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1.
Belo Horizonte; s.n; 2017. 121 p. graf, tab.
Thesis in Portuguese | LILACS, BDENF | ID: biblio-983351

ABSTRACT

Este estudo é uma coorte histórica, com informações de 517 pacientes submetidos à cirurgia ortopédica com implante da Rede SARAH Hospitais de Reabilitação, unidade de Brasília, entre os meses de janeiro de 2010 a julho de 2015. Teve como objetivo geral analisar os aspectos epidemiológicos das infecções de sítio cirúrgico em cirurgias ortopédicas com implante. Como objetivos específicos, pretendeu-se estimar a incidência global da infecção, estimar a incidência de infecção por topografia, por tipo de cirurgia, segundo ASA e potencial de contaminação da ferida operatória, identificar possíveis fatores de risco para ocorrência da infecção, identificar os microrganismos responsáveis pela infecção e propor um modelo de predição de risco com as variáveis estudadas. Para alcançar os objetivos propostos, analisaram-se os dados descritivamente através de frequência simples e medidas de tendência central como média mediana e variabilidade desvio-padrão. Em seguida realizou-se modelo de regressão logística GEE para verificar os possíveis fatores de risco associados à infecção de sítio cirúrgico. A população foi caracterizada por pacientes do sexo feminino, com média de idade 58 anos e estar acima do peso corporal (IMC >25kg/m²). Foram diagnosticadas 22 ISC, com incidência global de 3,5% [IC95% 2,1-5,5]. As infecções superficiais foram as mais incidentes (1,4%) e dentre os procedimentos cirúrgicos, as artroplastias de quadril tiveram a taxa mais alta de infecção (4,2%). A incidência de infecção em pacientes classificados com ASA III e IV (6,9%) foi maior do que nos classificados com ASA I e II (2,6%) e a taxa de infecção foi maior em cirurgias classificadas como potencialmente contaminadas e contaminadas (15,6%), enquanto as cirurgias limpas cirurgias limpas a incidência foi de 2,6%. O S. aureus foi o microrganismo mais prevalente. . O modelo de ajustefinal definiu como fatores para infecções cirúrgicas ortopédicas com implante:...


This study is a historical cohort with information from 517 patients submitted to orthopedic surgery with implantation of the SARAH Network of Rehabilitation Hospitals, Brasília unit, from January 2010 to July 2015. Its general objective was to analyze the epidemiological aspects of infections of surgical site in orthopedic surgeries with implant. As a specific objective, it was intended to estimate the global incidence of infection, to estimate the incidence of infection by topography, by type of surgery, according to ASA and potential for wound infection, to identify possible risk factors for infection, to identify microorganisms Responsible for the infection and to propose a model of risk prediction with the studied variables. To reach the proposed objectives, data were analyzed descriptively through simple frequency and measures of central tendency as median mean and standard deviation variability. A GEE logistic regression model was then performed to verify the possible risk factors associated with surgical site infection. The population was characterized by female patients, with a mean age of 58 years and being overweight (BMI> 25kg / m²). Twenty-two ISCs were diagnosed, with a global incidence of 3.5% [95% CI 2.1-5.5]. The superficial infections were the most incidental (1.4%) and among the surgical procedures, hip arthroplasties had the highest rate of infection (4.2%). The incidence of infection in patients classified as ASA III and IV (6.9%) was higher than those classified as ASA I and II (2.6%) and the incidence of infection in clean surgeries was 2.6%. That in potentially contaminated and contaminated surgeries was 15.6%. S. aureus was the most prevalent microorganism. The final adjustment model defined as factors for implant orthopedic surgical infections:...


Subject(s)
Humans , Orthopedics , Prostheses and Implants/statistics & numerical data , Risk Factors , Surgical Wound Infection/epidemiology , Rehabilitation Centers , Rehabilitation Services , Retrospective Studies , Socioeconomic Factors
2.
Acta cir. bras ; 26(4): 247-252, July-Aug. 2011. ilus
Article in English | LILACS | ID: lil-594342

ABSTRACT

PURPOSE: Analyze the morphological and structural outcomes of a patch of expanded polytetrafluoroethylene in the treatment of an iatrogenic injury of the common bile duct. METHODS: In Group 1 (Sham), 7 dogs underwent 3 laparotomies with intervals of 30 days between them. In Group 2, 10 dogs underwent transient common bile duct obstruction. After 30 days, this biliary occlusion was undone and a patch of expanded polytetrafluoroethylene replaced a fragment removed from the duct's wall. Thirty days after this last surgery, cholangiographic assessment of prosthesis patency and macro and microscopic evaluation of the biliary tract were performed. Daily clinical inspection completed the study outcomes. The Wilcoxon non-parametric test was used for statistical analysis. RESULTS: In all dogs enlargement of the biliary tree diameter was observed 30 and 60 days after the first surgical procedure. Partial adhesion of the patch to the common bile duct as a free luminal foreign body was found in 6 dogs. The prosthesis was completely integrated to surrounding tissue in the remaining four. CONCLUSION: Although a feasible option for the treatment of biliary duct iatrogenic lesions, the expanded polytetrafluoroethylene prosthesis must be used with caution considering the potential risks for complications.


