Impact of External Drainage of the Lumbar Cistern in Patients With Hydrocephalus Following Meningioma Surgery and Its Influence on Patient Satisfaction

Inclusion Criteria: * diagnosis of meningiomas based on established diagnostic criteria and pathological confirmation * postoperative development of hydrocephalus, specifically communicating hydrocephalus * absence of other intracranial tumours or contraindications for surgery Exclusion Criteria: * concurrent mental disorders, coagulation dysfunction or organic diseases affecting other areas * hematologic diseases, severe liver or kidney dysfunction * patients discontinuing treatment or transferring to a higher-level hospital * a history of hydrocephalus, such as obstructive hydrocephalus