Epidural blood patch
Epidural blood patch
An epidural blood patch (EBP) is a medical procedure used to treat cerebrospinal fluid (CSF) leaks, particularly those that occur after a lumbar puncture or spinal anesthesia. The procedure involves injecting a small amount of the patient's own blood into the epidural space of the spine to seal the leak and alleviate symptoms such as headache.
Indications[edit | edit source]
The primary indication for an epidural blood patch is a post-dural puncture headache (PDPH), which is a common complication following procedures that involve puncturing the dura mater, such as lumbar puncture or epidural anesthesia. PDPH is characterized by a headache that worsens when the patient is in an upright position and improves when lying down.
Procedure[edit | edit source]
The procedure is typically performed by an anesthesiologist or a pain management specialist. The patient is positioned similarly to how they were during the initial procedure that caused the CSF leak, usually in a sitting or lateral decubitus position. After identifying the appropriate level of the spine, the area is cleaned and sterilized. Local anesthesia is administered to numb the skin and underlying tissues.
A needle is then inserted into the epidural space, and a small amount of the patient's own blood, usually 10-20 milliliters, is drawn from a vein and injected into the epidural space. The blood forms a clot that seals the dural puncture, stopping the CSF leak and relieving the headache.
Complications[edit | edit source]
While generally safe, the epidural blood patch procedure can have complications. These may include:
- Back pain at the injection site
- Infection
- Nerve damage
- Bleeding
- Failure to relieve symptoms
Recovery[edit | edit source]
Patients are usually advised to lie flat for a period after the procedure to allow the blood clot to form and stabilize. Most patients experience relief from their symptoms within a few hours to a day. However, some may require a second blood patch if the first one is not successful.
History[edit | edit source]
The epidural blood patch was first described in the 1960s and has since become a standard treatment for post-dural puncture headaches. Its effectiveness and relatively low risk make it a preferred option for managing this condition.
See also[edit | edit source]
References[edit | edit source]
External links[edit | edit source]
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