Do bone marrow puncture needle ache? Will there be adverse effects?

Puncture site selection

① Anterior superior iliac spine: the puncture point is usually 1-2 cm above the posterior and upper part of the anterior superior iliac spine, where the bone surface is flat, easy to fix, convenient and safe to operate; (2) Anterior and posterior upper spine: located on both sides of the sacral vertebra, the bony protrusion above the hip; ③ Manubrium sternum: the bone marrow content is rich here. When puncture failure occurs in the above part, manubrium sternum puncture can be performed. However, the bone is thinner here, and there are atria and large blood vessels behind it, so the risk of penetration is strictly prevented. ④ Lumbar spinous process: located in the source of lumbar spinous process, rarely selected.

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

2. Do not puncture the manubrium sternum vertically or with excessive force to avoid penetrating the medial bone plate.

3. When aspirating the bone marrow fluid, gradually increase the negative pressure. When performing cell morphology examination, the amount of aspiration should not be too much, otherwise the bone marrow fluid will be diluted, but it should not be too little.

4. Bone marrow fluid should be smeared immediately after extraction.

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

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