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Laxague F, Sahovaler A, Fnais N, Tran C, Wehrli B, Matic D, Nichols A, Mendez A, Gill R, Yoo J. The Ansa Hypoglossi: Quantifying Axonal Density of a Donor Nerve for Facial Reinnervation. Facial Plast Surg Aesthet Med 2024; 26:47-51. [PMID: 37192498 DOI: 10.1089/fpsam.2022.0405] [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: 05/18/2023] Open
Abstract
Background: There are a number of nerve grafting options for facial reanimation and the ansa hypoglossi (AH) may be considered in select situations. Objective: To compare axonal density, area, and diameter of AH with other nerves more usually used for facial reanimation. Methods: AH specimens from patients undergoing neck dissections were submitted in formalin. Proximal to distal cross sections, nerve diameters, and the number of axons per nerve, proximally and distally, were measured and counted. Results: Eighteen nerve specimens were analyzed. The average manual axon count for the distal and proximal nerve sections was 1378 ± 333 and 1506 ± 306, respectively. The average QuPath counts for the proximal and distal nerve sections were 1381 ± 325 and 1470 ± 334, respectively. The mean nerve area of the proximal and distal nerve sections was 0.206 ± 0.01 and 0.22 ± 0.064 mm2, respectively. The mean nerve diameter for the proximal and distal nerve sections were 0.498 ± 0.121 and 0.526 ± 0.75 mm, respectively. Conclusion: The histological characteristics of the AH support clinical examination of outcomes as a promising option in facial reanimation.
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Affiliation(s)
- Francisco Laxague
- Department of Otolaryngology-Head and Neck Surgery, London Health Sciences Centre, Schulich School of Medicine & Dentistry, Western University, London, Canada
- Department of Head and Neck Surgery, Hospital Aleman of Buenos Aires, Buenos Aires, Argentina
| | - Axel Sahovaler
- Department of Otolaryngology-Head and Neck Surgery, London Health Sciences Centre, Schulich School of Medicine & Dentistry, Western University, London, Canada
- Department of Head and Neck Surgery, University College London Hospitals, London, United Kingdom
| | - Naif Fnais
- Department of Otolaryngology-Head and Neck Surgery, London Health Sciences Centre, Schulich School of Medicine & Dentistry, Western University, London, Canada
- Department of Otolaryngology-Head and Neck Surgery, King Saud University, Riyadh, Saudi Arabia
| | - Christopher Tran
- Department of Pathology, Schulich School of Medicine & Dentistry, Western University, London, Canada
| | - Bret Wehrli
- Department of Pathology, Schulich School of Medicine & Dentistry, Western University, London, Canada
| | - Damir Matic
- Department of Otolaryngology-Head and Neck Surgery, London Health Sciences Centre, Schulich School of Medicine & Dentistry, Western University, London, Canada
| | - Anthony Nichols
- Department of Otolaryngology-Head and Neck Surgery, London Health Sciences Centre, Schulich School of Medicine & Dentistry, Western University, London, Canada
| | - Adrian Mendez
- Department of Otolaryngology-Head and Neck Surgery, London Health Sciences Centre, Schulich School of Medicine & Dentistry, Western University, London, Canada
| | - Rabia Gill
- Department of Otolaryngology-Head and Neck Surgery, London Health Sciences Centre, Schulich School of Medicine & Dentistry, Western University, London, Canada
| | - John Yoo
- Department of Otolaryngology-Head and Neck Surgery, London Health Sciences Centre, Schulich School of Medicine & Dentistry, Western University, London, Canada
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Pham TB, Greene JJ. Reducing Risk in Facial Reanimation Surgery. Facial Plast Surg Clin North Am 2023; 31:297-305. [PMID: 37001932 DOI: 10.1016/j.fsc.2023.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2023]
Abstract
Facial reanimation surgery can greatly improve quality of life, but these procedures are not without risk. Important considerations for risk reduction in facial reanimation surgery include preoperative risk-stratification, protecting patients' clinical media, clearly and thoroughly setting expectations, and intraoperative strategies to maximize technical success and minimize operative time.
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Affiliation(s)
- Tammy B Pham
- Department of Otolaryngology-Head and Neck Surgery, University of California San Diego Health, 9350 Campus Point Drive, La Jolla, CA 92037, USA
| | - Jacqueline J Greene
- Department of Otolaryngology-Head and Neck Surgery, University of California San Diego Health, 9350 Campus Point Drive, La Jolla, CA 92037, USA.
