ฝึกพูดภาษาอังกฤษด้วยเทคนิค Shadowing จากวิดีโอ: SVINutes: Super Large Bore Thrombectomy
กำลังสร้างบทเรียน...
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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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Vocabulary and speaking notes for this lesson
This C1 speaking lesson is built on the video “SVINutes: Super Large Bore Thrombectomy”. The speaker keeps coming back to these words: catheter, thrombectomy, pass, vessel, trial. This video has 41 sentences and 603 words to shadow. The speech runs for 3:38. The speaker talks at a natural 166 words per minute, close to everyday conversation. Only 81% of the words are among the 3,000 most common in English, so the vocabulary is demanding.
Key vocabulary in this video
The 15 most advanced words in the video, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| catheter noun | /ˈkæθɪtɚ/ | A small tube inserted into a body cavity to administer a drug, create an opening, distend a passageway, or remove fluid. |
| thrombectomy noun | The surgical removal of a blood clot or thrombus from a blood vessel. | |
| aspiration noun | /ˌæspəˈɹeɪʃən/ | The act of aspiring or ardently desiring; an ardent wish or desire, chiefly after what is elevated or spiritual (with common adjunct adpositions being to and… |
| diameter noun | /daɪˈæmɪdɚ/ | Any straight line between two points on the circumference of a circle that passes through the center of the circle; a chord that passes through the center of… |
| distal adjective | /ˈdɪs.təl/ | Remote from the point of attachment or origin. |
| embolization noun | A nonsurgical, minimally invasive procedure that affects the selective occlusion of blood vessels by purposely introducing emboli. | |
| occlusion noun | /əˈkluː.ʒən/ | The process of occluding, or something that occludes. |
| randomized adjective | Obtained by randomization | |
| reperfusion noun | The restoration of blood flow to an organ, after it was cut off (e.g. in an operation). | |
| prospective adjective | /pɹəˈspɛktɪv/ | Likely or expected to happen or become. |
| substantially adverb | In a strong or substantial manner; considerably. | |
| canalisation noun | /ˌkænələˈzeɪʃən/ | The conversion of a river or other waterway to a canal. |
| intergrade verb | To pass or change from one state to another by steps or stages. | |
| interventional adjective | /ˌɪn.təɹˈvɛn.ʃə.nəl/ | Incorporating, or characterized by, intervention |
| languish verb | /ˈlæŋ.ɡwɪʃ/ | To lose strength and become weak; to be in a state of weakness or sickness. |
ไวยากรณ์ในวิดีโอนี้
โครงสร้างที่ผู้พูดใช้บ่อยที่สุด พร้อมคำพูดจริงจากวิดีโอ:
| โครงสร้าง | ในวิดีโอ |
|---|---|
| Present perfect have/has + กริยาช่อง 3 — เหตุการณ์ในอดีตที่ยังเกี่ยวข้องกับปัจจุบัน | has shown · have moved · has changed |
| Passive voice be + กริยาช่อง 3 — เน้นสิ่งที่เกิดขึ้น ไม่ใช่ผู้กระทำ | are sized · was presented |
Pronunciation to watch
The speaker uses 8 contractions and reduced forms, such as I'm, we're, we've. Say them the short way, as you hear them.
- The “sh” and “zh” sounds: aspiration /ˌæspəˈɹeɪʃən/, occlusion /əˈkluː.ʒən/, canalisation /ˌkænələˈzeɪʃən/, interventional /ˌɪn.təɹˈvɛn.ʃə.nəl/, languish /ˈlæŋ.ɡwɪʃ/
- Long words — get the stress right: aspiration /ˌæspəˈɹeɪʃən/, diameter /daɪˈæmɪdɚ/, canalisation /ˌkænələˈzeɪʃən/, interventional /ˌɪn.təɹˈvɛn.ʃə.nəl/, neurology /n(j)ʊ(ə)ˈɹɒləd͡ʒi/
How to practise with this video
- Listen to the whole video once without speaking and note the words you do not know.
- Start at 0.75× speed, shadow it sentence by sentence, then go back to normal speed once it feels easy.
- Record yourself and compare with the original, paying attention to words like catheter, thrombectomy, aspiration.
เทคนิค Shadowing คืออะไร?
Shadowing เป็นเทคนิคการเรียนรู้ภาษาที่ได้รับการรับรองทางวิทยาศาสตร์ พัฒนาขึ้นสำหรับการฝึกนักแปลมืออาชีพ วิธีการนี้เรียบง่ายแต่ทรงพลัง: คุณฟังเสียงภาษาอังกฤษจากเจ้าของภาษาและพูดตามทันที — เหมือนเงาที่ตามผู้พูดด้วยช่วงเวลาห่าง 1-2 วินาที การวิจัยแสดงว่าเทคนิคนี้ปรับปรุงความแม่นยำในการออกเสียง ทำนองเสียง จังหวะ การเชื่อมเสียง การฟังเข้าใจ และความคล่องแคล่วในการพูดได้อย่างมีนัยสำคัญ