Relevant bibliographies by topics / EVAR

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  2. Dissertations / Theses
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  5. Conference papers
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Academic literature on the topic 'EVAR'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "EVAR"

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Zoethout, Aleksandra C., Arshad Sheriff, Clark J. Zeebregts, Andrew Hill, Michel M. P. J. Reijnen, and Andrew Holden. "Survival After Endovascular Aneurysm Sealing Compared With Endovascular Aneurysm Repair." Journal of Endovascular Therapy 28, no. 5 (June 21, 2021): 788–95. http://dx.doi.org/10.1177/15266028211025030.

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Introduction Endovascular aneurysm sealing (EVAS) is a sac-filling device with a blunted systemic inflammatory response compared to conventional endovascular aneurysm repair (EVAR), with a suggested impact on all-cause mortality. This study compares mortality after both EVAS and EVAR. Materials and Methods This is a retrospective observational study including data from 2 centres, with ethical approval. Elective procedures on asymptomatic infrarenal aneurysms performed between January 2011 until April 2018 were enrolled. Laboratory values (serum creatinine, haemoglobin, white blood cell count, platelet count) were measured pre- and postoperatively and at 1 and 2 years, respectively. Mortality and cause of death were recorded during follow-up. Results A total of 564 patients were included (225 EVAS, 369 EVAR), after propensity score matching there were 207 patients in both groups. Baseline characteristics were similar, except for larger neck angulation and more pulmonary disease in the EVAR group. The median follow-up time was 49 (EVAS) and 44 (EVAR) months. No significant differences regarding creatinine and haemoglobin were observed. Preoperative white blood cell count was higher in the EVAR group (p=0.011), without significant differences during follow-up. Median platelet count was lower in the EVAR group preoperatively (p=0.001), but was significantly higher at 1 year follow-up (p=0.003). There were 43 deaths within the EVAS group (20.8%) and 52 within the EVAR group (25.1%) (p=0.293). Of these, 4 were aneurysm related (EVAS n=3, EVAR n=1; p=0.222) and 14 cardiovascular (EVAS n=6, EVAR n=8, p=0.845). For the EVAS cohort, survival was 95.5% at 1 year and 74.9% at 5 years. For the EVAR cohort, this was 93.3% at 1 year and 75.5% at 5 years. No significant differences were observed in causes of death. Conclusion This study showed comparable survival rates through 5 years between EVAS and EVAR with a tendency toward higher inflammatory response in the EVAR patients through the first 2 years.
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Edsell, M., and N. Fletcher. "EVAR fever." Anaesthesia 67, no. 8 (July 9, 2012): 929–30. http://dx.doi.org/10.1111/j.1365-2044.2012.07245.x.

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Grima, Matthew J., Alan Karthikesalingam, Peter J. Holt, Daniele Kerr, Ian Chetter, Seamus Harrison, Rob Sayers, et al. "Multicentre Post-EVAR Surveillance Evaluation Study (EVAR-SCREEN)." European Journal of Vascular and Endovascular Surgery 57, no. 4 (April 2019): 521–26. http://dx.doi.org/10.1016/j.ejvs.2018.10.032.

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Karthikesalingam, A., and P. Holt. "Multicentre Post-EVAR Surveillance Evaluation Study (EVAR-SCREEN)." European Journal of Vascular and Endovascular Surgery 52, no. 3 (September 2016): e55. http://dx.doi.org/10.1016/j.ejvs.2016.05.025.

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Davies, Robert S. M. "Endovascular Aneurysm Repair (EVAR) or Endovascular Aneurysm Control (EVAC)?" European Journal of Vascular and Endovascular Surgery 58, no. 2 (August 2019): 189. http://dx.doi.org/10.1016/j.ejvs.2019.03.034.

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Liungman, K., A. Wanhainen, K. Mani, L. Bosaeus, and M. Lachat. "New Facilitated Method for b-EVAR and b-EVAR." European Journal of Vascular and Endovascular Surgery 52, no. 3 (September 2016): 396. http://dx.doi.org/10.1016/j.ejvs.2016.07.028.

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Pfister, K., P. M. Kasprzak, H. Apfelbeck, K. Blazkow-Schmalzbauer, R. Kopp, and M. Janotta. "Kontrastmittelsonographie nach EVAR." Gefässchirurgie 18, no. 8 (December 2013): 722–27. http://dx.doi.org/10.1007/s00772-013-1257-y.

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Chaudhuri, Arindam, and Ramita Dey. "“CERAB” After EVAR." European Journal of Vascular and Endovascular Surgery 58, no. 4 (October 2019): 511. http://dx.doi.org/10.1016/j.ejvs.2019.04.026.

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Amin, S., J. Schnabel, O. Eldergash, and A. Chavan. "Endovaskuläre Aneurysmaversorgung (EVAR)." Der Radiologe 58, no. 9 (August 6, 2018): 841–49. http://dx.doi.org/10.1007/s00117-018-0437-x.

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Lareyre, Fabien, Claude Mialhe, Carine Dommerc, Aurélie Mbeutcha, and Juliette Raffort. "Endovascular aneurysm sealing as an alternative for the treatment of failed endovascular aneurysm repair." Vascular 28, no. 3 (January 2, 2020): 251–58. http://dx.doi.org/10.1177/1708538119897525.

