Predictive Values of Lumbar Infusion Testing in Idiopathic Normal Pressure Hydrocephalus Diagnosis

Although LIT does not provide a definitive diagnosis of iNPH, it serves as a safe and valuable adjunct in cases of diagnostic uncertainty, aiding in early decision making and potentially improving postshunting outcomes. Its reproducibility, ease of implementation, and low morbidity make it a useful tool in the diagnosis of iNPH when combined with clinical and radiological assessments.