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VOA慢速英语[词汇典故]“心碎综合症”

2016-04-21    来源:普特英语听力    【      美国外教 在线口语培训
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Dying of a broken heart sounds like the ending of a romantic story.
 
But it actually happens.
 
The “broken heart syndrome,” usually affects people who have received very bad news.
 
Recently however, researchers discovered that even joyful events can kill you.
 
“Broken heart syndrome” is officially called Takotsubo syndrome, or TTS. It involves the sudden weakening of heart muscles. This weakening causes the left ventricle to expand abnormally at the bottom. If you remember from health class, the left ventricle is the chamber of the heart that pushes oxygen-rich blood through the body.
 
The symptoms of Takotsubo syndrome are acute chest pain and shortness of breath. The syndrome can lead to heart attacks and death.
 
Even though Takotsubo syndrome is fairly rare, the scientific community has studied how unexpected emotional shocks can cause a heart attack. These shocks are usually unpleasant, such as the death of a spouse or a violent argument.
 
However, no one had ever investigated whether an extremely happy event could give the same result.
 
Until now.
 
In 2011, a pair of researchers in Switzerland set up a global registry to track cases of the syndrome. Christian Templin and Jelena Ghadri are both with University Hospital Zurich.
 
Five years later, their registry involves a network of 25 hospitals spread across nine countries. They had collected data on 1,750 cases of the Takotsubo syndrome. This number of cases -- 1,750 -- is said to be “statistically significant” by scientific communities.
 
For the study, Templin and Ghadri led a team of 16 researchers. The team found that emotional shocks caused 485 of those 1,750 cases. And within that group of 485, a total of 20 people could be said to have suffered from “happy heart syndrome.”
 
In an interview, Ghardi said that the researchers have shown that the causes for TTS are more varied than previously thought. The disease can be caused by positive emotions, too.
 
The events that caused the 20 cases of “happy heart syndrome” include a birthday party, a wedding, a surprise farewell celebration, a favorite team winning a game, and the birth of a grandchild. However, none of these cases of “happy heart syndrome” caused death.
 
Ghadri and her team published their findings in the European Heart Journal.
 
So what is the important take-away from this study?
 
Emergency room doctors should be aware of the fact that patients with signs of heart attack could be suffering from TTS. And these TTS cases could be caused by either positive or negative experiences.
 
Another interesting take-away is that TTS affects mostly women.
 
For reasons the researchers do not yet understand, 95 percent of the patients in both the “broken heart” and “happy heart” groups are women. These women are mostly in their mid- to late-60s.
 
Ghadri said she and her team still do not know why women are mostly affected by the Takotsubo syndrome.
 
The fact that more women than men are affected by Takotsubo syndrome is even stranger when you consider that heart attacks are more common among men.
 
The researchers suspect that the hormone estrogen may play a part in how the disease operates. Women have much higher levels of estrogen than men. In men, testosterone is the dominant hormone.
 
Happy and sad life events are, of course, very different. Further studies are also needed to figure out if both events share the same pathway in the central nervous system for causing Takotsubo syndrome.
 
Japanese researchers discovered the condition. They named it after a traditional Japanese octopus trap. An enlarged heart suffering from Takotsubo syndrome looks like an octopus trap.
 
I’m Anna Matteo.

 一颗垂死且破碎的心,听起来像一个爱情故事的结局。

 
但它确实会发生。
 
"心碎综合症",通常会影响那些获得极坏消息的人。
 
然而,最近研究人员却发现,即使快乐也有可能杀了你。
 
"Takotsubo综合征"又称之为TTS,官方叫法是"心碎综合症"。它涉及到心脏肌肉突然减弱。这种弱化导致左心室异常扩大至底部。如果你还记得从生理卫生课学到的,左心室是心的商会,推动富氧血液流动于身体。
 
Takotsubo综合征的症状是急性胸痛和呼吸急促。综合征可以导致心脏病发作以及死亡。
 
尽管 Takotsubo 综合征是相当罕见的,科学界一直研究为何意想不到的情感冲击会导致心脏病发作。这些冲击是通常令人不愉悦的,诸如配偶去世或过于激烈的争执。
 
但是,没有人研究过是否极其快乐的事也会带来相同的结果。
 
直到现在。
 
2011年,两位来自瑞士的研究者在设置了全局注册表以跟踪例综合征。基督徒普林和伊莲娜Ghadri都来自苏黎世大学医院。
 
五年后,其注册表涉及一个横跨九个国家的25家医院的网络。他们收集1,750 例Takotsubo综合征的数据。此数据下, 1,750,科学界称其具有"统计学意义"。
 
为了研究,普林和Ghadri带领一队共16研究人员。研究小组发现,1,750 例中有485例是因为情感冲击造成的。在该组485例里,总共有20人可以说患有"开心综合症"。
 
在采访中,Ghardi说,研究者已经展示了形成TTS的原因更多种多样比预想。积极的情绪也会引起这种疾病。
 
造成这20例"开心综合征"的事件包括一场生日聚会,婚礼,惊喜告别庆祝活动,最喜欢的球队赢得一场比赛和一个孙子的诞生。然而,这些"开心综合征"案例,并未有一例造成死亡。
 
Ghadri和她的团队在《欧洲心脏杂志》上发表了他们的研究结果。
 
所以从这个研究中,我们又可以提取哪些重要信息?
 
急症室的医生应该要知道患者的心脏病发作迹象,可能是患有TTS这个事实。这些TTS例子可能是由正面或负面体验引起的。
 
另一个有趣的发现,TTS影响大多是妇女。
 
具体原因,研究人员尚不清楚,95%的病人患有"心碎综合征"和"开心综合征"群体是妇女。这些妇女患病大多是年近70的时候。
 
Ghadri说,她和她的团队依然不明白为什么妇女最容易受Takotsubo综合征影响。
 
当你认为心脏病发作更常见于男性,但女性却比男性更容易受Takotsubo综合征的影响这一事实就显得更奇怪了。
 
研究人员怀疑,雌激素可能对这种疾病产生有一定的影响。妇女雌激素比男性高很多。对男性来说,睾酮是占主导地位的激素。
 
快乐和悲伤的生活事件当然是非常不同的。深入研究更需要发现的是,如果这两类事件在中枢神经系统共享着相同的途径,是如何引起了Takotsubo综合征的。
 
日本研究人员发现一种情况。他们把它命名“传统日本章鱼陷阱”。因为Takotsubo综合征患心脏肿大看起来像是章鱼的陷阱。
 
我是Anna Matteo.


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