hyun Mun
- Department of Plastic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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7
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Shoman N. Nerve guide conduits, nerve transfers, and local and free muscle transfer in facial nerve palsy. Curr Opin Otolaryngol Head Neck Surg 2023; 31:306-312. [PMID: 37581264 DOI: 10.1097/moo.0000000000000914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/16/2023]
Abstract
PURPOSE OF REVIEW To highlight the recent literature on reinnervation options in the management of facial nerve paralysis using nerve conduits, and nerve and muscle transfers. RECENT FINDINGS Engineering of natural and synthetic nerve conduits has progressed and many of these products are now available on the market. The use of the masseter nerve has become more popular recently as a choice in nerve transfer procedures due to various unique advantages. Various authors have recently described mimetic muscle reinnervation using more than one nerve transfer, as well as dual and triple innervation of free muscle transfer. SUMMARY The ideal nerve conduit continues to be elusive, however significant progress has been made with many natural and synthetic materials and designs tested and introduced on the market. Many authors have modified the classic approaches in motor nerve transfer, as well as local and free muscle transfer, and described new ones, that aim to combine their advantages, particularly the simplification to a single stage and use of multiple reinnervation to the mimetic muscles. These advances are valuable to the reconstructive surgeon as powerful tools that can be tailored to the unique challenges of patients with facial nerve palsy looking for dynamic reanimation options.
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Affiliation(s)
- Nael Shoman
- Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
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8
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Gurbuz C, Dursun B, Alagöz MŞ. Letter to "The Split Hypoglossal Nerve and Cross-Face Nerve Graft for Dual Innervation of the Functional Muscle Transfer in Facial Reanimation". J Craniofac Surg 2023; 34:2234. [PMID: 37220661 DOI: 10.1097/scs.0000000000009431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 04/10/2023] [Indexed: 05/25/2023] Open
Affiliation(s)
- Canberk Gurbuz
- Plastic Reconstructive and Asthetic Surgery Derpartment, Kocaeli University
| | - Buket Dursun
- Plastic Reconstructive and Asthetic Surgery Derpartment, Bilecik Research and Training Hospital
| | - Murat Şahin Alagöz
- Plastic Reconstructive and Asthetic Surgery Derpartment, Kocaeli University
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9
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Bikey D, Agur AMR, Fattah AY. Extra- and intramuscular innervation of the masseter: Implications for facial reanimation. J Plast Reconstr Aesthet Surg 2023; 85:508-514. [PMID: 37633253 DOI: 10.1016/j.bjps.2023.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 06/26/2023] [Accepted: 07/02/2023] [Indexed: 08/28/2023]
Abstract
PURPOSE Irreversible facial paralysis results in significant functional impairment. The motor nerve to the masseter is a reconstructive option, but despite its clinical importance, there are few parametric anatomic studies of the masseteric nerve. The purpose of this study was to investigate the extra- and intramuscular innervation of the masseter in 3D to determine the relationship of the nerve to the muscle heads and identify landmarks to aid identification. MATERIALS AND METHODS The nerve was dissected throughout its entire course in eight formalin-embalmed cadaveric specimens (mean age 84.9 ± 12.2 years). The nerve was digitized at 1-2 mm intervals using a MicroScribe™ digitizer and modeled in 3D in Autodesk® Maya®. RESULTS Two or three extramuscular nerves were found to enter the deep head (DH) of the masseter: one main "primary" nerve (n = 8) and one (n = 4) or two (n = 4) smaller primary nerve(s). The main primary nerve supplied both the deep and superficial heads, whereas the smaller primary nerve(s) only supplied the DH. Surgical landmarks for masseter nerve localization were quantified. CONCLUSIONS Comprehensive mapping of the innervation of the masseter muscle throughout its volume revealed neural partitioning that could provide a basis for safety planning for muscle flaps and donor nerve identification and explain why masseter functional loss is not incurred by donor nerve sacrifice. Quantified landmarks correlate to previous studies and support the constant anatomy of this nerve. Our results provide a basis to optimize surgical approaches for donor nerve and muscle flap surgery.