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Objective The Nellix EndoVascular Aneurysm Sealing (EVAS) system has offered a novel approach in the treatment of abdominal aortic aneurysm (AAA). While it is currently indicated as a primary procedure in patients with infrarenal AAA with suitable anatomy according to the indications for use, a few studies aimed to address its potential interest in failed endovascular aneurysm repair (EVAR). The aim of this systematic review was to analyze the postoperative outcomes of patients with prior EVAR who underwent EVAS. Design of the study A literature search was performed according to Preferred Reporting Items for Systematic reviews and Meta-Analyses guidelines in May 2019 and included patients with prior EVAR who underwent EVAS. The publications had to report at least one of the basic postoperative outcomes (technical success rate, all-cause complications, mortality, length of in-hospital stay, length of stay in intensive care unit, the need of re-intervention). Results Eleven studies fulfilled the inclusion criteria, for a total of 46 patients. EVAS was used to treat endoleaks in 45 cases (97.8%): 29 type Ia endoleaks (63%), 6 type IIIa endoleaks (13%), and 10 type IIIb endoleaks (21.7%). Standard EVAS procedure was performed in 21 patients (45.7%), and 25 patients (54.3%) had chimney-EVAS. The technical success was achieved in all the studies. Two patients (4.9%) died during the 30-day postoperative period, but no aneurysm-related mortality was reported. The presence of endoleaks was reported in five patients (9.8%) during the follow-up. Conclusion The results suggest the safety and the efficiency of EVAS in the treatment of complications following EVAR including type Ia, type IIIa, and type IIIb endoleaks. Further studies on larger cohorts and longer follow-up periods are required to confirm the interest of EVAS in the endovascular management of failed EVAR.
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Dissertations / Theses on the topic "EVAR"

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Jepsson, Karin. "Endovaskulär aortaaneurysm reparation (EVAR) jämfört med öppen kirurgi av aorta : En litteraturstudie." Thesis, Örebro universitet, Institutionen för hälsovetenskap och medicin, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-29331.

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Bakgrund: Bukaortaaneurysm (AAA) har under de senaste tjugo åren blivit allt vanligare både när det gäller förekomst och diagnostisk upptäckt. Oftast är sjukdomen symtomfri och upptäcks ofta först när det rupturerar. AAA behandlas med antingen endovaskulär aortaaneurysm reparation (EVAR), öppen kirurgi av aorta (ÖA), farmakologiskt eller inte alls. Syfte: Syftet var att se hur mortaliteten och komplikationerna ser ut efter EVAR jämfört med ÖA och vilka olika kort- respektive långsiktiga för- och nackdelar som finns med de olika metoderna. Metod: Sökning av artiklar gjordes i databasen PubMed. Totalt valdes 10 artiklar ut som var baserade på 6 olika studier. Resultat: Majoriteten av dödsfallen som skedde inom 30 dagar hos ÖA-patienterna var aneurysmrelaterade och fler än inom EVAR. Efter 2-3 år syntes inte längre någon signifikant skillnad mellan de två patientgrupperna. Under operationen hade ÖA-patienter högre blodförlust, mer blodtransfusion samt längre tid i respirator efter operationen än patienterna i EVAR-gruppen. Implantatrelaterade komplikationer var vanligare vid EVAR, medan ärrbråck var vanligt hos ÖA-patienter. Konklusion: Under de första 30 dagarna efter operation och upp till ett år efter är mortalitets- och komplikationsrisken signifikant lägre hos EVAR-patienterna. Komplikationer och risk för endoläckage, ruptur trots operation och reinterventioner blir dock vanligare hos EVAR-patienterna med tiden.
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Runling, André. "Evar : En produktutveckling och formgivning av cykelbelysning med LED som ljuskälla." Thesis, Karlstads universitet, Avdelningen för maskin- och materialteknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-26576.

