To relieve hydrocephalus ie. the accumulation of brain fluid within the intracranial cavity. â Subarachnoid haemorrhage. â Infection-meningitis. â Obstruction due ...
Insertion / Revision of External Ventricular Drain (EVD) Prepared by Department of Neurosurgery Updated December 2007
Indications • To relieve hydrocephalus ie. the accumulation of brain fluid within the intracranial cavity – Subarachnoid haemorrhage – Infection-meningitis – Obstruction due to tumour • To reduce intracranial pressure due to brain swelling – In a setting of head injury, stroke • Intracranial pressure monitoring – Head injury • To achieve brain relaxation during surgery
A Patient / Family Informed Consent Guide to Insertion of External Ventricular Drain
A Patient / Family Informed Consent Guide to Insertion of External Ventricular Drain
Procedure Description • General anaesthesia • Patient is cleaned and local anaesthetic is infiltrated • A linear incision is made either frontal or parietal based on the entry point selected by the surgeon. • A burr hole is drilled till the inner table of the skull is breached • The underlying dura is then incised and its edges and pia are coagulated • The catheter is inserted into the ventricle and egress of brain fluid signals successful entry • Incision is closed and patient is sent back to ICU for close monitoring A Patient / Family Informed Consent Guide to Insertion of External Ventricular Drain
A Patient / Family Informed Consent Guide to Insertion of External Ventricular Drain
A headache. Usually headaches are relieved after the EVD is placed. If they continue, they are usually relieved with acetamenophen (Tylenol®). Sometimes.
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