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1.
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1513620

ABSTRACT

Introducción: Las personas con una deformación facial comúnmente están expuestas a las críticas o presión, colocando al individuo en situaciones embarazosas. El uso de prótesis es una solución eficiente a las deformidades faciales ya que evita complicaciones quirúrgicas y produce un buen resultado estético cuando no es posible la reconstrucción quirúrgica o se prefiere por el paciente. Objetivo: Caracterizar clínica y epidemiológicamente los pacientes con alteraciones bucomaxilofaciales en la provincia Camagüey. Métodos: Se realizó un estudio descriptivo de serie de casos en el periodo comprendido entre marzo y diciembre de 2022. Se tomó la información existente en las bases de datos y en los trabajos de terminación de la especialidad de Prótesis Estomatológica, realizados entre los años 2001 al 2019. Se utilizó para el análisis de la información, estadística descriptiva para distribución de frecuencias y los resultados finales se incluyeron en tablas. Resultados: La mayoría de los casos fueron pacientes masculinos, de edades entre 46 y 60; los defectos más frecuentes encontrados fueron los oculares. En cuanto al sexo fue evidente una mayor necesidad de prótesis bucomaxilofacial en los hombres y dentro de estas las prótesis oculares. Entre las principales causas de pérdida de estructuras se encontraron los traumatismos y las lesiones oncológicas. Conclusiones: Los defectos bucomaxilofaciales repercuten de forma negativa en la calidad de vida de quienes los padecen; las causas que generan los mismos, las regiones donde más se presentan, el sexo y la edad en que aparecen son elementos a tener en cuenta para un correcta prevención de dichas lesiones pero también permiten establecer pautas de trabajo encaminadas a brindar una atención multidisciplinaria para su rehabilitación protésica e integral.


Introduction: People with a facial deformity are commonly exposed to criticism or pressure, placing the individual in embarrassing situations. The use of prostheses is an efficient solution to facial deformities since it avoids surgical complications and produces a good aesthetic result when surgical reconstruction is not possible or is preferred by the patient. Objective: To characterize clinically and epidemiologically patients with oral and maxillofacial alterations in Camagüey province. Methods: A case report type study was carried out taking the results of the databases, completion works of the Dentistry Prosthesis specialty between the years 2001 and 2019. The study was carried out in the period between March and December 2022. The results were reflected in tables using descriptive statistics for them. Results: Most of the cases were male patients, aged between 46 and 60; the most frequent defects found were the ocular ones. Regarding gender, a greater need for oral and maxillofacial prostheses was evident in men, and within these, ocular prostheses. Among the main causes of loss of structures were traumatisms and oncological lesions. Conclusions: Oral and maxillofacial defects have a negative impact on the quality of life of those who suffer from them; the causes that generate them, the regions where they occur most, the sex and the age in which they appear are elements to take into account for a correct prevention of said injuries but also allow the establishment of work guidelines aimed at providing multidisciplinary care for their prosthetic and integral rehabilitation.

2.
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1520088

ABSTRACT

Introducción: El ojo es un órgano esencial para la relación con el entorno y para el desarrollo del ser humano, es fundamental poseer una adecuada salud visual. Objetivo: Describir la confección de una prótesis ocular para el mejoramiento estético en un paciente con tisis bulbi en ojo derecho. Caso clínico: Paciente masculino, de raza blanca, de 59 años de edad que llega a la consulta de Prótesis del Policlínico Universitario Julio Antonio Mella de la provincia Camagüey remitido de Servicios de Oftalmología con diagnóstico de tisis bulbi del ojo derecho. Al interrogatorio plantea que cuando niño, jugando con su hermano recibió un golpe en el ojo, por el cual fue tratado en el servicio de Oftalmología del Hospital Pediátrico Eduardo Agramonte Piña de la ciudad de Camagüey. Tuvo una pérdida visual progresiva que finalizó en ceguera y cambio de coloración del ojo. Refiere que nunca ha tenido dolor, pero le preocupa su estética. Conclusiones: El tratamiento protésico de la tisis del globo ocular, es una situación desafiante para el equipo rehabilitador, dada las características de este defecto. Con la utilización de este tipo de prótesis oculares en la rehabilitación del paciente, se logró mejorar su estética, lo que condujo a la recuperación física, psíquica y social.


Introduction: The eye is an essential organ for the relationship with the environment, and for the development of the human being it is essential to have adequate visual health. Objective: To describe the preparation of an ocular prosthesis for aesthetic improvement in a patient with phthisis bulbi in the right eye. Clinical case: A 59-year-old white male patient who arrived at the prosthesis clinic of the Julio Antonio Mella University Polyclinic in the province of Camagüey, referred from Ophthalmology Services with a diagnosis of phthisis bulbi of the right eye. Upon interrogation, he states that when he was a child, playing with his brother, he received a blow to the eye, for which he was treated at the ophthalmology service of the Eduardo Agramonte Piña Pediatric Hospital in the city of Camagüey. He had progressive visual loss that ended in blindness and eye color change. He says that he has never had pain, but he is concerned about his aesthetics. Conclusions: The prosthetic treatment of ocular globe phthisis is a challenging situation for the rehabilitation team, given the characteristics of this ocular defect. With the use of this type of ocular prosthesis in the patient's rehabilitation, it was possible to improve their aesthetics, which led to physical, mental and social recovery.

3.
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1439281

ABSTRACT

Introducción: La prótesis bucomaxilofacial constituye la rehabilitación morfofuncional por medios artificiales de las estructuras intrabucales y peribucales en los defectos oculares, orbitales, nasales, auriculares, maxilares, mandibulares, craneales y complejos; con la conservación de modo armónico de las estructuras remanentes ya sean duros o blandos. Objetivo: Caracterizar los pacientes rehabilitados por defectos oculares en el Policlínico Universitario Julio Antonio Mella. Métodos: Se realizó un estudio observacional, descriptivo y transversal desde enero de 2015 a febrero de 2022 en pacientes rehabilitados por defectos oculares en el departamento de Prótesis Estomatológica del Policlínico Universitario Julio Antonio Mella de la ciudad de Camagüey. Se estudiaron 53 pacientes que acudieron en el período de la investigación remitidos del Hospital Universitario Manuel Ascunce Domenech y del Hospital Pediátrico Provincial Docente Eduardo Agramante Piña de la provincia Camagüey. Resultados: Con relación a los pacientes con rehabilitados según edad, sexo y factores etiológicos prevaleció el grupo 35 a 59 años, así como el sexo masculino y el traumatismo ocular. Se constató que la experiencia protésica satisfactoria primó en los periodos evaluados y con respecto a los pacientes rehabilitados según los factores relacionados con la estética, se comprobó que los valores más favorables fueron para el color de la esclera y la apertura palpebral. Conclusiones: Predominó el sexo masculino junto con el grupo de edad de 35 59 años. La causa más frecuente de pérdida ocular fue la traumática. Hubo un alto índice de experiencia satisfactoria con el uso de las prótesis y los factores que determinaron la estética fueron favorables.