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Evar är ett examensarbete, om 22,5 HP individuellt utfört av André Runling under våren 2012 vid Karlstads universitet, till högskoleingenjörsprogrammet i innovationsteknik och design. Uppdragsgivare för projektet har varit Johan Larsvall, industridesigner och ägare av Idesign i Stockholm. Handledare på Karlstads universitet har varit Lennart Wihk, industridesigner och universitetsadjunkt. Examinator har varit Fredrik Thuvander, professor och universitetslektor. Idesign är en designbyrå med kontor på Långholmen i centrala Stockholm och har uppdrag för olika företag inom olika branscher, bland annat Silva Sweden AB och myndigheten Trafikverket. Idesign har Trafikverkets uppdrag att komma med förslag på koncept till cykelbelysning för ökad användning och tillförlitlighet mot dagens användning. Projektet har initierats av Trafikverket och Idesign skall stå för utvecklingen av en belysning åt Silva. Silva har specialiserat sig på pannlampor i många år och ser en möjlighet att nå en ny marknad av cykelbelysning med samarbetet, vilket föranledde detta examensarbete och en utvecklingsprocess mot Idesign i första hand. Projektets första del gick ut på att undersöka vad som brister med dagens cykelbelysning och varför den inte används i så stor utsträckning. Undersökningen gjordes i form av enkäter och diskussioner på svenska forum på internet. En stor del av projektet innebar att jämföra varför användningen ser annorlunda ut och används oftare i Danmark och även Tyskland. Tyskland har ett detaljerat typgodkännande av cykelbelysning i trafikförordningen som behövde tydas. Med hjälp av den insamlade informationen påbörjades en utveckling av ett koncept till en belysning med idégenerering och kravspecifikation som sedan skulle utvärderas med matriser. Med ett mål och tanke om att den den skall andas enkelhet och tilltala en person som pendlar på cykel. Av de tre koncept som presenterades för Idesign valdes ett koncept ut för vidare bearbetning som utvecklades till ett slutligt förslag och beskrivning på en cykelbelysning. Det förslag som utvecklades innebär att lampan fram blir batteridriven som meddelar med en batteriindikator när den bör laddas, direkt i ett eluttag. Med ett enkelt handgrepp ansluts den i ett fäste på cykeln som i sin tur är ett spänne som monteras fast steglöst på cykeln med en rem. Det innebär att den kan monteras på vilken cykel som helst. Medan lampan bak är tänkt att alltid sitta på, ha samma typ av montering och ha automatisk på- och avslagning via en ljus- och rörelsedetektor. Den har fortfarande en batteriindikator för att se när batterier bör bytas. Både fram och baklampan är utrustade med LED-belysning.
Evar is a project degree of 22,5 ECTS credits individually carried out by André Runling during the spring of 2012 at Karlstad University, for a bachelor degree in Innovation technique and Design engineering. The assigner for this project is Johan Larsvall, industrial designer and owner of Idesign in Stockholm. Academic supervisor at Karlstad University has been Lennart Wihk, industrial designer and university lecturer. Examiner has been Fredrik Thuvander, professor and university lecturer. Idesign is a design agency with office on Longholmen in central of Stockholm and is assigned by different companies in different sectors such as, Silva Sweden AB and Trafikverket. Idesign got the task from Trafikverket to make suggestions to concepts of bike lights that increase the use and reliability compared to todays use. The project was initiated by Trafikverket while Idesign were responsible of developing a bike light to Silva. Silva has specialised themselves in head lamps for many years and have seen an opportunity to reach a new market with the collaboration, which resulted in this degree project and development primary to Idesign. The projects first part was to study what is inadequate in today's lighting and why it is not used as much as it should. The study was conducted with a poll and discussions on Swedish forums on the internet. A large part of the project was to compare why the usage looks different and is used more often in Denmark, and also Germany. Germany has a detailed approval of bicycle lights in their traffic regulations which was needed to be interpreted. Using the information gathered, a development of concepts started to a bicycle light that exudes simplicity and appeal to a commuting cyclist, with the idea generation method and product specification which was evaluated in a matrix. Of three concepts that were presented to Idesign, one concept was selected for further processing which developed into a final proposal and description of a bicycle light. The final solution means that the head lamp is powered by a battery, and notifies with a battery indicator when it needs charging, directly into a electrical outlet. With a simple single-hand grip it’s connected in the bracket and, in its turn a buckle, which is mounted steplessly on the bicycle by a strap. It means it can be mounted on any bicycle. While the rear light is supposed to always sit on, have the same type of installation and have an automatic on and off switch via a light and motion detector. It still has a battery indicator to se when batteries should be replaced. Both the front and the rear light is equipped with LED for lighting.
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Lilja, Fredrik. "Evaluation of the Prostar XL vascular closuredevice used in EVAR procedures." Thesis, Uppsala universitet, Medicinska fakulteten, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-210469.

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Alencar, Ana Ellen Valentim de. "AvaliaÃÃo do uso de polÃmero EVA, resÃduo da indÃstria de calÃados (EVAR) e aditivos no desempenho reolÃgico de ligante asfÃltico de petrÃleo." Universidade Federal do CearÃ, 2009. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=5322.

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Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico
O desenvolvimento de novas metodologias no campo da engenharia rodoviÃria tem sido uma preocupaÃÃo, visando à melhoria da qualidade das vias pavimentadas, tornando-as mais seguras e resistentes. Algumas inovaÃÃes introduzidas nesta Ãrea tem sido praticadas com a aplicaÃÃo de ligantes asfÃlticos (LAs) modificados, que tem demonstrado melhorar o desempenho destes, contribuindo para a reduÃÃo da formaÃÃo das trilhas de roda e das trincas tÃrmicas. Neste estudo, o ligante asfÃltico (LA) brasileiro oriundo do Campo Fazenda Alegre foi modificado por copolÃmero de etileno e acetato de vinila (EVA) virgem, resÃduo da indÃstria de calÃados (EVAR) e fibra de coco (FC). Aditivos, como o lÃquido da castanha de caju (LCC) e o Ãleo extensor (OE) foram utilizados para melhorar a compatibilidade da mistura. O polÃmero e os aditivos foram caracterizados atravÃs de espectroscopia no infravermelho, termogravimetria e calorimetria exploratÃria diferencial. A avaliaÃÃo dos espectros FTIR dos ligantes apÃs envelhecimento simulado em estufa RTFOT, mostraram que os ligantes modificados com EVAR e EVA/FC foram mais resistentes ao processo oxidativo, provavelmente, devido à presenÃa de aditivos, como o carbonato de cÃlcio, na composiÃÃo do resÃduo. As curvas termogravimÃtricas dos LAs modificados apresentaram comportamento semelhante ao ligante puro. As propriedades reolÃgicas tambÃm foram avaliadas atravÃs de ensaios em: viscosÃmetro e reÃmetro de cisalhamento dinÃmico (DSR). O envelhecimento, de maneira geral, provoca aumento da rigidez e da viscosidade, porÃm as curvas mestras indicaram que o efeito do envelhecimento à mais expressivo nas temperaturas intermediÃrias a altas, e aumentaram a elasticidade ao longo do espectro de frequÃncias. A viscosidade zero shear (ZSV) obtida pelos modelos de Cross e Williamson apresentou-se mais elevada do que o modelo de Carreau. AlÃm disso, as imagens obtidas no microscÃpio de forÃa atÃmica (MFA) mostraram que o polÃmero EVA intumesceu devido à absorÃÃo de fraÃÃo aromÃtica do ligante, rompendo a estabilidade coloidal. Assim sendo, a adiÃÃo do Ãleo extensor preveniu a separaÃÃo de fases. Para o ligante modificado com EVAR, a mistura apresentou boa estabilidade à estocagem somente apÃs adiÃÃo de Ãleo extensor. A presenÃa do LCC e OE mostrou melhorar a susceptibilidade tÃrmica dos ligantes modificados.
The development of new methodologies in the field of road engineering has been a concern, aimed to the improvement of the quality of paved roads making them safer and more durable. Some innovations introduced in this area have been practiced with the application of modified asphalt binder (AB), demonstrated to improve asphalt binder performance, contributing to the reduction of the formation of wheel tracks and of thermal cracking. In this study, the Brazilian asphalt binder from Fazenda Alegre oil reserve was modified by virgin ethylene vinyl acetate copolymer (EVA), residue of the industry of footwears (EVAR) and coir fiber (CF). Additives, such as the cashew nut shell liquid (CNSL) and extensor oil (EO) were used to improve the compatibility of the mixture. The polymer and additives were characterized by means of infrared spectroscopy, termogravimetry and diferencial scanning calorimetry. The evaluation of the spectra FTIR of the binders after simulated aging in RTFOT, showed that the modified binders with EVAR and EVA/FC were more resistant to oxidative hardening, probably due to the presence of the additive, in the composition of the residue, such as the calcium carbonate. The termogravimetry curves of the modified ABs presented behavior similar to the pure binder. The rheological properties were also evaluated by tests with the viscometer and the dynamic shear rheometer (DSR). In general, ageing causes an increase in stiffness and viscosity, however the master curves indicated that the effect of aging is most significant in the intermediate to high temperatures and increases the elasticity along the spectrum of frequencies. The zero shear viscosity (ZSV) obtained by the models of Cross and Williamson was higher than the Carreau model. In addition atomic force microscopy (AFM) images were obtained in the showed that the EVA polymer sweeling suggest that part of the maltenic fraction of the binder was absorbed by the polymer. For the binder modified with EVAR, the mixture showed good stability only after the addition of the extensor oil. The presence of CNSL and EO improved the thermal susceptibility of the modified binders.
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Alencar, Ana Ellen Valentim de. "Avaliação do uso de polímero EVA, resíduo da indústria de calçados (EVAR) e aditivos no desempenho reológico de ligante asfáltico de petróleo." reponame:Repositório Institucional da UFC, 2009. http://www.repositorio.ufc.br/handle/riufc/11139.