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Affiliation(s)
- Daryn Bikey
- Oral and Maxillofacial Surgeon in Private Practice, Victoria, BC; Division of Anatomy, Department of Surgery, University of Toronto, Medical Sciences Building, 1 King's College Circle, Toronto, ON M5S 1A8, Canada
| | - Anne M R Agur
- Division of Anatomy, Department of Surgery, University of Toronto, Medical Sciences Building, 1 King's College Circle, Toronto, ON M5S 1A8, Canada
| | - Adel Y Fattah
- Regional Paediatric Burns and Plastic Surgery Service, Alder Hey Children's NHS Foundation Trust, Eaton Road, Liverpool L12 2AP, UK.
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Woo SH, Kim YC, Kim J, Kwon S, Oh TS. Artificial intelligence-based numerical analysis of the quality of facial reanimation: A comparative retrospective cohort study between one-stage dual innervation and single innervation. J Craniomaxillofac Surg 2023:S1010-5182(23)00095-1. [PMID: 37353406 DOI: 10.1016/j.jcms.2023.05.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 04/26/2023] [Accepted: 05/23/2023] [Indexed: 06/25/2023] Open
Abstract
This study aimed to investigate the difference in facial reanimation surgery using functional gracilis muscle transfer between the masseteric nerve alone and its combined use with cross face nerve graft (CFNG), which has not been explored before. A novel analysis method based on artificial intelligence (AI) was employed to compare the outcomes of the two approaches. Using AI, 3-dimensional facial landmarks were extracted from 2-dimensional photographs, and distance and angular symmetry scores were calculated. The patients were divided into two groups, with Group 1 undergoing one-stage CFNG and masseteric nerve dual innervation, and Group 2 receiving only masseteric nerve. The symmetry scores were obtained before and 1 year after surgery to assess the degree of change. Of the 35 patients, Group 1 included 13 patients, and Group 2 included 22 patients. The analysis revealed that, in the resting state, the change in the symmetry score of the mouth corner showed distance symmetry (2.55 ± 2.94, 0.52 ± 2.75 for Group 1 and Group 2, respectively, p = 0.048) and angle symmetry (1.21 ± 1.43, 0.02 ± 0.22 for Group 1 and Group 2, respectively, p = 0.001), which were significantly improved in Group 1, indicating a more symmetric pattern after surgery. In the smile state, only the angle symmetry was improved more symmetrically in Group 1 (3.20 ± 2.38, 1.49 ± 2.22 for Group 1 and Group 2, respectively, p = 0.041). Within the limitations of the study it seems that this new analysis method enabled a more accurate numerical symmetry score to be obtained, and while the degree of mouth corner excursion was sufficient with only the masseteric nerve, accompanying CFNG led to further improvement in symmetry in the resting state.
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Affiliation(s)
- Soo Hyun Woo
- Department of Plastic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, South Korea
| | - Young Chul Kim
- Department of Plastic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Junsik Kim
- Department of Electronic Engineering, Kwangwoon University, Seoul, South Korea
| | - Soonchul Kwon
- Graduate School of Smart Convergence, Kwangwoon University, Seoul, South Korea
| | - Tae Suk Oh
- Department of Plastic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.
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Lu GN, Flynn J. Facial Nerve Reconstruction. Otolaryngol Clin North Am 2023:S0030-6665(23)00050-6. [PMID: 37217366 DOI: 10.1016/j.otc.2023.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Facial palsy causes profound facial disfigurement in addition to compromise of eye closure, speech articulation, oral competence, and emotive expression. Facial reanimation is paramount to reduce functional sequelae and improve patient quality of life. This article discusses facial nerve reconstruction focusing on the setting of head and neck reconstruction.