OBJETIVO: Analisar, evolutivamente, a morfologia e a estrutura de um fragmento de politetrafluoretileno expandido utilizado no tratamento de uma lesão iatrogênica do ducto biliar comum. MÉTODOS: No grupo 1 (Simulação), sete cães foram submetidos a três laparotomias com intervalos de 30 dias entre elas. No grupo 2, em dez cães realizou-se uma obstrução tansitória do ducto biliar comum. Após 30 dias, a oclusão biliar foi desfeita e um fragmento da parede ductal foi substituído por um retalho de politetrafluoretileno expandido. Trinta dias após esta última operação, foram efetuadas uma avaliação colangiográfica da perviedade da prótese e uma análise macro e microscópica do trato biliar. Inspeções clínicas diárias completaram o estudo evolutivo. O teste não paramétrico de Wilcoxon foi utilizado para análises estatísticas. RESULTADOS: Decorridos 30 e 60 dias do primeiro procedimento cirúrgico, observou-se, em todos os cães, aumento do diâmetro da árvore biliar. Em seis cães verificou-se a presença do fragmento da prótese parcialmente aderido à parede do ducto biliar comum e também solta no lúmen da via biliar. A prótese estava completamente integrada aos tecidos circunvizinho nos demais quarto animais. CONCLUSÃO: A prótese de politetrafluoretileno expandido apresenta-se como uma opção factível para o tratamento das lesões iatrogênicas do ducto biliar, entretanto, deve ser utilizada com cautela, considerando o risco potencial de complicações.


Subject(s)
Animals , Dogs , Common Bile Duct/injuries , Prostheses and Implants , Polytetrafluoroethylene/therapeutic use , Biliary Tract Surgical Procedures/methods , Cholangiography , Materials Testing , Organ Size , Postoperative Period , Prostheses and Implants/adverse effects , Time Factors , Treatment Outcome
3.
Surg. cosmet. dermatol. (Impr.) ; 3(2): 163-165, jun. 2011. ilus
Article in Portuguese | LILACS, CONASS, SES-SP, SESSP-ILSLPROD, SES-SP, SESSP-ILSLACERVO, SES-SP | ID: lil-606414

ABSTRACT

Reconstruções do pavilhão auricular são complexas, principalmente quando há perda do suporte cartilaginoso. Relata-se caso de correção de defeito condrocutâneo após exérese de carcinoma basocelular no terço superior do pavilhão auricular, utilizando fibra de silicone com o objetivo de moldagem e sustentação da orelha. Demonstra-se opção do usode enxertos de cartilagem ou compostos no pavilhão auricular.


Subject(s)
Silicones/therapeutic use , Transplants , Ear/surgery , Carcinoma, Basal Cell/surgery
4.
Araraquara; s.n; 2011. 120 p. ilus, tab.
Thesis in Portuguese | LILACS, BBO | ID: biblio-866363

ABSTRACT

Com o objetivo de prevenir o afrouxamento, parafusos do pilar com lubrificantes sólidos de superfície foram desenvolvidos e introduzidos no mercado. Assim, foi proposto avaliar a efetividade de parafusos de liga de titânio com e sem tratamento de superfície sobre a estabilidade de pilares em zircônia (ZrO2) após carga cíclica, bem como observar alterações estruturais por meio de microscopia eletrônica de varredura (MEV). Para isso, 20 pilares UCLA em ZrO2 foram fixados sobre implantes do tipo hexágono externo com torque de 20 Ncm e divididos em 2 grupos (n=10), conforme o parafuso do pilar: (A) pilar-implante e parafuso de liga de titânio (Ti); (B) pilar-implante e parafuso de liga de titânio com cobertura Diamond Like Carbon (DLC/Ti). O valor do torque reverso (pré-carga) foi mensurado antes e após o carregamento. O teste foi realizado de acordo com a norma ISO 14801. Cargas cíclicas (0,5 x 106; 15 Hz) entre 11 - 211 N foram aplicadas com 30º de inclinação em relação ao longo eixo dos implantes. As médias dos grupos foram calculadas e comparadas utilizando análise de variância de dois fatores e testes F (α=0,05). Os resultados mostraram que antes do carregamento a média do grupo Ti foi significativamente maior que a do grupo DLC/Ti (p=0,021). Após o carregamento ambas as médias 14 diminuíram significativamente, sem diferença significante entre elas (p=0,499). As imagens obtidas na MEV revelaram micro-fraturas na base de assentamento do pilar. Nas condições estudadas, concluiu-se que: (1) os parafusos estudados apresentaram efetividade similar com relação à manutenção da pré-carga; (2) a redução significativa no torque reverso e os danos observados na MEV indicam que o acompanhamento dos pacientes é necessário para assegurar a longevidade das restaurações de ZrO2 implanto-suportadas.


