Zhou Cheng took the guidewire and, without hesitation, leaned close to the angiography machine screen, staring intently at the vascular images.

Gently rotate the end of the guidewire with your finger to feel its flexibility.

Then, by comparing the winding blood vessel patterns on the screen, quickly plan the push route.

Zhang Lei's anterior descending artery was not only completely blocked, but there were also two near 90-degree bends in front of the blockage. The vessel wall was also rough due to long-term smoking, with plaque protrusions in many places.

If not handled carefully, the guidewire may puncture the blood vessel wall, causing coronary artery dissection or even bleeding, or it may get stuck in the gap between plaque and the bend of the blood vessel and become unable to move.

Zhou Cheng did not rush to push the guidewire, but instead gently inserted the tip of the guidewire into the catheter, leaving only a small section exposed.

Using the real-time images from the angiography machine, the angle of the guidewire is slowly adjusted to keep the tip of the guidewire parallel to the blood vessel inlet.

"Su Yi, adjust the angiography machine angle again, focusing on the near bend of the anterior descending support."

Zhou Cheng's voice was steady, without a trace of panic. Even though it was his first time operating such a complex part independently, his hand movements did not tremble at all.

Su Yi nodded, swallowed hard, and immediately adjusted the angiography machine as instructed. The details of the tortuous blood vessels were clearly displayed on the screen.

That bend was like a water pipe that had been forcibly twisted into a dead angle—narrow and extremely rigid.

……

Zhou Cheng stared at the screen and slowly rotated the guidewire.

Slightly bend the tip of the guidewire, align it with the direction of the blood vessel bend, and apply gentle force.

Push forward little by little!

The guidewire got stuck as soon as it entered the first bend and could not go any further.

Even with the slightest force, the guidewire just wobbled in place, showing no sign of moving forward!

Instead, it tends to push against the blood vessel wall!

"Don't use too much force, it's easy to damage blood vessels," Director Chen Ming reminded him from the side, his tone tinged with worry, his eyes fixed on the guide wire on the screen.

Zhou Cheng nodded, but did not exert any more force. Instead, he gently withdrew the guide wire.

Adjust the angle and bend the tip of the guidewire into a slight arc.

Avoid the plaque on the blood vessel wall, and slowly push along the inside of the blood vessel's bend!

This time, the guidewire moved slightly, but was quickly blocked by a second, sharper bend.

Li Yaping leaned closer, his brow furrowed: "This is the narrowest part, and there are calcified plaques on the blood vessel wall, making it very difficult for the guide wire to go around. I've tried three times just now, and it's stuck here every time."

Zhou Cheng didn't speak, continuing to stare at the screen.

He gently twisted the guidewire, feeling the resistance transmitted back through it, to assess the condition inside the blood vessel.

Zhou Cheng could feel that the tip of the guidewire touched the edge of the plaque.

It is hard and smooth, and will slip if you apply a little force, making it impossible to gain leverage!

……

He let out a long sigh and slowly withdrew the guide wire.

The others were also quite disappointed, thinking that this was all Zhou Cheng could do.

What was unexpected was that after Zhou Cheng withdrew the guide wire, he did not stop and started his operation again!

He first adjusted the tip of the guidewire to a gentler curve, and then stopped forcibly pushing it towards the bend.

Instead, it deviated slightly from the intended direction, cautiously probing forward along the inner side of the blood vessel wall.

The guidewire moves slowly, avoiding areas where plaque protrudes, and follows the natural course of the blood vessel, gradually approaching the second bend.

At this moment, Zhang Lei's heart rate began to fluctuate again, and his blood pressure dropped slightly.

Su Yi immediately reminded him, "Zhou Cheng, the patient's heart rate is 58 and blood pressure is 85/50. We might need to speed things up a bit!"

Zhou Cheng remained calm, his movements steady, only slightly increasing the speed of the push.

Every second that is wasted now will cause more of Zhang Lei's heart muscle cells to die. He must get through the bend and reach the blockage as quickly as possible!

