What are the precautions for bone marrow aspiration?

Precautions for bone marrow aspiration: 1. The syringe and puncture needle must be dry to avoid hemolysis. 2. Aspirate bone marrow fluid should be smeared immediately to avoid coagulation. 3. When extracting the bone marrow, the suction pressure should not be too large, and the amount of bone marrow fluid should not be too much (except for bacterial culture), so as not to mix too much peripheral blood and affect the judgment of the result. When puncturing the sternum, attention should be paid to the appropriate strength and the penetration cannot be too deep, so as not to damage the mediastinal organs. 5. Pay attention to skin disinfection and aseptic operation to prevent bone marrow infection. 6. The hematopoietic tissue is not absolutely evenly distributed in the bone marrow, and sometimes it is necessary to puncture the bone marrow fluid from multiple locations to make a clear diagnosis.

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