Academic literature on the topic 'Oris angularis flap. eng'

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Journal articles on the topic "Oris angularis flap. eng"

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Defoor, J., T. Bosmans, M. Doom, I. Schwarzkopf, and H. De Rooster. "The use of an islandized angularis oris axial pattern buccal flap for the reconstruction of a recurrent cleft palate in a cat." Vlaams Diergeneeskundig Tijdschrift 82, no. 6 (2013): 350–55. http://dx.doi.org/10.21825/vdt.v82i6.16682.

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A 7-month-old male castrated European shorthair cat was presented because of a recurrent cleft of the soft palate. Surgical correction had already been performed twice by a local veterinary practitioner. For the third correction, a pharyngeal overlapping flap was used but again, dehiscence occurred. Finally, the angularis oris axial pattern buccal flap technique, as described in dogs, was applied. The flap covered the defect without any tension, and good vascularization was appreciated during the whole procedure. Because of severe swelling of the intraoral tissues at the end of the procedure, dexamethasone was administered intravenously. Almost instantly after the injection, the cat went into cardiorespiratory arrest, and died shortly after.
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Bradford, M., J. Bhandal, and D. A. Degner. "Use of the angularis oris cutaneous flap for repair of a rostral mandibular skin defect in a cat." Veterinary and Comparative Orthopaedics and Traumatology 24, no. 04 (2011): 303–6. http://dx.doi.org/10.3415/vcot-10-09-0129.

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SummaryThe angularis oris axial pattern flap is based on the blood supply of the angularis oris artery and vein. While the use of this flap for repair of canine facial wounds is well documented, this technique has not been reported in the cat. This Case Report presents the reconstruction of a large ventral chin and rostral lip wound with the use of this flap. Complete survival of this flap was observed in this patient.
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Losinski, Sara L., Bryden J. Stanley, Sandra P. Schallberger, Laura L. Nelson, and Heather A. M. Towle Millard. "Versatility of the Angularis Oris Axial Pattern Flap for Facial Reconstruction." Veterinary Surgery 44, no. 8 (2015): 930–38. http://dx.doi.org/10.1111/vsu.12408.

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Bryant, Karen J., Kenneth Moore, and Jonathan F. McAnulty. "Angularis oris axial pattern buccal flap for reconstruction of recurrent fistulae of the palate." Veterinary Surgery 32, no. 2 (2003): 113–19. http://dx.doi.org/10.1053/jvet.2003.50018.

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Cook, DA, and MJ Thomson. "Complications of the angularis oris axial pattern buccal flap for reconstruction of palatine defects in two dogs." Australian Veterinary Journal 92, no. 5 (2014): 156–60. http://dx.doi.org/10.1111/avj.12175.

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Tuohy, Joanne L., Deanna R. Worley, Brandan G. Wustefeld‐Janssens, Megan A. Mickelson, Nicole P. Ehrhart, and Bernard Seguin. "Bilateral caudal maxillectomy for resection of tumors crossing palatal midline and use of the angularis oris axial pattern flap for primary closure or dehiscence repair in two dogs." Veterinary Surgery 48, no. 8 (2019): 1490–99. http://dx.doi.org/10.1111/vsu.13252.

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Frasson, Marla Tereza, Flavio Augusto Vieira Freitag, Rafael Ricardo Huppes, et al. "Use of the Angularis Oris Axial Pattern Buccal Flap for the Correction of Facial Defects in Six Dogs." Acta Scientiae Veterinariae 48 (November 10, 2020). http://dx.doi.org/10.22456/1679-9216.100541.