Introduction: The bucomaxilofacial prosthesis constitutes the morpho-functional rehabilitation for artificial means of the intraoral and peribucales structures in the ocular defects, orbital, nasal, aural, maxillary, mandibular, cranial and complex; with the harmonic conservation of mode of the remanent structures either be hard or soft. Objetive: To characterize the patients rehabilitated for ocular defects at the Julio Antonio Mella University Polyclinic. Methods: An observational, descriptive and transversal study was carried out from January, 2015 to February, 2022 in patients rehabilitated by ocular defects in the department Dentistry Prosthesis of the Julio Antonio Mella University Polyclinic of the city of Camagüey. 53 patients constituted the universe that attended in the period of the investigation remitted of the Manuel Ascunce Domenech University Hospital and from the Eduardo Agramontes Piña Provincial Pediatric Hospital in the province Camagüey. Results: With respect to the rehabilitated patients according to age, sex and etiologic factors prevailed the group 35 to 59 years, as well as the masculine sex and the ocular traumatism. It was verified that the prosthetic satisfactory experience had priority in the evaluated periods and regarding the patients rehabilitated according to the factors related with esthetics, it was verified that the most favorable values were for the color of the esclera and the palpebral opening. Conclusions: The masculine patients predominated along with the age rank of 35-59 years. The most frequent cause of ocular loose was the traumatic one. There was a tall index of satisfactory experience with the use of the prosthesis and the factors that determined the esthetics were favorable.

4.
Rev. Odontol. Araçatuba (Impr.) ; 41(1): 19-23, jan.-abr. 2020. ilus
Article in Portuguese | LILACS, BBO | ID: biblio-1102361

ABSTRACT

O olho, responsável por um dos nossos cinco sentidos, é considerado a janela das nossas vidas, por onde observamos as paisagens, vivenciamos experiências e registramos as imagens. A ausência parcial ou total desse orgão pode acarretar problemas funcionais, estéticos, pessoais e sociais ao seu portador. Por se encontar na região da face, aréa considerada nobre para a identidade do indivíduo, a deformidade ocular acaba sendo muito constrangedora ao mesmo, dificultando sua interação com o próximo e afetando diretamente seus aspectos psicológicos. O objetivo deste trabalho é apresentar um relato de caso clínico de reabilitação com prótese ocular. Dessa forma foi realizado a seguinte sequência clínica: Moldagem da cavidade ocular, prova e ajustes da esclera artificial, pintura da íris artificial e instalação da prótese finalizada. O tratamento reabilitador possibilitou a restauração da harmonia facial e, com isso, devolveu a autoestima perdida do indivíduo, reinserindo-o à sociedade(AU)


The eye, responsible for one of our five senses, is considered the window of our lives, through which we observe the landscapes, experience and record the images. The partial or total absence of this organ can cause functional, aesthetic, personal and social problems to its bearer. Because it is found in the region of the face, which is considered noble for the identity of the individual, the eye deformity ends up being very embarrassing to it, making it difficult to interact with others and directly affecting their psychological aspects. The aim of this paper is to present a case report of rehabilitation with ocular prosthesis. Thus, the following clinical sequence was performed: Ocular cavity molding, testing and adjustments of the artificial sclera, painting of the artificial iris and installation of the finished prosthesis. The rehabilitative treatment enabled the restoration of facial harmony and, thus, returned the lost selfesteem of the individual, reinserting him to society(AU)


Subject(s)
Humans , Male , Adult , Acrylic Resins , Anophthalmos , Eye, Artificial , Esthetics
5.
Araçatuba; s.n; 2017. 146 p. graf, tab.
Thesis in Portuguese | LILACS, BBO | ID: biblio-911513

ABSTRACT

O controle da formação de biofilme é essencial para manter a saúde da cavidade anoftálmica dos portadores de prótese ocular. As propriedades físicas da resina acrílica, como a sua rugosidade, podem interferir na adesão de microrganismos nas próteses e na formação de biofilmes. Sendo assim, é necessário utilizar soluções de limpeza eficazes e que não causem irritação tecidual na conjuntiva ocular. O objetivo desse trabalho foi verificar a influência da rugosidade de superfície da resina acrílica utilizada na confecção de próteses oculares na formação de biofilme bacteriano, bem como avaliar a eficácia antimicrobiana e citotoxicidade de diferentes soluções para desinfecção de próteses oculares. Para a análise da rugosidade, corpos de prova de resina acrílica foram confeccionados e divididos em 5 grupos de acordo com a granulação de lixa de polimento utilizada: 120, 400, 800, 1200 e 1200S (lixa + sílica). A rugosidade dos corpos de prova foi mensurada por meio de perfilômetro e imagens de Microscopia de Força Atômica foram obtidas para cada grupo. O crescimento das espécies Staphylococcus aureus e Staphylococcus epidermidis sobre os corpos de prova foi avaliado após 4 e 24h, por meio da contagem das Unidades Formadoras de Colônia (UFC)/mL. O efeito dos seguintes tratamentos: soro fisiológico, sabão neutro, clorexidina 4%, pastilhas efervescentes Efferdent®, triclosan 1% e citronela sobre biofilme formado sobre os corpos de prova de resina acrílica também foi avaliado por meio da determinação do número de UFC/mL. A citotoxicidade dos agentes antimicrobianos foi avaliada por meio dos testes de MTT e Neutral Red, após tratamento dos corpos de prova, diariamente, por 1, 7, 15, 30, 60 e 90 dias com as soluções já citadas, sendo avaliados ao fim de cada período. Os dados obtidos foram submetidos à análise estatística adequada, considerando se provinham de dados paramétricos ou não paramétricos. Os resultados demonstraram que os menores valores de rugosidade foram encontrados no grupo 800, 1200 e 1200S. A contagem microbiana foi menor no grupo 1200S e esta diferiu estatisticamente (p>0,05) do controle para ambos os tempos de avaliação e bactérias. Na análise da ação antimicrobiana das soluções para desinfecção, todos os protocolos promoveram redução do crescimento dos microrganismos testados comparados ao controle (crescimento sem a presença do antimicrobiano), sendo que os grupos submetidos ao tratamento com clorexidina 4%, pastilhas efervescentes Efferdent® e triclosan 1% eliminaram o biofilme (p>0,01). Ainda nos ensaios de citotoxicidade, em todos os grupos foi observada proliferação celular das células da conjuntiva acima de 84% (p>0,05). Dessa forma, conclui-se que a rugosidade não interfere significativamente na adesão bacteriana e formação de biofilme, exceto para o grupo 1200S, e que os protocolos de limpeza com imersão em clorexidina 4%, pastilhas efervescentes Efferdent® e triclosan 1% são totalmente eficazes na desinfecção e não apresentam citotoxicidade para com as células da conjuntiva humana, sugerindo sua indicação para desinfecção de próteses oculares(AU)


