Academic literature on the topic 'Cranioplastica'
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Journal articles on the topic "Cranioplastica"
Józsa, László, and Erzsébet Fóthi. "Cranial surgery and cranioplastica in Hungarian conquest period." Orvosi Hetilap 149, no. 10 (March 1, 2008): 469–72. http://dx.doi.org/10.1556/oh.2008.h-2168.
Full textManó, Sándor, Kornélia Kovács, Ágnes Éva Kovács, Loránd Csámer, and Zoltán Csernátony. "3D nyomtatás és csontcement alapú cranioplastica mérése mechanikai szempontból." Biomechanica Hungarica 13, no. 1 (December 2020): 29–39. http://dx.doi.org/10.17489/biohun/2020/1/03.
Full textDrapkin, Allan J. "Hidrocéfalo, es una complicación o una consecuencia de la craniectomía descompresiva?" Revista Chilena de Neurocirugía 45, no. 3 (December 19, 2019): 216–18. http://dx.doi.org/10.36593/rev.chil.neurocir.v45i3.137.
Full textLinney, A. D., A. C. Tan, R. Richards, J. Gardener, and W. R. Lees. "Visualizzazione tridimensionale del corpo umano per diagnosi e per programmazione chirurgica." Rivista di Neuroradiologia 5, no. 4 (November 1992): 483–88. http://dx.doi.org/10.1177/197140099200500412.
Full textAlvim, Jair Pimentel, Leandro Ururahy de Carvalho, Claudio Russio de Oliveira, Carlos Kossak, Paolo Souto Maior, Gustavo Teles, and Igor Saint Clair. "Protótipo para realização de cranioplastia de baixo custo." Arquivos Brasileiros de Neurocirurgia: Brazilian Neurosurgery 33, no. 04 (December 2014): 318–22. http://dx.doi.org/10.1055/s-0038-1626233.
Full textSouza, Lucas Santos, Ainatna Adgena de Carvalho Santos, João Victor de Andrade Carvalho, Amanda Gomes Lima Bezerra, Alexia Morgana Santos Sales, Marco Antonio Silva Robles, Luciana Montalvão Gois Figueiredo de Almeida, Maria Clara da Silva Castro, Nathan Correia Freire, and Bruno Fernandes de Oliveira Santos. "Risco infeccioso do uso de biomateriais para cranioplastia: polimetilmetacrilato vs. osso autólogo." Research, Society and Development 11, no. 8 (June 6, 2022): e0511830483. http://dx.doi.org/10.33448/rsd-v11i8.30483.
Full textCustódio, Antonlo Luis Neto, Gilson Côrreia Beltrão, and Carlos Marcelo Severo. "Enxertos ósseos autógeno em cranioplastia." Revista da Faculdade de Odontologia de Porto Alegre 35, no. 2 (July 21, 2021): 9–11. http://dx.doi.org/10.22456/2177-0018.111094.
Full textHara, Tatiana, Clarice Abreu dos Santos Albuquerqu Farias, Mayra Joan Marins da Costa, and Ricardo Jose Lopes da Cruz. "Cranioplastia: parietal versus prótese customizada." Revista Brasileira de Cirurgia Plástica (Impresso) 26, no. 1 (March 2011): 32–36. http://dx.doi.org/10.1590/s1983-51752011000100008.
Full textMARICEVICH, PABLO, ANDRÉ MANSUR, ACRYSIO PEIXOTO, JULIA AMANDO, EDUARDO PANTOJA, ANDRÉ BRAUNE, JOSÉ AUGUSTO NASSER, and RICARDO LOPES DA CRUZ. "Cranioplasties: surgical reconstruction strategies." Revista Brasileira de Cirurgia Plástica (RBCP) – Brazilian Journal of Plastic Sugery 31, no. 1 (2016): 32–42. http://dx.doi.org/10.5935/2177-1235.2016rbcp0006.
Full textPoetker, David M., Kristen B. Pytynia, Glenn A. Meyer, and P. Ashley Wackym. "Complication Rate of Transtemporal Hydroxyapatite Cement Cranioplasties: A Case Series Review of 76 Cranioplasties." Otology & Neurotology 25, no. 4 (July 2004): 604–9. http://dx.doi.org/10.1097/00129492-200407000-00031.
