Shadowing Practice: SVINutes: Super Large Bore Thrombectomy - Learn English Speaking with Video
Les maken...
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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.
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Woordenschat en spreektips bij deze les
Deze spreekles op niveau C1 is gebaseerd op de video “SVINutes: Super Large Bore Thrombectomy”. Deze woorden komen het vaakst terug: catheter, thrombectomy, pass, vessel, trial. Deze video bevat 41 zinnen en 603 woorden om na te spreken. Het gesproken deel duurt 3:38. De spreker praat in een natuurlijk tempo van ongeveer 166 woorden per minuut, dicht bij een alledaags gesprek. Slechts 81% van de woorden hoort bij de 3.000 meest gebruikte Engelse woorden, dus de woordenschat is pittig.
Belangrijke woorden in deze video
De 11 moeilijkste woorden uit de video, met uitspraak en betekenis:
| Woord | Uitspraak | Betekenis |
|---|---|---|
| catheter zelfstandig naamwoord | /ˈkæθɪtɚ/ | katheter |
| diameter zelfstandig naamwoord | /daɪˈæmɪdɚ/ | middellijn, diameter |
| distal bijvoeglijk naamwoord | /ˈdɪs.təl/ | distaal |
| languish werkwoord | /ˈlæŋ.ɡwɪʃ/ | verzwakken, verslappen |
| millipede zelfstandig naamwoord | /ˈmɪləpid/ | miljoenpoot |
| neurology zelfstandig naamwoord | /n(j)ʊ(ə)ˈɹɒləd͡ʒi/ | neurologie |
| retriever zelfstandig naamwoord | /ɹiˈtɹivəɹ/ | retriever |
| summarize werkwoord | /ˈsʌməˌɹaɪz/ | samenvatten, opsommen |
| efficacy zelfstandig naamwoord | /ˈɛf.ɪ.kə.si/ | doeltreffendheid |
| likelihood zelfstandig naamwoord | /ˈlaɪklihʊd/ | waarschijnlijkheid |
| translate werkwoord | /tɹænzˈleɪt/ | vertalen, overzetten |
Grammatica in deze video
De structuren die de spreker het meest gebruikt, met de exacte woorden uit de video:
| Structuur | In de video |
|---|---|
| Present perfect have/has + voltooid deelwoord — iets uit het verleden dat nu nog telt | has shown · have moved · has changed |
| Lijdende vorm be + voltooid deelwoord — het gaat om wat er gebeurt, niet om wie het doet | are sized · was presented |
Uitspraak om op te letten
De spreker gebruikt 8 samentrekkingen en verkorte vormen, zoals I'm, we're, we've. Spreek ze kort uit, zoals je ze hoort.
- De klanken “sh” en “zh”: aspiration /ˌæspəˈɹeɪʃən/, occlusion /əˈkluː.ʒən/, canalisation /ˌkænələˈzeɪʃən/, interventional /ˌɪn.təɹˈvɛn.ʃə.nəl/, languish /ˈlæŋ.ɡwɪʃ/
- Lange woorden — let op de klemtoon: aspiration /ˌæspəˈɹeɪʃən/, diameter /daɪˈæmɪdɚ/, canalisation /ˌkænələˈzeɪʃən/, interventional /ˌɪn.təɹˈvɛn.ʃə.nəl/, neurology /n(j)ʊ(ə)ˈɹɒləd͡ʒi/
Klanken die Nederlandstaligen lastig vinden:
- Stemhebbende eindmedeklinker — /b/, /d/, /g/, /z/, /v/ niet verscherpen: prospective /pɹəˈspɛktɪv/, millipede /ˈmɪləpid/, perfuse /pəɹˈfjuːz/, summarize /ˈsʌməˌɹaɪz/, likelihood /ˈlaɪklihʊd/
- /æ/ — opener dan de Nederlandse “e”: catheter /ˈkæθɪtɚ/, aspiration /ˌæspəˈɹeɪʃən/, diameter /daɪˈæmɪdɚ/, canalisation /ˌkænələˈzeɪʃən/, languish /ˈlæŋ.ɡwɪʃ/
Zo oefen je met deze video
- Luister de hele video één keer zonder te spreken en noteer de woorden die je niet kent.
- Begin op 0,75× snelheid, spreek zin voor zin na en ga terug naar normale snelheid zodra het makkelijk gaat.
- Neem jezelf op en vergelijk met het origineel; let daarbij op woorden als catheter, diameter, distal.
Wat is de Shadowing-techniek?
Shadowing is een wetenschappelijk onderbouwde taalleermethode die oorspronkelijk is ontwikkeld voor professionele tolkentraining en gepopulariseerd door polyglot Dr. Alexander Arguelles. De methode is eenvoudig maar krachtig: je luistert naar native Engelse audio en herhaalt het onmiddellijk hardop — als een schaduw die de spreker volgt met slechts 1–2 seconden vertraging. In tegenstelling tot passief luisteren of grammaticadrills, dwingt shadowing je hersenen en mondspieren om echte spraakpatronen tegelijkertijd te verwerken en te reproduceren. Onderzoek toont aan dat het de uitspraaknauwkeurigheid, intonatie, ritme, verbonden spraak, luisterbegrip en spreekvaardigheid aanzienlijk verbetert — waardoor het een van de meest effectieve methoden is voor IELTS Speaking-voorbereiding en echte Engelse communicatie.