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ALENCAR, A. E. V. Avaliação do uso de polímero EVA, resíduo da indústria de calçados (EVAR) e aditivos no desempenho reológico de ligante asfáltico de petróleo. 2009. 163 f. Dissertação (Mestrado em Química Inorgânica) - Centro de Ciências, Universidade Federal do Ceará, Fortaleza, 2009.
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The development of new methodologies in the field of road engineering has been a concern, aimed to the improvement of the quality of paved roads making them safer and more durable. Some innovations introduced in this area have been practiced with the application of modified asphalt binder (AB), demonstrated to improve asphalt binder performance, contributing to the reduction of the formation of wheel tracks and of thermal cracking. In this study, the Brazilian asphalt binder from Fazenda Alegre oil reserve was modified by virgin ethylene vinyl acetate copolymer (EVA), residue of the industry of footwears (EVAR) and coir fiber (CF). Additives, such as the cashew nut shell liquid (CNSL) and extensor oil (EO) were used to improve the compatibility of the mixture. The polymer and additives were characterized by means of infrared spectroscopy, termogravimetry and diferencial scanning calorimetry. The evaluation of the spectra FTIR of the binders after simulated aging in RTFOT, showed that the modified binders with EVAR and EVA/FC were more resistant to oxidative hardening, probably due to the presence of the additive, in the composition of the residue, such as the calcium carbonate. The termogravimetry curves of the modified ABs presented behavior similar to the pure binder. The rheological properties were also evaluated by tests with the viscometer and the dynamic shear rheometer (DSR). In general, ageing causes an increase in stiffness and viscosity, however the master curves indicated that the effect of aging is most significant in the intermediate to high temperatures and increases the elasticity along the spectrum of frequencies. The zero shear viscosity (ZSV) obtained by the models of Cross and Williamson was higher than the Carreau model. In addition atomic force microscopy (AFM) images were obtained in the showed that the EVA polymer sweeling suggest that part of the maltenic fraction of the binder was absorbed by the polymer. For the binder modified with EVAR, the mixture showed good stability only after the addition of the extensor oil. The presence of CNSL and EO improved the thermal susceptibility of the modified binders.
O desenvolvimento de novas metodologias no campo da engenharia rodoviária tem sido uma preocupação, visando à melhoria da qualidade das vias pavimentadas, tornando-as mais seguras e resistentes. Algumas inovações introduzidas nesta área tem sido praticadas com a aplicação de ligantes asfálticos (LAs) modificados, que tem demonstrado melhorar o desempenho destes, contribuindo para a redução da formação das trilhas de roda e das trincas térmicas. Neste estudo, o ligante asfáltico (LA) brasileiro oriundo do Campo Fazenda Alegre foi modificado por copolímero de etileno e acetato de vinila (EVA) virgem, resíduo da indústria de calçados (EVAR) e fibra de coco (FC). Aditivos, como o líquido da castanha de caju (LCC) e o óleo extensor (OE) foram utilizados para melhorar a compatibilidade da mistura. O polímero e os aditivos foram caracterizados através de espectroscopia no infravermelho, termogravimetria e calorimetria exploratória diferencial. A avaliação dos espectros FTIR dos ligantes após envelhecimento simulado em estufa RTFOT, mostraram que os ligantes modificados com EVAR e EVA/FC foram mais resistentes ao processo oxidativo, provavelmente, devido à presença de aditivos, como o carbonato de cálcio, na composição do resíduo. As curvas termogravimétricas dos LAs modificados apresentaram comportamento semelhante ao ligante puro. As propriedades reológicas também foram avaliadas através de ensaios em: viscosímetro e reômetro de cisalhamento dinâmico (DSR). O envelhecimento, de maneira geral, provoca aumento da rigidez e da viscosidade, porém as curvas mestras indicaram que o efeito do envelhecimento é mais expressivo nas temperaturas intermediárias a altas, e aumentaram a elasticidade ao longo do espectro de frequências. A viscosidade zero shear (ZSV) obtida pelos modelos de Cross e Williamson apresentou-se mais elevada do que o modelo de Carreau. Além disso, as imagens obtidas no microscópio de força atômica (MFA) mostraram que o polímero EVA intumesceu devido à absorção de fração aromática do ligante, rompendo a estabilidade coloidal. Assim sendo, a adição do óleo extensor preveniu a separação de fases. Para o ligante modificado com EVAR, a mistura apresentou boa estabilidade à estocagem somente após adição de óleo extensor. A presença do LCC e OE mostrou melhorar a susceptibilidade térmica dos ligantes modificados.
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Esteves, Marques Nicole [Verfasser]. "EVAR Implantation bei infrarenalem Aortenaneurysma mittels Zenith Flex AAA Endovascular Graft / Nicole Esteves Marques." Bonn : Universitäts- und Landesbibliothek Bonn, 2017. http://d-nb.info/1139118706/34.