In an attempt to prevent screw-loosening problem, abutment screws with surface treatment were developed. Thus, the aim of the current study was to evaluate comparatively the effectiveness of titanium alloy coated screws and noncoated screws on the stability of ZrO2-ceramic abutments after cyclic loading, as soon as observe possible microdamaging in the structure of the components using a scanning electron microscope (SEM). For this, 20 prefabricated ZrO2-ceramic UCLA abutments were tightened to 20 Ncm on their respective external hex implants and divided equally into 2 groups (n=10), according to the type of screws used: (A) implant-abutment and noncoated titanium alloy screw (Ti); (B) implant–abutment and titanium alloy screw with Diamond Like Carbon surface coating (DLC/Ti). The reverse torque value (preload) of the abutment screw was measured before and after loading. The tests were performed according to ISO norm 14801. A cyclic loading (0,5 x 106; 15 Hz) between 11 - 211 N was applied at an angle of 30 degrees to the long axis of the implants. Group means were calculated and compared using ANOVA and F tests (α=0,05). The results showed that before cyclic loading, the mean of Ti group was significantly higher than the DLC/Ti group (p=0,021). After cyclic loading, both means decreased significantly, with no significant differences 16 between them (p=0,499). Under the studied conditions, it can be concluded that: (1) the two abutment screw types presented similar effectiveness in maintaining preload; (2) the significant decrease in reverse torque values and the microdamaging detected at SEM analysis indicate that patient follow-up is needed to ensure the integrity of the ZrO2-ceramic single-implant restorations.


Subject(s)
Microscopy, Electron, Scanning , Torque , Dental Implantation, Endosseous , Biomechanical Phenomena , Prostheses and Implants , Titanium , Zirconium
5.
Chinese Journal of Primary Medicine and Pharmacy ; (12): 398-399, 2009.
Article in Chinese | WPRIM | ID: wpr-395747

ABSTRACT

Objective To summarize the experiences of tension-free method in inguinal hernia recurrence.Methods Using the PHS Ethicon Ine,42 patients with recurrent hernia were performed tension-free hemioptasty.Results The operation time was from 40 to 150 minutes.The patients could walk up within 1 d after the procedure.No incision infection was found.The eomplicatiom included 4 retention of urine.3 large serotal hematoma requiring surgical drainage.The follow-up period ranged from 6 months to 3 years,no recurrence and foreign body sensation in inguinal region were observed.Conclusion PHS call be anatomically adapted to repairing and augmenting the myopectineal orifice.It is suitable to the patients with recurrent inguinal hernia.

6.
Arq. bras. oftalmol ; 71(2): 153-161, mar.-abr. 2008. ilus, tab
Article in Portuguese | LILACS | ID: lil-483019

ABSTRACT

OBJETIVO: Avaliar o uso de implantes de compósito de matriz polimérica e biocerâmica na reconstrução do complexo zigomático orbitário e seu comportamento através de variáveis clínicas e tomográficas em seis pacientes. MÉTODOS: Foram selecionados seis pacientes portadores de deformidades faciais secundárias a fraturas órbito-zigomáticas graves (n=3) e a seqüelas da radioterapia e enucleação decorrentes do tratamento de retinoblastoma na infância. Este estudo foi submetido a avaliação e aprovação pelo Comitê de Ética em Pesquisa envolvendo seres humanos da Universidade Federal de Minas Gerais, instituição aonde a pesquisa vêm sendo desenvolvida (ETIC203/04). RESULTADOS: Em um ano de acompanhamento após a implantação do material demonstraram ausência de reações inflamatórias locais. Os achados tomográficos demonstraram bom posicionamento do implante, não ocorrendo migrações ou deslocamentos, ausência de coleções ou reações de partes moles peri-implante e manutenção da projeção das partes moles suprajacentes ao implante na região da deformidade preexistente. CONCLUSÃO: Os compósitos têm demonstrado bons resultados para a reconstituição do esqueleto craniofacial. O biomaterial utilizado neste estudo alia biocompatibilidade à tecnologia nacional ampliando as possibilidades da sua utilização a menor custo.