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Affiliation(s)
- Guanning Nina Lu
- University of Washington, 325 9th Avenue 4 West, Seattle, WA 98104, USA.
| | - John Flynn
- University of Kansas Medical Center, 4000 Cambridge Street, Kansas City, KS 66103, USA
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Snyder V, Frost AS, Ciolek PJ. Advances in Facial Reanimation. Otolaryngol Clin North Am 2023; 56:599-609. [PMID: 37003859 DOI: 10.1016/j.otc.2023.02.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
Facial nerve paralysis is a debilitating clinical entity that presents as a complete or incomplete loss of facial nerve function. The etiology of facial nerve palsy and sequelae varies tremendously. The most common cause of facial paralysis is Bell's palsy, followed by malignant or benign tumors, iatrogenic insults, trauma, virus-associated paralysis, and congenital etiologies.
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Affiliation(s)
- Vusala Snyder
- Department of Otolaryngology, University of Pittsburgh, 203 Lothrop Street Suite 500, Pittsburgh, PA 15213, USA.
| | - Ariel S Frost
- Facial Plastic and Reconstructive Surgery, Head and Neck Institute, Cleveland Clinic, 9500 Euclid Avenue A71, Cleveland, OH 44195, USA
| | - Peter J Ciolek
- Facial Plastic and Reconstructive Surgery, Head and Neck Institute, Cleveland Clinic, 9500 Euclid Avenue A71, Cleveland, OH 44195, USA
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Lee ZH, Chang EI, Hanasono MM. Management of the Facial Nerve in the Oncologic Setting. CURRENT SURGERY REPORTS 2023. [DOI: 10.1007/s40137-023-00354-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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Pan DR, Clark NW, Chiang H, Kahmke RR, Phillips BT, Barrett DM. The evolution of facial reanimation techniques. Am J Otolaryngol 2023; 44:103822. [PMID: 36934594 DOI: 10.1016/j.amjoto.2023.103822] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 02/19/2023] [Indexed: 03/05/2023]
Abstract
This review article provides an updated discussion on evidence-based practices related to the evaluation and management of facial paralysis. Ultimately, the goals of facial reanimation include obtaining facial symmetry at rest, providing corneal protection, restoring smile symmetry and facial movement for functional and aesthetic purposes. The treatment of facial nerve injury is highly individualized, especially given the wide heterogeneity regarding the degree of initial neuronal insult and eventual functional outcome. Recent advancements in facial reanimation techniques have better equipped clinicians to approach challenging patient scenarios with reliable, effective strategies. We discuss how technology such as machine learning software has revolutionized pre- and post-intervention assessments and provide an overview of current controversies including timing of intervention, choice of donor nerve, and management of nonflaccid facial palsy with synkinesis. We highlight novel considerations to mainstay conservative management strategies and examine innovations in modern surgical techniques with a focus on gracilis free muscle transfer. Innervation sources, procedural staging, coaptation patterns, and multi-vector and multi-muscle paddle design are modifications that have significantly evolved over the past decade.
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Affiliation(s)
- Debbie R Pan
- Department of Head and Neck Surgery & Communication Sciences, Duke University, Durham, NC, United States of America
| | - Nicholas W Clark
- Department of Head and Neck Surgery & Communication Sciences, Duke University, Durham, NC, United States of America
| | - Harry Chiang
- Department of Head and Neck Surgery & Communication Sciences, Duke University, Durham, NC, United States of America
| | - Russel R Kahmke
- Department of Head and Neck Surgery & Communication Sciences, Duke University, Durham, NC, United States of America
| | - Brett T Phillips
- Division of Plastic, Maxillofacial, and Oral Surgery, Department of Surgery, Duke University, Durham, NC, United States of America
| | - Dane M Barrett
- Department of Head and Neck Surgery & Communication Sciences, Duke University, Durham, NC, United States of America.