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Hassan, Baderkhan. "Endovascular aortic aneurysm repair: Aspects of follow-up and complications." Doctoral thesis, Uppsala universitet, Kärlkirurgi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-334369.

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Endovascular aortic aneurysm repair (EVAR) is the procedure of choice in most patients with abdominal aortic aneurysm. The drawbacks of EVAR are a higher rate of complications and frequent need for reinterventions, requiring regular postoperative follow-up. Non-stratified follow-up may have a deleterious effect on patients and the health care system. The aim of this thesis is to develop strategies that can stratify the EVAR follow-up programme according to an individual patient´s risk profile. Study I, an international multicentre study of all abdominal aortic aneurysm (AAA) patients with EVAR in three centres (2000 to 2011) demonstrated a lower rate of late complications and reinterventions in patients with sac shrinkage during the first postoperative year, compared to the non-shrinkage group. Study II, an international multicentre study of patients treated for a ruptured aortic aneurysm with EVAR in three centres (2000 to 2012) demonstrated that ruptured EVAR (rEVAR) in patients with hostile anatomy is associated with a high rate of graft-related complications, reinterventions and increased overall mortality. Study III, a two-centre cohort study of 326 patients with EVAR (2001 to 2012), with first postoperative computerised tomographic angiography (CTA) within one year of the operation. Patients with adequate proximal and distal sealing zones and no endoleak in the first postoperative CTA had significantly lower risk for AAA-related complications and reinterventions up to five years postoperatively. Study IV, studied all complications and reinterventions in a two-centre cohort study of all EVAR patients (1998 to 2012), One-fourth of the patients in the study developed complications during a mean follow-up of five years. Most complications were asymptomatic imaging-detected. Ultrasound could detect most of the clinically significant complications.
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Cecchini, Federico. "Angiografia con CO2: definizione di parametri di pressione con iniettore Angiodroid, per il trattamento endovascolare degli aneurismi in aorta addominale." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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Gli aneurismi dell’aorta addominale (EVAR) sono una delle cause principali di morte al mondo. L’uso di endoprotesi rappresenta una valida alternativa alla tradizionale chirurgia aperta ed è al momento la metodologia più utilizzata per il trattamento di tali patologie. L'angiografia è un esame radiologico che consente la visualizzazione di determinati distretti vascolari al fine di studiarne morfologia e decorso e svelarne possibili alterazioni. L’uso della CO2 come mezzo di contrasto alternativo a quello iodato sta prendendo sempre più campo negli ultimi anni, ma ad oggi, la maggior parte delle tecniche prevede iniezioni attraverso un’operazione di tipo manuale, in cui non è possibile esercitare alcun controllo sulla pressione d’iniezione del gas. L'iniettore Angiodroid ha permesso di standardizzare tale processo consentendo di settare con precisione i parametri di iniezione. L’obiettivo di questo lavoro è quello di definire delle metodologie per calcolare i parametri di pressione, che possano essere utilizzati in futuro all’interno di un protocollo per l’utilizzo dell’iniettore Angiodroid, nel trattamento di EVAR. Il lavoro è stato sviluppato in due fasi: una fase di studio per comprendere i principi dell'angiografia e le proprietà della CO2 nel sistema vascolare attraverso l'osservazione diretta di procedure in sala operatoria. La seconda caratterizzata da un'attività di sperimentazione su un simulatore meccanico di aorta addominale, in laboratorio. I risultati ottenuti hanno dimostrato come attraverso misure specifiche riguardanti la resistenza idraulica dei cateteri e della linea monouso dell’iniettore Angiodroid e le grandezze endovascolari, sia possibile prevedere particolari situazioni di riempimento vascolare con la CO2. La definizione di parametri di iniezione oggettivi rappresenta una necessità, per poter rendere l’imaging con CO2 sempre più attendibile e ridurre l’utilizzo di mezzi di contrasto nefrotossici salvaguardando la salute del paziente.
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Gindre, Juliette. "Simulation spécifique patient de la réponse mécanique de la structure vasculaire à l'insertion d'outils lors d'une chirurgie EVAR." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSEI052/document.

