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2006年NPR美国国家公共电台五月-Tiny Video Camera Offers Inside View of H

时间:2007-07-20 05:50来源:互联网 提供网友:zhao6221133   字体: [ ]
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Alex Chadwick: From NPR News, it is Day to Day. The wonders of modern medicine often do cost us a little something in personal dignity. Think of this word, colonoscopy, if you haven't had the occasion to sample the procedure yet, you will know what I mean when you get a little older. Well, now, there is another development called Wireless1 Capsule Endoscopes. Doctor Sydney Spiesel, medical columnist2 for the online magazine Slate3, says these work better than the periscope4, like cameras, that are usually used to examine the intestines6. Doctor Spiesel spoke7 earlier with my colleague Madeleine Brand.

Madeleine Brand: Tell us about this new technology, why is it so thrilling?

Sydney Spiesel: This new technology, frankly8, knocks me out. Imagine, um, something that is, looks like and is about the same shape as and the same size as a large vitamin capsule. And believe it or not, it contains a video camera, four incredibly tiny little bitsy light sources, a television transmitter and a battery. And as soon as the patient swallows it, it gets activated9, and the disposal camera starts to transmit images of the inside of the intestines, about two images a second. And the patient wears a kind of pack on their belt that records all of this. As it drifts south through the patient, it just keeps running until the battery runs out, which is about 8 hours later, and which in most patients it's traveled the full length of the small intestine5.

Madeleine Brand: And then out it comes?

Sydney Spiesel: Oh, we certainly hope so, most of the time it comes out, we, hm, occasionally, in patients who have strictures, tightenings of the intestine as a result of illness, there have been some times when it's gotten stuck. Although in the studies that were done, well, it always sort of either washed out or it could be retrieved10 very easily.

Madeleine Brand: Well, why would you need to be rooting around in someone's intestines, what are you looking for?

Sydney Spiesel: Well, you are looking for diseases that affect the inside of the intestine. Sometimes, these are sort of obvious, you might have a patient who has some gastrointestinal bleeding, which might be a sign of a polyp, or it might be a sign of inflammation of the lining11 of the bowel12, it could be a sign even of a tumor13. And it turns out that the swallowed capsules are one of the best ways of identifying bleeding sites, but also there is a disease called Crohn's Disease, which causes a lot of misery14. It's really a, a very difficult disease, in a lot of ways. People are uncomfortable. They often have a lot of diarrhea and abdominal15 pain, and it turns out that the capsule method is much more sensitive, as a way of diagnosing Crohn's Disease than the endoscope, that is the visual things that doctors might pass up or down through a patient, in this case pass up through a patient.

Madeleine Brand: And Syd, I understand there was a recent study in Berlin that compared this new high tech method of diagnosing Crohn's Disease with the regular method. And, and how did the wireless high tech method measure up?

Sydney Spiesel: Well, the high-tech16 method turned out to be much better than the previous methods that involved either looking or doing X-rays. Eh, this group in Berlin at Humboldt University, found that they were able to diagnose the disease 35% more frequently than the best results obtained by the best methods, the methods that were formerly17 thought to be sort of the gold standard methods. So it clearly is, is much better. It also identifies the disease higher up in the small intestine than anyone expected it would be, which might change our strategy about how to treat the disease.

Madeleine Brand: Expert opinion from Doctor Sydney Spiesel. He's a Yale medical professor and a columnist for Slate.com. Thank you Syd.

Sydney Spiesel: Thank you.

Alex Chadwick: And that interview by my colleague Madeleine Brand.

---------------------
Words in NPR
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colonoscopy: [医]结肠镜检查
Wireless Capsule Endoscope: 无线胶囊内镜
Slate: 《石板书》,有一些深度评论,现已被msn收购
knock out: 敲空,击倒,打破,破坏,使筋疲力竭
stricture: a rule that strictly limits what you can do;(体内管道的)狭窄
gastrointestinal: of or relating to the stomach and intestines;胃肠的,与胃肠有关的
polyp: a small lump that grows inside your body because of an illness, but is not likely to harm you;息肉
Crohn's Disease: 克罗恩氏病(CD),一种慢性肉芽肿性炎症,病变可累及胃肠道各部位,而以末段回肠及其邻近结肠为主,多呈节段性,非对称性分布
diarrhea: an illness in which waste from the bowels is watery and comes out often;痢疾,腹泻
Humboldt University: 德国洪堡柏林大学


