Bone marrow biopsy and aspiration are two different techniques used examine bone marrow health and check for the presence of disease. In some cases, individuals undergoing these procedures may require sedation for discomfort.
The Facts
During a bone marrow biopsy, your doctor will use a large needle to sample solid components of bone marrow, according to the Mayo Clinic. During aspiration, your doctor will use a smaller needle to sample liquid components of bone marrow.
Sedation
Typically, bone marrow biopsy and aspiration require only anesthesia applied locally at the site of testing, note the Mayo Clinic and the Medline Plus. However, some individuals may require or request intravenous (IV) sedation.
Reasons for Sedation
The Mayo Clinic cites reasons for IV sedation that include concern over expected pain levels and high bone density.
Degrees of Sedation
Those undergoing biopsy or aspiration may request either partial or complete IV sedation, notes the Mayo Clinic. Heavier levels of sedation may provide higher amounts of relief.
Effects and Recovery
IV sedation can trigger effects including memory lapses, altered response times and impaired judgment, reports the Mayo Clinic. Individuals who receive sedation are typically taken to a recovery area after a biopsy or aspiration procedure.
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