He stared at the screen, precisely controlling the guidewire.

At the second bend, gently rotate the guidewire so that the tip of the guidewire slowly passes through along the curve of the bend.

During the process, the guidewire slipped several times, but Zhou Chengdu adjusted the angle in time and gradually broke through the resistance by precisely controlling the guidewire.

Just as the guidewire was about to pass through the second bend, it was suddenly blocked by a protruding calcified plaque, and the tip of the guidewire could not continue to advance, and even showed slight signs of bending.

"Oh no, the guidewire is about to break!" Li Yaping whispered, reaching out to help Zhou Cheng adjust it.

Zhou Cheng raised his hand, signaling him not to move.

He gently retracted the guidewire while slightly rotating it.

Carefully guide the guidewire tip away from the plaque protrusions and slowly push it through the gap between the plaque and the blood vessel wall!

This step is extremely crucial!

The gap is narrow, and if you are not careful, the guidewire may puncture the blood vessel wall or get stuck in the gap and be unable to move.

Zhou Cheng's eyes never left the screen, and his movements were precise to the millimeter, pushing the guide wire little by little.

Pause after each small section is advanced to observe the angiographic images, confirming that the guidewire has not deviated from its direction or damaged the blood vessel wall, before continuing.

……

Director Chen Ming stood to the side, his tense expression gradually easing, his eyes showing more surprise and approval.

He knew Zhou Cheng was quite capable; although he had only performed two surgeries, his surgical proficiency far surpassed that of the average novice.

But to everyone's surprise, he was able to execute such precise maneuvers!

Chen Ming and Li Yaping both tried to access these complex blood vessels, and both failed!

Faced with such adverse vascular conditions, Zhou Cheng not only remained calm but also found a way to overcome them.

Su Yi stared intently at the screen, barely daring to breathe, gripping the equipment tightly in his hands, ready to cooperate with Zhou Cheng at any moment.

He now truly admires Zhou Cheng; Zhou Cheng is actually trying to handle something that his two superiors couldn't manage!

This was something utterly unbelievable to him, yet it actually happened right before his eyes.

……

Zhou Cheng continued with the operation.

The guidewire finally passed through the second bend and was getting closer and closer to the blockage.

However, the blood clot at the blockage site is very hard, like a piece of solidified cement, firmly blocking the blood vessel.

The tip of the guidewire was pressed against the thrombus, and no matter how much force was applied, it could not be broken through.

Zhou Cheng did not rush to exert force, but instead adjusted the tip of the guidewire to a sharp angle and gently probed the edge of the thrombus to find its weak point.

He moved the guidewire little by little, repeatedly probing the surface of the thrombus.

Finally, a tiny gap was found at the edge of the blood clot!

Zhou Cheng immediately seized the opportunity, gently applied force, and inserted the tip of the guide wire into the gap.

Then push it slowly, penetrating the blood clot little by little.

During this process, the guidewire was stuck by blood clots several times.

Zhou Cheng remained patient, adjusting his angles gradually and making breakthroughs step by step.

"The guidewire is moving! It's passing through the blood clot!"

Su Yi couldn't help but call out in a low voice, his tone full of surprise.

Everyone's eyes were focused on the screen.

Watching the guidewire slowly penetrate the hard blood clot and move towards the distal end of the blood vessel.

By this time, Zhou Cheng's forehead was already covered in fine sweat, which trickled down his cheeks and soaked the collar of his surgical gown.

But he was completely unaware and continued to operate the guidewire with complete focus.

……

He continued to push the guidewire until it had completely passed through the blockage and reached the distal end of the blood vessel.

The angiography machine screen showed that the guidewire passed smoothly without deviating from the blood vessel course or damaging the blood vessel wall.

Zhou Cheng finally breathed a sigh of relief, slowly straightened up, wiped the cold sweat from his forehead, and calmly turned to look at the two senior doctors beside him.

"Director Chen, Teacher Li, the guidewire has passed."

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