Chapter 2963: 2963 All-out effort

“Boss, anesthesia is a big problem,” Su Yun said,”the cardiopulmonary bypass group can only get old he to do it first. We can’t take up so much time from the same group.”

“Yes, I’ll have to trouble old he to keep an eye on them. Old he will have to keep an eye on everything that goes wrong between Ecmo and cardiopulmonary bypass. ” Zheng Ren knew what Su Yun meant.

“Yes, because old he can’t keep an eye on them, do you want to call great Chu and little Chu over?” Su Yun asked.

“Is it convenient to go to the house?”

“I’ll ask again if you say you can. Otherwise, it’ll be so awkward if you say no when big Chu and little Chu come. “

“Come on, I’ll talk to director Xu. After all, we’ll have to do surgery training for about a week, and it’s not easy to get someone else from the Department of Anesthesiology to keep us company.” Zheng Ren nodded and settled the matter.

Lin Yuan and Gu Xiaoran rubbed their hands together. Anyone who had been working in the clinical field for some time would know that this surgery would definitely go down in history.

Autologous stem cell cloning and 3d printed lung transplantation would definitely leave a deep mark in the history of medicine. It might even turn the pages of modern medicine.

He waited for Yiren and old he to go to the community Hospital to prepare for surgery training.

The last time he had such an exaggerated preoperative training was when he performed the heart conjoined twins separation surgery in the Women’s and Children’s Hospital.

In terms of the surgery as a whole, it was less difficult than separating the conjoined hearts, but Zheng Ren was still prepared to go all out and not hold back any energy.

He even gathered the entire medical team again without hesitation.

Watching Su Yun bring Gu Xiaoran and Lin Yuan to the operating table in the demonstration room to do the preoperative preparation, Zheng Ren took the opportunity to go to the system space and purchase the surgery training time.

As the system operating theater rose up, Zheng Ren prayed silently in his heart and then went in.

Fortunately, just like he had imagined, the 3D printed cloned lung tissue was placed in the operating theater, and he did not have to pay a high price to buy it from the system store.

Zheng Ren was very satisfied with this.

The surgery began with anesthesia. Zheng Ren did not throw this piece to old he. After all, there was a fundamental difference between a 3D printed simulated human and a real human.

Zheng Ren began to try anesthesia and apply ECMO.

First, the mask was given 100% volume of pure oxygen to monitor the electrocardiography and blood oxygen saturation. After that, Zheng renxing placed a puncture tube on his right radial artery to monitor the blood pressure and analyze the blood gas.

The anesthesia induction was induced with 1 – 2 mg of mizodiazepine and 0.2 – 0.4 mg of etomidate. They were 2000000 grams each, 0.2 to 0.4 mg/kg of Shu fengang and 0.15 to 0.3 mg/kg of trakcumin synthesic acid.

After entering the muscle relaxation state, he began to insert the tracheal tube and connected it to a mechanical ventilator to assist breathing.

The anesthesia was maintained by an intravenous infusion of 0.03 to 0.05 nag.kg of anesthetics. 1.min, 1 – 2 ug/kg/min of vicurodine. The patient was also injected with intravenous anesthetics to maintain anesthesia.

Zheng Ren observed the condition of the experimental body for a while and did a blood analysis occasionally.

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The blood and Qi Value was not stable because the ventilation method used pressure control. Therefore, Zheng Ren adjusted the ventilation parameters according to the blood gas analysis indicators and vital signs, and decided to use manual ventilation when necessary.

After anesthesia induction, he inserted a tube into the right femoral vein. A 15 – 17 QR catheter was used for the femoral vein, and the tube was inserted to the level of the common ilial artery. The femoral vein was administered with a 19 – 21 RR catheter, which was inserted to the inferior vena cava. A full-heparin coated membrane lung, tube, a temperature changer, a centrifugal pump head, and an oager were selected. After the catheter was inserted, the patient began to receive fluid transfusion.

The maximum flow of ECMO was usually determined by the intubation. Every kind of intubation had its own special flow engine pressure curve. The larger the intubation, the higher the flow. For example, a No. 17 arterial tube could only achieve a flow of 4 to 5 L per minute, while a No. 21 arterial tube could achieve a flow of 6 L per minute without causing any additional pressure to the wall of the tube.

Considering little stone’s age, Zheng Ren tried many times and finally chose the most suitable type of intubation.

The initial blood flow was 50% of the interrupted cardiac output, and it was maintained at more than 30% during the resuscitation. The rotation speed and flow were adjusted according to the condition of oxygen supply and heart function during the surgery.

Zheng Ren did not buy an assistant to help him with the surgery. This time, he was just trying to gain some experience. Even though there was a lot of time left for surgery training, Zheng Ren was not prepared to “waste” it.

Zheng Ren did not think that the 3D printed cloned lung tissue could perform the surgery perfectly. If there were any abnormalities, he was prepared to send Su Yun away and “deceive” the world. He would use the lung tissue in the system space to replace the 3D printed lung tissue from the laboratory that Su Yun was familiar with.

It was very risky to do so, but Zheng Ren had already prepared for the worst for the success of the surgery.

The lung tissue that could be taken out for a real transplant could only be exchanged for hundreds of thousands of experience points, which was more expensive than the ones used in the system space.

‘I’ll take it one step at a time. I hope the lung tissue provided by Su Yun is reliable. ‘

When the surgery began, Zheng Ren noticed something unusual.

Before the ECMO’s flow rate dropped, he observed a phenomenon of “pipe vibration”.

This was because when the blood vessel volume was at a low level, the negative pressure in the ECMO line would cause the venous catheter to hit the vein wall.

Continuous tremors could cause an ECMO alarm or a “wall suction to decrease flow”. After lowering the ECMO flow rate, Zheng Ren found that the tremors could quickly subside. Then, he decided to expand his space while slowly increasing the traffic of ECMO to solve this problem.

Normally, the phenomenon of pipe vibrations was not rare in the use of ECMO. Mr. He must have encountered it many times. However, Zheng Ren was still very cautious as he resolved the situation of the pipeline’s tremors bit by bit. He even knew how to expand the expansion and how much dosage to give to prevent the pipeline from trembling.

It was just a small detail, but he had already wasted thirty hours of surgery training time.

As the surgeries became more and more serious, the time spent on surgery training also increased. Fortunately, he had a 3d printed simulation for training. Otherwise, if he bought an assistant from the operating theater system, he would probably only be able to train a few times after a series of training.

However, what made Zheng Ren more pleased was that the 3d printed cloned lung tissue brought by Su Yun was quite good. After the surgery was completed, the system actually gave an 88% surgery completion rate.

This completion rate was relatively low among the surgeries that Zheng Ren had performed before, but Zheng Ren had already proven that there was no essential difference between 3D printed tissues and tissues purchased in the system space.

As long as he was fine, Zheng Ren did not want to transform into a living person with his lungs and organs.

A laryngeal mirror and a blade were trivial matters, and he could explain them however he wanted. Even if Su Yun or anyone else had doubts, they would think that Zheng Ren had OCD and that it was just a coincidence.

But to conjure a lung out of thin air …

Selling human organs? If that was the case, the consequences would be unimaginable if they were noticed.

The cloned lungs should be useful. This was the best news Zheng Ren had received.

After spending sixty-two hours of surgery training, Zheng Ren felt that his standard was really not bad. ‘Organ transplant specialization’. Although the pig trotter did not give any explanation, Zheng Ren was sure that this specialization skill had played a huge role.

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