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Dans ce travail de thèse, on s’intéresse au traitement endovasculaire de l’anévrisme de l’aorte abdominale (EVAR). Cette technique mini-invasive couramment utilisée et connaît une croissance importante depuis 10 ans. Elle repose sur l’exclusion du sac anévrismal par le déploiement au niveau de l’anévrisme d’une ou plusieurs endoprothèses introduites par voies fémorales. Au cours de l’intervention, plusieurs types d’outils de rigidité variable sont introduits pour permettre la navigation de l’endoprothèse. La structure vasculaire subit alors des déformations importantes. Ces déformations sont en général sans incidence sur le bon déroulement de l’intervention. Cependant dans certains cas, notamment pour les patients présentant des anatomies défavorables (fortes tortuosités ou angulations, important degré de calcification, longueur importante des artères iliaques communes et externes) les déformations produites par l’insertion des guides rigides peuvent avoir des conséquences sur le déroulement de l’intervention. Actuellement leur anticipation repose principalement sur l’expérience du chirurgien. La simulation mécanique semble être un outil adapté pour fournir des indicateurs plus objectifs et utiles au praticien lors du planning de son intervention : cette pratique permettrait en guidant et sécurisant le geste chirurgical de diminuer potentiellement les risques de complications peropératoires et postopératoires. La première étape du travail a consisté à développer un modèle mécanique de la structure aorto-iliaque et une méthode de simulation permettant de répondre au problème mécanique posé. Ce modèle a été paramétré de façon patient-spécifique à partir des données préopératoires disponibles. Puis la deuxième étape du travail a consisté à valider la modélisation développée en la confrontant à des données peropératoires réelles obtenus sur 28 cas de patients opérés au CHU Rennes. L’ensemble des méthodes développées à enfin été intégré à un module de démonstration du logiciel EndoSize® (Therenva, France)
Endovascular Aneurysm Repair (EVAR) is a mini-invasive technique that is commonly used to treat Abdominal Aortic Aneurysms (AAA). It relies on the exclusion of the aneurysm sac by introducing one or more stent-grafts through the femoral arteries and deploying them inside the aneurysm. During the procedure, several tools of varying stiffness are introduced to enable the delivery of the stent graft to its deployment site. During this process, the vascular structure undergoes major deformations. Usually, these have no consequence on the smooth progress of the procedure. However, in some instances, particularly when the patient presents an unfavorable anatomical profile (major tortuousness or angulation, deep calcification, long length of the common and external iliac arteries), the deformation caused by the insertion of stiff guidewires can have major consequences. Today, their prediction relies mainly on the surgeon’s experience. Numerical simulation appears to be an appropriate tool to give the practitioner more objective and more useful indicators when planning the procedure: guiding the surgical act and making it safer using such an approach would potentially reduce the risks of intraoperative and postoperative complications. In the first step of the work, we developed a mechanical model of the aorto-iliac vascular structure and a simulation methodology to answer the mechanical problem. This patient-specific model has been parametrized based on available preoperative data. Then the second step of the work consisted in the validation of this model by confronting the simulation results to real intraoperative 3D data that were collected on 28 cases of patients operated at the University Hospital of Rennes. All the methods that were developed during this PhD were integrated in demonstration module of EndoSize® software (Therenva, France)
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Schnell, Oliver Sven [Verfasser], and Sebastian Eike [Akademischer Betreuer] Debus. "Therapie des abdominellen Aortenaneurysmas : Vergleich zwischen EVAR und offener Operation. / Oliver Sven Schnell. Betreuer: Sebastian Eike Debus." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2016. http://d-nb.info/1111039194/34.

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Books on the topic "EVAR"

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Kiri, Pi Vi. Tamil̲ el̲uttāḷar yār? evar? Cen̲n̲ai: Maṇivācakar Patippakam, 2010.

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Civattampi, Kārttikēcu. Ilaṅkait Tamil̲ar--yār, evar? Kol̲umpu: Kol̲umput Tamil̲c Caṅkam, 2000.

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García, Carlos. Antologías y meridianos: Guillermo de Torre y Evar Méndez ( 1925-1929). Madrid: Del Centro Editores, 2013.

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Ārya, Dīpti. Bāla śrama: Cunautiyāṃ evaṃ sujhāva = Baal sharam : chunatiyan evam sujhav. Naī Dillī: Omegā Pablikeśansa, 2012.

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Ganguly, Bireshwar. Varṇavyavasthā evaṃ jātibheda prathā: Vedānta, Tantra evam itihāsa ke āloka meṃ. Dillī: Akhila Bhāratīya Darśana-Parishad, 2014.

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Porte, Barbara Ann. If you ever get lost: The adventures of Julia and Evan. New York: Greenwillow Books, 2000.

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Bhārata kī Lokatāntrika Yātrā evaṃ Cunāva (Seminar) (2012 Shree Bhagwan Mahavir P.G. College). Bhārata kī lokatāntrika yātrā evaṃ cunāva: Bharat ki loktantrik yatra evam chunav. Naī Dillī: Rādhā Pablikeśansa, 2012.

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For ever and ever. Grand Rapids, Mich: Zondervan Pub. House, 1993.

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Bahū kī khuśī evaṃ anya kahāniyām̐: Kahānī-saṅgraha = Bahu ki khushi evam anya kahaniyan. Jayapura: Bodhi Prakāśana, 2013.