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Vejbrink Kildal V, Tee R, Reissig L, Weninger WJ, Tzou CHJ, Rodriguez-Lorenzo A. Selective ansa cervicalis nerve transfer to the marginal mandibular nerve for lower lip reanimation: An anatomical study in cadavers and a case report. Microsurgery 2023; 43:142-150. [PMID: 36511397 PMCID: PMC10108162 DOI: 10.1002/micr.30992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 10/24/2022] [Accepted: 11/30/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Donor nerve options for lower lip reanimation are limited in patients undergoing oncological resection of the facial nerve. The ansa cervicalis nerve (ACN) is an advantageously situated donor with great potential but has not been examined in detail. In the current study, the anatomical technical feasibility of selective ACN to marginal mandibular nerve (MMN) transfer for restoration of lower lip tone and symmetry was explored. A clinical case is presented. METHODS Dissections were conducted in 21 hemifaces in non-embalmed human cadavers. The maximal harvestable length of ACN was measured and transfer to MMN was simulated. A 28-year-old male underwent ACN-MMN transfer after parotidectomy (carcinoma) and was evaluated 12 months post-operatively (modified Terzis' Lower Lip Grading Scale [25 observers] and photogrammetry). RESULTS The harvestable length of ACN was 100 ± 12 mm. A clinically significant anatomical variant ("short ansa") was present in 33% of cases (length: 37 ± 12 mm). Tensionless coaptation was possible in all cases only when using a modification of the surgical technique in "short ansa" cases (using an infrahyoid muscle nerve branch as an extension). The post-operative course of the clinical case was uneventful without complications, with improvement in tone, symmetry, and function at the lower lip at 12-month post-operative follow-up. CONCLUSIONS Selective ACN-MMN nerve transfer is anatomically feasible in facial paralysis following oncological ablative procedures. It allows direct nerve coaptation without significant donor site morbidity. The clinical case showed good outcomes 12 months post-operatively. A strategy when encountering the "short ansa" anatomical variant in clinical cases is proposed.
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Affiliation(s)
- Villiam Vejbrink Kildal
- Department of Plastic and Maxillofacial Surgery, Uppsala University Hospital, Uppsala, Sweden.,Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Richard Tee
- Department of Plastic and Maxillofacial Surgery, Uppsala University Hospital, Uppsala, Sweden
| | - Lukas Reissig
- Division of Anatomy, Medical University of Vienna, Vienna, Austria
| | - Wolfgang J Weninger
- Division of Anatomy, Medical University of Vienna, Vienna, Austria.,BioImaging Austria (CMI), Vienna, Austria
| | - Chieh-Han John Tzou
- Plastic and Reconstructive Surgery, Department of Surgery, Hospital of Divine Savior (Krankenhaus Goettlicher Heiland), Vienna, Austria.,Faculty of Medicine, Sigmund Freud University, Vienna, Austria.,Facial Palsy Center, TZOU Medical, Vienna, Austria
| | - Andrés Rodriguez-Lorenzo
- Department of Plastic and Maxillofacial Surgery, Uppsala University Hospital, Uppsala, Sweden.,Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
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Kara M, Bitik O, Üstün GG, Ülkir M, Sargon MF, Aksu AE. A supportive donor nerve for long-term facial paralysis: Anatomical analysis of the posterior auricular nerve and micro-anatomical comparison with zygomatic nerve. J Plast Reconstr Aesthet Surg 2021; 75:773-781. [PMID: 34776387 DOI: 10.1016/j.bjps.2021.09.049] [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: 06/15/2020] [Revised: 04/17/2021] [Accepted: 09/27/2021] [Indexed: 11/19/2022]
Abstract
BACKGROUND The posterior auricular nerve (PAN) is an inspiring candidate for the additional axonal source in long-term facial paralysis to improve the functional results of the cross-facial nerve (FN) graft technique. However, no studies have analyzed the PAN's axonal load and its microscopic anatomy to assess its utilization in facial reanimation. The present study aims to examine the anatomical and microscopic features of the PAN to analyze its feasibility as a donor nerve. METHODS The bilateral facial side of 14 fresh frozen adult human cadavers was examined for the study. The PAN's anatomical course was recorded, and nerve specimens from the PAN and zygomatic nerve (ZN) were obtained to compare their microscopic anatomy and axon counts using a light microscope and transmission electron microscope. RESULTS The PAN's average branching distance and its course length were 5.8 ± 2.69 mm and 59.2 ± 5.85, respectively. The mean number of myelinated axons was 600.28 ± 69.97 in the PAN and 728.85 ± 166.31 in the ZN. This difference between the two nerves was statistically significant (p = 0.002). However, considering the gender variable, the mean axon counts of PAN and ZN were statistically similar for face sides and their average. Furthermore, the ultrastructural anatomy of both nerves was similar in electron microscopic evaluation. CONCLUSIONS The present study confirms that the PAN is a proper candidate to be a supportive donor nerve due to its isolated site, consistent anatomical course, convenient ultrastructural anatomy as well as axonal load.