点击收听单词发音收听单词发音  

1 wireless Rfwww     
adj.无线的;n.无线电
参考例句:
  • There are a lot of wireless links in a radio.收音机里有许多无线电线路。
  • Wireless messages tell us that the ship was sinking.无线电报告知我们那艘船正在下沉。
2 columnist XwwzUQ     
n.专栏作家
参考例句:
  • The host was interviewing a local columnist.节目主持人正在同一位当地的专栏作家交谈。
  • She's a columnist for USA Today.她是《今日美国报》的专栏作家。
3 slate uEfzI     
n.板岩,石板,石片,石板色,候选人名单;adj.暗蓝灰色的,含板岩的;vt.用石板覆盖,痛打,提名,预订
参考例句:
  • The nominating committee laid its slate before the board.提名委员会把候选人名单提交全体委员会讨论。
  • What kind of job uses stained wood and slate? 什么工作会接触木头污浊和石板呢?
4 periscope IMhx2     
n. 潜望镜
参考例句:
  • The captain aligned the periscope on the bearing.船长使潜望镜对准方位。
  • Now,peering through the periscope he remarked in businesslike tones.现在,他一面从潜望镜里观察,一面用精干踏实的口吻说话。
5 intestine rbpzY     
adj.内部的;国内的;n.肠
参考例句:
  • This vitamin is absorbed through the walls of the small intestine.这种维生素通过小肠壁被吸收。
  • The service productivity is the function,including external efficiency,intestine efficiency and capacity efficiency.服务业的生产率是一个包含有外部效率、内部效率和能力效率的函数。
6 intestines e809cc608db249eaf1b13d564503dbca     
n.肠( intestine的名词复数 )
参考例句:
  • Perhaps the most serious problems occur in the stomach and intestines. 最严重的问题或许出现在胃和肠里。 来自辞典例句
  • The traps of carnivorous plants function a little like the stomachs and small intestines of animals. 食肉植物的捕蝇器起着动物的胃和小肠的作用。 来自辞典例句
7 spoke XryyC     
n.(车轮的)辐条;轮辐;破坏某人的计划;阻挠某人的行动 v.讲,谈(speak的过去式);说;演说;从某种观点来说
参考例句:
  • They sourced the spoke nuts from our company.他们的轮辐螺帽是从我们公司获得的。
  • The spokes of a wheel are the bars that connect the outer ring to the centre.辐条是轮子上连接外圈与中心的条棒。
8 frankly fsXzcf     
adv.坦白地,直率地;坦率地说
参考例句:
  • To speak frankly, I don't like the idea at all.老实说,我一点也不赞成这个主意。
  • Frankly speaking, I'm not opposed to reform.坦率地说,我不反对改革。
9 activated c3905c37f4127686d512a7665206852e     
adj. 激活的 动词activate的过去式和过去分词
参考例句:
  • The canister is filled with activated charcoal.蒸气回收罐中充满了活性炭。
10 retrieved 1f81ff822b0877397035890c32e35843     
v.取回( retrieve的过去式和过去分词 );恢复;寻回;检索(储存的信息)
参考例句:
  • Yesterday I retrieved the bag I left in the train. 昨天我取回了遗留在火车上的包。 来自《简明英汉词典》
  • He reached over and retrieved his jacket from the back seat. 他伸手从后座上取回了自己的夹克。 来自辞典例句
11 lining kpgzTO     
n.衬里,衬料
参考例句:
  • The lining of my coat is torn.我的外套衬里破了。
  • Moss makes an attractive lining to wire baskets.用苔藓垫在铁丝篮里很漂亮。
12 bowel Bszzy     
n.肠(尤指人肠);内部,深处
参考例句:
  • Irritable bowel syndrome seems to affect more women than men.女性比男性更易患肠易激综合征。
  • Have you had a bowel movement today?你今天有排便吗?
13 tumor fKxzm     
n.(肿)瘤,肿块(英)tumour
参考例句:
  • He was died of a malignant tumor.他死于恶性肿瘤。
  • The surgeons irradiated the tumor.外科医生用X射线照射那个肿瘤。
14 misery G10yi     
n.痛苦,苦恼,苦难;悲惨的境遇,贫苦
参考例句:
  • Business depression usually causes misery among the working class.商业不景气常使工薪阶层受苦。
  • He has rescued me from the mire of misery.他把我从苦海里救了出来。
15 abdominal VIUya     
adj.腹(部)的,下腹的;n.腹肌
参考例句:
  • The abdominal aorta is normally smaller than the thoracic aorta.腹主动脉一般比胸主动脉小。
  • Abdominal tissues sometimes adhere after an operation.手术之后腹部有时会出现粘连。
16 high-tech high-tech     
adj.高科技的
参考例句:
  • The economy is in the upswing which makes high-tech services in more demand too.经济在蓬勃发展,这就使对高科技服务的需求量也在加大。
  • The quest of a cure for disease with high-tech has never ceased. 人们希望运用高科技治疗疾病的追求从未停止过。
17 formerly ni3x9     
adv.从前,以前
参考例句:
  • We now enjoy these comforts of which formerly we had only heard.我们现在享受到了过去只是听说过的那些舒适条件。
  • This boat was formerly used on the rivers of China.这船从前航行在中国内河里。
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TAG标签:   npr  公共电台  video  camera  offer
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