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Mathieu O, Foy JP, Benassarou M, Moulin P, Bertolus C, Schouman T. Mandibular revascularization using a humeral periosteal free flap: A technical note. JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2024; 125:101988. [PMID: 39079598 DOI: 10.1016/j.jormas.2024.101988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2024] [Revised: 07/25/2024] [Accepted: 07/27/2024] [Indexed: 08/10/2024]
Abstract
The vascularized periosteal free flap transposes a non-irradiated soft tissue with neoangiogenesis, bone induction, and osteogenesis qualities. A surgical technique using a humeral periosteal free flap is described for the treatment of recurrent osteoradionecrosis of the lower jaw. The humeral periosteal free flap is a technique associated with low morbidity. The procedure described avoids sacrificing major vessels as seen in other common flap procedures. Hence, this revascularization approach is equivalent to a prevention technique that should be considered early in the development of osteoradionecrosis to avoid further damage and challenging reconstruction.
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Affiliation(s)
- Olivier Mathieu
- Sorbonne Université, AP-HP, Hôpital Pitié-Salpêtrière, Service de chirurgie maxillo-faciale et stomatologie, Paris, France.
| | - Jean-Philippe Foy
- Sorbonne Université, AP-HP, Hôpital Pitié-Salpêtrière, Service de chirurgie maxillo-faciale et stomatologie, Paris, France; Centre de Recherche de Saint Antoine, INSERM UMRS 938, Paris, France
| | - Mourad Benassarou
- Sorbonne Université, AP-HP, Hôpital Pitié-Salpêtrière, Service de chirurgie maxillo-faciale et stomatologie, Paris, France
| | - Paul Moulin
- Sorbonne Université, AP-HP, Hôpital Pitié-Salpêtrière, Service de chirurgie maxillo-faciale et stomatologie, Paris, France
| | - Chloé Bertolus
- Sorbonne Université, AP-HP, Hôpital Pitié-Salpêtrière, Service de chirurgie maxillo-faciale et stomatologie, Paris, France
| | - Thomas Schouman
- Sorbonne Université, AP-HP, Hôpital Pitié-Salpêtrière, Service de chirurgie maxillo-faciale et stomatologie, Paris, France; Arts et Métiers - Institute of Technology, Paris, France
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Fritz MA, Arianpour K, Liu SW, Lamarre ED, Genther DJ, Ciolek PJ, Byrne PJ, Prendes BL. Managing Mandibular Osteoradionecrosis. Otolaryngol Head Neck Surg 2024. [PMID: 39327863 DOI: 10.1002/ohn.990] [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: 05/02/2024] [Revised: 09/11/2024] [Accepted: 09/14/2024] [Indexed: 09/28/2024]
Abstract
OBJECTIVE Mandibular osteoradionecrosis (MORN) is a morbid complication of head and neck radiation therapy. Recent advances in surgical and medical therapies underscore the need for a shift in traditional treatment paradigms and a disease grading system that can guide appropriate management. DATA SOURCES Pubmed/MEDLINE. REVIEW METHODS We conducted a detailed review of publications related to MORN, specifically focusing on its staging and management techniques. Articles meeting inclusion criteria were synthesized into a final narrative review. CONCLUSION There has been a paradigm shift away from hyperbaric oxygen therapy in the management of MORN. Growing evidence for the efficacy of pentoxifylline and tocopherol in early-stage disease and novel surgical techniques to manage moderate and late-stage disease warrant an updated staging stratification which is proposed. IMPLICATIONS FOR PRACTICE This review summarizes the clinical efficacy of established and novel therapeutic modalities currently available in treating MORN, emphasizing the significant advances achieved over the last decade. It introduces a contemporary staging and treatment algorithm which incorporates traditional, evidence-supported surgical and medical management with effective early intervention strategies.