Full textDissertations / Theses on the topic "Cranioplastica"
Dotti, Alessandro. "Ottimizzazione del processo di produzione di protesi biomimetiche per cranioplastica." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/8630/.
Full textGonçalves, Marcelo Pacheco. "Cranioplastia com implante prototipado – uma revisão sitemática e metanálise proporcional." Botucatu, 2018. http://hdl.handle.net/11449/155001.
Full textResumo: RESUMO GONÇALVES M. P. Cranioplastia Com Implante Prototipado – Uma Revisão Sistemática e Metanálise Proporcional. 2018. 67. Dissertação (Mestrado) - Faculdade de Medicina de Botucatu, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Botucatu, 2018. Introdução: com o avanço tecnológico e popularização de softwares e impressoras 3D, cranioplastias com implantes aloplásticos prototipados tornaram-se mais uma ferramenta para correção de falhas ósseas secundárias a craniectomias. Assim, seu uso cada vez mais comum, abre uma área com necessidade de maiores estudos e discussões. Objetivos: revisar os artigos da literatura referentes a cranioplastia com implantes prototipados 3D em pacientes submetidos a craniectomia descompressiva secundários à trauma, acidente vascular encefálico hemorrágico e pós ressecção tumoral Métodos: Realizou-se uma revisão literária buscando artigos com descritores controlados nas bases de dados Medical Literature Analisys And Retrievel Sistem Online (MedLine), Biblioteca Virtual em Saúde (BVS), Literatura Latino-Americana e do Caribe em Ciências da Saúde (LILACS) e Scientifc Eletronic Library Online (SciELO). Realizaram-se todas as combinações possíveis entre os descritores em cada base de dados, utilizando-se o conector booleando “AND”. Assim, foram encontrados 185 artigos, sendo 114 na base de dados da Medline, 71 na BVS e nenhum na LILACS e SciELO. Dentre um levantamento de dados de estudos de séries de casos foi montada a TABELA BASE, na qual... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: Introduction: Cranioplasties with prototyped alloplastic implants have become another tool for bone defects corrections due to craniectomies on account of technological advancement and popularization of software and 3D printers. Because of its increasing common use, there is a need of further studies and discussions. Objectives: To review literature articles on cranioplasty with 3D prototyped implants in patients submitted to decompressive craniectomy secondary to trauma, hemorrhagic encephalic stroke and post tumor resection. Methods: A literature review was carried out to search for articles with descriptors controlled in the Medical Literature Analyzes and Retrieve Sistem Online (MedLine), Virtual Health Library (VHL), Latin American and Caribbean Literature in Health Sciences (LILACS) and Scientifc Eletronic Library Online (SciELO). All possible combinations between the descriptors in each database were made using the "AND" boolean connector. Thus, 185 articles were found, 114 in the Medline database, 71 in the VHL, and none in LILACS and SciELO. From a data collection of case series studies, we assembled the BASE TABLE, in which the test used to perform the statistical comparisons was the Normality Test. Results: Fourteen selected articles were published until March 2017. All of them were case series. In the statistical analysis, infection Np versus infection Na versus infection Nt the value is p = 0.7044; the incidence of exposure of the Np cranioplasty material versus ... (Complete abstract click electronic access below)
Mestre
Worm, Paulo Valdeci. "Alterações cognitivas e de qualidade de vida após cranioplastia para reconstrução de craniectomia descompressiva." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2015. http://hdl.handle.net/10183/131175.
