Macewen's operation
Macewen's operation
Macewen's operation (pronounced: ma-kyoo-ens operation) is a surgical procedure named after the Scottish surgeon Sir William Macewen.
Etymology
The term derives its name from Sir William Macewen, a prominent Scottish surgeon who was known for his innovative techniques in the field of surgery during the late 19th and early 20th centuries.
Definition
Macewen's operation is a surgical procedure used for the treatment of hydrocephalus, a condition characterized by an abnormal accumulation of cerebrospinal fluid within the brain. The operation involves creating an opening in the skull to allow the excess fluid to drain, thereby relieving pressure on the brain.
Procedure
The operation is performed under general anesthesia. A small hole is drilled into the skull, and a thin tube, or shunt, is inserted to drain the excess fluid. The fluid is usually redirected to another part of the body, such as the abdomen, where it can be absorbed.
Related Terms
- Hydrocephalus: A condition characterized by an abnormal accumulation of cerebrospinal fluid within the brain.
- Shunt: A tube that can be used to move fluid from one part of the body to another.
- Cerebrospinal fluid: The fluid that surrounds the brain and spinal cord, providing a cushion against injury and supplying nutrients.
- General anesthesia: A state of controlled unconsciousness during which patients do not feel pain and are unaware of their surroundings.
Risks and Complications
As with any surgical procedure, Macewen's operation carries potential risks and complications. These may include infection, bleeding, and damage to surrounding brain tissue. There is also the risk that the shunt may become blocked or dislodged, requiring further surgery.
External links
- Medical encyclopedia article on Macewen's operation
- Wikipedia's article - Macewen's operation
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