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Affiliation(s)
- Michael A Fritz
- Division of Facial Plastic and Microvascular Surgery, Head and Neck Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Khashayar Arianpour
- Division of Facial Plastic and Microvascular Surgery, Head and Neck Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Sara W Liu
- Division of Facial Plastic and Microvascular Surgery, Head and Neck Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Eric D Lamarre
- Division of Facial Plastic and Microvascular Surgery, Head and Neck Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Dane J Genther
- Division of Facial Plastic and Microvascular Surgery, Head and Neck Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Peter J Ciolek
- Division of Facial Plastic and Microvascular Surgery, Head and Neck Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Patrick J Byrne
- Division of Facial Plastic and Microvascular Surgery, Head and Neck Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Brandon L Prendes
- Division of Facial Plastic and Microvascular Surgery, Head and Neck Institute, Cleveland Clinic, Cleveland, Ohio, USA
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Hurrell MJL, Leinkram D, Stokan MJ, Clark JR. Medial Femoral Condyle Periosteal Free Flap for Bone Coverage Following Debridement of Intermediate-Stage Osteoradionecrosis of the Jaw. J Craniofac Surg 2024; 35:1174-1176. [PMID: 38635500 DOI: 10.1097/scs.0000000000010059] [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: 12/18/2023] [Accepted: 01/11/2024] [Indexed: 04/20/2024] Open
Abstract
STUDY DESIGN Case report. Osteoradionecrosis (ORN) of the jaw is a potentially devastating consequence of head and neck irradiation. The progression of ORN can lead to loss of bone, teeth, soft tissue necrosis, pathologic fracture, and oro-cutaneous fistula. Reconstructive surgery has mostly been reserved for late-stage disease where segmental resections are frequently necessary. Evidence is emerging to support earlier treatment in the form of debridement in combination with soft tissue free flaps for intermediate-stage ORN. The authors present a case of a 76-year-old male with persistent Notani 2 ORN of the mandible, treated with surgical removal of all remaining mandibular teeth, transoral debridement of all necrotic mandibular bone, and bone coverage with a left medial femoral condyle (MFC) periosteal free flap based on the descending genicular artery. Treatment was uneventful both intraoperatively and postoperatively. Since surgery (15 mo) the patient has remained free from clinical and radiologic signs of ORN. The MFP periosteal free flap provided an excellent result with minimal surgical complexity and morbidity in this case. Such treatment at an intermediate stage likely results in a reduction in segmental resections, less donor site morbidity, less operative time, less overall treatment time, and possibly fewer postoperative complications compared with the status quo.
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Affiliation(s)
- Michael J L Hurrell
- Sydney Head and Neck Cancer Institute, Chris O'Brien Lifehouse, Sydney, NSW
- Maxillofacial Surgery Unit, Gold Coast Hospital and Health Service, Gold Coast University Hospital
- School of Medicine and Dentistry, Griffith University, Southport, QLD
| | - David Leinkram
- Sydney Head and Neck Cancer Institute, Chris O'Brien Lifehouse, Sydney, NSW
| | - Murray J Stokan
- Sydney Head and Neck Cancer Institute, Chris O'Brien Lifehouse, Sydney, NSW
| | - Jonathan R Clark
- Sydney Head and Neck Cancer Institute, Chris O'Brien Lifehouse, Sydney, NSW
- Sydney Medical School, Faculty of Medicine and Health Sciences, University of Sydney
- Royal Prince Alfred Institute of Academic Surgery, Sydney Local Health District, Sydney, NSW, Australia
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Peterson DE, Koyfman SA, Yarom N, Lynggaard CD, Ismaila N, Forner LE, Fuller CD, Mowery YM, Murphy BA, Watson E, Yang DH, Alajbeg I, Bossi P, Fritz M, Futran ND, Gelblum DY, King E, Ruggiero S, Smith DK, Villa A, Wu JS, Saunders D. Prevention and Management of Osteoradionecrosis in Patients With Head and Neck Cancer Treated With Radiation Therapy: ISOO-MASCC-ASCO Guideline. J Clin Oncol 2024; 42:1975-1996. [PMID: 38691821 DOI: 10.1200/jco.23.02750] [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: 12/20/2023] [Accepted: 01/22/2024] [Indexed: 05/03/2024] Open
Abstract
