What Is Coronary Stenosis?

The so-called coronary stenosis is caused by atherosclerosis. When the stenosis is caused to a certain extent by myocardial ischemia, it is coronary heart disease. To understand the degree of stenosis, coronary angiography can be used to determine it. After the diagnosis of coronary heart disease, there are three basic treatment methods, namely 1. Drug therapy-is the basic treatment of coronary heart disease. 2. Interventional Therapy --- a method of removing coronary stenosis by placing a coronary stent; this method is characterized by safety, high efficiency, quickness, less pain, and fast recovery. 3. Surgical treatment --- coronary bypass.

Coronary stenosis

The so-called coronary stenosis is caused by atherosclerosis. When the stenosis is caused to a certain extent by myocardial ischemia, it is coronary heart disease. To understand the degree of stenosis, coronary angiography can be used to determine it. After the diagnosis of coronary heart disease, there are three basic treatment methods, namely 1. Drug therapy-is the basic treatment of coronary heart disease. 2. Interventional Therapy --- a method of removing coronary stenosis by placing a coronary stent; this method is characterized by safety, high efficiency, quickness, less pain, and fast recovery. 3. Surgical treatment --- coronary bypass.

Chinese name

Coronary stenosis

Cause

Atherosclerosis

Related diseases

Coronary heart disease

Related suggestions

Low-fat diet, especially dinner

Multiple calcifications and soft plaques formed in the right coronary wall, segmental stenosis of the lumen, and the maximum stenosis was more than 50%

The degree of coronary artery stenosis is graded, and coronary artery stenosis is divided into 4 grades according to the reduction of lumen area. Grade lesions: reduction of lumen area by 1% to 25%; grade

The coronary arteries are blood vessels that surround the heart and provide the heart with nutrients and various nutrients.

It should be noted:

1.Low-fat diet, especially dinner;

2.Pay attention to rest and avoid aggravating heart burden due to fatigue, infection, etc.

3.Increase fiber intake and prevent constipation

4, prevent the occurrence of myocardial infarction, once the patient's anterior cardiac area is discomfort, or shoulder

Coronary artery heart disease (CHD), referred to as coronary heart disease, is the most common type of heart disease and refers to myocardial dysfunction and / or organic disease caused by coronary artery stenosis and insufficient blood supply. It is also called ischemic cardiomyopathy (IHD). CHD is the result of a variety of coronary artery disease, but coronary atherosclerosis accounts for the vast majority of coronary heart disease (95% -99%). Therefore, it is customary to treat coronary heart disease as a synonym for coronary atherosclerotic heart disease

The normal physiological activities of human organs require the heart to supply enough blood, and the normal work of the heart requires the coronary arteries to provide sufficient blood. When the coronary arteries cannot meet, the myocardial cells apoptosis due to hypoxia, and the patient suffers from palpitations and chest pain. , Chest tightness, dyspnea and other symptoms.

The maximum degree of coronary artery stenosis exceeds 50%, which means that its blood supply to the heart is only 50% or less than normal. The atherosclerotic plaque that causes narrowing of the blood vessel may be ruptured at any time. Once it occurs, it may cause coronary artery occlusion and cause large area of myocardial necrosis. The severity of it is self-evident.

Causes of coronary heart disease:

Coronary heart disease is a heart disease caused by ischemic hypoxia (angina pectoris) or myocardial necrosis (myocardial infarction) caused by narrowing or obstruction of the coronary arteries (atherosclerosis or dynamic vasospasm), also known as ischemia Sexual heart disease.

Symptoms of coronary heart disease are a form of oppressive pain in the center of the thorax, which can extend to the neck, palate, arms, and stomach. It is not the same as angina pectoris, and it persists even if you stop exercising or after the tension disappears. Other possible symptoms of a coronary heart attack are dizziness, shortness of breath, sweating, chills, nausea, and syncope. Severe patients may die from heart failure.

Disease alias: Coronary atherosclerotic heart Disease: Department of chest: Department of Cardiology: Department of Cardiology, Geriatric Symptoms and signs: Sudden death arrhythmia Heart failure Hypertension Cardiac breathing abnormalities Chest pain Heart murmur Cardiac tremor Physical examination: Ambulatory ECG ECG disease medication : Atorvastatin Calcium Tablets Xinnaokang Capsules Ningxinbao Capsules Longqi Rongshuan Capsules (Enteric) Diozhibituo Tablets

Disease self-test: coronary heart disease self-test myocardial infarction coronary heart disease self-test

1. Coronary atherosclerosis is the most common stenotic coronary artery disease, especially atherosclerosis of the coronary artery branches outside the muscular wall. Coronary arteries are prone to atherosclerosis because they are closer to the ventricle than all organ arteries and are therefore subject to the greatest impact of systolic blood pressure. Furthermore, the coronary arterial tree changes in many directions due to the shape of the heart, and therefore also undergoes large blood flow shear stress.
Occurrence sites: According to the autopsy statistics of 6,352 cases in China, the total detection rate, stenosis detection rate, and average level of the lesions were the highest in the descending branch before, and the rest were the right main trunk, left main trunk or left circumflex branch, and posterior descending branch. Gender difference: The detection rate of lesions in 20-50 years old is significantly higher in men than in women; there is no significant difference between men and women after 60 years of age.

