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VOA科学技术2022--用VR建立虚拟手术室 医生成功分离巴西一对头部连体双胞胎

时间:2022-08-25 02:47:21

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VR Technology Helps Doctors Successfully Separate Joined Twins

A team of doctors has used virtual reality technology to prepare for an operation that successfully separated twins joined at the head.

Virtual reality, or VR, is a computer environment designed to simulate real-life conditions and objects. People can use headsets or other electronic equipment to experience VR environments.

VR technology was used by doctors in Brazil and Britain who were involved in the operation, or surgery, involving the joined twins.

The twin boys are named Arthur and Bernardo. They were born in a rural part of northern Brazil in 2018. The two were joined at the head and shared some brain tissue.

Doctors in Brazil had attempted to separate the boys in the past, but they were unsuccessful. Medical experts had advised the parents that performing further surgery would be too risky1.

But the hospital that cared for the twins for the past two-and-a-half years decided2 to contact a British charity that has financed and provided medical teams to support similar separations.

The charity is called Gemini Untwined. Its creator and director is Noor ul Owase Jeelani. He is a surgeon at London's Great Ormond Street Hospital for Children. Jeelani specializes in separating joined twins, especially those linked at the head.

Gemini Untwined has helped carry out several successful surgeries of child twins since it was established in 2018. But Jeelani said the separation of Arthur and Bernardo was the most difficult operation yet.

He explained in a statement that this is because the boys shared important veins4 in the brain. At four years old, the twins were also the oldest with connected brain tissue to try separation surgery, Jeelani added.

The process to separate the twins – carried out at Rio's Paulo Niemeyer State Brain Institute – was long and intense. Jeelani said a total of seven surgeries, involving more than 100 medical workers, were required. The final two operations in June lasted about 33 hours. He said the surgeries were completely successful.

Jeelani said a major reason for the successful separation was the VR training the medical teams from Britain and Brazil received in the months leading up to the real-life operations.

The teams used brain scans of the boys to create a digital map of their shared heads and brain tissue. Using this data, doctors performed several trial operations with the use of VR equipment. The simulated surgeries permitted the teams to try out different methods that were used in the actual operations.

VR technology is currently used in a number of ways in the medical field, including past separation surgeries involving twins. But Jeelani said it was the first time the technology has been used for this purpose in Brazil.

Speaking to Britain's PA Media news agency, Jeelani said, "It's just wonderful, it's really great to see the anatomy5 and do the surgery before you actually put the children at any risk."

He added that VR training before this kind of operation is "reassuring6" for the surgeons involved. "In some ways these operations are considered the hardest of our time," Jeelani added. "And to do it in virtual reality was just really man-on-Mars stuff," meaning the technology was something really unusual and complex.

The boys' mother, Adriely Lima, expressed the family's relief and happiness as they look forward to finally bringing the twins home. "We've been living in the hospital for nearly four years," she said. Lima added, "Our heart is full of gratitude7."

Words in This Story

twins – n. two babies born at the same time to the same mother

simulate – v. to do or make something that looks real, but is not

charity – n. an official organization that gives money, food or helps people in need

vein3 – n. one of the tubes in the body that carries blood to the heart

scan – v. to use a special machine to read or copy images into a computer

anatomy – n. the scientific study of the body and how its parts are arranged

reassure8 – v. say something to stop someone from worrying

gratitude – n. the feeling or quality of being grateful: feeling or showing thanks


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1 risky IXVxe     
adj.有风险的,冒险的
参考例句:
  • It may be risky but we will chance it anyhow.这可能有危险,但我们无论如何要冒一冒险。
  • He is well aware how risky this investment is.他心里对这项投资的风险十分清楚。
2 decided lvqzZd     
adj.决定了的,坚决的;明显的,明确的
参考例句:
  • This gave them a decided advantage over their opponents.这使他们比对手具有明显的优势。
  • There is a decided difference between British and Chinese way of greeting.英国人和中国人打招呼的方式有很明显的区别。
3 vein fi9w0     
n.血管,静脉;叶脉,纹理;情绪;vt.使成脉络
参考例句:
  • The girl is not in the vein for singing today.那女孩今天没有心情唱歌。
  • The doctor injects glucose into the patient's vein.医生把葡萄糖注射入病人的静脉。
4 veins 65827206226d9e2d78ea2bfe697c6329     
n.纹理;矿脉( vein的名词复数 );静脉;叶脉;纹理
参考例句:
  • The blood flows from the capillaries back into the veins. 血从毛细血管流回静脉。 来自《简明英汉词典》
  • I felt a pleasant glow in all my veins from the wine. 喝过酒后我浑身的血都热烘烘的,感到很舒服。 来自《简明英汉词典》
5 anatomy Cwgzh     
n.解剖学,解剖;功能,结构,组织
参考例句:
  • He found out a great deal about the anatomy of animals.在动物解剖学方面,他有过许多发现。
  • The hurricane's anatomy was powerful and complex.对飓风的剖析是一项庞大而复杂的工作。
6 reassuring vkbzHi     
a.使人消除恐惧和疑虑的,使人放心的
参考例句:
  • He gave her a reassuring pat on the shoulder. 他轻拍了一下她的肩膀让她放心。
  • With a reassuring pat on her arm, he left. 他鼓励地拍了拍她的手臂就离开了。
7 gratitude p6wyS     
adj.感激,感谢
参考例句:
  • I have expressed the depth of my gratitude to him.我向他表示了深切的谢意。
  • She could not help her tears of gratitude rolling down her face.她感激的泪珠禁不住沿着面颊流了下来。
8 reassure 9TgxW     
v.使放心,使消除疑虑
参考例句:
  • This seemed to reassure him and he continued more confidently.这似乎使他放心一点,于是他更有信心地继续说了下去。
  • The airline tried to reassure the customers that the planes were safe.航空公司尽力让乘客相信飞机是安全的。

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