Aplastic anemia is caused by how?

Written by Li Fang Fang
Hematology
Updated on September 05, 2024
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The etiology of aplastic anemia is unclear. A more classical theory is the seed, soil, and bug theory. The seed theory suggests that patients with this condition have reduced hematopoietic stem cells in the bone marrow, leading to bone marrow failure. The soil theory refers to abnormal microenvironments in the bone marrow of patients, which leads to an abnormal growth environment for stem cells and consequently hematopoietic disturbances. The bug theory, which is commonly referred to in clinical settings as immune dysfunction, plays a major role in the etiology of this condition.

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Written by Li Fang Fang
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Aplastic anemia is caused by how?

The etiology of aplastic anemia is unclear. A more classical theory is the seed, soil, and bug theory. The seed theory suggests that patients with this condition have reduced hematopoietic stem cells in the bone marrow, leading to bone marrow failure. The soil theory refers to abnormal microenvironments in the bone marrow of patients, which leads to an abnormal growth environment for stem cells and consequently hematopoietic disturbances. The bug theory, which is commonly referred to in clinical settings as immune dysfunction, plays a major role in the etiology of this condition.

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Written by Li Fang Fang
Hematology
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Is aplastic anemia contagious?

Aplastic anemia is not contagious and has a minor hereditary factor, meaning that if a family member has aplastic anemia, it is generally not inherited by the next generation. The cause of aplastic anemia is still unclear, but possible reasons include: 1. Damage to hematopoietic stem cells. After the hematopoietic stem cells are damaged, it leads to limited stem cell proliferation and reduced hematopoiesis. 2. Damage to the hematopoietic microenvironment. Damage to the hematopoietic microenvironment can lead to changes that disrupt the regeneration of hematopoietic stem cells. 3. Immune factors. Immune factors can cause immune damage, directly damaging hematopoietic stem cells, thereby causing bone marrow regeneration disorders.

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Hematology
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Aplastic anemia is a disease.

Aplastic anemia is a bone marrow failure syndrome, which simply means that the bone marrow's function to produce blood cells is impaired, and it cannot produce the blood cells needed by a normal body. Clinically, it manifests as a series of symptoms caused by the reduction of all blood cells. A reduction in white blood cells can lead to infections in various systems, such as fever, cough, sputum, abdominal pain, diarrhea, frequent urination, urgent urination, and pain during urination. A reduction in red blood cells leads to anemia, which can cause symptoms such as dizziness, headache, fatigue, chest tightness, and palpitations. A decrease in platelets can lead to spontaneous bleeding, such as bleeding in the mouth, gums, and nose, and in severe cases, even cerebral hemorrhage.

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Written by Li Fang Fang
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What to eat for aplastic anemia

Patients with aplastic anemia should eat light, easily digestible foods, and soft diet, avoiding too hard foods, and foods with spines or bones to prevent these foods from scratching the mucous membrane of the digestive tract and causing gastrointestinal bleeding. Additionally, patients with aplastic anemia must also take medications to control the progression of the disease, the related medications mainly include immunosuppressants, such as cyclosporine, as well as hematopoietic stimulants and traditional Chinese medicine formulations. Hematopoietic drugs include androgens, such as danazol and stanozolol, etc., and traditional Chinese medicines include compound alumite pills, rejuvenating blood tablets, etc. (Please use specific medications under the guidance of a doctor, and do not self-medicate.)

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Written by Li Fang Fang
Hematology
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The etiology of aplastic anemia

The etiology of aplastic anemia currently has no absolute cause, but the more supported theories concerning its etiology include the soil, pest, and seed theories. The soil theory refers to abnormalities in the microenvironment within the bone marrow, which causes an abnormal growth environment for hematopoietic stem cells, consequently limiting their growth. The seed theory indicates a decrease in the number and quality of hematopoietic stem cells in the bone marrow, leading to bone marrow regeneration failure. The pest theory refers to immunological factors, which play a significant role in aplastic anemia, suggesting a disorder in the patient's immune function that leads to bone marrow regeneration failure.