Full textIntroduction: Skull defects and craniofacial bone abnormalities that require bone reconstruction are common in a wide range of neurosurgical procedures. The studies on the subject have been much more focused on the complications and development of new materials rather than on the social impact, the quality of life and re-entrance into the labor market by patients with skull defects. From the patients’ point of view, the main reason for the repair of these defects may be cosmetic, because skull defects are disfiguring. The patients present difficulties for social adaptation, isolation, embarrassment, and are considered by the general public as having neurologically diseases and intellectual impairments. But, in addition, the cranial bone provides an important structure for support and protection, restoring the normality of the cerebrospinal fluid flow, correcting the effects of atmospheric pressure and improving perfusion and cerebral blood flow. Objectives: To evaluate cognitive response, response to daily routine activities, quality of life, rates of anxiety and depression, return to work, satisfaction with the procedure and surgical complications after correction of skull defects. Materials and Methods: We performed a primary, analytical, interventional, clinical, longitudinal, prospective, noncontrolled study with 62 patients with skull defects, performing a late reconstruction with antimicrobial-impregnated PMMA and autologous bone. We evaluated the cognitive improvement through the mental state mini-exam; development of motor skills and daily life activities though Barthel and Rankin scale; health-related quality of life through SF-36; anxiety and depression indexes through the HAD scale; return to work activities; satisfaction with the procedure and its complications in the preoperative period, 3, 6, 12, and 24 months postoperatively. Results: The sample presented an average age of 40 years, most of them male (77%), white and with more than 5 years of education (85%). The cause of decompressive craniectomy (DC) was mostly accidents (58%) and aggressions (22.6%); 6 patients suffered a stroke (9.6%). The average Glasgow at admission was low, 9 ± 3. The DC was performed on the right side in 47% of patients and 39% on the left side of the skull. Multiple trauma occurred in 16% of patients. The average size of the skull defect was 127.5 ± 34.1 cm2. 91% of the patients presented moderate or large defect. The average time between the trauma and cranioplasty was 25 ± 15 months. There was an improvement in cognition after 12 months (p=0.002); 57% of patients improved at least 5 points on the daily life activities scales. All life quality parameters improved (p<0.001). An improvement in general health state became significant by the third month after surgery; in the social aspects and vitality became significant at 6 months; in the other parameters became significant at 12 months and stayed significant at 24 months. The scores for depression were reduced on the third month after surgery, further reduced at 12 months and remained still at 24 months, p<(0.001). Anxiety was reduced at 12 months after surgery, staying still at 24 months (p<0.001). 53% percent of patients performed some sort of work activity at 12 months after cranioplasty; 92% were satisfied with the procedure and infection rates were 3.2%. Conclusion: Cranioplasty improves cognition, quality of life, symptoms of anxiety and depression and reintroduces patients to the labor market. The reconstruction with antimicrobial-impregnated PMMA proved safe and effective with low rates of infectious complications.
Capeler, Raïssa Beatriz Bússolo. "A doença pode estar na imagem da doença." reponame:Repositório Institucional da UNISUL, 2017. http://www.riuni.unisul.br/handle/12345/4815.
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Esta pesquisa analisa o comportamento de pacientes submetidos à cirurgia de cranioplastia, como eles negociam a aparência com suas deformidades para se adequarem aos padrões de beleza ditados pela mídia na contemporaneidade. A dissertação tem como objeto de estudo a estética corporal associada a processos culturais contemporâneos, cujo modelo emerge do apelo a padrões preestabelecidos, em regra, pelos meios de comunicação de massa. São objetivos desta pesquisa: entender os conceitos de corpo perfeito, saudável e belo na contemporaneidade; refletir sobre os conceitos de abjeção, anormalidade e monstruosidade, quando relativos ao corpo; investigar as alterações provocadas nos processos indenitários da cranioplastia, por consequência da ditadura do corpo perfeito e destacar a razão e os resultados deste procedimento para o paciente e seus familiares. Para tanto, este estudo esquadrinhará o corpo saudável, a produção e a difusão dos padrões de beleza, a relação com o conceito e percepção da beleza no decorrer da história e sua relevância e vivência na atualidade, a relação do homem com o próprio corpo e de onde vêm as influências formadoras dos padrões estéticos em relação a este corpo. Além disso, serão investigadas as convicções na atualidade em torno do corpo visto como anormal, feio e inadequado. Assim como as negociações dos padrões de beleza e do corpo abjeto por pacientes submetidos à cranioplastia. Nesse sentido, será abordado como o humano, que não se ajusta aos padrões exigidos de beleza e de normalização, sente o mundo e o seu entorno.
Oliveira, Arthur Maynart Pereira. "Efeitos da cranioplastia em doentes submetidos à craniectomia descompressiva: avaliação anatômica, neurológica e da hemodinâmica encefálica." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/5/5138/tde-27102015-091908/.