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Affiliation(s)
- Murat Kara
- Department of Plastic Reconstructive and Aesthetic Surgery, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Ozan Bitik
- Special Practise, Next Level Business Center, Ankara, Turkey
| | - Galip Gencay Üstün
- Department of Plastic Reconstructive and Aesthetic Surgery, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Mehmet Ülkir
- Department of Anatomy, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Mustafa Fevzi Sargon
- Department of Anatomy, Lokman Hekim University Faculty of Medicine, Ankara, Turkey
| | - Ali Emre Aksu
- Department of Plastic Reconstructive and Aesthetic Surgery, Hacettepe University Faculty of Medicine, Ankara, Turkey.
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Evaluating Quality of Life After Facial Reanimation Using the Facial Clinimetric Evaluation Scale in a Series of Pediatric Patients. J Craniofac Surg 2021; 32:892-895. [PMID: 33086295 DOI: 10.1097/scs.0000000000007197] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Facial palsy can have significant functional and psychological impact. Dynamic facial reanimation methods have provided means of restoration of smile. There remains a dearth of quality of life data in children. The authors aim to assess patient reported outcomes in this underreported population. METHODS A retrospective review was performed of pediatric patients with facial palsy who had dynamic facial reanimation from 2009 to 2017 at a single institution. Patients were sent a digital Facial Clinimetric Evaluation (FaCE) questionnaire, a validated tool to assess patient quality of life. FaCE statements are grouped into 6 categories: facial movement, facial comfort, oral function, eye comfort, lacrimal control, and social control. RESULTS Twenty patients met inclusion criteria. Fourteen successfully completed the survey. With normal function being 100, our cohort scored: facial movement 38.7 ± 14.3; facial comfort 67.3 ± 23, oral function 75 ± 22.7, eye comfort 68.75 ± 18.2, lacrimal control 53.6 ± 32.5, social function 64.3 ± 25.6. The overall FaCE score was 61.07 ± 10.85. The facial movement subscores were lower for brow raise 16.1 ± 33.4 relative to smiling 53.6 ± 29.2 and lip pucker, 46.4 ± 23.7. No correlation was found between facial movement scores and total scores (R2 < 0.01). There was a strong negative correlation between total scores and time since procedure (Spearman's rho R = -0.45). CONCLUSION Our pediatric facial reanimation cohort demonstrated excellent social function, in contrast to a relatively lower facial movement score. The low facial movement score was mediated by low score for brow raise and was not correlated to overall FaCE score. Interestingly, overall FaCE score tended to decrease with time from procedure.
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Abstract
BACKGROUND Suprazygomatic aponeurotic McLaughlin (SAM) myoplasty technique for facial reanimation is based on the classical McLauglin's lengthening temporalis myoplasty with a series of new modifications. A comprehensive review of previously described other orthodromic temporalis myoplasty techniques is also included to give a succinct comparison. METHODS Twelve adult patients of facial palsy underwent SAM myoplasty for a period of 4 years. Three had congenital facial palsy, 4 patients had facial palsy secondary to acoustic neuromas, 3 were posttraumatic, and 2 patients had Bell's palsy. RESULTS Range of modiolus excursion achieved as measured at 3 months postoperatively on reanimation in our patients was 5 mm to 20 mm with an average of 12.6 mm. With SAM myoplasty technique, we were able to achieve excellent result in 4 patients and good results in 8 patients as evaluated with May and Druker scoring system. CONCLUSIONS Suprazygomatic aponeurotic McLaughlin myoplasty for facial reanimation demonstrates a successful modification of the classical McLaughlin lengthening temporalis myoplasty, making it more customizable, simple, and predictable by taking the level of transection to the temporalis aponeurosis without the need for zygomatic osteotomy. A new classification of orthodromic temporalis myoplasty based on level of transections is also proposed for the first time. Good to excellent outcomes coupled with high patient satisfaction and low morbidity should make this technique popular among the facial reanimation surgeons.