Lesion characteristics: The distribution of atherosclerotic plaques is mostly in the proximal section and is heavier at the branch mouth. In the early stage, the plaques are scattered and distributed in segments. As the disease progresses, adjacent plaques can fuse with each other. . The plaques were crescent-shaped on the cross section, and the lumen was narrowed to varying degrees. Sometimes thrombosis can occur concurrently, completely blocking the lumen (Figure 8-28, Figure 8-29). According to the degree of plaque stenosis caused by plaque, it can be divided into 4 levels: , luminal stenosis is less than 25%; , stenosis is 26% to 50%; , stenosis 51% to 75%; Grade, lumen stenosis was above 76%.

2. Coronary spasm For many years, the academic community has debated whether coronary spasm is the cause of ischemic heart disease. It has been found in cases of sudden cardiac death that the incidence of coronary thrombosis is only 30%, and only 50% of patients who die within 12 hours after the attack, so it is believed that at least a considerable part of the cases are caused by coronary spasm of. In recent years, due to the development of cardiovascular angiography technology, it has been confirmed that coronary artery spasm can cause angina pectoris and myocardial infarction.

3 Inflammatory coronary artery stenosis Coronary artery inflammation can cause coronary artery stenosis, or even complete occlusion, resulting in ischemic heart disease, such as nodular polyarteritis, giant cell arteritis, Gao'an arteritis, Wegener granulomatosis Coronary arteries can be involved. In addition, syphilitic aorticitis can also cause coronary artery stenosis, but they are relatively rare.

treatment

In interventional therapy, it can relieve coronary stenosis without surgery, and it has become one of the important methods for coronary heart disease treatment. Coronary arterial interventional techniques mainly include balloon dilation and stent placement. The specific method is to insert a balloon-filled catheter through a femoral or radial artery puncture, and deliver the stent system under the guidance of X-ray perspective. After the stenosed part, the balloon is pressurized and expanded in vitro to expand and release the stent, expand the narrowed or blocked blood vessels, and withdraw the delivery system. The annular pressure generated by the elastic contraction of the blood vessels secures the stent and restores the vascular cavity. It can relieve myocardial ischemia, eliminate angina and other symptoms, and avoid cardiovascular events such as myocardial infarction. This method is also used in the rescue of acute myocardial infarction. The drug-coated stent (such as paclitaxel-coated stent, rapamycin-coated stent) applied in the past two years is a breakthrough in the interventional treatment of coronary heart disease. After using a drug-coated stent, the drug can effectively inhibit the vascular intimal hyperproliferative response caused by the stent, thereby reducing the incidence of vascular restenosis to less than 9%.

Preventive health care:

1. Reasonable diet, not partial food, not excessive. To control high cholesterol, high fat foods, eat more vegetarian food. At the same time, we must control total calorie intake and limit weight gain.
2 Have a regular life and avoid excessive stress; maintain adequate sleep and cultivate a variety of tastes; maintain emotional stability, and avoid irritability, excitement, or depression.
3 Maintain proper physical activity to strengthen your physique.
4 Non-smoking and alcoholism: Smoke can shrink the arterial wall and promote atherosclerosis; alcoholism is easily emotional and blood pressure rises.
5 Actively prevent and treat chronic diseases of the elderly: such as hypertension, hyperlipidemia, diabetes, etc. These diseases are closely related to coronary heart disease.
Most patients with coronary heart disease have a lot to do with their personality and psychological activities.Therefore, in our lives, we must pay attention to psychological adjustments to prevent and treat coronary heart disease from the following four aspects:
1, peace of mind when things go wrong. Patients with coronary heart disease are often irritable, prone to anger and offend others. You must always remind yourself to be calm and increase patience when things go wrong.
2. Be lenient towards others. Forgiving others not only brings peace and tranquility to oneself, and is beneficial to the recovery of coronary heart disease, but also wins friendship and maintains interpersonal harmony. That's why people call forgiveness "an indispensable vitamin for mental supplements and mental health."
3. When things go wrong, you have to be open and let go. Too precise and demanding blame often leads to isolation, and this isolated state of mind can cause mental stress and damage the heart. People with coronary heart disease should be calm and downplay their children, money, fame, status, and their illness.
4. Master a set of physical exercise and psychological adjustment methods. Such as self-relaxation training: through breathing and relaxation, mind relaxation, physical relaxation, or through activities such as qigong, tai chi, etc., to enhance one's ability to recover.