PURPOSE To provide evidence-based recommendations for prevention and management of osteoradionecrosis (ORN) of the jaw secondary to head and neck radiation therapy in patients with cancer. METHODS The International Society of Oral Oncology-Multinational Association for Supportive Care in Cancer (ISOO-MASCC) and ASCO convened a multidisciplinary Expert Panel to evaluate the evidence and formulate recommendations. PubMed, EMBASE, and Cochrane Library databases were searched for randomized controlled trials and observational studies, published between January 1, 2009, and December 1, 2023. The guideline also incorporated systematic reviews conducted by ISOO-MASCC, which included studies published from January 1, 1990, through December 31, 2008. RESULTS A total of 1,539 publications were initially identified. There were 487 duplicate publications, resulting in 1,052 studies screened by abstract, 104 screened by full text, and 80 included for systematic review evaluation. RECOMMENDATIONS Due to limitations of available evidence, the guideline relied on informal consensus for some recommendations. Recommendations that were deemed evidence-based with strong evidence by the Expert Panel were those pertaining to best practices in prevention of ORN and surgical management. No recommendation was possible for the utilization of leukocyte- and platelet-rich fibrin or photobiomodulation for prevention of ORN. The use of hyperbaric oxygen in prevention and management of ORN remains largely unjustified, with limited evidence to support its practice.Additional information is available at www.asco.org/head-neck-cancer-guidelines.
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Affiliation(s)
| | | | - Noam Yarom
- Sheba Medical Center, Tel Hashomer, Israel
- Tel Aviv University, Tel Aviv, Israel
| | - Charlotte Duch Lynggaard
- Department of Otolaryngology, Head and Neck Surgery and Audiology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | | | - Lone E Forner
- Department of Oral and Maxillofacial Surgery, Zealand University Hospital, Køge, Denmark
| | | | - Yvonne M Mowery
- UPMC Hillman Cancer Center, Pittsburgh, PA
- University of Pittsburgh, Pittsburgh, PA
| | | | - Erin Watson
- Department of Dental Oncology, Princess Margaret Cancer Center/Faculty of Dentistry, University of Toronto, Toronto, Canada
| | - David H Yang
- BC Cancer/University of British Columbia, Vancouver, Canada
| | - Ivan Alajbeg
- University of Zagreb School of Dental Medicine, Zagreb, Croatia
| | - Paolo Bossi
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
- IRCCS Humanitas Research Hospital, Milan, Italy
| | | | - Neal D Futran
- University of Washington School of Medicine, Seattle, WA
| | | | - Edward King
- Northern Colorado Head and Neck Cancer Support Group, Windsor, CO
| | - Salvatore Ruggiero
- New York Center for Orthognathic and Maxillofacial Surgery, New York, NY
| | | | | | - Jonn S Wu
- BC Cancer/University of British Columbia, Vancouver, Canada
| | - Deborah Saunders
- Health Sciences North Research Institute, Northern Ontario School of Medicine, Health Sciences North, Sudbury, Ontario, Canada
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Simman R, Bach K, Abbas F, Klomparens K, Brickman BJ. Management of Radiation-induced Tissue Injuries: A Review of Current Treatment Strategies. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2023; 11:e5043. [PMID: 37456134 PMCID: PMC10348732 DOI: 10.1097/gox.0000000000005043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 04/10/2023] [Indexed: 07/18/2023]
Abstract
Although radiation therapy remains an integral component in cancer treatment, the sequela of tissue damage can result in long-term morbidity and mortality for patients. This article aimed to perform a comprehensive review of the current literature for both nonsurgical and surgical management strategies for radiation-induced injuries. Methods A literature search was performed on PubMed to review the current described management and treatment options for radiation-induced injuries. Patient demographics, medical diagnoses, complications, strategies of management care, and outcomes were reviewed. Results The most commonly described management options and reconstructive techniques of radiation wounds were analyzed and reported. Conclusions Consideration of current techniques and outcomes in the management of radiation-induced wounds demonstrates that impaired wound healing remains a major problem. This literature review provides a detailed overview of the most frequently used therapies with recommendations for surgeons.