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Background: Reconstructive surgery is an important area of veterinary surgery because it allows the reconstruction of large cutaneous defects in areas where a primary approach is not possible. Axial patterns flaps are composed by one direct cutaneous artery and vein, leading to a better blood supply with a good survival outcome. The angularis oris axial pattern buccal flap was introduced for correction of facial defects, but its versatility is not really explored in the existing literature. This article reports the use and complications of the angularis oris axial pattern buccal flap in six dogs, to treat defects in mandibular, temporal or labial regions.Cases: Five mixed breed dogs and one Labrador, with age between 4 and 9 years’ old were submitted for surgery and the angularis oris axial pattern buccal flap was used to close the different defects. Causes of defect included a lesion caused by myiasis in three of the dogs, and tumoral removal in the other three, where two were mast cell tumors and one a keratinizing basal cell carcinoma. The regions affected included rostral mandible with oral mucosa, intermandibular region, temporal region and upper lip. Before flap confection the tissue was cleaned, resected and prepared properly, according to each cause of lesion. The flap was made with two parallel incisions, wich center was usually the labial commissure, with the dorsal limits at the ventral aspect of the zygomatic arch, and the ventral incision on the ventral aspect of the mandibular ramus. Caudal extension was based on the length needed for surgical closure, but stained between the vertical auditory canal or up to atlas wing. Suture size and pattern depend the region and patient size. Patients were observed closely for any complication in the surgical site. From the six dogs presented here, five got some complications in the surgical site, including: lymphedema (2), suture dehiscence (4) and hematoma (1); however, regardless the complication, all patients had successful wound healing in 15 to 21 days after surgery. Also in two of the four suture dehiscence episodes, the cause of dehiscence was secondary to trauma and not the surgery.Discussion: The reconstruction of facial defects is noteworthy due the limited availability of flaps that can reach the region without excessive tension or healing complications. The angularis oris axial buccal flap pattern is the nearest flap to close defect in the intermandibular, temporal or labial regions. In the cases reported, it is possible to observe that the most frequent complication was suture dehiscence, but it occurred mostly in a small proportion of the flap, allowing healing in the expected time.The surgical planning is an important factor for reconstructive surgeries, so that there is enough tissue for the closure of the recipient and donor site, without tension over the flap or interference with tissue function and aesthetics. Despite the suture dehiscence in some of the cases, all patients showed adequate final recovery, since they returned to normal function with satisfactory cosmetic appearance.The angularis oris axial pattern buccal flap was applied in the correction of defects easily and all patients returned to normal function with satisfactory cosmetic appearance.
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Guzu, Michel, Diego Rossetti, and Philippe R. Hennet. "Locoregional Flap Reconstruction Following Oromaxillofacial Oncologic Surgery in Dogs and Cats: A Review and Decisional Algorithm." Frontiers in Veterinary Science 8 (May 21, 2021). http://dx.doi.org/10.3389/fvets.2021.685036.

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Primary treatment of most oromaxillofacial tumors in dogs and cats is resective surgery. Management of malignant tumors may be very challenging as wide/radical free-margin surgical removal must be achieved while preserving vital functions. Removal of orofacial tumors may result in large defects exposing the oral cavity or creating a communication with the nasal, pharyngeal, or orbital cavities. Such defects require orofacial reconstruction in order to restore respiratory and manducatory functions. The veterinary surgeon must be familiar with reconstructive techniques in order to prevent the inability of closing the defect, which could lead to an insufficient resection. Small oral defects exposing the nasal cavity are best closed with local random mucosal flaps. Closure of large oral defects may be better achieved with a facial or major palatine-based axial-pattern flap. Small to moderate facial defects can be closed with local advancement or transposition skin flaps. Reconstruction of large facial defects often requires the use of locoregional axial pattern flaps such as the caudal auricular, the superficial temporal, or the facial (angularis oris) myocutaneous axial pattern flaps. Recent publications have shown that the facial (angularis oris) flap is a very versatile and reliable flap in orofacial reconstructive surgery. A surgical decision algorithm based on the size, nature, and location of the defect is proposed.
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Albernaz, Vinicius G. P., Michelle L. Oblak, and Juliany G. Quitzan. "Angularis oris axial pattern flap as a reliable and versatile option for rostral facial reconstruction in cats." Veterinary Surgery, July 22, 2021. http://dx.doi.org/10.1111/vsu.13686.

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Dissertations / Theses on the topic "Oris angularis flap. eng"

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Sereno, Maria Guadalupe. "Uso do retalho axial Oris angularis em defeitos palpebrais, associado ou não a aplicação de terapia por ondas de choque extracorpóreas /." Botucatu : [s.n.], 2009. http://hdl.handle.net/11449/88922.