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15
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Cross face Nerve Transfer Guided by a Number 12 Urological Catheter. J Maxillofac Oral Surg 2022. [DOI: 10.1007/s12663-022-01830-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
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Abstract
BACKGROUND Facial palsy may have deleterious effects for pediatric patients. The most common reconstruction is 2-stage free gracilis muscle transfer (FGMT) after cross-face nerve graft (CFNG). This requires a prolonged period from time of surgery to smile. New techniques using both a CFNG and motor nerve to masseter (MNM) as dual power sources in a single-stage surgery have been described in adults. Here, we examine our experience with this technique in children. METHODS A retrospective study was performed examining patients who underwent dual-innervated single-stage FGMT at 2 pediatric hospitals from 2016 to 2019. Demographics, etiology, perioperative characteristics, time to mandibular and emotional smile, and Sunnybrook scores were recorded. RESULTS Five patients met inclusion criteria with a mean age of 11.8 (range, 8-20). Two patients had congenital facial palsy while 3 had acquired facial palsy. Four patients (80%) received dual end-to-end neural coaptations of the CFNG and MNM to the obturator nerve. One (20%) had end-to-side coaptation of the CFNG to the obturator nerve and end-to-end of the MNM to the obturator nerve. The average time to mandibular smile was 103 ± 15.4 days. The average time to emotional smile was 245 ± 48.1 days. The preoperative Sunnybrook scale was 32 ± 7.5 and improved to 55.3 ± 20.6 at 8 months postoperatively. CONCLUSIONS Dual-innervated FGMT is effective for facial reanimation in children with unilateral facial palsy. Patients can harness a stronger motor source (MNM) and the component of an emotional stimulus (CFNG). This approach may be the new criterion standard pediatric facial reanimation.
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17
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A comprehensive anatomical classification system of the extramuscular innervation of the gracilis muscle as guidance for free functional muscle transfer. Ann Anat 2022; 245:152021. [DOI: 10.1016/j.aanat.2022.152021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/02/2022] [Accepted: 10/11/2022] [Indexed: 11/06/2022]
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18
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Seminal Studies in Facial Reanimation Surgery: Consensus and Controversies in the Top 50 Most Cited Articles. J Craniofac Surg 2021; 33:1507-1513. [PMID: 34930875 DOI: 10.1097/scs.0000000000008436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 11/25/2021] [Indexed: 11/25/2022] Open
Abstract
ABSTRACT Facial paralysis can impair one's ability to form facial expressions that are congruent with internal emotion. This hinders communication and the cognitive processing of emotional experience. Facial reanimation surgery, which aims to restore full facial expressivity is a relatively recent undertaking which is still evolving. Due in large part to published techniques, refinements, and clinical outcomes in the scientific literature, consensus on best practice is gradually emerging, whereas controversies still exist.Taking stock of how the discipline reached its current state can help delineate areas of agreement and debate, and more clearly reveal a path forward. To do this, the authors have analyzed the 50 seminal publications pertaining to facial reanimation surgery. In longstanding cases, the free gracilis transfer emerges as a clear muscle of choice but the nerve selection remains controversial with prevailing philosophies advocating cross facial nerve grafts (with or without the support of an ipsilateral motor donor) or an ipsilateral motor donor only, of which the hypoglossal and nerve to masseter predominate. The alternative orthodoxy has refined the approach popularized by Gillies in 1934 and does not require the deployment of microsurgical principles. Although this citation analysis does not tell the whole story, surgeons with an interest in facial reanimation will find that this is a good place to start.
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19
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Lu GN, Byrne PJ. Temporalis Tendon Transfer Versus Gracilis Free Muscle Transfer: When and Why? Facial Plast Surg Clin North Am 2021; 29:383-388. [PMID: 34217440 DOI: 10.1016/j.fsc.2021.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Temporalis tendon transfer (T3) and gracilis free muscle transfer (GFMT) are popular techniques in lower facial rehabilitation when reinnervation techniques are unavailable. T3 involves a single-stage outpatient procedure resulting in immediate improvement in resting symmetry and a volitional smile. GFMT allows a spontaneous smile, customized vectors, and increased excursion but requires longer surgical time, a delay before movement, and specialized equipment. Ultimately, shared decision making between the clinician and patient should focus on the patient's goals and unique medical condition.