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Affiliation(s)
- Richard Simman
- From the Department of Surgery, Jobst Vascular Institute, ProMedica Health Network, Toledo, Ohio
- Department of Surgery, University of Toledo College of Medicine, Toledo, Ohio
| | - Karen Bach
- Department of Surgery, University of Toledo College of Medicine, Toledo, Ohio
| | - Fuad Abbas
- Department of Surgery, Wayne State School of Medicine, Detroit, Mich
| | - Kara Klomparens
- Department of Surgery, Wayne State School of Medicine, Detroit, Mich
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Merits of the free periosteal femoral condyle flap in the management of advanced mandibular osteoradionecrosis. Int J Oral Maxillofac Surg 2023; 52:175-180. [PMID: 35717279 DOI: 10.1016/j.ijom.2022.05.006] [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: 01/15/2022] [Revised: 04/12/2022] [Accepted: 05/19/2022] [Indexed: 01/11/2023]
Abstract
The management of advanced mandibular osteoradionecrosis (ORN) is poorly codified and requires repeated time-consuming, morbid surgical procedures. The free periosteal medial femoral condyle flap could be used for the management of extensive mandibular ORN with fracture, to avoid non-conservative surgery such as mandibulectomy. The purpose of this study was to report the authors' experience using periosteal flaps for advanced ORN and to assess the therapeutic effectiveness of these flaps in this context. A series of 10 patients who underwent bone revascularization with a free periosteal femoral flap for the management of advanced ORN (Notani class III) is reported. The onset of bone consolidation, length of hospital stay, duration of surgery, donor site morbidity, and the option of dental rehabilitation in the event of a successful outcome were assessed. Osteogenesis was observed in 70% of cases. Thirty percent of patients benefited from dental implant rehabilitation. The mean follow-up was 73.1 months. No patient experienced any sequelae at the flap harvest site. In the authors' opinion, the free periosteal medial femoral condyle flap appears to offer a therapeutic solution for patients with advanced stages of ORN.
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Fascio-cutaneous and fascio-periosteal free flaps for treatment of intermediate stage osteoradionecrosis of the jaws. Oral Surg Oral Med Oral Pathol Oral Radiol 2022:S2212-4403(22)01298-6. [PMID: 36804836 DOI: 10.1016/j.oooo.2022.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 12/09/2022] [Accepted: 12/09/2022] [Indexed: 12/23/2022]
Abstract
OBJECTIVES Osteoradionecrosis (ORN) of the jaw is a potentially devastating consequence of head and neck irradiation. Despite recent advances, there are patients who fail to respond to conventional therapies. Historically, free flaps were reserved for advanced cases requiring segmental resection and composite reconstruction, with early and intermediate disease treated more conservatively. We have adopted a more active surgical approach in selected intermediate cases. STUDY DESIGN A retrospective review of patients with intermediate stage ORN who received debridement and either fascio-cutaneous or fascio-periosteal free flap reconstruction was performed. Demographic data, ORN severity, treatment, and outcomes are described. RESULTS From 2019, 9 cases in 7 patients were identified. All cases were Notani grade II. There were 6 Epstein stage IIa and 3 Epstein stage IIIa. The mandible was the most common site (n = 8). Of the 7 patients, 2 had oropharyngeal primaries treated with chemoradiation, and 5 had oral cavity primaries treated with surgery and adjuvant radiation therapy. Three patients had prior hyperbaric oxygen therapy, and 2 had pentoxifylline/tocopherol therapy. After debridement, the radial forearm, ulnar artery perforator, and antero-lateral thigh fascio-cutaneous free flaps were each used in 1 case and the temporoparietal fascio-periosteal free flap was used in 6 cases. There was no recurrence or progression of ORN at the site of surgery, but 2 patients developed additional sites of ORN. CONCLUSIONS For patients with unresponsive intermediate ORN, debridement and soft tissue free flap reconstruction is an alternative to ongoing conservative management or composite resection and reconstruction.
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Free vascularized flap reconstruction for osteoradionecrosis of the mandible: a 25-year retrospective cohort study. EUROPEAN JOURNAL OF PLASTIC SURGERY 2022. [DOI: 10.1007/s00238-022-01980-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Abstract
Background
Osteoradionecrosis of the jaw is a severe complication of radiotherapy in head and neck cancer patients. If conservative treatment and surgical debridement have been unsuccessful, the preferred treatment for symptomatic mandibular osteoradionecrosis (mORN) is radical surgery and subsequent reconstruction with a free vascularized flap. This study aims to assess the outcomes of free vascularized flap reconstruction in mORN.