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Orientador: Cláudia Valéria Seullner Brandão<br>Banca: José Joaquim Titton Ranzani<br>Banca: Georgia Nadalini Rodrigues<br>Resumo: O comprometimento anatômico e funcional das pálpebras, por afecções congênitas ou adquiridas, pode repercutir na integridade do bulbo ocular. Entre as técnicas de cirurgia reconstrutivas disponíveis, os retalhos de padrão axial têm a vantagem de possuir o suprimento sanguíneo intrínseco, assegurando irrigação adequada. Quando há a possibilidade de complicações isquêmicas, a aplicação da terapia por ondas de choque extracorpóreas (TOCE) é descrita como técnica de salvamento de retalhos. Na literatura veterinária consultada não há relatos da utilização do retalho de padrão axial oris angularis para a reconstrução palpebral, assim como da aplicação da TOCE como técnica de salvamento do mesmo na região facial periorbitária. O presente trabalho tem como objetivos avaliar a utilização do retalho axial oris angularis, na reconstrução de defeitos experimentais da pálpebra inferior de cães e verificar a atuação da terapia por ondas de choque extracorpóreas (TOCE) nos retalhos, bem como comparar os resultados clínicos e oftalmológicos do retalho com e sem a aplicação da terapia por ondas de choque. Foram utilizados oito cães, os quais foram submetidos ao desenvolvimento experimental do retalho oris angularis para a correção do defeito palpebral; estes foram avaliados por meio de exame clínico e oftalmológico até o período final de 60 dias. A avaliação histológica e morfométrica de amostras de pele submetidas ou não à TOCE, obtidas da região distal do retalho axial, aos 10 dias do pós-operatório, também foi realizada. O retalho de padrão axial oris angularis apresentou resultados funcionais e cosméticos favoráveis em cães. A TOCE, nos parâmetros utilizados e na região periocular, não apresentou diferença de atuação significativa como técnica de salvamento quando comparada à confecção isolada do retalho oris angularis... (Resumo completo, clicar acesso eletrônico abaixo)<br>Abstract: The functional and anatomical compromise of the eyelids by congenital or acquired affections, can affect the integrity of the eye bulb, making necessary reconstructive surgeries techniques. Among the available techniques, axial flaps patterns where describe to cover facial defects, being its vascularization intrinsic, considered an advantage to other techniques, ensuring the appropriate vascularization, and also preserving the facial esthetics. Considering isquemic complications extracorporeal shockwave therapy (ESWT) was described such rescue technique on compromised skin flaps. There are not any veterinary references to use of an oris angularis skin flap to eyelid reconstruction as well ESWT in facial areas. The present study was developed to evaluate the oris angularis axial flap clinical performance on dogs' eyelids experimental defects reconstruction, and ESWT applicability over the distal end of the axial flap. The ophthalmologic exam was performed to determine possible prejudicial interactions between the treatments used and the eye. Eight dogs were ophthalmologic and clinically evaluated for sixty days. The skin samples treated or not with the shock wave therapy, obtained from flap's distal border, where analyzed histological and with morfometry. The oris angularis axial skin flap presented good results, functional and esthetical, on the experimental repair of the dog's eyelids. The ESWT with the protocol used in this study, did not demonstrate significant clinical outcomes as a rescue technique when applied over the oris angularis flap, however results showed no signals of collateral deleterious effects. The flap with or without ESWT did not show any histological sign of inflammatory or atrophic alterations. Both group treated showed similar morphometrical characteristics. The axial oris angularis skin flap was also used to repair large defects on the eyelids and nasal... (Complete abstract click electronic access below)<br>Mestre
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Sereno, Maria Guadalupe [UNESP]. "Uso do retalho axial Oris angularis em defeitos palpebrais, associado ou não a aplicação de terapia por ondas de choque extracorpóreas." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/88922.