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Affiliation(s)
- G Nina Lu
- Department of Otolaryngology, Division of Facial Plastic and Reconstructive Surgery, University of Washington, 325 9th Avenue, 4 West Clinic, Seattle, WA 98104, USA.
| | - Patrick J Byrne
- Head and Neck Institute, Cleveland Clinic Foundation, 9500 Euclid Avenue A71, Cleveland, OH 44106, USA
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20
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Miller MQ, Hadlock TA. Lessons from Gracilis Free Tissue Transfer for Facial Paralysis: Now versus 10 Years Ago. Facial Plast Surg Clin North Am 2021; 29:415-422. [PMID: 34217444 DOI: 10.1016/j.fsc.2021.03.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Outcomes following free gracilis muscle transfer have steadily improved during the past decade. Areas for continued improvement include re-creating natural smile vectors, improving midface symmetry, minimizing scarring, improving spontaneity, and increasing reliability using various neural sources. Outcome standardization, pooled data collection, and remote data acquisition methods will facilitate comparative effectiveness research and continued surgical advancements.
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Affiliation(s)
- Matthew Q Miller
- Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology, Massachusetts Eye and Ear Infirmary, Harvard Medical School, 243 Charles Street, Boston, MA, USA.
| | - Tessa A Hadlock
- Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology, Massachusetts Eye and Ear Infirmary, Harvard Medical School, 243 Charles Street, Boston, MA, USA
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21
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Klebuc MJ, Xue AS, Doval AF. Dual Innervation of Free Functional Muscle Flaps in Facial Paralysis. Facial Plast Surg Clin North Am 2021; 29:431-438. [PMID: 34217446 DOI: 10.1016/j.fsc.2021.03.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Dual innervation in free muscle flap facial reanimation has been used to create a functional synergy between the powerful commissure excursion that can be achieved with the masseter nerve and the spontaneity that can be derived from a cross-face nerve graft. The gracilis has been the most frequently used muscle flap, and multiple combinations of neurorrhaphies have been described, including the masseter to the obturator (end-to-end) combined with a cross-face nerve graft to the obturator (end-to-side) and vice versa. Single and staged approaches have been reported. Minimally, dual innervation is as effective as using the motor nerve to masseter alone.
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Affiliation(s)
- Michael J Klebuc
- Institute for Reconstructive Surgery, Houston Methodist Hospital, 6560 Fannin Street, Suite #2200, Houston, TX 77030, USA; Weill Cornell School of Medicine, 1300 York Avenue, New York, NY 10065, USA.
| | - Amy S Xue
- Institute for Reconstructive Surgery, Houston Methodist Hospital, 6560 Fannin Street, Suite #2200, Houston, TX 77030, USA
| | - Andres F Doval
- Institute for Reconstructive Surgery, Houston Methodist Hospital, 6560 Fannin Street, Suite #2200, Houston, TX 77030, USA
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22
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Daeschler SC, Zuker R, Borschel GH. Strategies to Improve Cross-Face Nerve Grafting in Facial Paralysis. Facial Plast Surg Clin North Am 2021; 29:423-430. [PMID: 34217445 DOI: 10.1016/j.fsc.2021.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Cross-face nerve grafting enables the reanimation of the contralateral hemiface in unilateral facial palsy and may recover a spontaneous smile. This chapter discusses various clinically applicable strategies to increase the chances for good functional outcomes by maintaining the viability of the neural pathway and target muscle, increasing the number of reinnervating nerve fibers and selecting functionally compatible donor nerve branches. Adopting those strategies may help to further improve patient outcomes in facial reanimation surgery.
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Affiliation(s)
- Simeon C Daeschler
- Neuroscience and Mental Health Program, Hospital for Sick Children (SickKids), Toronto, Ontario, Canada
| | - Ronald Zuker
- Division of Plastic and Reconstructive Surgery, Hospital for Sick Children (SickKids), University of Toronto, Toronto, Ontario, Canada
| | - Gregory H Borschel
- Division of Plastic and Reconstructive Surgery, Hospital for Sick Children (SickKids), University of Toronto, Toronto, Ontario, Canada.
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