Methods
A retrospective study was conducted on all patients who underwent a free vascularized flap reconstruction for mORN between 1995 and 2021 in Amsterdam UMC – VUmc, The Netherlands.
Results
In our cohort study, three of the twenty-eight flap reconstructions failed (10.7%). No recurrences of mORN were observed during a mean follow-up of 8 years.
Conclusions
The success rate of free vascularized flap reconstruction for mORN is high. The fibula is the preferred free flap for mandibular reconstruction in mORN cases. However, this type of surgery is at risk for complications and patients need to be informed that these complications may require surgical re-intervention.
Level of evidence: Level IV, Therapeutic; Risk/Prognostic.
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Defining the Dimensions of Periosteal Free Tissue Transfer Harvest Sites. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2021; 9:e3846. [PMID: 34616645 PMCID: PMC8489887 DOI: 10.1097/gox.0000000000003846] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 08/02/2021] [Indexed: 11/26/2022]
Abstract
Supplemental Digital Content is available in the text. Information about the use and donor site morbidity of periosteal free flaps in head and neck reconstruction is limited. The aim of this study was to examine potential periosteal free flap donor sites with respect to their dimensions, tissue and pedicle characteristics, and predicted donor site morbidity in a cadaveric model. The following cadaveric periosteal specimens with a vascular pedicle were harvested using standard surgical approaches: skull, chest wall, sternum, scapula, iliac crest, femur, and humerus. Data relating to the periosteum size and quality, vascular pedicle, surgical factors, feasibility of use, and the potential donor-site morbidity were recorded. One female (age: 78 years, height: 152 cm) and one male (age: 65 years, height: 186 cm) cadaver were used for flap harvest. The skull, chest wall, scapula, and femur were suitable in terms of the size of the periosteum harvested. The procedure to remove the periosteum from the scalp, chest wall, and scapula had the least predicted donor-site morbidity. The pedicle length and vessel caliber from the periosteal flaps were most favorable from the skull, scapula, and iliac crest. Considering all factors, the periosteum harvested from the skull and scapula were the most promising.
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Free Periosteal Flaps with Scaffold: An Overlooked Armamentarium for Maxillary and Mandibular Reconstruction. Cancers (Basel) 2021; 13:cancers13174373. [PMID: 34503183 PMCID: PMC8431391 DOI: 10.3390/cancers13174373] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/03/2021] [Accepted: 08/09/2021] [Indexed: 01/22/2023] Open
Abstract
Simple Summary Head and neck bone reconstruction with revascularized free periosteal flaps and scaffold is an overlooked option in the literature. Aim of the present paper was to systematically analyse the results of maxillary and mandibular reconstruction with this technique. We found a total of 7 studies with 55 patients fitting with our inclusion criteria. The overall rate of complications was 43.7%. The success rate intended as scaffold integration resulted to be 74.5%. Our paper therefore highlighted that maxillary and mandibular reconstruction with revascularized free periosteal flaps and scaffold is a possible alternative in patient unable to bone free flap complex reconstruction, with a success rate higher to that of other secondary options. Abstract Introduction: Head and neck bone reconstruction is a challenging surgical scenario. Although several strategies have been described in the literature, bone free flaps (BFFs) have become the preferred technique for large defects. Revascularized free periosteal flaps (FPFs) with support scaffold represents a possible alternative in compromised patient, BFF failure, or relapsing cancers as salvage treatment. However, only few clinical applications in head and neck are reported in literature. Purpose of the study was to systematically analyse the results of functional and oncologic maxillary and mandibular reconstruction with FPF with scaffold. Materials and Methods: A comprehensive review of the dedicated literature was performed according to the PRISMA guidelines searching on Scopus, PubMed/MEDLINE, Cochrane Library, Embase, Researchgate and Google Scholar databases using relevant keywords, phrases and medical subject headings (MeSH) terms. An excursus on the most valuable FPF’ harvesting sites was also carried out. Results: A total of 7 studies with 55 patients were included. Overall, the majority of the patients (n = 54, 98.1%) underwent an FPF reconstruction of the mandibular site. The most used technique was the radial forearm FPF with autologous frozen bone as scaffold (n = 40, 72.7%). The overall rate of complications was 43.7%. The success rate intended as scaffold integration resulted to be 74.5%. Conclusions: Maxillary and mandibular reconstruction with FPF and scaffold is a possible alternative in patient unfit for complex BFF reconstruction and it should be considered as a valid alternative in the sequential salvage surgery for locally advanced cancer. Moreover, it opens future scenarios in head and neck reconstructive surgery, as a promising tool that can be modelled to tailor complex 3D defects, with less morbidities to the donor site.