The control of biofilm formation is essential to maintain the health of anophthalmic cavity of ocular prosthesis wearers. The physical properties of the acrylic resin, such as surface roughness, may interfere with the adhesion of microorganisms to the prostheses. Therefore, it is necessary to use cleaning solutions that are effective and do not cause tissue irritation in ocular conjunctiva. The aim of this study was to verify the influence of surface roughness of the acrylic resin used in the preparation of ocular prosthesis in the formation of bacterial biofilm, as well as to evaluate the antimicrobial efficacy and cytotoxicity of different disinfectants in ocular prostheses. For roughness analysis, acrylic resin samples were prepared and divided into 5 groups according to the granulation of polishing sandpaper used: 120, 400, 800, 1200 and 1200S (sandpaper + silica). The roughness of the samples was measured using a profilometer and Atomic Force Microscopy images were obtained for each group. The microbial growth for Staphylococcus aureus and Staphylococcus epidermidis on the samples was evaluated after 4 and 24 h by counting the Colony Forming Units (CFU)/mL. The effect of the following solutions was also evaluated by CFU/mL: non treated group (immersed in saline solution), neutral soap, 4% chlorhexidine, Efferdent® effervescent tablets, 1% triclosan and citronella. The cytotoxicity of the solutions was evaluated by MTT and Neutral Red after treating the samples daily for 1, 7, 15, 30, 60 and 90 days with the solutions already mentioned, being evaluated at the end of each period. Data were submitted to proper statistical analysis, considering whether data were parametric or non-parametric. The results showed that the lowest roughness values were found in groups 800, 1200 and 1200S. 1200S group also presented the lowest values of microbial growth statistically different from control group (p>0,05), for both periods and bacteria evaluated. In the analysis of the solutions, compared to the control group (microbial growth without the presence of the antimicrobial), all protocols promoted a reduction in the growth of the microorganisms, and the groups submitted to disinfection with 4% chlorhexidine, Efferdent® effervescent tablets and 1% triclosan eliminated the biofilm (p>0,01). In addition, all groups showed cell proliferation of conjunctival cells above 84% in the cytotoxicity assays (p>0,05). Thus, it was concluded that the roughness does not significantly interfere in the adhesion of the microorganisms, except for group 1200S, and that the cleaning protocols with 4% chlorhexidine, Efferdent® effervescent tablets and 1% triclosan are totally effective in the disinfection and do not present cytoxicitiy with human conjunctive cells, what suggests their indication for cleaning of ocular prosthesis(AU)


Subject(s)
Acrylic Resins , Biofilms , Disinfection , Eye, Artificial , Surface Properties , Toxicity
6.
Chinese Journal of Tissue Engineering Research ; (53): 1257-1262, 2014.
Article in Chinese | WPRIM | ID: wpr-444761

ABSTRACT

BACKGROUND:The physical properties of macromolecule ocular prosthesis materials, such as density, hardness, mechanical strength, can affect the working accuracy of ocular prosthesis and can also affect the surface roughness of ocular prosthesis, thus affecting the comfort when the patients wear. OBJECTIVE:To study the differences of different macromolecule ocular prosthesis materials in bubble generation rate, hardness and surface roughness. METHODS:Thirty-seven test pieces, 30 mm×30 mm×2 mm, were made and then divided to seven groups according to their brands, caled groups A, B, C, D, E, F, G, each group of five pieces. One surface of each test piece was polished in accordance with the principle of coarse to fine, the surface roughness of the two surfaces and hardness on the polished surface were measured, and then the bubble formation rate of the material was calculated. RESULTS AND CONCLUSION:The surface roughness values of groups A-G were (0.078±0.016), (0.074±0.019), (0.075±0.022), (0.066±0.020), (0.075±0.017), (0.068±0.015), and (0.067±0.017) μm, respectively. There was no significant difference in the surface roughness between the groups (P > 0.05). The hardness values of groups A-G were 766.92±3.71, 771.84±14.51, 791.20±9.64, 804.50±4.49, 779.00±17.92, 772.20±19.18, 704.00±7.23, respectively. There was a significant difference in the hardness between groups D, G and the other groups (P 0.05). The bubble generation rates of groups A-G were (8.87±0.29)%, (8.29±1.02)%, (6.94±0.43)%, (4.83±0.20)%, (7.59±0.19)%, (8.61±0.25)%, (4.89±0.17)%, respectively. There was a significant difference in the bubble generation rate between groups D, G and the other groups (P 0.05), as wel as between the other groups (P > 0.05). To a certain extent, the smaler the bubble formation rate is, the greater the hardness and the smaler the surface roughness are.

