![]() CSF contains a variety of proteins that researchers measure and analyze. Importantly, since the CSF interacts very closely with the brain, many researchers believe that it can provide a more direct window into changes that may be occurring there. It provides a cushion to the brain and spinal cord and may serve some purpose in the chemistry of the brain (which is not clear to us at this point). What is CSF and why is it so important?ĬSF is a clear, colorless liquid that is in direct contact with the brain. Most spinal headaches can be avoided by following the instructions and follow-up care provided by our physicians. In the rare case of a severe headache, we perform a simple medical procedure called an epidural blood patch to relieve the pain. If someone gets a mild headache following an LP, we treat it with Tylenol and beverages that are high in caffeine. However, when they do occur, these headaches can be quite painful. In fact, less than one percent of our participants experience significant spinal headaches. We have performed over 2,000 LPs at the UW ADRC and have improved the procedure to reduce discomfort and to minimize the chance of LP-related headaches (known as spinal headaches). Will I have a spinal headache after the LP? To read more about the safety and acceptability of lumbar punctures, please click here. Our center has improved the procedures for research lumbar punctures and has created safety guidelines that are followed throughout the field. If participants are sore after an LP, they can take a standard pain reliever like Tylenol. After an LP, participants occasionally feel mildly sore as a result of staying in an unfamiliar position during the procedure. ![]() Because the anesthetic numbs the area, the LP should not be particularly uncomfortable or painful. Once participants are in position, doctors use a local anesthetic to numb the area and then use a thin needle to draw out a small amount of spinal fluid. During an LP, participants lie on their side, which allows doctors to easily access the area of the lower back where the LP will occur. What is a lumbar puncture?Ī lumbar puncture (also called a spinal tap or an LP) is a common medical procedure in which doctors remove a small sample of cerebrospinal fluid (CSF) from a person’s lower back (“lumbar” region). ![]() A lumbar puncture video can be accessed on YouTube. The needle location of the lumbar puncture.
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