environment | March 06, 2026

Do you need informed consent for bone marrow aspiration?

Do you need informed consent for bone marrow aspiration?

Paperwork. Speak to the patient about the indication for the procedure, and the potentials risks and benefits. Obtain informed consent, mentioning risks of: risk of infection, bleeding, pain, scar formation, and failure to obtain adequate specimen.

Are you awake during a bone marrow aspiration?

The sedation is used in combination with a local anesthetic and can make the procedure much easier for patients. Bone marrow biopsies may also be done under general anesthesia, while you’re unconscious. But this is usually done if the procedure is performed during surgery or another procedure.

What are the sites of bone marrow aspiration?

The most common site for a bone marrow biopsy is the large pelvic bone near the hip (posterior iliac crest),1 but a sample may also be taken from the sternum (breastbone), or, in infants, the shin bone (tibia).

What’s the difference between bone marrow aspirate and biopsy?

Bone marrow aspiration is a procedure that takes out a small amount of bone marrow fluid through a needle. Bone marrow biopsy uses a needle to take out a small amount of bone with the marrow inside it. These samples are then checked under a microscope.

What is the most common site for bone marrow biopsy?

Why are you not put to sleep for a bone marrow biopsy?

A bone marrow examination can be done with only local anesthesia to numb the area where the needles will be inserted. With local anesthesia, bone marrow aspiration, in particular, can cause brief, but sharp, pain. Many people choose to also have light sedation for additional pain relief.

What if bone marrow biopsy is negative?

When these tests are negative, examining the marrow can reveal problems with the red blood cells that are uncommon causes of anemia (sideroblastic anemia, aplastic anemia).

Why is a bone marrow biopsy so painful?

What is the difference between bone marrow biopsy and aspiration?