Full textIntroduction and Objectives: Cranial vault defects after decompressive craniectomy (DC) causes neurological disorders that may be associated with changes in brain anatomy and hemodynamics. Our objective was to evaluate whether these changes occur and if they were associated with neurological prognosis. Methods: We prospectively evaluated patients with bone defect after DC with computed tomography perfusion (CTP) and transcranial Doppler Sonography (TCD) before and between 15 and 30 days after cranioplasty . We performed neurological examination and prognostic scales (mRs, MMSE and Barthel index) before and after six months. Results: We studied 30 patients, 15 (50%) had DC related to traumatic brain injury (TBI) and 15 (50%) due to cerebrovascular disease (CVD). We observed a satisfactory improvement of neurological complaints, as well as significant improvement in mRs (p= 0.003), MMSE (p < 0.001) and Barthel index (p=0.002). Significant anatomical expansion of both cerebral hemispheres, including anterior (p < 0.001), posterior (p=0.045), and cortical surface. The posterior measurements was correlated with improvement in the MMSE (p=0.03; r=-0.4) and Barthel index (p=0.035; r=-0.39). Brain anatomy changes were more evident in patients with history of CVD than TBI. Increase in radiodensity relationship between gray and white matter by CT scan (p=0.007) were observed without correlation with prognosis. TCP showed mean transit time (MTT) decrease from 8.23 ± 1.30 seconds (s) to 7.50 ± 1.21 s (p=0.02) and cerebral blood volume (CBV) from 2.29 ± 0.58 ml/100g to 2.00 ± 0.59 ml/100g (p=0.037) both in operated side. Cerebral blood flow (CBF) did not show significant changes in either side. We verified moderate correlation between MTT and contralateral muscle strength (r=-0.4; p=0.034). In the sub groups analysis, MTT decrease in TBI and CVD but was significant only in TBI patients. TCD showed a significant increase in middle cerebral artery flow velocity from 49.89±14.79 to 62.32±14.29 (p < 0.001) ipsilateral and from 53.95 ± 11.65 to 58.84 ± 14.17 (p < 0.002) contralateral to cranioplasty side. There was correlation between TCD changes and neurological prognosis ipsilateral (MMSE; p=0.033, r=0.55) and contralateral (MRS; p=0.031, r=-0.48) to operated side, besides flow velocity increased in TBI and CVD but was significant only in CVD patients. Conclusions: The TCD and MTT changes were correlated with neurological prognosis, represent recovery of brain hemodynamic condition but different behavior between TBI and CVD patients. After cranioplasty occurs neurological improvement that also correlates with anatomical changes in cortical surface
Oliveira, Antonio Carlos Pinto. "Comparação entre enxerto ósseo autólogo, homólogo congelado e homólogo liofilizado em modelo de cranioplastia em ratos." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2002. http://hdl.handle.net/10183/11402.
Full textThis experiment was designed to compare, in an experimental model of craniomaxillofacial surgery, the behavior of processed and banked bones through lyophilization with autoclave or deep-freezing with autogeneic grafts. Thirty Wistar rats were divided in three groups and submitted to cranioplasty with reconstruction using bone graft. Group 1 received deep-frozen allografts, group 2 received lyophilized allografts, and group 3 was reconstructed with fresh autografts. Four animals of each group were sacrificed at week 6. The remaining 6 were sacrificed at week 15. Results were evaluated by macroscopic and histopathologic parameters. In the first evaluation, groups 1 and 3 showed similar results, while group 2 showed significantly worse results in several parameters. In the late evaluation, group 1 showed diminished bone neoformation and osteoblastic activity, whereas group 2 showed significantly higher indexes in these parameters. Group 3 kept its proportion of neoformed bone unchanged, with a decrease in osteoblastic activity. It is concluded that fresh autografts remain as the first choice in repairing the facial skeleton. Although allografts presented satisfactory results, with osteoinductive and osteoconductive properties, lyophilized allografts appear to show a better behavior in the follow up.
Portinho, Ciro Paz. "Cranioplastia com proteína morfogenética óssea, fosfato de cálcio, matriz dérmica acelular e alginato de cálcio : estudo experimental." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/104114.