7.
Araçatuba; s.n; 2014. 98 p. tab, ilus.
Thesis in Portuguese | LILACS | ID: lil-755402

ABSTRACT

Uma alternativa segura para reabilitar pacientes com anoftalmia é a utilização de próteses oculares. O conhecimento das propriedades físicas e mecânicas da resina acrílica utilizada na confecção destas próteses é de suma importância. Nanopartículas vêm sendo adicionadas à cadeia polimérica das resinas com o objetivo de melhorar essas propriedades. Assim, o propósito desse estudo foi avaliar a influência da adição de nanopartículas na estabilidade de cor, microdureza e resistência à flexão da resina acrílica N1 específica para confecção da esclera artificial. Para isso, foram confeccionadas 300 amostras. As nanopartículas utilizadas foram Óxido de Zinco (ZnO), Dióxido de Titânio (TiO2) e Sulfato de Bário (BaSO4), nas concentrações de 1, 2 e 2,5%. As amostras foram distribuídas em 10 grupos (n=30) de acordo com o tipo e concentração de nanopartícula associada à resina acrílica N1: controle - sem nanopartícula (C), óxido de zinco 1% (ZnO 1%), óxido de zinco 2% (ZnO 2%), óxido de zinco 2,5% (ZnO 2,5%), dióxido de titânio 1% (TiO2 1%), dióxido de titânio 2% (TiO2 2%), dióxido de titânio 2,5% (TiO2 2,5%), sulfato de bário 1% (BaSO4 1%), sulfato de bário 2% (BaSO4 2%), sulfato de bário 2,5% (BaSO4 2,5%). Os ensaios de leitura de cor, microdureza e resistência à flexão foram realizados antes e após 1008 horas de envelhecimento acelerado. Os dados obtidos foram submetidos à análise estatística, utilizando-se os testes de nested ANOVA e teste de Tukey. Os resultados demonstraram que, comparando-se as diferentes nanopartículas, os grupos com TiO2 apresentaram melhor estabilidade de cor, para todas as concentrações. Em relação ao teste de microdureza, com exceção dos grupos C e com adição de óxido zinco, os valores de microdureza aumentaram após envelhecimento, sendo que, nas concentrações de 1 e 2%, os grupos com TiO2 apresentaram os maiores valores, com diferença estatística significante em relação às outras nanopartículas. Considerando-se a resistência à flexão...


A safe, aesthetic and satisfactory alternative to rehab patients with anofthalmia is the use of ocular prosthesis. It is very important to know about the physical and mechanical properties of the acrylic resin used on this prosthesis production. Nanoparticles have been added to the acrylic resins polymeric chain in order to improve these properties. So, this study aims to assess the influence of nanoparticles addition on the color stability, microhardness, and flexural resistance of artificial sclera N1 acrylic resin. To this purpose, 300 samples were made. The nanoparticles used were Zinc Oxide (ZnO), Titanium Dioxide (TiO2) and Barium Sulfate (BaSO4), at the concentrations of 1, 2 and 2%. Samples were divided into 10 groups (n=30), according to the nanoparticle and concentration associated with the resin: control – without nanoparticle (C); zinc oxide 1% (ZnO 1%) ; zinc oxide 2% (ZnO 2%); zinc oxide 2,5% (ZnO 2,5%); titanium dioxide 1% (TiO2 1%); titanium dioxide 2% (TiO2 2%); titanium dioxide 2,5% (TiO2 2,5%); barium sulfate 1% (BaSO4 1%), barium sulfate 2% (BaSO4 2%); barium sulfate 2,5% (BaSO4 2,5%). The color stability, microhardness and flexural resistance tests were performed before and after 1008 hours of accelerated aging. Data were subjected to statistical analysis using nested ANOVA and Tukey test. The results showed that, comparing the different nanoparticles, the groups with TiO2 showed better color stability at all concentrations. Microhardness values increased after artificial aging, except for groups C and ZnO and groups with TiO2 at 1 and 2% showed the highest statistically significant values compared with the other nanoparticles. Regarding flexural strength, at initial period, there was statistically significant difference between control group and the other groups. By comparing the periods, the C group and with TiO2 showed statistically significant lowest flexural strength values after aging, regardless concentration. It is concluded that…


Subject(s)
Acrylic Resins , Anophthalmos , Color , Eye, Artificial , Hardness , Nanoparticles
8.
Rev. bras. oftalmol ; 72(3): 191-193, maio-jun. 2013. ilus
Article in Portuguese | LILACS | ID: lil-690249

ABSTRACT

Cistos conjuntivais em cavidades anoftálmicas podem ter implicações funcionais e estéticas negativas para os pacientes. Dentre as opções terapêuticas disponíveis, o uso do ácido tricloroacético é relativamente recente. Os casos relatados apresentaram boa evolução após 30 dias do tratamento, sendo bem tolerado pelos pacientes e possibilitando maior preservação de tecido conjuntival...


Conjunctival cysts in anophthalmic socket may have functional and aesthetic implications for the patients.Among the available treatment options, the use of trichloroacetic acid is relatively recent. Our reported cases showed a good outcome after 30 days of treatment, that was well tolerated by patients, with greater conjunctival tissue preservation...


Subject(s)
Humans , Male , Female , Middle Aged , Trichloroacetic Acid/administration & dosage , Trichloroacetic Acid/therapeutic use , Caustics/administration & dosage , Caustics/therapeutic use , Cysts/drug therapy , Conjunctival Diseases/drug therapy , Eye Evisceration , Eye, Artificial , Injections, Intralesional
9.
Arq. bras. oftalmol ; 75(6): 394-397, nov.-dez. 2012. graf, tab
Article in Portuguese | LILACS | ID: lil-675620

ABSTRACT

OBJETIVOS: Avaliar as condutas mais utilizadas no tratamento da cavidade anoftálmica no Brasil, comparando-as com a realidade mundial. MÉTODOS: Estudo exploratório, usando questionário eletrônico enviado pela Internet para oftalmologistas membros da Sociedade Brasileira de Cirurgia Plástica Ocular, Vias Lacrimais e Órbita - SBCPO. As respostas obtidas foram avaliadas por meio de análise de aderência, utilizando o teste do Qui-quadrado. RESULTADOS: Foram recebidos 75 questionários respondidos. Cinquenta e três por cento dos entrevistados tratam cavidade anoftálmica frequentemente e o implante de esfera de polimetilmatacrilato, de 18 mm de diâmetro, é o usado pelos entrevistados na maioria das cirurgias, sendo revestido principalmente com esclera (92%). Apenas sete entrevistados já utilizaram implante acoplado com prótese externa. Oitenta e dois por cento dos entrevistados usam a técnica do enxerto dermoadiposo. O acompanhamento destes pacientes é feito semestralmente pela maior parte dos entrevistados. CONCLUSÃO: O tratamento da cavidade anoftálmica no Brasil geralmente é feito usando a esfera de polimetilmetacrilato, de diâmetro 18 milímetros. Implantes acoplados dificilmente são usados.


