Do you need to put a stent if Cardiovascular stenosis is 75%?
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Do you need to put a stent if Cardiovascular stenosis is 75%?
Do you need to put a stent if Cardiovascular stenosis is 75%? Under what circumstances is it suitable to place a stent? Is it necessary to place a stent if the coronary artery is blocked by more than 75%?
In the early 1980s, a doctor from Argentina put forward a bold idea. Since coronary heart disease and myocardial infarction are caused by excessive coronary artery stenosis, a stent that can be placed in a blood vessel is used to branch the blood vessel. Isn’t it all right?
This seemingly bold and unrealistic idea was finally realized clinically! And this idea eventually evolved into: heart stent!
The reason putting a stent as treatment is also quite simple, that is, the stent is placed in the patient’s body along with the blood vessel, so that the originally excessively narrow and blocked blood vessel will expand again and provide sufficient oxygen to the myocardium!
With the rapid development of cardiac stent technology, the penetration rate is getting higher and higher, and many patients with cardiovascular diseases have begun to blindly confident and praise this treatment.
Regardless of whether you meet the conditions for implanting a stent, as long as your body is unwell, especially when angina pectoris recurs, you will ask your doctor to place a stent! Driven by certain interests, the abuse of heart stents in many countries has become more and more serious.
So the question is, under what circumstances is it suitable to place a stent? Is it necessary to place a stent if the coronary artery is blocked by more than 75%?
First of all, as mentioned above, the outbreak of coronary heart disease and myocardial infarction is based on the excessive narrowing and blockage of the coronary arteries.
However, coronary artery stenosis is divided into four levels clinically:
The degree of first-degree stenosis is about 25~49%. This degree of stenosis does not meet the criteria for coronary heart disease, but is coronary atherosclerosis;
Secondary stenosis means that the coronary artery stenosis exceeds about 50~74%. This proportion of stenosis generally does not require stent and bypass surgery, because even if the coronary artery is narrowed, this blood flow can still be used by the myocardium. Patients often have no typical symptoms;
Grade 3 stenosis means that the stenosis of the coronary arteries reaches about 75% to 99%. In most cases, this degree of stenosis requires reconstruction of school movement, which means that the patient has to undergo bypass and stent surgery.
However, this is not completely absolute. For example, the patient’s stenosis area is about 75%, but the patient does not have any symptoms or discomfort. In this case, conservative treatment can be used to control the development of the disease;
Grade 4 stenosis means that the patient’s coronary artery stenosis has reached 100%, that is, the coronary artery has been completely blocked, and the patient will have myocardial infarction in a short period of time, requiring timely rescue. At this time, whether it is thrombolysis or stent placement, one word is needed: fast!
According to this standard, the area of coronary artery blockage has reached 75%, not all need to be placed with a stent, but the actual age, physical condition, symptom response and other aspects of the patient need to be judged!
For example, if a patient has unstable angina or repeated attacks of angina, it may develop into an acute myocardial infarction. In this case, regardless of whether the patient’s coronary artery blockage area reaches 75%, in order to avoid the sudden onset of myocardial infarction, a stent is placed It is the best way of treatment!
In addition to patients with unstable angina pectoris, patients with sudden acute myocardial infarction, exertional angina pectoris, patients with tetralogy of Fallot, and patients with complex congenital heart disease also need to place a heart stent after the body permits and the doctor conducts an examination. The purpose is to Restore normal heart function and avoid serious problems such as heart failure and myocardial infarction.
(source:internet, reference only)
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Important Note: The information provided is for informational purposes only and should not be considered as medical advice.