Full textINTRODUCTION: Bone craniofacial reconstructions employ bone grafts routinely. Nevertheless, there may be troubles either in availability or healing. Tissue engineering aims to solve such problems, building either organs or tissues through combination among matrices, cells and growth factors. OBJECTIVE: The aim of this study was to evaluate experimental cranial vault reconstructions, by combining bone morphogenetic protein type 2 (BMP-2) and different matrices or cell carriers. METHOD: We performed an experimental, open, prospective and comparative study, divided in seven groups: 1 – BT: BMP-2 and calcium phosphate (TCP); 2 – BM: BMP-2 and acellular dermal matrix Matriderm® (MDM); 3 – BA: BMP-2 and calcium alginate (ALG); 4 – TCP; 5 – MDM; 6 – ALG; 7 – Bone autograft (BAG). A bone failure, measuring approximately 3 x 5 mm was created in left parietal bone of adult male mice, aging more than 3 months old. At the same procedure, one of the seven reconstructions was performed. After five weeks, animals were sacrificed and a bone block, including cranial vault reconstruction area and nearby native bone was removed and processed to histological analysis. Statistics was made with Kruskal-Wallis test, and significance was considered when P<0.05. Histological criteria were: cortical fusion; new bone formation; neovascularization; and bone marrow formation. RESULTS: Thirty-eight animals were evaluated. In all of them, materials used to reconstruction remained at the receptor site. There has been neither dehiscence nor wound retraction in any case. A higher incidence of infection has occurred in MDM group (57%, P=0.037). There has been significant difference in most of the studied histological criteria. In cortical fusion, groups BAG, TCP, and BT have got the best scores, comparing to the others (P=0.00846). In new bone formation, groups BT, BAG, and TCP have presented the best scores (P=0.00835). When neovascularization was considered, best groups were BM, BA, TCP, and MDM (P=0.001695). At last, BAG group has been the best in bone marrow formation, followed by groups BT and TCP (P=0.008317). CONCLUSIONS: BMP-2 has increased bone regeneration in experimental skull reconstruction, especially when combined to TCP. Such association was even comparable to BAG, the gold-standard treatment, in some histological criteria. Besides, BM group has increased significantly neovascularization in receptor area and decreased the incidence of infection, when compared to MDM alone.
Max, Felix Mendonça Caio. "Craniotomia descompressiva em janela - relato de dez casos." Universidade Federal de Pernambuco, 2010. https://repositorio.ufpe.br/handle/123456789/8014.
Full textA craniotomia descompressiva (CD) é uma técnica utilizada desde o início do século para o controle da hipertensão intracraniana (HIC) refratária a medidas clínicas, posturais e ventilatórias. É utilizada como medida salvatória em várias afecções sendo as mais comuns: traumatismo cranioencefálico (TCE) grave e nos acidentes vasculares encefálicos (AVE) isquêmicos ou hemorrágicos. O manejo neurointensivo evoluiu muito nos últimos anos mas algumas vezes a pressão intracraniana (PIC) é refratária ao melhor tratamento otimizado. A CD tem apresentado impacto positivo na diminuição da mortalidade em várias series de casos, mas a sua utilização segue como opção, pois não existem ainda estudos classes I e II. Nas injúrias cerebrovasculares a HIC é causada por infarto cerebral maligno, onde ocorre isquemia tecidual extensa e edema cerebral reacional. A compressão do tecido cerebral injuriado e edemaciado contra estruturas rígidas da caixa craniana como osso e tentório aumentam a isquemia tecidual piorando o edema e dando início a um ciclo vicioso de HIC refratária. No caso da hemorragia intracerebral, o efeito de massa do hematoma intraparenquimatoso com isquemia perilesional e edema reacional dão início a cascata de eventos que culmina em HIC intratável. Apesar da CD ser comprovadamente eficaz no controle da HIC complicações inerentes à técnica operatória como a forma de armazenar o flap ósseo e a necessidade de um procedimento adicional para a recompor a calota craniana. Complicações tardias causadas pelas mudanças na dinâmica liquórica e no metabolismo cerebral como a hidrocefalia e a síndrome do trefinado também podem