PURPOSE: To evaluate through clinical and tomographic parameters implant behavior in orbital zygomatic reconstruction in six patients. METHODS: The subjects for this preliminary study consisted of six anophthalmic socket patients (3 patients presented residual orbital zygomatic deformities after complex facial fractures and 3 patients presented orbital zygomatic retraction after enucleation and radiotherapy to treat retinoblastoma in infancy). These deformities were surgically corrected with this composite implant. This study was approved and authorized by the Universidade Federal de Minas Gerais Ethical Committee for Research in Human Subjects (ETIC 203/04). Clinical data and tomographic images were utilized to assess the outcome of this study. RESULTS: There were no complications and tomographic findings revealed no implant reactions or migration and a good maintenance of soft tissue projection in the operated areas was achieved. Success of outcome in this preliminary study were encouraging. CONCLUSION: This study will be continued enrolling a larger sample and longer follow-up. Composite biomaterials have presented a good outcome in facial reconstructive surgery. The composite implants in this group have a good biocompatibility and combined with national technology can reduce costs providing more possibilities to many more patients.


Subject(s)
Adolescent , Adult , Female , Humans , Male , Middle Aged , Young Adult , Anophthalmos/surgery , Biocompatible Materials/chemistry , Orbital Implants , Orbital Fractures , Plastic Surgery Procedures , Zygomatic Fractures , Anophthalmos/etiology , Biocompatible Materials/therapeutic use , Ceramics , Eye Enucleation , Orbit , Orbit/surgery , Orbital Fractures/surgery , Polymers , Postoperative Period , Treatment Outcome , Young Adult , Zygoma/injuries , Zygoma/surgery , Zygomatic Fractures/surgery
7.
Orthopedic Journal of China ; (24)2006.
Article in Chinese | WPRIM | ID: wpr-544257

ABSTRACT

[Objective]To evaluate the mid-term and long-term clinical outcome of total hip replacement in patients with congerital acetabular dysplasia.[Method]Twenty-five hips in 23 patients diagnosed as congemtal acetabular dysplasia were treated with total hip replacement.According to the classification ofPemer,17 hips belonged to type Ⅰ,5 type Ⅱ,2 type Ⅲ,and 1 type Ⅳ.The fixation of the prosthetic components was as follows: 5 cups and 7 stems with cement,20 cups and 18 stems with un-cement.[Result]The complications included femur trochanter fracture in 1 case,deep vein thrombosis in 1 case,limb discrepancy in 3 cases,All patients were followed.up with the duration of 8.2 years(3 to 11 years).The preoperative Harris hip score ranged from 25 to 59(average 44.5).After the operation,the pain was completely relieved and the Harris hip score ranged from.63 to 97(average 85.6).[Conclusion]Total hip replacement in congenital acetabular dysplasia could be somewhat difficult,because of the liability to complications.The technical difficulties encountered during surgery included the correction of the length of bilateral lower extremity,the balance of the abductor muscles,the release of the soft tissue,the dealing of the superior seganental defect of acetabulum and selection of the components.

8.
Korean Journal of Pediatrics ; : 917-929, 2006.
Article in Korean | WPRIM | ID: wpr-181341

ABSTRACT

Over the last several decades there has been a remarkable change in the therapeutic strategy of congenital heart disease. Development of new tools and devices, accumulations of experience, technical refinement have positively affected the outcome of interventional treatment. Many procedures including atrial septostomy, balloon valvuloplasty, balloon dilation of stenotic vessel with or without stent implantation, transcatheter occlusion of abnormal vascular structure, transcatheter closure of patent arterial duct and atrial septal defect, are now performed as routine interventional procedures in many institutes. In diverse conditions, transcatheter techniques also provide complementary and additive role in combination with surgery. Intraoperative stent implantation on stenotic vessels, perventricular device insertion, and hybrid stage 1 palliative procedure for hypoplastic left heart syndrome have been employed in high risk patients for cardiac surgery with encouraging results. Transcatheter closure of ventricular septal defect has been performed safely showing comparable result with surgery. Investigational procedures such as percutaneous valve insertion and valve repair are expected to replace the role of surgery in certain group of patients in the near future. Continuous evolvement in this field will contribute to reduce the risk and suffering from congenital heart disease, while surgery will be still remained as a gold standard for significant portion of congenital heart disease.


Subject(s)
Humans , Academies and Institutes , Balloon Valvuloplasty , Catheterization , Embolization, Therapeutic , Heart Defects, Congenital , Heart Septal Defects, Atrial , Heart Septal Defects, Ventricular , Hypoplastic Left Heart Syndrome , Stents , Thoracic Surgery
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