Misunderstanding Of Bone Marrow Puncture Needle

Some people mistake the bone marrow puncture for "spinal extraction", that is, a lumbar puncture to draw cerebrospinal fluid, thinking that it can cause paraplegia. In fact, the two are not the same thing, and the puncture site is completely different. The part of the lumbar puncture is the waist of the spine (large spine), that is, the needle is inserted from the gap between the lumbar vertebrae. In fact, as long as you master the essentials and standardize the operation, it is very safe in most cases.

The most common problem encountered in bone marrow puncture is "unsatisfactory sampling". The most common reason is that the puncture needle does not actually enter the bone marrow cavity. The content drawn is actually blood in the blood vessels of nearby tissues, or the content is drawn although it enters the bone marrow cavity. Too much means that blood vessels in the bone marrow cavity are damaged, and the peripheral blood and bone marrow fluid in the blood vessels are mixed, resulting in the "dilution" of the bone marrow fluid, commonly known as "hybrid." The above two conditions cause the smear to look like components of a blood smear when viewed under a microscope. As long as the puncture operator grasps the essentials, including correct positioning, ensuring that the puncture needle is in the bone marrow cavity, and not too much mixed blood when extracting the contents, and the patient is under good anesthesia, overcomes the fear mentality, cooperates with the operation, most bone marrow punctures Can be completed smoothly, and very safe. Complications such as anesthesia accidents (allergies), local bleeding, and infections are very rare.

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