How much the pruned flakes are retained depends on the specific case. In some patients, the large flap is completely cut off and only the root of the papillary muscle remains, while the small flap can completely retain the chordae. The large and small valves here refer to the anterior and posterior valves of the mitral valve. The anterior lobe has a large area and is therefore called a large lobe. The posterior lobe is so small that it is called the small lobe.
The tissue that can be preserved must be sutured and connected with the artificial valve. The part of the artificial valve that connects is called the annulus. In the second operation to remove the damaged artificial valve, the first valve ring must be completely removed, which will undoubtedly resect and damage these original human tissues.
It cannot be said that the doctor's operation in the first operation was not done well, resulting in a strange shape after the second incision. It was because the proliferative tissue grown on the artificial valve by the patient itself was not good, so the doctor had to cut it for the second surgery.
This is a lawless thing, bad organization must be cut.
After the incision, if you can judge the doctor's idea of the valve opening after the first operation, it will help to trim the original human tissue and suture it again. Xie's gaze was sharp, and the guidance he said in his mouth pointed out that the first operation doctor had reserved a large flap in the treatment of the subvalvular structure, even though the second operation doctor had just been forced to cut this part again. drop part.
After judging the environment around the structure under the reserved large petal, there is the protruding hypertrophy pointed out by Xie Wanying. The position and structure of this piece of fat meat are all ingenious, quite scheming, like a little devil hiding in the patient's heart. If you don't do calculations and don't think about it carefully, you can't see the problem at first glance.
It seems to be a bit strange. To completely turn the train of thought like Xie did, you need to circle your mind a few more times. Doctor Yu was a little dizzy because of this, he didn't dare to look at the surgeon questioningly for fear of being scolded, so he could only look at Senior Shi Lei beside him.
Shi Lei remained calm, ever since classmate Xie spoke, his mouth has been more tightly closed, more like a stone that can't speak.
He almost overturned the car, he knew very well that Xie's train of thought needed to be pondered and rethought.
How this muscle affects the valve orifice is difficult to understand just by looking at it intuitively. It should be combined with the breast muscle mentioned in Xie Wanying's words. What is the biggest feature of the ** muscle, it is activity.
It is equivalent to saying that what Xie calculates in his mind is not only the static state of the valve, but the dynamic diagram of the valve.
**When the muscle pulls the valve, it is definitely not only the valve that is moving, but the whole heart is moving. If the muscles near the valve orifice are called not moving at all, it is definitely not in line with human physiology.
For example, if you put something into a hole, whether the narrow hole you put things into is a completely fixed dead thing or a dynamic living thing is completely different. The range limit of the mouth energy of dead objects is much lower than that of living objects.
The idea to be opened is at this point.
"Yeah." The chief surgeon made a voice, indicating that the train of thought had been opened.
"I see."
Accompanied by the words from the assistant, Dr. Yu drooped his head: his brain hadn't turned the corner yet, it was almost dead.
It's really hard to be a doctor with a smooth mind.
Although I can't figure it out, it doesn't matter, Dr. Yu knows that there is another way to let the brain bypass the detour: see the results.