Does a bone marrow aspirate hurt? Will there be adverse effects?

Selection of puncture site ① Anterior superior iliac spine: The puncture point is usually 1 to 2 cm behind and above the anterior superior iliac spine, where the bone surface is flat, easy to fix, and the operation is convenient and safe; ② Anterior and posterior superior spine: located on both sides of the sacral vertebra, The bony protruding part above the buttocks; ③ manubrium: this place is rich in bone marrow. When the puncture of the above part fails, the manubrium can be punctured, but the bone here is thin, and there are atrial and large blood vessels behind it to prevent penetration. Dangerous, less choice; ④ lumbar spinous process: located in the protrusion of the lumbar spinous process, rarely used.

      1. After the puncture needle enters the bone, avoid swinging too much to avoid breaking.

2. The puncture of the manubrium should not be inserted vertically, and excessive force should not be used to prevent penetration of the medial bone plate.

3. When aspirating bone marrow fluid, gradually increase the negative pressure. When doing cytomorphological examination, the suction volume should not be too much, otherwise the bone marrow fluid will be diluted, but it should not be too small.

4. The smear should be smeared immediately after bone marrow fluid extraction.

5. Bone marrow biopsy should be performed when multiple dry aspirations are performed.

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