EPIDURAL BLOOD PATCH Meaning and
Definition
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An epidural blood patch is a medical procedure performed to treat post-dural puncture headaches (PDPH) or leakage of cerebrospinal fluid (CSF) resulting from a puncture in the outermost layer of the spinal cord membranes. This technique involves injecting a small amount of the patient's own blood into the epidural space, which is the area just outside the protective covering of the spinal cord. The blood acts as a sealant and helps to close the leak or hole, relieving the symptoms associated with spinal fluid leakage.
During the procedure, the patient typically lies on their stomach or side, and a small amount of blood is drawn from a vein in the arm. The blood is then carefully injected into the epidural space, guided by imaging techniques such as fluoroscopy or ultrasound. The blood clots and forms a seal, preventing further leakage of spinal fluid.
Epidural blood patch is considered a minimally invasive intervention and is known for its high success rate in relieving PDPH symptoms. The relief provided by the blood patch can be almost immediate, although it may take several days for the symptoms to completely resolve. The procedure is relatively safe, although rare complications such as infection, nerve damage, or allergic reactions to the blood can occur.
Overall, an epidural blood patch is a procedure used to treat post-dural puncture headaches or spinal fluid leakage by injecting the patient's own blood into the epidural space to create a seal and alleviate symptoms.
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