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Made available in DSpace on 2014-06-11T19:23:40Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-02-19Bitstream added on 2014-06-13T18:14:47Z : No. of bitstreams: 1 sereno_mg_me_botfmvz.pdf: 1605062 bytes, checksum: 6cebcd988615b0290bc4972f77b75aa2 (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>O comprometimento anatômico e funcional das pálpebras, por afecções congênitas ou adquiridas, pode repercutir na integridade do bulbo ocular. Entre as técnicas de cirurgia reconstrutivas disponíveis, os retalhos de padrão axial têm a vantagem de possuir o suprimento sanguíneo intrínseco, assegurando irrigação adequada. Quando há a possibilidade de complicações isquêmicas, a aplicação da terapia por ondas de choque extracorpóreas (TOCE) é descrita como técnica de salvamento de retalhos. Na literatura veterinária consultada não há relatos da utilização do retalho de padrão axial oris angularis para a reconstrução palpebral, assim como da aplicação da TOCE como técnica de salvamento do mesmo na região facial periorbitária. O presente trabalho tem como objetivos avaliar a utilização do retalho axial oris angularis, na reconstrução de defeitos experimentais da pálpebra inferior de cães e verificar a atuação da terapia por ondas de choque extracorpóreas (TOCE) nos retalhos, bem como comparar os resultados clínicos e oftalmológicos do retalho com e sem a aplicação da terapia por ondas de choque. Foram utilizados oito cães, os quais foram submetidos ao desenvolvimento experimental do retalho oris angularis para a correção do defeito palpebral; estes foram avaliados por meio de exame clínico e oftalmológico até o período final de 60 dias. A avaliação histológica e morfométrica de amostras de pele submetidas ou não à TOCE, obtidas da região distal do retalho axial, aos 10 dias do pós-operatório, também foi realizada. O retalho de padrão axial oris angularis apresentou resultados funcionais e cosméticos favoráveis em cães. A TOCE, nos parâmetros utilizados e na região periocular, não apresentou diferença de atuação significativa como técnica de salvamento quando comparada à confecção isolada do retalho oris angularis...<br>The functional and anatomical compromise of the eyelids by congenital or acquired affections, can affect the integrity of the eye bulb, making necessary reconstructive surgeries techniques. Among the available techniques, axial flaps patterns where describe to cover facial defects, being its vascularization intrinsic, considered an advantage to other techniques, ensuring the appropriate vascularization, and also preserving the facial esthetics. Considering isquemic complications extracorporeal shockwave therapy (ESWT) was described such rescue technique on compromised skin flaps. There are not any veterinary references to use of an oris angularis skin flap to eyelid reconstruction as well ESWT in facial areas. The present study was developed to evaluate the oris angularis axial flap clinical performance on dogs’ eyelids experimental defects reconstruction, and ESWT applicability over the distal end of the axial flap. The ophthalmologic exam was performed to determine possible prejudicial interactions between the treatments used and the eye. Eight dogs were ophthalmologic and clinically evaluated for sixty days. The skin samples treated or not with the shock wave therapy, obtained from flap’s distal border, where analyzed histological and with morfometry. The oris angularis axial skin flap presented good results, functional and esthetical, on the experimental repair of the dog’s eyelids. The ESWT with the protocol used in this study, did not demonstrate significant clinical outcomes as a rescue technique when applied over the oris angularis flap, however results showed no signals of collateral deleterious effects. The flap with or without ESWT did not show any histological sign of inflammatory or atrophic alterations. Both group treated showed similar morphometrical characteristics. The axial oris angularis skin flap was also used to repair large defects on the eyelids and nasal... (Complete abstract click electronic access below)
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Vieira, Raquel Roque Boieiro Formosinho. "Caracterização da artéria angularis oris e a sua aplicação no retalho de modelo axial para a reconstrução plástica de defeitos faciais craniais em Canis familiaris : vantagens comparativas do seu uso relativamente ao retalho de modelo axial da artéria temporalis superficialis." Master's thesis, Universidade de Lisboa, Faculdade de Medicina Veterinária, 2017. http://hdl.handle.net/10400.5/14065.