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Gharagyozyan, Donara. Eva, Eva ... Eva: Patmvatskʻner. Erevan: "Nairi", 1991.

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Book chapters on the topic "EVAR"

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Johnson, Stephen, Jennifer Fraser, and Rajan Gupta. "Endoleaks Following EVAR." In Transcatheter Embolization and Therapy, 371–76. London: Springer London, 2009. http://dx.doi.org/10.1007/978-1-84800-897-7_37.

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Eckert, W., G. Fink, A. Kießling, R. Kompe, T. Kuhn, F. Kummert, M. Mast, et al. "EVAR: Ein sprachverstehendes Dialogsystem." In Informatik aktuell, 49–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-77809-4_6.

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Kölbel, T., and S. Debus. "Komplikationen nach endovaskulärer Aneurysmabehandlung (EVAR)." In Berliner Gefäßchirurgische Reihe, 59–68. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11719-0_8.

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Amin, Parth B. "EVAR Using the Powerlink Device." In Operative Dictations in General and Vascular Surgery, 879–81. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4614-0451-4_187.

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Annambhotla, Suman, and Melina R. Kibbe. "Infrarenal Abdominal Aortic Aneurysm: EVAR." In Endovascular Interventions, 355–65. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-7312-1_30.

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Taslakian, Bedros. "Endovascular Abdominal Aortic Aneurysm Repair (EVAR)." In Procedural Dictations in Image-Guided Intervention, 331–36. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-40845-3_76.

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Ho, Vy T., and Jason T. Lee. "Endovascular Aortic Repair (EVAR and TEVAR)." In Vascular Reconstructions, 501–6. New York, NY: Springer New York, 2021. http://dx.doi.org/10.1007/978-1-0716-1089-3_30.

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Nöth, E., and R. Kompe. "Der Einsatz prosodischer Information im Spracherkennungsyssystem EVAR." In Mustererkennung 1988, 2–9. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-662-08895-1_2.

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Sharifpour, Milad, and Salman Hemani. "Anaesthesia for Endovascular Aortic Aneurysm Repair (EVAR)." In Anesthesiology, 607–14. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-74766-8_63.

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Niemann, H., A. Brietzmann, R. Mühlfeld, P. Regel, and G. Schukat. "The Speech Understanding and Dialog System Evar." In New Systems and Architectures for Automatic Speech Recognition and Synthesis, 271–302. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-642-82447-0_10.

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Conference papers on the topic "EVAR"

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Morell Hofert, D., L. Gruber, and H. Gruber. "CEUS vs. CTA: das Dilemma nach EVAR." In Interdisziplinärer Kongress | Ultraschall 2019 – 43. Dreiländertreffen DEGUM | ÖGUM | SGUM. Georg Thieme Verlag KG, 2019. http://dx.doi.org/10.1055/s-0039-1695819.

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Demirci, Stefanie, Frode Manstad-Hulaas, and Nassir Navab. "Quantification of abdominal aortic deformation after EVAR." In SPIE Medical Imaging, edited by Michael I. Miga and Kenneth H. Wong. SPIE, 2009. http://dx.doi.org/10.1117/12.812566.

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Young, Eric S., F. Yalcin Yamaner, and Omer Oralkan. "Ultrasound-Based Post-Endovascular Aneurysm Repair (EVAR) Monitoring Device." In 2019 IEEE International Ultrasonics Symposium (IUS). IEEE, 2019. http://dx.doi.org/10.1109/ultsym.2019.8925764.

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Young, Eric S., F. Yalcin Yamaner, and Omer Oralkan. "Ultrasound-Based Post-Endovascular Aneurysm Repair (EVAR) Monitoring Device." In 2019 IEEE International Ultrasonics Symposium (IUS). IEEE, 2019. http://dx.doi.org/10.1109/ultsym.2019.8925770.

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Burke, Emmet, Patrick Felle, Claire Crowley, James Jones, Eleni Mangina, and Abraham G. Campbell. "Augmented reality EVAR training in mixed reality educational space." In 2017 IEEE Global Engineering Education Conference (EDUCON). IEEE, 2017. http://dx.doi.org/10.1109/educon.2017.7943058.

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Baek, S., S. T. Kwon, and J. E. Rectenwald. "Biomechanical Modeling of Intrasac Pressure Changes and Vascular Remodeling After Endovascular Repair of Abdominal Aortic Aneurysms." In ASME 2011 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2011. http://dx.doi.org/10.1115/sbc2011-53087.

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Endovascular repair (EVAR) is a minimally invasive method of repairing an abdominal aortic aneurysm (AAA) that is associated with shorter hospital stay, lower mortality, and other advantages compared with open surgery. During this operation, a stent graft is introduced through a femoral artery and is deployed with the proximal portion below the renal arteries. After EVAR, the aneurysm sac should ideally be excluded from aortic blood flow resulting in a much lower intrasac pressure than the systemic pressure. In reality, the intrasac pressure varies from case to case. For a successful EVAR, intrasac pressure gradually decreases to around 20–40 mmHg over time, while in many patients intrasac pressure remains relatively high or even close to the systemic pressure for some cases. Our literature study [1] indicates that intrasac pressure has a significant impact on post EVAR AAA size changes. Additionally, post-EVAR remodeling depends not only of the values of the intrasac pressure but also on how the pressure has changed over a period of time.
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Di Martino, Elena S., Michel S. Makaroun, and David A. Vorp. "Abdominal Aortic Aneurysm Wall Stresses After Endovascular Repair." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-32778.