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Berrone M, Lajolo C, De Corso E, Settimi S, Rupe C, Crosetti E, Succo G. Cooperation between ENT surgeon and dentist in head and neck oncology. ACTA ACUST UNITED AC 2021; 41:S124-S137. [PMID: 34060528 PMCID: PMC8172104 DOI: 10.14639/0392-100x-suppl.1-41-2021-13] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Accepted: 01/08/2021] [Indexed: 01/19/2023]
Affiliation(s)
- Mattia Berrone
- Head and Neck Oncology Service, Candiolo Cancer Institute - FPO, IRCCS, Candiolo, Italy.,Department of Oncology, University of Turin, Turin, Italy
| | - Carlo Lajolo
- Head and Neck Department, "Fondazione Policlinico Universitario A. Gemelli - IRCCS" Rome, Italy.,School of Dentistry, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Eugenio De Corso
- Head and Neck Department, "Fondazione Policlinico Universitario A. Gemelli - IRCCS" Rome, Italy
| | - Stefano Settimi
- Head and Neck Department, "Fondazione Policlinico Universitario A. Gemelli - IRCCS" Rome, Italy
| | - Cosimo Rupe
- Head and Neck Department, "Fondazione Policlinico Universitario A. Gemelli - IRCCS" Rome, Italy
| | - Erika Crosetti
- Head and Neck Oncology Service, Candiolo Cancer Institute - FPO, IRCCS, Candiolo, Italy
| | - Giovanni Succo
- Head and Neck Oncology Service, Candiolo Cancer Institute - FPO, IRCCS, Candiolo, Italy.,Department of Oncology, University of Turin, Turin, Italy
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Chen Y, Zhou F, Liu H, Li J, Che H, Shen J, Luo E. SIRT1, a promising regulator of bone homeostasis. Life Sci 2021; 269:119041. [PMID: 33453243 DOI: 10.1016/j.lfs.2021.119041] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 12/29/2020] [Accepted: 01/06/2021] [Indexed: 12/16/2022]
Abstract
Sirtuin 1 (SIRT1), a nicotinamide adenine dinucleotide-dependent deacetylase, epigenetically regulates various cell metabolisms, including inflammation, tumorigenesis, and bone metabolism. Many clinical studies have found the potential of SIRT1 in predicting and treating bone-related disorders, such as osteoporosis and osteonecrosis, suggesting that SIRT1 might be a regulator of bone homeostasis. In order to identify the mechanisms that underlie the pivotal role of SIRT1 in bone homeostasis, many studies revealed that SIRT1 could maintain the balance between bone formation and absorption via regulating the ratio of osteoblasts to osteoclasts. SIRT1 controls the differentiation of mesenchymal stem cells (MSCs) and bone marrow-derived macrophages, increasing osteogenesis and reducing osteoclastogenesis. Besides, SIRT1 can enhance bone-forming cells' viability, including MSCs and osteoblasts under adverse conditions by resisting senescence, suppressing apoptosis, and promoting autophagy in favor of osteogenesis. Furthermore, the effect on bone vasculature homeostasis enables SIRT1 to become a valuable strategy for ischemic osteonecrosis and senile osteoporosis. The review systemically discusses SIRT1 pathways and the critical role in bone homeostasis and assesses whether SIRT1 is a potential target for manipulation and therapy, to lay a solid foundation for further researches in the future.