PURPOSE: To determine the most common approach to repair the anophthalmic socket in Brazil, and to compare the data with the trends in other countries. METHODS: Exploratory study using electronic questionnaire sent by Internet to ophthalmologists members of the Brazilian Orbit and Oculoplastic Society (SBCPO). The received answers were analyzed by adhesion analysis, using Chi-square test. RESULTS: We received 75 answered questionnaires. Fifty-three per cent of the respondents frequently treat anophthalmic socket and use the 18 mm diameter polymethylmethacrylate sphere in the majority of the surgeries, mainly covered by sclera (92%). Only seven interviewees had used integrated implants with pegging procedure. Eighty-two per cent of the ophthalmologists use the dermolipid graft to reconstruct the anophthalmic socket. They also follow the patients bi-annually. CONCLUSIONS: The treatment of anophthalmic socket in Brazil generally involve polymethylmethacrylate sphere with 18 mm diameter. Pegging procedure is uncommon between us.


Subject(s)
Humans , Anophthalmos/surgery , Orbit/surgery , Orbital Implants/statistics & numerical data , Professional Practice/statistics & numerical data , Brazil , Eye Enucleation/statistics & numerical data , Eye Evisceration/statistics & numerical data , Health Care Surveys , Internet , Ophthalmologic Surgical Procedures/statistics & numerical data , Polymethyl Methacrylate , Prospective Studies , Plastic Surgery Procedures/statistics & numerical data , Surveys and Questionnaires
10.
Rev. bras. oftalmol ; 71(4): 227-232, jul.-ago. 2012. ilus, tab
Article in Portuguese | LILACS | ID: lil-650654

ABSTRACT

OBJETIVO: Alterações oculares, em especial a perda de volume nas cavidades evisceradas, promovem uma série de modificações ao paciente tanto funcional do órgão quanto psicológica e estética. Para tanto a procura de um material de baixo custo e com biocompatibilidade tem sido uma constante na literatura. Portanto, esse trabalho teve como objetivo testar experimentalmente implante de polietileno granulado de ultra-alto peso molecular, material de baixo custo, em órbitas de coelhos submetidos à evisceração cirúrgica em vários tempos experimentais, onde foram avaliados aspectos macroscópicos e microscópicose de toxicidade sistêmica do material. MÉTODOS: Para esse estudo foram utilizados coelhos Oryctolaguscuniculus submetidos à evisceração do globo ocular direito e posteriormente implantados com esfera de polietileno granulado de ultra-alto peso molecular e analisados por 15, 30, 90 e 180 dias pós-implante, com parâmetros macro, microscópios e bioquímicos. Os animais controles foram submetidos ao mesmo procedimento sem, entretanto a colocação do implante. RESULTADOS: Os resultados desse trabalho mostram que o material utilizado no implante de cavidade não apresenta alteração significativa nos parâmetros de peso e bioquímicos quando comparados ao grupo controle. O material implantado apresentou uma grande interação com o tecido do hospedeiro. CONCLUSÃO: Os resultados indicam que implante de polietileno granulado de alto peso molecular desenvolvido por uma indústria nacional tem alto potencial para se realizar testes em humanos.


OBJECTIVE: Ocular changes in special due to volume loss in eviscerated cavities promote several psychological aesthetic and functional alterations to patients. For this reason, searches aiming at finding a material of low cost and biocompatibility have been constantly carried out. Test experimentally the implants constituted of ultra-high molecular weight granular polyethylene oflow cost, in orbits of rabbits subjected to surgical evisceration in several experimental times, evaluating the macro and microscope aspects besides the systemic toxicity of the material. METHODS: In this study we eviscerated the right ocular globe of rabbits of the species Oryctolaguscuniculus, implanted posteriorly a sphere of granular polyethylene of ultrahigh molecular weight and analysed the effects through macro, micro and biochemical parameters during 15, 30, 90 and 180 days after implantation.The control group were submitted the same procedure without the implants. RESULTS: This paper shows that the material used in the cavity does not present significant alteration in the weight and in the biochemistry of the animal; a good assimilation (integration) of the material implanted by the tissue formed was observed inside the implant. CONCLUSION: The results indicate that ultra-high molecular weight granular polyethylene implant developed by a national industry presents excellent integration in the model used supporting further use in tests with humans.


Subject(s)
Animals , Rabbits , Anophthalmos/surgery , Eye, Artificial , Orbital Implants , Orbit Evisceration , Polyethylenes/therapeutic use , Clinical Trial , Prospective Studies
11.
Arq. bras. oftalmol ; 75(4): 267-272, jul.-ago. 2012. ilus, tab
Article in English | LILACS | ID: lil-659622

ABSTRACT

PURPOSE: To evaluate histologically the integration process of cellulose gel produced by Zoogloea sp when implanted into rabbits' eviscerated eyes. METHODS: This experimental study employed 36 eyes of 18 rabbits subjected to evisceration of their right eyes. The sclerocorneal bag was sutured and filled with biopolymer from sugar cane in the gel state. All animals were clinically examined by biomicroscopy until the day of their sacrifice which occurred on the 7th, 30th, 60th, 90th, 120th, or 240th day. The eyeballs obtained, including the left eyes considered controls were sent for histopathological study by optical macroscopy and microscopy. Tissue staining techniques used included hematoxylin-eosin, Masson trichrome (with aniline), Gomori trichrome, Van Gienson, Picrosirius red, and periodic acid-Schiff (PAS). RESULTS: No clinical signs of infection, allergy, toxicity, or extrusion were observed throughout the experiment. The corneas were relatively preserved. Macroscopic examination revealed a decrease of ~ 8% in the volume of the bulbs implanted with the biopolymer. After cutting, the sclerocorneal bag was solid, compact, elastic, and resistant to traction, with a smooth and whitish surface, and showed no signs of necrosis or liquefaction. The episcleral tissues were somewhat hypertrophied. The histological preparations studied in different colors revealed an initial lymphoplasmacytic infiltration, replaced by a fibroblastic response and proliferation of histiocytes, along with formation of giant cells. Few polymorphonuclearneutrophils and eosinophils were also found. Neovascularization and collagen deposition were present in all animals starting from day 30; although on the 240th day of the experiment the chronic inflammatory response, neovascularization and collagen deposition had not yet reached the center of the implant. CONCLUSION: In this model, the cellulose gel produced by Zoogloea sp proved to be biocompatible and integrated into the orbits. Morphometric, immunohistochemical and biodegradability studies should be performed in the future.