acontecer. Tais complicações são fatores desfavoráveis à realização da CD. A craniotomia descompressiva em janela (CDJ) foi pensada como uma forma de minimizar essas complicações, mas mantendo a eficácia no controle da PIC, preserva a conformação da calota craniana e permite uma resolução gradual do edema cerebral. O objetivo do presente estudo foi realizar uma revisão na literatura sobre CD e relatar uma série de 10 casos submetidos à CDJ. Os pacientes apresentavam injúria cerebral grave sendo metade de origem traumática e os demais de origem vascular; isquêmicos em sua maioria. Os critérios de exclusão foram idade ≤ a 10 ou ≥ a 70 anos e escore ≤ a 4 da escala de coma de Glasgow e a presença de coagulopatias. O método utilizado foi o quantitativo, descritivo, prospectivo, transversal, e de intervenção com o seguimento mínimo de 12 meses. Os pacientes foram atendidos durante o período de junho de 2008 a setembro de 2009 na emergência de quatro hospitais dois em Caruaru e dois em Recife-PE. O estudo foi aprovado pelo Comitê de Ética da Universidade Federal de Pernambuco sob o N° 262/08. A amostra tem idade média de 37 anos e foi predominantemente masculina. Os pacientes submetidos a essa nova técnica apresentaram evolução satisfatória, não houve óbito relacionado ao procedimento, 90% dos pacientes apresentaram resultado estético satisfatório e não necessitaram de cranioplastia e nenhum paciente apresentou hidrocefalia ou infecção do couro cabeludo. Estudos posteriores comparando a técnica proposta e a técnica clássica com um número maior de sujeitos, deverão ser realizados para demonstrar se a CDJ evolue com resultados melhores, com menor mortalidade e evolução neurológica com menor grau de incapacidade
Chibbaro, Salvatore. "Impact de la cranioplastie sur l'hémodynamique et métabolisme cérébral chez les patients craniectomisés : évaluation de l'effet de la cranioplastie comme facteur pronostic de l'amélioration clinique chez les traumatismes crâniens graves, HSA, HIC, Thrombophlébite des sinus duraux et AVC ischémique malin." Paris 7, 2013. http://www.theses.fr/2013PA077134.
Full textCranioplasty after decompressive craniectomy in patients suffering from severe head injury, SAH, ICH and dural sinus thrombosis often leads to a functional improvement although, to date, the pathophysiology of this phenomenon remains unclear. A few hypotheses have been proposed. The impact of cranioplasty on cerebral perfusion coulb be one explanation. We have evaluated the impact of cranioplasty on the functional status of patients undergoing decompressive craniectomy with its influence on cerebral perfusion. This was a multi-centric and prospective study concerning different patient's cohort undergoing to a cranioplasty within 12 weeks following decompressive craniectomy; An experimental animal study has also been realized. A clinical and radiological evaluation was performed prior to and after cranioplasty in ail patients. Neurological and cognitive evaluation was performed with the Glasgow Outcome Score (GOS), the Frontal Assessment Battery (FAB) and the Mini Mental State Examination (MMSE). Radiological evaluation was performed by perfusion CT scan, transcranial Doppler and in selected case by a 18 FDG PET scan. A statistically significant neurological and cognitive improvement was observed in 92% of patients at 6 months follow-up (F-U). Brain perfusion was improved at 6 weeks F-U, predominantly in the affected hemisphere. Systolic and diastolic blood velocity flow were improved in both middle cerebral arteries being in favor of cerebral perfusion improvement. Cranioplasty after decompressive craniectomy probably improves the functional outcome of these patients, thanks to a global improvement of cerebral perfusion. The former data are in favor of a therapeutic effect of cranioplasty which until now has been considered a procedure to improve just cosmetic feature and brain protection. Finally the implementation of new technique and/or devices to perform the craniectomy keeping in the same time the brain protected could constitute a true revolution in the management of such patients
Dornas, Raul Felipe. "Cimento a base de β-fosfato tricálcico em defeitos ósseos produzidos no crânio de coelhos." Universidade Federal de Viçosa, 2013. http://locus.ufv.br/handle/123456789/5135.