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Affiliation(s)
- Ye Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Feng Zhou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Hanghang Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China; Maine Medical Center Research Institute, Maine Medical Center, Scarborough, ME 04074, USA
| | - Jiaxuan Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Huiling Che
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Jiaqi Shen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - En Luo
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China.
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Novel Technique with Double Free Flap Design for Advanced Mandibular Osteoradionecrosis: A Case Series. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2020; 8:e3149. [PMID: 33133983 PMCID: PMC7544289 DOI: 10.1097/gox.0000000000003149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 08/04/2020] [Indexed: 11/26/2022]
Abstract
Advanced mandibular osteoradionecrosis is arguably among the most challenging cases for reconstructive head and neck surgeons. Several reconstructive methods for complex mandibular defects have been reported; however, for advanced mandibular osteoradionecrosis, a safe option that minimizes the risk of renewed fistulation and infections is needed. For this purpose, we present a new technique using a fascia-sparing vertical rectus abdominis musculocutaneous flap as protection for a vascularized free fibula graft (FFG). This technique also optimizes recipient site healing and functionality while minimizing donor site morbidity. Our initial experiences from a 4 patient case series are included. Mean operative time was 551 minutes (SD: 81 minutes). All donor sites were closed primarily. Mean time to discharge was 13 days (SD: 7 days), and mean time to full mobilization was 2 days (SD: 1 days). This double free flap technique completely envelops the FFG and plate with nonirradiated muscle. It allows for the transfer of an FFG without a skin island, thus avoiding the need for split skin graft closure. This results in faster healing and minimizes the risk of fibula donor site morbidity. The skin island of the vertical rectus abdominis musculocutaneous flap has the added benefit of providing intraoral lining, which minimizes contractures and trismus. Although prospective long-term studies comparing this approach to other double flap procedures are needed, we argue that this technique is an optimal approach to safeguard the mandibular FFG reconstruction against the inherent risks of renewed complications in irradiated unhealthy tissue.
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Gallego L, Junquera L, García-Consuegra L, Martinez A, Meana Á. Regeneration of mandibular osteoradionecrosis with autologous cross-linked serum albumin scaffold. Regen Med 2020; 15:1841-1849. [PMID: 32815773 DOI: 10.2217/rme-2020-0042] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Osteoradionecrosis is one of the most severe complications of radiotherapy administered for head and neck tumors. We present the first two cases of advanced and refractory mandibular osteoradionecrosis treated by application of a novel autologous cross-linked 3D serum matrix. Patients were followed clinically and radiographically up to 24 months. Complete wound healing and intact mucosal cover were achieved in both cases. At 12 months, the radiographic values showed an almost complete regeneration of the bone defect, which continued a favourable progression increased to the maximum by 24 months after surgery. The use of an autologous serum-derived scaffold proved to be a quick, predictable, cost-effective and safe adjunct to the conservative surgical treatment of this pathology.
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Affiliation(s)
- Lorena Gallego
- Department of Oral & Maxillofacial Surgery. Cabueñes University Hospital, 33394 Gijón, Spain.,Department of Surgery and Medical-Surgical Specialties, University of Oviedo, 33006 Oviedo, Spain
| | - Luis Junquera
- Department of Surgery and Medical-Surgical Specialties, University of Oviedo, 33006 Oviedo, Spain.,Department of Oral & Maxillofacial Surgery, Central University Hospital, 33006 Oviedo, Spain
| | - Luis García-Consuegra
- Department of Surgery and Medical-Surgical Specialties, University of Oviedo, 33006 Oviedo, Spain.,Department of Oral & Maxillofacial Surgery, Central University Hospital, 33006 Oviedo, Spain
| | - Antonio Martinez
- Department of Radiology, Cabueñes University Hospital, 33394 Gijón, Spain
| | - Álvaro Meana
- Community Blood & Tissue Center of Asturias, 33006 Oviedo, Spain.,Ophthalmologic Research Foundation, U714, CIBER Rare Diseases (CIBERER), Oviedo, Spain
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