Why do red blood cells undergo hemolysis?
May 16, 2023
Source: Cainiu Health
Dr. Zhang Heyang
Introduction
In general, hemolysis refers to the rupture of red blood cells in either in vivo or in vitro environments, resulting in the release of hemoglobin from within the red blood cells. Hemolysis may be caused by factors such as hereditary hemolytic anemia, immune-mediated hemolysis, and infection-related hemolysis. It can also result from physical causes such as hemodialysis and mechanical trauma, or chemical causes such as exposure to toxic drugs and heavy metals.
Under normal circumstances, red blood cell hemolysis refers to the rupture of red blood cells in either the body or an external environment, resulting in the release of hemoglobin from inside the cells. Hemolysis may be caused by factors such as hereditary hemolytic anemia, immune-mediated hemolysis, or infection-related hemolysis. A detailed analysis is as follows:
1. Hereditary Hemolytic Anemia
Hereditary hemolytic anemia is a genetic disorder that can cause abnormalities in red blood cell shape, making them more susceptible to damage and destruction.
2. Immune-Mediated Hemolysis
Immune-mediated hemolysis occurs when the body's immune system mistakenly identifies its own red blood cells as foreign substances and attacks them.
3. Infection-Related Hemolysis
Certain bacterial, viral, or parasitic infections can lead to red blood cell hemolysis. These microorganisms may produce toxins that directly damage the structure of red blood cells, or trigger hemolysis through immune responses.
In addition to the above causes, hemolysis may also result from physical factors such as blood dialysis or mechanical trauma, or from chemical causes including exposure to toxic drugs or heavy metals. If any discomfort occurs, it is recommended to seek medical attention promptly to avoid delaying diagnosis and treatment.