Full textCoordenação de Aperfeiçoamento de Pessoal de Nível Superior
The loss of bone tissue is an important problem both in human and in veterinary medicines. For cranial bone defects, surgical intervention is necessary since, if not correct, these defects result in high number of cerebral lesions and neurological dysfunctions as well as esthetic sequelae. In such context, autogenous and alogenous grafts have given place to resorbable osteoconductive biomaterials. The objective of the present study was to evaluate a bone cement made from a solid phase (β-tricalcium phosphate and calcium sulfate dihydrate) and a liquid one (phosphoric acid 2M). These components were mixed in a stainless steel cube at a proportion of 1:1 and the material while still moldable, was applied in 15mm critical size defects in the cranial bone of rabbits, Scanning electron microscopy of the cement itself showed a complex surface with non-interconnected pores of 19.5±5.92 μm in diameter. Animals were separated in three experimental moments based on the time after surgical procedure (7, 28 and 90 days), comparing to defects that did not receive the material. Hematological and serum biochemistry revealed normal values during the entire experiment. Dehiscence, edema or signs of infection were not observed. In treated animals, alterations were observed on skin (hyperemia and necrosis) and brain (circular lesions of green color with vascular congestion) that evolved to healing at 90 days. These alterations may be related related to a low pH of the biomaterial during the implantation (3.38), resulted from the proportion of liquid:powder used in the present study (1:1). As suggested by computerized tomography and confirmed by histology, new bone formation occurred in control group from the margin of the defect and inside it. In treated group, bone growth was apparently less intense at 90 days when compared to the control one, limited to the margin of the defect and not observed inside it. Osteointegration was confirmed and neither signs of undesirable chronic inflammation nor the formation of a fibrous capsule around the material was observed. Thereby, the biomaterial was characterized as osteoconductor, osteointegrated, degradable in vivo and histologically biocompatible. The alterations in the color of nervous tissue and skin adjacent to the implant, although with no clinical relevance, indicate the need for a modification on the proportion of the biomaterial components. Possibly, reducing the relation liquid:powder may allow its application.
A perda de tecido ósseo é um problema grave tanto na medicina humana quanto na veterinária. No caso das falhas ósseas cranianas, a intervenção cirúrgica se faz necessária porque, se não forem corrigidas, provocam altos índices de lesões cerebrais e disfunções neurológicas, bem como graves sequelas estéticas. Nesse contexto, enxertos autógenos e alógenos têm sido substituídos por biomateriais osteocondutores e reabsorvíeis. O objetivo desse trabalho foi avaliar a utilização de um cimento ósseo formulado a partir de uma fase sólida (β-fosfato tricálcico e sulfato de cálcio di-hidratado) e uma fase líquida (ácido fosfórico 2M). Esses componentes foram misturados na proporção 1:1 e o material, ainda moldável, foi aplicado em defeitos ósseos de tamanho crítico no crânio de coelhos, com 15 mm de diâmetro. A análise do cimento pela microscopia eletrônica de varredura revelou superfície complexa com poros de 19,5 (±5,92) μm não interconectados. Os animais foram divididos em três momentos experimentais com base no tempo transcorrido após o procedimento cirúrgico (sete, 28 e 90 dias), onde os defeitos tratados foram comparados aos defeitos que não receberam o biomaterial. As análises hematológicas e da bioquímica sérica evidenciaram valores normais durante todo o experimento. Não foram observados deiscência, edema ou sinais de infecção. Nos animais tratados, foram observadas alterações na pele (hiperemia e necrose) e no cérebro (lesões circulares de coloração esverdeada com congestão vascular), que evoluíram para a cicatrização aos 90 dias. Essas alterações podem ser atribuídas ao baixo pH do biomaterial no momento de sua implantação (3,38), resultante da relação líquido/pó utilizada no presente trabalho (1:1). Foi sugerido pela tomografia computadorizada e confirmado pela análise histológica crescimento de osso novo, que no grupo controle ocorreu a partir das bordas e no interior do defeito. Já nos animais do grupo tratado esse crescimento foi menor aos 90 dias, quando comparado ao controle na mesma data, e limitou-se às bordas do defeito, não ocorrendo no interior. Foi demonstrada a osteointegração do biomaterial, não sendo observados sinais de inflamação crônica indesejável ou a formação de cápsula fibrosa ao seu redor. Após análise dos dados obtidos o biomaterial foi caracterizado como osteocondutor, osteointegrável, possuindo degradação in vivo e histologicamente biocompatível. As alterações na coloração no tecido nervoso na região do implante, mesmo sem comprometimento clínico, e as lesões de pele, indicam a necessidade de modificação da proporção dos componentes. Possivelmente, a redução da relação líquido/pó viabilizará sua aplicação.
Book chapters on the topic "Cranioplastica"
Oliveira-Pessoa, Gabriela Fernandes de, Andréa Costa Andrade, and Gisele Cristina Resende. "A dinâmica afetiva de pacientes neurológicos no pré-cirúrgico de cranioplastia: estudo de caso múltiplo." In Desafios Contemporâneos dos Métodos Projetivos, 48–61. ASBRo, 2022. http://dx.doi.org/10.29327/565418.1-5.
Full textCaycedo, Diego José, Marcela Cabal Castro, and Luís Fernando Santacruz. "Telescoping with Multiple Revolution Cranial Osteotomies in Patients with Simple Craniosynostosis." In Spina Bifida - New Perspectives and Clinical Applications [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.94926.