OBJETIVOS: Avaliar histologicamente o processo de integração do gel da celulose produzida pela Zoogloe asp implantado em olhos eviscerados de coelhos. MÉTODOS: Estudo experimental utilizando 36 olhos de 18 coelhos. Todos eles tiveram seus olhos direitos eviscerados. A bolsa escleral foi suturada e preenchida com biopolimero da cana de açúcar, no estado gel. Todos os animais foram examinados clinicamente, sob biomicroscopia, até o dia de seus sacrifícios e enucleações que aconteceram no 7º, 30º, 60º,90º,120º e 240º dia. Os bulbos obtidos, inclusive os esquerdos, considerados controles, foram encaminhados para estudo histopatológicos de macroscopia e microscopia óptica. As colorações pela hematoxilina-eosina, tricômio de Masson (com anilina), tricômio de Gomori, Van Gienson e Picrosirius red e ácido periódico de Schiff (PAS) foram usadas. RESULTADOS: Durante o experimento não foram observados sinais clínicos de infecção, alergias, intoxicação ou extrusão. As córneas apresentavam-se relativamente preservadas. Exame macroscópico revelou uma diminuição de aproximadamente 8% no volume dos bulbos nos quais o biopolímero foi implantado. O corte do saco escleral mostrou um conteúdo sólido, compacto, elástico, resistente à tração, com superfície lisa e brancacenta. Não foram observados sinais de necrose, ou liquefação. O tecido epiescleral estava algo hipertrofiado. As preparações histológicas estudadas, nas diversas colorações, revelaram uma infiltração linfomonomorfonuclear inicial, substituída posteriormente por uma resposta fibroblástica e proliferação de histiócitos com formação de células multinucleadas gigantes. Foram também encontrados poucos polimorfonucleares neutrófilos e eosinófilos. A partir do 30º dia houve proliferação vascular e deposição de calágeno em todos os espécimes estudados, embora, no 240º dia do experimento, a resposta inflamatória crônica, a neovascularização e a deposição do colágeno não tinham ainda atingido o centro do implante. CONCLUSÃO: Neste modelo, o gel da celulose produzido pela Zoogloea sp, mostrou-se biocompatível e integrado às órbitas. Estudos morfométrico, imuno-histoquímico e de biodegradabilidade devem ser realizados futuramente.


Subject(s)
Animals , Rabbits , Biocompatible Materials/therapeutic use , Biopolymers/therapeutic use , Eye Evisceration , Orbital Implants , Disease Models, Animal , Microscopy, Acoustic , Time Factors
12.
Arq. bras. oftalmol ; 74(5): 330-334, set.-out. 2011. tab
Article in Portuguese | LILACS | ID: lil-608403

ABSTRACT

A integridade da face é condição que interfere no cotidiano do indivíduo sendo que a perda do globo ocular tem um impacto psicológico, demandando uma condição de adaptação. Intervenções como a reparação protética parecem produzir mudanças nos âmbitos emocional e comportamental. Objetivo: Identificar os aspectos psicossociais relacionados à ausência unilateral do globo ocular e avaliar a adaptação dos pacientes usuários de prótese ocular. Métodos: Para realização da pesquisa foi utilizado como instrumento de coleta de dados um roteiro de entrevista adaptado aos objetivos desse trabalho. Este foi composto por duas partes, a primeira referente a dados gerais de identificação do paciente e aspectos socioeconômicos. A segunda parte incluiu dados específicos sobre a perda e reabilitação ocular com 31 questões. Vinte e oito pacientes voluntários foram entrevistados. Resultados: A maioria era do gênero masculino (53,57 por cento). A idade variou entre 11 e 67 anos. O trauma foi o fator etiológico prevalente (60,71 por cento). Foi encontrada diferença estaticamente significativa (p<0,05) entre os escores dos sentimentos da época da perda e atualmente (z Wilcoxon=-4,41; p<0,001). Conclusão: Os dados evidenciaram dificuldades emocionais no processo inicial de contato com a condição de perda do olho e o papel da prótese como elemento de inclusão social, ressaltando a relevância do trabalho em equipe e do acesso a serviços de protetização para a adaptação desses pacientes.


Facial integrity is a condition which interferes in the daily life of the individual. The loss of an eyeball has psychological impact, requiring adaptation. Interventions such as prosthetic repair seem to lead to emotional and behavioral change. Purpose: The objective of this study was to identify the psychosocial aspects related to unilateral anophthalmic socket and evaluate patient adaptation to prosthesis. Methods: All participants responded to a semi-structured interview. This was composed of two parts, the first regarding the general data of patient identification and socioeconomic aspects. The second part included information about eye loss and rehabilitation, with 31 questions. Twenty-eight volunteers were interviewed. Results: Most were male (53.57 percent). Ages ranged between 11 and 67. Trauma was the prevalent etiological factor (60.71 percent). A significant statistical difference (p<0.05) was found between the scores of the feelings of loss before and after prosthesis (z Wilcoxon=-4.41; p<0.001). Conclusions: The data showed emotional difficulties in the initial contact with the loss of an eye and the role of the prosthesis as an element of social inclusion, stressing the importance of teamwork and access to fitting services in adapting these patients.


