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What is myelosuppression?

In a nutshell, this is a decrease in the production of blood cells. Normal blood contains a large number of cells, including red blood cells to carry oxygen and white blood cells to fight infections. Blood also contains platelets, tiny cellular fragments that initiate blood clotting. These cells and fragments are made in the bone marrow, a reddish substance found in the centers of some bones. A healthy bone marrow produces large amounts of red blood cells, white blood cells, and platelets daily to replace those that are wearing out. In myelosuppression, the bone marrow makes too few of these cells. A decrease in the number of red blood cells, called anemia, is very common in cancer patients. A drop in the number of white blood cells is often a problem during chemotherapy. One type of white blood cell, called a neutrophil, is usually the most severely affected. A decrease in these cells is called neutropenia. Since neutrophils are responsible for protecting the body from bacteria, neutropenia increases the likelihood of infection. Thrombocytopenia, a decrease in the number of platelets in the blood, is less common; the number of platelets becomes low enough to cause problems in less than 10% of cancer patients. Myelosuppression is a painless condition, but a decrease in important blood cells can lead to fatigue, an increased risk of infection, or excessive bleeding. The effects range from moderate to lifelong, depending on how low the number of blood cells is.
Reasons
The most common cause of myelosuppression is cancer treatment. Many of the drugs used in chemotherapy temporarily suppress bone marrow. Therapeutic X-rays that reach the bone marrow are also destructive. Cancer cells can also cause myelosuppression. Some cancers invade the bone marrow and displace the cells that normally reside there. Others can suppress the bone marrow without invasion. Nutritional deficiencies, common in cancer patients, also slow down the production of blood cells, as well as viruses and some non-chemical drugs. Myelosuppression usually begins 7-10 days after bone marrow injury. However, bone marrow usually returns to normal within the next few weeks. Less often, cumulative damage can be caused. Sometimes irreversible damage causes permanent myelosuppression. Very intense chemotherapy or radiation can destroy all the cells in the bone marrow.
Treatment
Myelosuppression is not always treated, especially if it is mild. If myelosuppression is the result of chemotherapy or radiation therapy, cancer treatment may be stopped, delayed, or reduced to allow the bone marrow to recover. Antibiotics can help prevent infections. Some patients find that light exercise and pleasant distractions help with fatigue. Real free porn movies https://exporntoons.net online porn USA, UK, AU, Europe.

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