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2.
J Stomatol Oral Maxillofac Surg ; 123(2): 98-100, 2022 04.
Artigo em Inglês | MEDLINE | ID: mdl-34144245

RESUMO

We report comparative results, over three months, of the impact of SARS-CoV2 in our patients injected with botulinum toxin for functional purposes, compared to the general population. Botulinum neurotoxin type A (BoNT/A) is known to block acetylcholine (ACh) as well as many other neuroreceptors and neuromodulators. The recent mention of a potential protective effect of nicotine in COVID 19, by blocking ACh, attracted our attention and guided the present study. Our results show a significant difference between the number of infected individuals in the general population and the number of patients injected with BoNT/A who showed signs of COVID 19.


Assuntos
Toxinas Botulínicas Tipo A , COVID-19 , Toxinas Botulínicas Tipo A/uso terapêutico , Humanos , RNA Viral , SARS-CoV-2
3.
Eur Ann Otorhinolaryngol Head Neck Dis ; 137(6): 501-505, 2020 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-32139198

RESUMO

Planning of free fibula flaps for mandibular reconstruction improves the quality of conformation and reduces the operating time. Many methods based on modeling and 3D printing have been described with excellent results, but planning and production of custom-made guides and/or plates are often time-consuming and expensive. In this article, we describe our 3D printing-assisted free fibula flap planning method, routinely performed exclusively by the surgical team in less than 72hours, compatible with urgent cancer management. Fibula and mandible models were printed by using preoperative CT data. The mandibular resection, the length of fibula and the number of osteotomies and their angles were planned on the printed models. Titanium fixation plates were then conformed on the printed model and sterilized prior to surgery and templates were made to guide fibula osteotomies. Preliminary analysis based on 7 cases shows a reduction of conformation time with good clinical and radiological results. This 3D printing-assisted planning technique is simple, cost-effective and readily reproducible, allowing mandibular reconstruction with good cosmetic and functional results.


Assuntos
Fíbula/cirurgia , Retalhos de Tecido Biológico/transplante , Reconstrução Mandibular/métodos , Impressão Tridimensional , Desenho de Prótese/métodos , Humanos , Duração da Cirurgia , Osteotomia/métodos , Fatores de Tempo
4.
J Stomatol Oral Maxillofac Surg ; 119(4): 291-293, 2018 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-29530738

RESUMO

INTRODUCTION: The omental free flap is an effective tool for craniofacial reconstruction. However it is generally under-utilised by a large number of practitioners. This paper's goal is to increase awareness of this free flap's accessibility and to demonstrate that it can be an attractive option for reconstructive surgery. CLINICAL REPORT: This article outlines the details of a 57-year-old patient who required coverage of a fronto-parietal wound with dura mater exposure. After previous failed conventional free flap attempts, a procedure using the omental free flap was finally performed on this severe wound. The omentum was harvested via a 8cm laparotomy and anastomosed to the temporal vessels. The final result was successful, with a favorable aesthetic result. DISCUSSION: The omental free flap has many advantages: the pedicle length is long, it allows coverage of a large wound, it can be applied to a wound bed previously irradiated and infected, it has a low morbidity rate to the donor site, the surgical technique of harvesting is easy, the aesthetic result is satisfactory. However, the absence of skin slice is a disadvantage of the omental free flap because it makes monitoring difficult and it requires a skin graft in a second procedure. Laparoscopic harvest of omentum free flaps is a safe and effective tool in the reconstructive armamentarium. Every maxillofacial and plastic surgeon should aim to master and use this method as a legitimate option in some infrequent but appropriated cases.


Assuntos
Retalhos de Tecido Biológico , Laparoscopia , Estética Dentária , Humanos , Pessoa de Meia-Idade , Omento , Transplante de Pele
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