Subject(s)
Adolescent , Adult , Aged , Child , Female , Humans , Male , Middle Aged , Young Adult , Eye Injuries/psychology , Eye, Artificial/psychology , Adaptation, Psychological , Cross-Sectional Studies , Eye Injuries/rehabilitation , Interview, Psychological , Socioeconomic Factors
13.
Odonto (Säo Bernardo do Campo) ; 19(37): 73-77, jan.-jun.2011. ilus
Article in Portuguese | LILACS | ID: lil-789953

ABSTRACT

A perda ocular apresenta etiologia congênita ou adquirida, devido a traumas ou patologias. A prevenção e/ou intervenção precoce minimiza seqüelas e os distúrbios de crescimento orbital. A reabilitação, na instalação de uma prótese ocular, visa favorecer o desenvolvimento harmonioso da região. grande incidência das perdas do globo ocular em crianças de 0 a 11 anos é por trauma.Relato do caso: em alguns casos, onde o intervalo entre a cirurgia e a reabilitação protética é prolongada a cavidade orbital apresenta-se atrésica, não permitindo a reabilitação imediata através de prótese ocular individualizada. Nestes casos é indicada uma prótese expansora a fim de devolver o volume necessário para uma perfeita reabilitação. Este trabalho apresenta tal técnica através de um caso clínico.Conclusão: é importante frisar que a boa condução do caso clínico permite crescimento e desenvolvimento normal dos pacientes acometidos...


The eye loss has congenital or acquired etiology due to trauma or diseases. The prevention or early intervention minimizes sequelae and disturbances in orbital growth. Rehabilitation in the installation of an ocular prosthesis intends to promote the harmonious development of the region, the higher incidence of eye losses in children from 0 to 11 years is due to trauma.Case report: in some cases, where the interval between surgery and prosthetic rehabilitation is prolonged orbital cavity becomes atresic, not allowing immediate rehabilitation through individualized prosthesis. In these cases a prosthetic expander is recommended in order to obtain the volume needed for a full rehabilitation.Conclusion: this paper presents such technique on a clinical case. It is important to highlight that a proper conduction of the clinical case allows normal growth and development of affected patients...


Subject(s)
Humans , Male , Child , Eye, Artificial , Tissue Expansion Devices , Eye Injuries/rehabilitation , Prosthesis Design , Treatment Outcome
14.
Chinese Journal of Medical Aesthetics and Cosmetology ; (6): 308-312, 2009.
Article in Chinese | WPRIM | ID: wpr-380508

ABSTRACT

Objective To evaluate the clinical effect of the procedure that involves drilling and inserting a motility peg at the time of hydroxyapatite orbital implant.Methods 89 patients who needed hydroxyapatite orbital implant were divided into groups A and B.The patients in group A were drilled and inserted a motility titanium peg when hydroxyapatite implantation.The patients in group B were drilled and inserted a motility titanium peg 6 months after hydroxyapatite implantation.Data were recorded.including the rate of postoperative pain and conjunctive edema,postoperative facial appearance,motility of the artifieial eye,the rate of hydroxyapatite exposure,excursion and extrusion of titanium peg and other complications.Results The mobility of the prosthesis was 44.97%in group A,and 45.34%in group B.There was no difference in appearance and the motility of their artificial eye between the two groups.The rate of excursion of titanium peg was 4.2% in group A and 7.3%in group B and no statistical difference was found between the two groups.There were no prosthesis exposure,extrusion of titanium peg,secondary infeetion and other complication in one-year follow-up.There were no difference in the rate of postoperative pain and eonjunctive edema in first operative stage.The postoperative reaction in group A was lighter than that in group B in secondary operanve stage.Conclusion The hydroxyapatite orbital implant primary procedure drilling is simple,safe,convenient and effective.It is worth to recommend that procedure that involves drilling and inserting a motility peg at the time of hydroxyapatite orbitaI primary implant.

15.
Arq. bras. oftalmol ; 71(6): 855-859, nov.-dez. 2008. graf, tab
Article in Portuguese | LILACS | ID: lil-503453

ABSTRACT

OBJETIVO: Avaliar o perfil biopsicossocial de portadores de anoftalmia, com ênfase no impacto psicológico e funcional da perda ocular e na reintegração social dessa população. MÉTODOS: Realizou-se estudo transversal com 84 pacientes (50 do gênero masculino e 34 do feminino), reabilitados ou em processo de reabilitação com próteses oculares, avaliados por meio de questionário que contemplava dimensões como: etiologia da perda ocular, grau de adaptação à prótese e impacto nas atividades profissionais, sociais e escolares. RESULTADOS: O olho direito foi afetado em 45,2 por cento dos pacientes, o olho esquerdo em 51,2 por cento, e os demais apresentavam anoftalmia bilateral. Relataram dificuldade, atual ou já superada, de adaptação à visão monocular 47,5 por cento dos participantes. No gênero masculino as principais causas da anoftalmia foram os traumatismos oculares por acidentes (54 por cento), e no feminino, as doenças adquiridas (38,2 por cento). Na população estudada, a perda ocular ocorreu, em média, aos 20,5 ± 18,4 anos, e o tempo decorrido até a primeira reabilitação protética foi de 8,6 ± 13,1 anos. A maioria dos pacientes (66,1 por cento) relatou satisfação e boa adaptação à prótese ocular. Sentimentos de tristeza, vergonha e timidez foram freqüentemente relatados. CONCLUSÃO: Pacientes com anoftalmia freqüentemente apresentam transtornos psíquicos e/ou funcionais que dificultam sua readaptação ao meio social, profissional e familiar, o que é agravado por fatores econômicos e pela carência de serviços públicos que ofereçam tratamento reabilitador. A realização de campanhas de esclarecimento à população também pode ser útil para a prevenção das causas que levam à perda ocular.