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Georg Heckmann J, Paul Urban P, Pitz S, Guntinas-Lichius O, Gágyor I. The Diagnosis and Treatment of Idiopathic Facial Paresis (Bell's Palsy). DEUTSCHES ARZTEBLATT INTERNATIONAL 2019; 116:692-702. [PMID: 31709978 PMCID: PMC6865187 DOI: 10.3238/arztebl.2019.0692] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 04/01/2019] [Accepted: 07/15/2019] [Indexed: 12/29/2022]
Abstract
BACKGROUND Peripheral facial nerve palsy is the most com- mon functional disturbance of a cranial nerve. 60-75% of cases are idiopathic. METHODS This review is based on a selective literature search proceeding from the current, updated German-language guideline on the diagnosis and treatment of idiopathic facial nerve palsy. RESULTS The recommended drug treatment consists of prednisolone 25 mg bid for 10 days, or 60 mg qd for 5 days followed by a taper to off in decrements of 10 mg per day. This promotes full recovery (number needed to treat [NNT] = 10; 95% confidence interval [6; 20]) and lessens the risk of late sequelae such as synkinesia, autonomic disturbances, and contractures. Virostatic drugs are optional in severe cases (intense pain or suspicion of herpes zoster sine herpete) and mandatory in cases of varicella-zoster virus (VZV) infection. Corneal protection with dexpanthenol ophthalmic ointment, artificial tears, and a nocturnal moisture- retaining eye shield has been found useful in practice. In cases of incomplete recovery with residual facial weakness, both static and microsurgical dynamic methods can be used to restore facial nerve function. CONCLUSION Because 25-40% of cases of facial nerve palsy are not idiopathic, differential diagnosis is very important; key diagnostic methods include a clinical neurological examin- ation, otoscopy, and a lumbar puncture for cerebrospinal fluid examination. High-level evidence supports corticosteroid treatment for the idiopathic form of the disorder.
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Affiliation(s)
| | | | | | | | - Ildik? Gágyor
- Department of General Practice, Julius-Maximilians-Universität Würzburg
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Saez DM, Sasaki RT, Martins DDO, Chacur M, Kerkis I, da Silva MCP. Rat Facial Nerve Regeneration with Human Immature Dental Pulp Stem Cells. Cell Transplant 2019; 28:1573-1584. [PMID: 31462071 PMCID: PMC6923557 DOI: 10.1177/0963689719854446] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Facial paralysis can result in severe implications for the patients. However, stem cell
biology has become an important field in regenerative medicine since the discovery and
characterization of mesenchymal stem cells. Our aim was to evaluate the regeneration after
facial nerve crush injury and application of human immature dental pulp stem cells
(iDPSC). For this study 70 Wistar rats underwent a unilateral facial nerve crush injury
and were divided into two groups: Group I (GI): Crushed; Group II (GII): Crushed and
iDPSC, and distributed into study periods of 3, 7, 14, 21, and 42 postoperative days.
Facial nerve regeneration was analyzed via functional recovery of whisker movement,
histomorphometric analysis, and immunoblotting assay. The results show that GII had
complete functional recovery at 14 days, while GI recovered after 42 days. Also, regarding
the facial nerve trunk, GII presented histological improvement, evidencing better axonal
and structural organization of the myelin sheath, and exhibited statistically higher
values for the outer and inner perimeters and g-ratio. Nevertheless, GI exhibited
statistically higher values for the thickness of myelin sheath. In the buccal branch, no
differences were observed for all parameters between groups. At 42 days, both groups GI
and GII were close to the levels observed for the control group. Concerning nerve growth
factor expression, GII exhibited statistically greater values (p <
0.05) compared with the control group at 7 days. In summary, a single injection of human
iDPSC promoted a positive effect on regeneration of the facial nerve trunk after 14 days
and provided an alternative to support regeneration following peripheral nerve injury.
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Affiliation(s)
- Daniel Martinez Saez
- Department of Morphology and Genetics, Universidade Federal de São Paulo,
São Paulo, Brazil
- Daniel Martinez Saez, Department of Morphology and
Genetics, Universidade Federal de São Paulo, Rua Botucatu, 740 - Edifício
Leitão da Cunha, Vila Clementino, São Paulo 04023, Brazil.
