What is the reason for the increasing number of external drainage of hydrocephalus?

Patient's question:

Male, 34 years old, bilateral craniectomy after a traffic accident. On the 19th day after two craniotomies, right hydrocephalus occurred. External ventricular drainage was performed, but the drainage of cerebrospinal fluid was not sufficient. Now it has been 3 days, and the amount of drained cerebrospinal fluid is increasing. What could be the reason, and what treatment is needed? Please help!!!

Doctor's answer:

Disease Analysis: The treatment of hydrocephalus emphasizes individualization, meaning different treatment methods are chosen based on the cause, type, and severity of the accumulation. Most cases require surgical treatment, with options such as ventriculoperitoneal shunt surgery.
Medical Advice: However, postoperative complications such as under-shunting, over-shunting, shunt obstruction, and infection may occur. For those with the necessary conditions, minimally invasive surgery under endoscopy can also be considered. The latter does not require lifelong shunt dependence.

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