PURPOSE: To evaluate the biopsychosocial profile of patients with anophthalmia, with emphasis on the psychological and functional impact of eye loss and the social reintegration of this population. METHODS: Prospective analyses of 84 patients (50 males and 34 females), rehabilitated or in the rehabilitation process with ocular prostheses were interviewed by means of a questionnaire with dimensions involving the etiology of the ocular defect, degree of adaptation to the ocular prosthesis, and impact on professional, family and social activities. RESULT: The right eye was affected in 45.2 percent of the patients, the left eye in 51.2 percent, and the rest of the patients had bilateral anophthalmia. Difficulty in adapting to monocular vision was reported by 47.6 percent of the patients. The main causes of anophthalmia in males were eye injuries due to accidents (54 percent), and, in females, acquired diseases (38.2 percent). For the total studied population, the eye loss occurred at a mean of 20.5 ± 18.41 years, and the elapsed time until the first rehabilitation with ocular prosthesis was of 8.6 ± 13.10 years. Most patients (66.1 percent) reported satisfaction and good adaptation to the prosthesis. Feelings of sadness, shame and shyness were frequently reported. CONCLUSION: Anophtalmic patients often exhibit psychic and/or functional disorders which hinder their social, professional and family readaptation, and this is aggravated by both economic factors and lack of public services that provide rehabilitative treatment. Public information campaigns could also be useful to prevent causes that lead to ocular loss.


Subject(s)
Female , Humans , Male , Anophthalmos/psychology , Eye, Artificial/psychology , Recovery of Function/physiology , Social Adjustment , Anophthalmos/etiology , Anophthalmos/surgery , Brazil , Cross-Sectional Studies , Eye Injuries/complications , Patient Satisfaction/statistics & numerical data , Prosthesis Fitting/psychology , Time Factors
16.
Arq. bras. oftalmol ; 70(5): 831-838, set.-out. 2007. ilus, tab
Article in English | LILACS | ID: lil-470102

ABSTRACT

PURPOSE: To compare artificial eye amplitudes in enucleated socket with porous polyethylene either spherical or quad-motility implant and study the characteristics of artificial eyes fit with the two orbital implants. METHODS: A total of 21 patients were prospectively studied who underwent enucleation because of an intraocular melanoma and the randomization defined a porous polyethylene either spherical or quad-motility orbital implant. Measurements of the amplitude of the artificial eye were obtained with prism and digital photos. The software Scion Image analyzed the digital photos (www.scioncorp.com) and the quantitative data were allocated to groups. The measurements (height, length, thickness) and weight of the 21 artificial eyes were analyzed. Student's t-test was performed to determine the significance of difference between groups (p<0.05). RESULTS: There was no statistically significant difference of the artificial eye amplitude analyzed by means of prisms between both orbital implants (p>0.05 for all directions). On analyzing the digital photos, the artificial eye with spherical implant showed higher artificial eye amplitude downward (p=0.009) among patients older than 55 years old, rightward (p=0.036) and downward (p=0.008) among the 9 patients with enucleated right eye. Height and length were similar in the 21 artificial eyes but those artificial eyes fit with quad-motility orbital implants were statistically significant thicker (p<0.001) and heavier (p=0.001). CONCLUSIONS: The similar amplitude of movement of artificial eyes was observed with both spherical and quad-motility orbital implants. Artificial eyes fit with quad-motility orbital implant are significantly thicker and heavier than those fit with spherical orbital implant.


OBJETIVOS: Comparar a amplitude de movimento da prótese ocular em cavidade enucleada e com implante orbitário esférico e "quad-motility" e estudar as características das próteses oculares adaptadas com os dois modelos de implantes orbitários. MÉTODOS: Vinte e um pacientes foram prospectivamente estudados após a enucleação devido a melanoma intra-ocular e cuja randomização definiu o implante orbitário de polietileno poroso nos modelos esférico e "quad-motility". Medidas da amplitude da prótese ocular foram obtidas com prisma e fotografia digital. O programa Scion Image analisou as fotos digitais (www.scioncorp.com) e os resultados foram distribuídos por grupos. As medidas (altura, comprimento, espessura) e o peso das 21 próteses também foram analisados. O teste de t foi realizado para determinar a significância da diferença entre os grupos (p<0,05). RESULTADOS: Não houve diferença significante na amplitude do movimento das próteses oculares, analisada com a interposição do prisma em ambos implantes orbitários (p>0,05 em todas as posições). Ao analisar a fotografia digital, as próteses adaptadas com implante esférico apresentaram maior amplitude de movimento na infraversão (p=0,009) para pacientes acima de 55 anos, infraversão (p=0,008) e dextroversão (p=0,036) nos nove pacientes com o olho direito enucleado. Altura e comprimento foram similares nas 21 próteses oculares. Próteses oculares adaptadas com implante "quad-motility" foram significantemente mais espessas (p<0,001) e pesadas (p=0,001). CONCLUSÕES: A amplitude de movimento das próteses oculares foi similar nos implantes esférico e "quad-motility". As próteses oculares adaptadas com implante "quad-motility" são significantemente mais espessas e pesadas do que as adaptadas com implante esférico.


Subject(s)
Adult , Aged , Aged, 80 and over , Female , Humans , Male , Middle Aged , Eye Enucleation , Eye, Artificial , Eye Movements/physiology , Polyethylenes , Prosthesis Implantation , Data Interpretation, Statistical , Orbital Implants , Porosity , Prospective Studies , Photography/methods
17.
Chinese Journal of Medical Aesthetics and Cosmetology ; (6)2001.
Article in Chinese | WPRIM | ID: wpr-538270

ABSTRACT

Objective To evaluate the middle and long term effects of the two-stage procedures of drilling for hydroxyapatite orbital implant and inserting a motility peg, and to investigate the pathogenesis and treatment of the various complications during the procedure. Methods This retospective study included 68 patients who had underwent the drilling of the hydroxyapatite and motility peg placement for over 3 years. Mean age at operation was 30.7 years (range from 17~60 years). All patients were placed plastic peg. Information recorded included pre-and post-operative facial appearance, motility of the artificial eye, conjunctival sac discharge and other complications. Results No secondary infection occured in 36~72 months of follow up. All patients felt that there had been an improvement in the motility of their artificial eye. And their cosmetic appearance was acceptable. The most frequent complication encountered was discharge from conjunctiva sac, which occurred in 31 patients. Extrusion of the motility peg was found in 6 patients. 5 patients had exuberant granulation in conjunctiva sac. Conclusion Drilling of the hydroxyapatite implant improves both the appearance and the motility of the artificial eye. Complications are minor and can be easily prevented and treated. The vascularization of HA sphere with good motility should be drilled at relatively larger conjunctival sac in the patients who can cooperate under local anesthesia.

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