What does EVD mean in CARDIOLOGY
EVD, an abbreviation used in the medical field, stands for External Ventricular Drain. It refers to a medical device employed in neurosurgery to drain cerebrospinal fluid (CSF) from the ventricles of the brain. CSF is a clear, colorless fluid that circulates within the brain and spinal cord, providing cushioning and nourishment to these structures.
EVD meaning in Cardiology in Medical
EVD mostly used in an acronym Cardiology in Category Medical that means External Ventricular Drains
Shorthand: EVD,
Full Form: External Ventricular Drains
For more information of "External Ventricular Drains", see the section below.
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What is an External Ventricular Drain (EVD)?
An EVD is a thin, flexible catheter that is surgically inserted into one of the ventricles of the brain, typically through a small incision made in the skull. The other end of the catheter is connected to an external drainage system, which collects the CSF as it exits the ventricle. The system allows for the measurement and monitoring of CSF pressure and flow, enabling clinicians to assess the patient's condition and adjust treatment accordingly.
When is an EVD Used?
EVDs are commonly used in various neurosurgical scenarios, including:
- Hydrocephalus: A condition characterized by an excessive accumulation of CSF in the brain's ventricles.
- Subarachnoid hemorrhage: Bleeding into the space surrounding the brain.
- Brain tumors: To relieve pressure caused by tumor growth.
- Traumatic brain injury: To drain CSF and reduce intracranial pressure.
Procedure for Insertion and Removal
The insertion of an EVD is typically performed under general anesthesia. The surgeon makes a small incision in the scalp and drills a tiny hole in the skull. The catheter is then inserted into the ventricle and secured in place. The external drainage system is connected, and CSF collection begins.
Removal of an EVD is usually done when the underlying condition has resolved and CSF flow has stabilized. The catheter is gently withdrawn, and the incision is closed.
Benefits of an EVD
- Reduces intracranial pressure, improving brain function.
- Prevents further damage to the brain.
- Allows for monitoring of CSF pressure and flow.
- Facilitates the administration of medications directly into the CSF.
Essential Questions and Answers on External Ventricular Drains in "MEDICAL»CARDIOLOGY"
What are External Ventricular Drains (EVDs)?
External ventricular drains (EVDs) are medical devices used to drain cerebrospinal fluid (CSF) from the ventricles of the brain. They are typically used to treat conditions that cause increased intracranial pressure (ICP), such as hydrocephalus, hemorrhage, or stroke.
How are EVDs inserted?
EVDs are inserted through a small incision made in the skull. A catheter is then guided into one of the ventricles of the brain. The other end of the catheter is connected to a drainage bag.
What are the risks of EVDs?
The risks of EVDs include infection, bleeding, and damage to the brain. In rare cases, EVDs can cause death.
How long do EVDs typically stay in place?
EVDs typically stay in place for several days or weeks. The length of time will depend on the condition being treated.
What are the benefits of EVDs?
EVDs can help to reduce ICP and improve symptoms such as headache, nausea, and vomiting. They can also help to prevent further damage to the brain.
Who should not have an EVD?
EVDs are not appropriate for everyone. People who are not candidates for EVDs include those who have a bleeding disorder, an active infection, or a skull fracture.
Final Words: EVDs are essential medical devices used in neurosurgery to manage CSF-related conditions. By draining CSF from the brain's ventricles, EVDs help reduce intracranial pressure, prevent brain damage, and allow for the monitoring and treatment of various neurological disorders.
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