Intraoperative hemorrhage form innominate artery is very rare and often fatal complications during tracheostomy.是什么意思？

Intraoperative hemorrhage form innominate artery is very rare and often fatal complications during tracheostomy.

气管切开术中发生无名动脉大出血是相当罕见的并发症,而且往往有致命性的危险.

hemorrhage

n. （尤指大量的）出血，失血；vi. 大出血；

例句
These drugs will not be used if hemorrhage is the cause of the stroke.
药品禁忌症：出血性中风忌用。

form

n. 形状，形式，外形，方式，表

例句
A household radiator absorbs energy in the form of electric current and releases it in the form of heat.
家用取暖器吸收电流能量，再以热量的形式释放出来。

innominate

adj. 无名的，匿名的，髋骨的；

例句
Do 86 - year - old old people, innominate bone and thigh link place fracture energy operation?
86 岁 老人, 胯骨和大腿连接处骨折能手术 么 ?

artery

n. [解剖]动脉，干线，要道；

例句
The research institute is on the track of what causes the artery damage.
研究所正在探究动脉损伤的诱因。

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

very

adj. 很，非常，恰好是，正是，十足的，特有的；adv. 很，非常，充分，完全；

例句
Most people have very little difficulty in seeing why a Van Gogh is a work of genius.
多数人不难理解为什么凡·高的作品是天才之作。

rare

adj. 罕见的，特殊的，半熟的；半生的，稀薄的，经过稀化的，三分熟；

例句
It was one of his rare attempts at humour.
那是他极不常见的想要表现幽默的一次。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

often

adv. 常常，经常，时常，再三；

例句
Genetic abnormalities are more often associated with faults in paternal DNA than in maternal DNA.
相对于母本DNA,基因畸变往往更多地与父本DNA上的缺陷相关。

fatal

adj. 致命的，攸关的，毁灭性的，严重的，命中注定的，重大的；

例句
More than 750 commercial airliners were involved in fatal accidents last year. Added to that were the 1,550 smaller aircraft.
去年750多家商业航空公司遭遇过人员死亡的事故。另外还有1,550架小型飞机也出过同样的事故。

complications

n. （新出现的）困难，难题( complication的名词复数 )，<医>并发症，曲折；

例句
He died of complications from a heart attack.
他死于心脏病发作引起的并发症。

during

prep. 在…的时候，在…期间，当…之时，其间；

例句
...the accrual of funds used during construction.
建设过程中资金的累积