Aspirate the needle to check how the bone marrow is collected

Bone marrow hematopoietic stem cells is a method of collecting hematopoietic stem cells directly from red bone marrow. Red bone marrow is the main place where hematopoietic stem cells exist. Because the blood in the bone marrow cavity is also drawn out at the same time when the bone marrow is drawn, it is to prevent the donor from losing too much red blood cells and causing anemia or low blood pressure. Before donating bone marrow, the donor needs to do autologous blood preparation: that is, a total of 600 ml of self blood is gradually collected a few weeks before the donation, stored outside the body and input during the operation. Bone marrow hematopoietic stem cell collection requires surgery under general anesthesia or epidural anesthesia. During the operation, after anesthesia, a puncture needle is inserted into the ilium on both sides of the buttocks to extract bone marrow cells. With the extraction of bone marrow cells, multiple punctures may be required in the ilium. The amount of bone marrow to be drawn depends on the weight of the patient. About 500 to 1000 ml of bone marrow fluid must be drawn. At the same time, the original self-supplied blood is returned to the body during the operation to prevent the occurrence of anemia. Bone marrow hematopoietic stem cell collection does not cut the skin, but leaves several puncture needle holes on the surface of the skin. After surgery, prevent bleeding from the wound. The wound may feel painful and can be treated symptomatically. Most donors also feel soreness in the waist. In addition, due to the effect of anesthetics, some donors may feel nausea and vomiting. As the white blood cell count in the body is temporarily low, there may be mild fever. These conditions can also be treated by doctors symptomatically.

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