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   is her hometown. Xie Wanying thought.

   "As for why it's re-narrow?" Yue Wentong glanced at classmate Feng when he said this.

   Does this question need to be asked?

  In-stent restenosis is all too common. Besides, did he just say that the patient was sent to the emergency department due to in-stent restenosis?

   Feng Yicong blinked and looked at the ceiling, hating himself for speaking without thinking. The monitor is the top student in the class, second only to Yingying, the female student.

  How could he have suspected in-stent restenosis before the patient did coronary angiography. Maybe other arteries are blocked, or maybe it's something else.

Pan Shihua swallowed his food and said something fair to Feng, saying: "I can be sent to the emergency department in a few months, and I just had an angiography a few months ago. Other blood vessels are temporarily fine. The possibility of another accident in the stent should be relatively high. Tall.—What do you think, Yingying?"

   When asked about her opinion by a classmate, Xie Wanying recalled that the drug stent had not yet come out in this era, and the bare stent was too easy to restenosis, so it became a major obstacle to stent surgery. In fact, the direction of the two students' questions is correct. It's just that the squad leader is a very cautious person. He won't say that he is suspicious before the results of the angiography examination. The squad leader has nothing to say. It may be that patients with in-stent restenosis who come to the emergency department are very common, which means that the reason is unlikely to be that the special place of this patient needs Brother Jin to come down specially.

   "The squad leader didn't finish his speech." Xie Wanying said.

   When she pointed out that he had not finished speaking, Yue Wentong was stunned for a moment, and his eyes turned towards her with a hint of meaning. The two classmates, the class leader, seem to be a bit predictable. The difference is that the logic of Pan's speculation belongs to the superficial level, while the speculation logic of this female scholar in their class belongs to the deep level, and there are brain secrets that others do not know.

   "The teachers decided to puncture the radial artery for him." Yue Wentong said the key point.

   "Not through the femoral artery, but through the radial artery, why?" Feng Yicong asked, not afraid of being re-educated by the monitor.

  The surgical approach of PCI is generally these three, femoral artery, radial artery, brachial artery.

   Among the three arteries, the femoral artery is the farthest from the heart, but it is the thickest and the easiest to puncture and put in the guide wire. The radial artery and the brachial artery are closer to the heart, but the diameter of the blood vessels is small, and there are several thresholds to pass through the path to the coronary arteries of the heart. The road is not as smooth as the femoral artery, so it is not easy to succeed.

   Clinicians basically prefer the femoral artery as the surgical route without special circumstances. The selection of the radial artery must be due to the patient's own special circumstances that trigger the contraindication of the femoral artery approach.

   "The patient has arteriosclerosis obliterans? Are you taking anticoagulants?" Pan Shihua cited possible reasons.

  Student Pan's grades are also excellent in the class, otherwise he would not have been approved to enter the clinical practice in advance.

   (end of this chapter)