Full textConference papers on the topic "Cranioplastica"
de Almeida, Leandro, Paulo Worm, Mateus Casarin, and Humberto Moser. "Síndrome epiléptica relacionada à cranioplastia em pacientes com hemicraniectomia descompressiva." In XXXII Congresso Brasileiro de Neurocirurgia. Thieme Revinter Publicações Ltda, 2018. http://dx.doi.org/10.1055/s-0038-1673064.
Full textMatos Santos, Edgar, César Quiroz, Alan Ferreira Pinheiro Tavares, and Antonio Celso Fonseca de Arruda. "MATERIAIS E TÉCNICAS PARA RECONSTRUÇÃO EM CRANIOPLASTIA UTILIZANDO O POLIMETILMETACRILATO(PMMA)." In X Congresso Nacional de Engenharia Mecânica. ABCM, 2018. http://dx.doi.org/10.26678/abcm.conem2018.con18-1569.
Full textJobim Noschang, Nathan, Lucas Marques Colomé, and Thomas Alexander Trein. "ANESTESIA INTRAVENOSA TOTAL (TIVA) EM UM CANINO SUBMETIDO À CRANIECTOMIA E CRANIOPLASTIA." In I Congresso de Medicina Veterinária UniRitter. ,: Even3, 2020. http://dx.doi.org/10.29327/congressouniritter.260922.
Full textNoleto, Gustavo, Cintya Hayashi, Davi Solla, Almir de Andrade, Jefferson Rosi-Jr, Wellingson Paiva, and Manoel Teixeira. "Avaliação neurofisiológica com emt antes e após cranioplastia em lesão cerebral traumática." In XXXII Congresso Brasileiro de Neurocirurgia. Thieme Revinter Publicações Ltda, 2018. http://dx.doi.org/10.1055/s-0038-1673053.
Full textBandeira, Yuri, Jefferson Rosi Junior, Saul Silva, Ricardo Iglesio, Manoel Teixeira, and Almir de Andrade. "Cranioplastia com osso autólogo versus prótese de acrílico: avaliação prospectiva de 82 pacientes." In XXXII Congresso Brasileiro de Neurocirurgia. Thieme Revinter Publicações Ltda, 2018. http://dx.doi.org/10.1055/s-0038-1673102.
Full textGreber Filho, Elizeu, Walter Luís Mikos, and José Foggiatto. "Desenvolvimento de molde para reconstrução de prótese craniana em cranioplastia pelo processo de manufatura aditiva." In Congresso Brasileiro de Engenharia de Fabricação. ABCM, 2017. http://dx.doi.org/10.26678/abcm.cobef2017.cof2017-0285.
Full textNaves, Wander, Adriano de Paula Ramos, Fernando Nazareno, Helionai Alencar, Tiago Fernandes, Lissa Goulart, and Jair de Oliveira Junior. "Cranioplastia de baixo custo operacional com confecção manual a partir de molde intraoperatório: série de casos." In XXXII Congresso Brasileiro de Neurocirurgia. Thieme Revinter Publicações Ltda, 2018. http://dx.doi.org/10.1055/s-0038-1672446.
Full textMaia, Rafael, Bruno de Oliveira Santos, Alessandra Gorgulho, Ricardo Leite, and Antonio de Salles. "Ressecção de meningioma esfeno-orbitário e cranioplastia com reconstrução de órbita no mesmo tempo cirúrgico: associação de técnica de prototipagem e neuronavegação." In XXXII Congresso Brasileiro de Neurocirurgia. Thieme Revinter Publicações Ltda, 2018. http://dx.doi.org/10.1055/s-0038-1672490.
Full textKumar, M., Nitin Manohar, Astha Palan, and Pradeep K. "A0035 Effect of Scalp Block and Ultrasound-Guided Transverse Abdominis Plane Block on Intraoperative Hemodynamics and Perioperative Analgesia in Abdominal Bone Flap Cranioplasties: A Prospective, Randomized, Double-Blinded Study." In 20th Annual Conference of Indian Society of Neuroanaesthesiology and Critical Care (ISNACC). Thieme Medical and Scientific Publishers Private Ltd., 2019. http://dx.doi.org/10.1055/s-0039-1684142.
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