| | - Robson Tetsuo Sasaki
- Department of Morphology and Genetics, Universidade Federal de São Paulo,
São Paulo, Brazil
| | | | - Marucia Chacur
- Departament of Anatomy, Institute of Biomedical Sciences – Universidade de
São Paulo, São Paulo, Brazil
| | - Irina Kerkis
- Department of Genetics, Instituto Butantan, São Paulo, Brazil
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Lóderer Z, Vereb T, Paczona R, Janovszky Á, Piffkó J. An anterolateral thigh chimeric flap for dynamic facial and esthetic reconstruction after oncological surgery in the maxillofacial region: a case report. Head Face Med 2018; 14:7. [PMID: 29642922 PMCID: PMC5896052 DOI: 10.1186/s13005-018-0164-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Accepted: 03/28/2018] [Indexed: 11/10/2022] Open
Abstract
Background The surgical management of malignant tumors in the head and neck region often leads to functional and esthetic defects that impair the quality of life of the patients. Reconstruction can be solved with prostheses in these cases, but various types of microsurgical free flaps can provide a better clinical outcome. Case presentation In this case report, the tumor and parts of the involved facial muscles and nerve were excised surgically from a 42-year-old patient after a third relapse of basal cell carcinoma in the left midface. The tissue defect was reconstructed with an anterolateral thigh chimeric type I fascio-myocutaneous flap, where the facial palsy was restored with a segmental branch of the femoral nerve and the involved mouth corner elevator muscles for the segmented vastus lateralis muscle. The 6-month follow-up revealed a good esthetic outcome, the soft tissue defect reconstruction with good functional activity of the reconstructed facial nerve and with acceptable mimic movements. There has been no subsequent recurrence. Conclusions It is concluded that the chimeric type I anterolateral fascio-myocutaneous free flap can offer a good option for the esthetic and functional reconstruction of an extensive tissue defect in the maxillofacial region.
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Affiliation(s)
- Zoltán Lóderer
- Department of Oral and Maxillofacial Surgery, University of Szeged, Kálvária 57, Szeged, H-6725, Hungary
| | - Tamás Vereb
- Department of Oral and Maxillofacial Surgery, University of Szeged, Kálvária 57, Szeged, H-6725, Hungary
| | - Róbert Paczona
- Department of Oral and Maxillofacial Surgery, University of Szeged, Kálvária 57, Szeged, H-6725, Hungary
| | - Ágnes Janovszky
- Department of Oral and Maxillofacial Surgery, University of Szeged, Kálvária 57, Szeged, H-6725, Hungary.
| | - József Piffkó
- Department of Oral and Maxillofacial Surgery, University of Szeged, Kálvária 57, Szeged, H-6725, Hungary
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Vadepally AK, Sinha R. What Surgical Education the Speciality Offers? Perception of Role of Oral and Maxillofacial Surgery by 1200 Healthcare Professionals, Students and the General Public in Hyderabad, India. J Maxillofac Oral Surg 2017; 17:182-187. [PMID: 29618883 DOI: 10.1007/s12663-017-1050-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 10/04/2017] [Indexed: 11/28/2022] Open
Abstract
Aim To investigate the perception of Oral and maxillofacial surgery by healthcare professionals, students and general public. Materials and Methods A questionnaire form was created that listed ten clinical situations, and given by hand to 1200 individuals, divided into six groups: group 1, medical professionals; group 2, Specialties of dentistry; group 3, general dentists; group 4, medical students; group 5, dental students; and group 6, general public, each comprising 200 individuals. Respondents were asked to indicate who they would expect to treat them if they had one of the specified conditions listed in the questionnaire. We present the results and current awareness levels of this simple questionnaire. The present study addresses the common issue raised by many authors, 'What surgical education the speciality offers?' especially to medical professionals, medical students and general public to enhance an appropriate referral. Results Most of the respondents in groups 2, 3 and 5 agreed that specific conditions listed in the questionnaire were within the domain of oral and maxillofacial surgery, but such response was not seen in groups 1, 4 and 6 (p < 0.001). An overall awareness level of oral and maxillofacial surgery was found to be 50.2%. Conclusion The onus of creating and improving the awareness and perception of our specialty lies on oral and maxillofacial surgeon. Unified efforts at individual as well as global level will help achieve this goal.
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Affiliation(s)
- Ashwant Kumar Vadepally
- Department of Oral and Maxillofacial Surgery, Sri Sai Collage of Dental Surgery, Vikarabad, Telangana India
| | - Ramen Sinha
- 2Department of Oral and Maxillofacial Surgery, Sri Sai College of Dental Surgery, Vikarabad, Telangana India
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Colbert S, Coombes D, Godden D, Cascarini L, Kerawala C, Brennan PA. How do I manage an acute injury to the facial nerve? Br J Oral Maxillofac Surg 2014; 52:67-71. [DOI: 10.1016/j.bjoms.2013.09.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2013] [Accepted: 09/02/2013] [Indexed: 11/25/2022]
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