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st year, increasing from 21 surgeries in 2000, the first year he returned to Zhengzhou from Australia, he said.
Cheng hoped the schematic diagrams could make a contribution for the prevention and treatment of cardiovascular diseases in the future.
Besides his persistence on drawing the schematic diagrams, he also keeps improving techniques for his surgeries.
He has been using the 8-0 sutures, the most delicate and fine surg
ical stitches for heart surgeries, ever since he came back to the hospital in 2000.
“For the anastomosis (or connection) of tiny coronary blood vessel in heart surgery, th
e 8-0 sutures can maintain better blood flow to the heart compared with other size of threads,” Cheng said.
This is a challenge for a surgeon because he has to be very gentle in the process when co
nnecting the blood vessels of 1.5-2.0mm with this kind of fine sutures, either not too loose or not too tight.
Cheng is one of the five surgeons who use this technique in almost every case of coronary bypass operation in China, according to Dahe Daily.
nts to visit China in the future.Kendra Le, a Niles North freshman, was thrilled about Xi’s response letter, the Chicago Tribune reported.
“I was surprised, very surprised,” Le was quoted in the report as say
ing. “It was an honor to receive a letter from him. It was really nice getting a letter from him.”
The report also said that Zhao Jian, the Chinese consul general in Chicago, personally
delivered the letter to a gathering of students enrolled in Chinese classes at Niles North on April 3.
Serena Meyers, a Niles North senior taking her first year of Chinese after thr
ee terms of Spanish, was not only happy to receive the response, but also ple
ased at how the Chinese leader made an effort to answer the questions her classmates posed.
“I was absolutely surprised,” she told the Chicago Tribune. “He has a lot to do and it was a
n honor he wrote back to us.”The Niles North High School began offering Mandarin courses in 2008.