跟读练习: SVINutes: Super Large Bore Thrombectomy - 通过视频学习英语口语
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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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本课的词汇与口语要点
这节 C1 级别的口语课以视频“SVINutes: Super Large Bore Thrombectomy”为素材。 视频中反复出现的词有：catheter, thrombectomy, pass, vessel, trial。 这段视频共有 41 个句子、603 个单词可供跟读。 讲话部分时长为 3:38。 说话人语速自然，每分钟约 166 个词，接近日常对话。 只有 81% 的单词属于英语最常用的 3,000 词，词汇难度较高。
视频中的重点词汇
视频中最难的 14 个单词，附发音和释义：
| 单词 | 发音 | 释义 |
|---|---|---|
| catheter 名词 | /ˈkæθɪtɚ/ | 導管 /导管 |
| aspiration 名词 | /ˌæspəˈɹeɪʃən/ | 希望 |
| diameter 名词 | /daɪˈæmɪdɚ/ | 直徑 /直径 |
| distal 形容词 | /ˈdɪs.təl/ | 末梢部的 |
| substantially 副词 | 實貭上地 /实貭上地 | |
| languish 动词 | /ˈlæŋ.ɡwɪʃ/ | 憔悴 |
| millipede 名词 | /ˈmɪləpid/ | 馬陸 /马陆, 千足蟲 /千足虫 |
| neurology 名词 | /n(j)ʊ(ə)ˈɹɒləd͡ʒi/ | 神經學 /神经学 |
| retriever 名词 | /ɹiˈtɹivəɹ/ | 尋回犬 /寻回犬 |
| summarize 动词 | /ˈsʌməˌɹaɪz/ | 摘要, 總結 /总结 |
| vascular 形容词 | /ˈvæskjələ/ | 脉管的, 导管的 |
| efficacy 名词 | /ˈɛf.ɪ.kə.si/ | 功效, 效力 |
| likelihood 名词 | /ˈlaɪklihʊd/ | 可能性 |
| translate 动词 | /tɹænzˈleɪt/ | 翻譯 /翻译, 譯 /译 |
视频中的语法
说话人最常用的结构，并附上视频中的原话：
| 结构 | 视频中的用法 |
|---|---|
| 现在完成时 have/has + 过去分词 — 过去发生但与现在仍有关联的事 | has shown · have moved · has changed |
| 被动语态 be + 过去分词 — 强调发生了什么，而不是谁做的 | are sized · was presented |
需要注意的发音
说话人用了 8 次缩略和弱读形式，例如 I'm, we're, we've。请按听到的简短形式来说。
- “sh” 和 “zh” 音: aspiration /ˌæspəˈɹeɪʃən/, occlusion /əˈkluː.ʒən/, canalisation /ˌkænələˈzeɪʃən/, interventional /ˌɪn.təɹˈvɛn.ʃə.nəl/, languish /ˈlæŋ.ɡwɪʃ/
- 长单词——注意重音位置: aspiration /ˌæspəˈɹeɪʃən/, diameter /daɪˈæmɪdɚ/, canalisation /ˌkænələˈzeɪʃən/, interventional /ˌɪn.təɹˈvɛn.ʃə.nəl/, neurology /n(j)ʊ(ə)ˈɹɒləd͡ʒi/
中文母语者容易读错的音：
- /v/ — 不要读成 /w/，上齿轻触下唇: prospective /pɹəˈspɛktɪv/, interventional /ˌɪn.təɹˈvɛn.ʃə.nəl/, retriever /ɹiˈtɹivəɹ/, vascular /ˈvæskjələ/
- 词尾辅音 — 要读清楚，后面不要加元音: prospective /pɹəˈspɛktɪv/, languish /ˈlæŋ.ɡwɪʃ/, millipede /ˈmɪləpid/, perfuse /pəɹˈfjuːz/, summarize /ˈsʌməˌɹaɪz/
- /r/ 和 /l/ 的区别: interventional /ˌɪn.təɹˈvɛn.ʃə.nəl/, neurology /n(j)ʊ(ə)ˈɹɒləd͡ʒi/, translate /tɹænzˈleɪt/
如何用这段视频练习
- 先完整听一遍视频，不要开口，记下不认识的单词。
- 先用 0.75 倍速逐句跟读，熟练之后再回到正常速度。
- 录下自己的声音并与原声对比，特别注意 catheter, aspiration, diameter 这类单词。
什么是跟读法？
跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。