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Dissertação de Mestrado Integrado em Medicina Veterinária<br>A reconstrução de defeitos faciais craniais apresenta-se como um desafio ao cirurgião, uma vez que a face é uma região com uma baixa disponibilidade de pele, exigindo por isso o recurso a técnicas de retalhos de modelo axial (RMA) cutâneos e/ou mio-cutâneos para a sua realização. Os RMA mais utilizados em cirurgia plástica facial no cão têm por base as artérias auricular caudal, cervical superficial e temporal superficial (temporalis superficialis - TS). Recentemente, o RMA utilizando a artéria angular da boca (angularis oris - AO) tem sido alvo de interesse de estudo. Os objetivos do presente estudo foram: 1) caracterizar anatomicamente a artéria AO quanto ao seu diâmetro e ramos colaterais emitidos; e 2) avaliar angiograficamente a área vascular por ela assegurada num RMA; comparando estes resultados com os obtidos para a artéria TS, no contexto da reconstrução plástica de defeitos faciais craniais. Para tal, foi utilizada uma amostra de 18 cadáveres de canídeos mesocefálicos (N=18), correspondentes a 24 unidades de estudo representadas pelas respetivas hemifaces, dividida em 2 grupos: grupo de estudo anatómico vascular (GAV) e grupo de estudo angiográfico (GAN), cada um dos quais composto por 12 unidades de estudo (n=12). A média do diâmetro da artéria AO foi de 0.65 ± 0.3 mm e de 1.55 ± 0.6 mm para a artéria TS. Quanto à média da área mínima vascularizada, esta foi de 200.9 mm2 para o RMA da AO e de 57.65 mm2 para o RMA da artéria TS. Foi possível concluir que, embora o RMA da TS apresente vasos de maior diâmetro e uma área de vascularização média maior do que o RMA da AO, este último apresenta as vantagens de se encontrar mais próximo das estruturas faciais, implicando uma menor rotação no ponto pivot e uma menor tensão na reconstrução de defeitos. Além disso, o RMA da AO vê a sua rede vascular potenciada pela presença das artérias labiais superior e inferior. Sendo assim, o RMA da AO apresenta-se como uma boa alternativa ao RMA da TS na reconstrução plástica de defeitos faciais craniais no cão.<br>ABSTRACT - CHARACTERIZATION OF THE ANGULARIS ORIS ARTERY AND ITS APPLICATION IN AN AXIAL PATTERN FLAP FOR THE RECONSTRUCTION OF CRANIAL FACIAL DEFECTS IN CANIS FAMILIARIS. COMPARATIVE ADVANTAGES OF ITS USE IN RELATION TO THE TEMPORALIS SUPERFICIALIS AXIAL PATTERN FLAP - Reconstructions of cranial facial defects presents as a challenge to the surgeon, due to the lack of availability that the skin dispose, requiring to resort to cutaneous and/or miocutaneous axial patterns flaps (APF) techniques to perform this kind of procedures. The more commonly used APF for facial reconstruction are the ones based on the caudal auricular, the superficial temporal (temporalis superficialis – TS) and the superficial cervical arteries. Recently, the angularis oris (AO) APF has been scope of research. The present study sought to: 1) anatomically characterize the AO artery’s diameters and collateral branches; and 2) evaluate, by means of angiograms, the AOAPF’s vascularized area; to compare this results to the ones for the TS artery, in the context of plastic reconstruction of facial defects. Therefore, a sample of 18 cadavers of mesocephalic canids (N=18), corresponding to 24 units of study represented by each hemiface, was divided in two groups: one to perform a vascular anatomic study (GAV) and another to execute an angiographic study (GAN), each of them composed by 12 units of study (n=12). The average diameter for AO artery was 0.65 ± 0.3 mm and 1.55 ± 0.6 mm for the TS artery. Regarding to the minimum average vascularized area, it was 200.9 mm2 for the AOAPF, and 57.65 mm2 for the TSAPF. It was possible to conclude that, although the TSAPF has larger diameter vessels and a more extensive average vascularized area than the AOAPF, the last one presents the advantages of being closer to facial structures, implying a reduction in the rotation at the pivot point and a decrease in the tension exerted while reconstructing the defect. Besides that, the AOAPF has its vascular network potentiated by the superior and inferior labial arteries. For that reasons, the AOAPF appears as a suitable alternative to the TSAPF, for the reconstruction of cranial facial defects.<br>N/A
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