Monday, June 22, 2020

Hyperlipidemia Knowledge Science

What is blood lipids?

Blood lipids are fats in the blood. There are two sources of blood lipids in the human body:

The first is made by the body itself (mainly in the liver), the medical term is endogenous;

The second one is eaten. The medical term is exogenous.

Classification of blood lipids

Blood lipids are divided into cholesterol and triglycerides.

Cholesterol must "get on a car" to run around in the blood, this car is "low density lipoprotein" and "high density lipoprotein". Cholesterol rides on the LDL car and produces "low density lipoprotein cholesterol" (LDL-C); cholesterol rides on the HDL car and produces "HDL cholesterol" (HDL) -C). In this way, cholesterol is divided into three types: total cholesterol, low-density lipoprotein cholesterol, and high-density lipoprotein cholesterol, plus triglycerides, which is commonly referred to as the "four items of blood lipids". Usually these four items are tested for blood lipids.

What is the role of blood lipids?

Blood lipids are essential to the normal functioning of the human body. Cholesterol is mainly used to synthesize cell plasma membranes, steroid hormones and bile acids. Triglycerides are involved in the energy metabolism of the human body. Their role is very important.

Cholesterol is good or bad

Plaque can block blood vessels and cause a series of serious consequences such as "here and there", and "low-density lipoprotein cholesterol" is the main raw material for making plaque. It will grow faster if it is higher, so it is " "Bad Cholesterol"; "High Density Lipoprotein Cholesterol" can excrete the cholesterol in the body, it will reduce the cholesterol in the body, and the plaque will grow slower, so it is "good cholesterol".

To sum up: the "high-density lipoprotein cholesterol" for good things is higher, the "low-density lipoprotein cholesterol" for bad things is lower, and to simplify it again, "the higher the density of cholesterol, the lower the low".

Higher triglycerides can also block blood vessels, so it is better to be lower. Total cholesterol is the sum of all other cholesterols. Generally speaking, it is also lower. Cholesterol-causing blood vessel blockage is medically called "atherosclerosis" and is the root cause of most cardiovascular and cerebrovascular diseases.

What is atherosclerosis?

Lipids deposit on the inner walls of arteries and blood vessels, forming plaques like dry millet porridge (called atheroma plaques). The blood vessels with plaque become blocked and hardened, so it is called "atherosclerosis". Atherosclerosis is the root cause of cardiovascular and cerebrovascular diseases. It hardens and blocks blood vessels, reduces the ability to transport blood and nutrients, and causes severe cardiovascular and cerebrovascular diseases. "Atherosclerosis" can also be understood simply as clogged and hardened blood vessels.

What is hyperlipidemia? What is dyslipidemia?

Because "good cholesterol is higher and bad cholesterol is lower", it is unscientific to say "high blood lipids are bad things" in general, and medically it is "abnormal blood lipids". But why is there still the term "high blood fat"? This is because people’s lives are better now. In most cases, the three items “total cholesterol, low-density lipoprotein cholesterol, and triglycerides” are high, and they are also the main goals of treatment. Therefore, the term “high blood fat” is called , Also called "hyperlipidemia"

What are the disadvantages of high blood lipids?

High blood lipids have more bad cholesterol in the blood, causing thick blood and long plaques, increasing the resistance of blood flow, and increasing blood pressure; slow blood flow, tissues and organs will be ischemic, and nutrients cannot be metabolized If the waste can't be pulled away, the function of tissues and organs will be reduced. First, it will cause the whole body to be "uncomfortable here and uncomfortable there"; when the plaque grows to a certain extent, it will block the blood vessels and cause "here and where infarction" and heart attack , Cerebral infarction, heart failure, kidney failure and other serious consequences...

When clogging blood vessels, which components of blood lipids do more bad things?

Low-density lipoprotein cholesterol and triglycerides are the main causes of blood vessel blockage, of which "low-density lipoprotein cholesterol" does the most bad things and is the main culprit in clogging blood vessels. Triglyceride is an accomplice. In general, focus on reducing "low density" Lipoprotein cholesterol". However, when triglycerides are high to a certain degree, they can also cause serious consequences. When triglycerides> 5.65 mmol/L (500 mg/dL), such high triglycerides can block the capillaries of the pancreas and cause acute pancreas Yan, this disease is deadly. Triglycerides have a lot to do with diet, and overeating can cause acute pancreatitis.

What are the consequences of clogged blood vessels?

If the blood vessels are blocked, the blood will not flow through. The nutrients needed by the tissues and organs will not be able to be drawn, and the metabolic waste will not be pulled away. It will decline in function and slowly die. This is the root cause of hypertension and diabetes complications! In fact, look at the names of these complications to know the cause, infarction, plug, thrombus, narrow, block (myocardial infarction, cerebral infarction, cerebral thrombosis, arterial stenosis, plaque), each word is saying one thing Child-"Blocking"; going to the hospital for rescue is thrombolysis, stents, bypass, which is not to get the blood vessels? Therefore, myocardial infarction, cerebral infarction... These fatal complications of hypertension and diabetes are caused by blocked blood vessels. If there is a blockage, it will be "here and there", or it will die if it is dead. such as:

Myocardial infarction-the coronary blood vessels supplying the heart are blocked

Cerebral infarction-the blood vessels in the brain are blocked

Cerebral hemorrhage-the blood vessels in the brain hardened and broke

Renal failure-blocked blood vessels in the kidney

Amputation-the blood vessels in the leg are blocked

Blindness-blocked blood vessels in the eyes



There are so many disadvantages of high cholesterol, how much should it be reduced to?

As early as 2008, the Ministry of Health stipulated that different people should reduce the main harmful index of blood lipids "low-density lipoprotein cholesterol" to different ranges: normal people should be lower than 3.37; patients with hypertension or diabetes or cerebral thrombosis It should be reduced to below 2.6; those with coronary heart disease or cerebral thrombosis and diabetes should be reduced to below 2.1.

The above content is more professional and complex. There is a simple memory method-5, 4, 3 of total cholesterol: healthy people should lower the total cholesterol below 5, people with high blood pressure or diabetes should lower it below 4, both of them may have suffered myocardial infarction People with stalks and stents should fall below 3. Total cholesterol is composed of other cholesterol. If it is lowered, all other indicators will be lowered, so remember this one.

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