Bone marrow puncture tips

1. Why do patients with blood diseases need bone marrow puncture?

 Bone marrow aspiration examination is one of the important examination methods for blood system diseases. Bone marrow is the main organ of hematopoiesis. Through bone marrow aspiration cytology, we can understand the production of various cells in the bone marrow, the changes in the morphology and composition of various cells, and the discovery of abnormal cells, so as to confirm the diagnosis, observe the curative effect, and estimate the prognosis.

Combined with bone marrow, blood and clinical data, it can make a positive diagnosis or support clinical diagnosis for some diseases. Such as various types of leukemia, multiple myeloma, metabolic disease. Propose a consistent diagnosis: such as calcium and iron anemia, aplastic anemia. There are indeed some changes in the bone marrow picture. Although it cannot provide support or negative opinions on the clinical manifestations, it can always be used as a reference for further examination.

2. Does bone marrow aspiration hurt?

bone puncture is to puncture the puncture needle into the bone marrow cavity of the anterior or posterior superior iliac spine on the side of the pelvis under the condition of local anesthesia, and extract a small amount of bone marrow fluid for laboratory examination. If necessary, you can also choose the sternal stem for puncture. These parts generally have no major blood vessels and nerves to pass through, so they will not cause serious damage and will not have much impact on the body's sensation and activities.

3. What should I pay attention to after bone puncture?

After bone puncture, the puncture point should be covered with a sterile applicator, and the puncture point should be pressed for 5 to 10 minutes. Do not wash the puncture site with water within 3 days after surgery to prevent infection. Remove the applicator after 72 hours. Pay attention to observe the puncture point for blood and fluid. If there is blood and fluid, notify the nurse in time and change the dressing.

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