Prática de Shadowing: SVINutes: Super Large Bore Thrombectomy - Aprenda a falar inglês com vídeo
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Well hi, it's a real treat to be with you here today
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and talk to you about super large borothrombectomy and why you ought to be including these tools into your arsenal against stroke.
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I'm Sunil Sheth, I'm an associate professor at UT Health, vascular interventional neurology.
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So what is super large borothrombectomy?
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Here we're talking about aspiration using 88 inch diameter catheters or greater.
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The whole theory behind this approach is that these are catheters that are sized to match your target vessel.
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So you can see here the sizes of the different vessels
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that we approach and the most common occlusion that we face in the world of LVO is M1 occlusions.
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88 catheters will match
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that outer diameter to the vessel much better than any of the other catheter shapes and sizes that we have.
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Why is vessel matching so important.
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First is this concept of flow arrest, stopping enterograde flow and preventing distal embolization.
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It also, with larger inner diameter, is going to increase your aspiration force.
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This means you'll have more effective thrombectomy and then with that have less likelihood of distal embolization.
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So overall that translates to better first-pass reperfusion and that's really the target of every thrombectomy approach is improving that first-pass
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re-canalization and in in vitro studies large-bore aspiration has shown to do that.
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So as you put the catheter into the vessel you not only stop intergrade flow substantially
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but once you turn on aspiration the flow reverses and this is going to prevent dislembolization and also retain the clot
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in a much better fashion.
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So with in vitro data we have moved on to in vivo studies
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and if we look So if you look at how thrombectomy has changed over time, in the bad old days of mercy, well, it didn't really work,
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but really in the last 10 years we're talking about 2015
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to 2024 first pass effect has really languished in this 20 to 30 percent range where although we get bigger
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and bigger aspiration catheters going up to the 070 range the
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first pass effect has not substantially improved since the early days of stent retrievers back in 2015.
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So we need a step function we need a real step up in our performance
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and that's where super large has come in we want to get above at least 60% first pass effect.
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We are now living in a world where we actually have randomized and prospective trial data showing that we are there.
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This was one trial that was presented in the summer of 2025 from the perfuse company in the MARS trial.
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This is their primary efficacy data and as you can see here first pass effect with TIKI 2C 3 or greater.
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So this is not the usual 2B or greater, but 2C or greater, 61% with their millipede system.
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And in the M1, again, where you have vessel matching, 77%.
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These are numbers we have never seen before in rigorously collected prospective clinical trial data.
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Similarly, from the Route 92 group,
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the Summit Max trial was a randomized trial comparing their device against a 70 diameter catheter 74 and significantly better reperfusion results.
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So just to summarize, we are now living in the world of super large-bore thrombectomy.
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Super large-bore thrombectomy is the first real improvement on first-pass effect
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we've ever had in the last decade since we've been doing thrombectomy.
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So it's not a question of should you be doing thrombectomy, it's with super large bore catheters is
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if you want to provide the best care for your patients you need start including these tools into your arsenal.
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Thank you and appreciate this opportunity.
📺 Mesmo canal
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Vocabulário e dicas de fala para esta lição
Esta aula de conversação de nível C1 usa o vídeo “SVINutes: Super Large Bore Thrombectomy”. As palavras que mais se repetem: catheter, thrombectomy, pass, vessel, trial. Este vídeo tem 41 frases e 603 palavras para praticar shadowing. A fala dura 3:38. O falante fala em ritmo natural, cerca de 166 palavras por minuto, próximo de uma conversa do dia a dia. Apenas 81% das palavras estão entre as 3.000 mais comuns do inglês, por isso o vocabulário é exigente.
Vocabulário principal deste vídeo
As 15 palavras mais avançadas do vídeo, com pronúncia e significado:
| Palavra | Pronúncia | Significado |
|---|---|---|
| catheter substantivo | /ˈkæθɪtɚ/ | cateter |
| aspiration substantivo | /ˌæspəˈɹeɪʃən/ | aspiração |
| diameter substantivo | /daɪˈæmɪdɚ/ | diâmetro |
| distal adjetivo | /ˈdɪs.təl/ | distal |
| prospective adjetivo | /pɹəˈspɛktɪv/ | prospectivo |
| substantially advérbio | substancialmente | |
| languish verbo | /ˈlæŋ.ɡwɪʃ/ | definhar |
| millipede substantivo | /ˈmɪləpid/ | diplópode, milípede |
| neurology substantivo | /n(j)ʊ(ə)ˈɹɒləd͡ʒi/ | neurologia |
| rigorously advérbio | rigorosamente | |
| summarize verbo | /ˈsʌməˌɹaɪz/ | resumir |
| vascular adjetivo | /ˈvæskjələ/ | vascular |
| efficacy substantivo | /ˈɛf.ɪ.kə.si/ | eficácia |
| likelihood substantivo | /ˈlaɪklihʊd/ | probabilidade |
| translate verbo | /tɹænzˈleɪt/ | traduzir, verter |
Gramática neste vídeo
As estruturas que o falante mais usa, com as palavras exatas do vídeo:
| Estrutura | No vídeo |
|---|---|
| Present perfect have/has + particípio passado — uma ação passada que ainda importa agora | has shown · have moved · has changed |
| Voz passiva be + particípio passado — o foco está no que acontece, não em quem faz | are sized · was presented |
Pronúncia para ficar de olho
O falante usa 8 contrações e formas reduzidas, como I'm, we're, we've. Diga-as na forma curta, do jeito que você ouve.
- Os sons de “sh” e “zh”: aspiration /ˌæspəˈɹeɪʃən/, occlusion /əˈkluː.ʒən/, canalisation /ˌkænələˈzeɪʃən/, interventional /ˌɪn.təɹˈvɛn.ʃə.nəl/, languish /ˈlæŋ.ɡwɪʃ/
- Palavras longas — acerte a sílaba tônica: aspiration /ˌæspəˈɹeɪʃən/, diameter /daɪˈæmɪdɚ/, canalisation /ˌkænələˈzeɪʃən/, interventional /ˌɪn.təɹˈvɛn.ʃə.nəl/, neurology /n(j)ʊ(ə)ˈɹɒləd͡ʒi/
Sons difíceis para falantes de português:
- Consoante final — sem acrescentar um “i” depois: millipede /ˈmɪləpid/, likelihood /ˈlaɪklihʊd/, translate /tɹænzˈleɪt/
- /l/ final — a língua toca o céu da boca, não vira “u”: distal /ˈdɪs.təl/, interventional /ˌɪn.təɹˈvɛn.ʃə.nəl/
Como praticar com este vídeo
- Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
- Comece na velocidade 0,75×, faça shadowing frase por frase e volte à velocidade normal quando ficar fácil.
- Grave a sua voz e compare com o original, prestando atenção a palavras como catheter, aspiration, diameter.
O que é a Técnica de Shadowing?
Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.