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The early benefits of an endovascular approach to abdominal aortic aneurysm (AAA) treatment has been reported by many authors [1,2]. One of the major advantages is that endovascular repair of AAA (EVAR) as opposed to traditional open surgery, is not a major abdominal surgery. EVAR has been shown to be associated with a death rate comparable to that of surgical repair [3]. In short term follow-up, EVAR is associated with fewer complications and a more rapid recovery [2]. On the contrary very limited data is available on long term follow-up of EVAR patients. Graft-related secondary interventions affect a consistent percentage of the treated cases. The EUROSTAR study [4] recently reported 13% of reintervention in 15.4 months. Our surgical unit reported 20.6% across 48 months in a recent review of 242 cases [3]. The frequence and type of reintervention, whose principal cause is endoleak or perigraft flow, requires careful consideration.
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Di Martino, Elena S., Ajay Bohra, Christine Scotti, Ender Finol, and David A. Vorp. "Wall Stresses Before and After Endovascular Repair of Abdominal Aortic Aneurysms." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-61556.

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Endovascular aneurysm repair (EVAR) technique is a minimally invasive procedure approach to abdominal aortic aneurysm (AAA) repair. Following EVAR, isolated aortic tissue starts remodeling after the new blood path is established. The commercially available endovascular grafts (EVG) have been found to be prone to Type I endoleak, which is re-pressurization of the degenerated AAA sac following a breach in the seal mechanism of the EVG or migration due to failure of the mechanism holding the graft in place (Chuter, 2002) These inadequacies of EVGs might be attributed to the effect of non-optimal design of graft anchoring system. In the present study, we utilized pre-operative and post-operative computer tomography (CT) data with previously derived material properties to construct three-dimensional finite element (FE) models for AAA before and after the EVAR procedure. We studied the nature of stresses acting on the aorta before and after EVAR. In particular we investigated the physical forces acting on the EVG and how they are transferred to the aortic wall at graft anchoring sites.
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Ashton, John H., James A. M. Mertz, Megan J. Alexander, Marvin J. Slepian, Joseph L. Mills, and Jonathan P. Vande Geest. "Functional Endoluminal Paving (FELP): Thermoforming, Biodegradation, and Mechanical Properties of a Novel Polymer Graft for Abdominal Aortic Aneurysms." In ASME 2010 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/sbc2010-19463.

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The preferred method to treat abdominal aortic aneurysms (AAAs) is endovascular repair with a stent-graft (EVAR). Although EVAR is fairly successful, there are several challenges to address, which include patient ineligibility due to complex anatomy and long-term failure due to migration and endoleak. Drug treatments that reduce or halt AAA growth are also currently under investigation [1].
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Axelrod, Allan, Luca Carlone, Girish Chowdhary, and Sertac Karaman. "Data-driven prediction of EVAR with confidence in time-varying datasets." In 2016 IEEE 55th Conference on Decision and Control (CDC). IEEE, 2016. http://dx.doi.org/10.1109/cdc.2016.7799166.

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Reports on the topic "EVAR"

1

Lee, Jung Soo, and Hyunji Roh. Ever-Changing Mind. Ames: Iowa State University, Digital Repository, November 2015. http://dx.doi.org/10.31274/itaa_proceedings-180814-1271.

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Quah, John, Matthew Polisson, Shachar Kariv, and Aluma Dembo. Ever since Allais. The IFS, June 2021. http://dx.doi.org/10.1920/wp.ifs.2021.1521.

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Snowdon, L. R. Average rock-eval/TOC parameters. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1996. http://dx.doi.org/10.4095/207698.

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Mosby, Shea Morgan. The road goes ever on. Office of Scientific and Technical Information (OSTI), October 2019. http://dx.doi.org/10.2172/1569729.

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Peete, Lichele. Ever Glory Due Diligence Report. Office of Scientific and Technical Information (OSTI), May 2021. http://dx.doi.org/10.2172/1782416.

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Snowdon, L. R. Examples of rock-eval/TOC analyses. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1996. http://dx.doi.org/10.4095/207697.

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Allen, Steven. Can Union Labor Ever Cost Less? Cambridge, MA: National Bureau of Economic Research, September 1986. http://dx.doi.org/10.3386/w2019.

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van Leeuwen, Eveline S. Urban-rural interactions : more important than ever. Wageningen: Wageningen University & Research, 2018. http://dx.doi.org/10.18174/508329.

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Riederer, Bernhard, Nina-Sophie Fritsch, and Lena Seewann. Singles in the city: happily ever after? Verlag der Österreichischen Akademie der Wissenschaften, June 2021. http://dx.doi.org/10.1553/populationyearbook2021.res3.2.

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More people than ever are living in cities, and in these cities, more and more people are living alone. Using the example of Vienna, this paper investigates the subjective well-being of single households in the city. Previous research has identified positive and negative aspects of living alone (e.g., increased freedom vs. missing social embeddedness). We compare single households with other household types using data from the Viennese Quality of Life Survey (1995–2018). In our analysis, we consider overall life satisfaction as well as selected dimensions of subjective wellbeing (i.e., housing, financial situation, main activity, family, social contacts, leisure time). Our findings show that the subjective well-being of single households in Vienna is high and quite stable over time. While single households are found to have lower life satisfaction than two-adult households, this result is mainly explained by singles reporting lower satisfaction with family life. Compared to households with children, singles are more satisfied with their financial situation, leisure time and housing, which helps to offset the negative consequences of missing family ties (in particular with regard to single parents).
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Rundberg, Robert S. 229mTh and the Lowest Energy Gamma Ray, Ever. Office of Scientific and Technical Information (OSTI), June 2015. http://dx.doi.org/10.2172/1188196.

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