ArticleBrain sciences2025
Real-Time Neuropsychological Testing for Hydrocephalus: Ultra-Fast Neuropsychological Testing During Infusion and Tap Test in Patients with Idiopathic Normal-Pressure Hydrocephalus.
Article in Brain sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Covert cerebrospinal fluid dynamics dysfunction: evolution from conventional to innovative therapies.Frontiers in neurology · 2025Review
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9 authors.
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Abstract
BACKGROUND/
objectivesVentriculoperitoneal shunting is a validated procedure for the treatment of idiopathic normal-pressure hydrocephalus. To select shunt-responsive patients, infusion and tap tests can be used. Only gait is evaluated after the procedure to establish a potential improvement. In this study, we present our Hydro-Real-Time Neuropsychological Testing protocol to assess the feasibility of performing an ultra-fast assessment of patients during the infusion and tap test.
methodsWe tested 57 patients during the infusion and tap test to obtain real-time feedback on their cognitive status. Data were obtained immediately before the infusion phase (T0), when the pressure plateau was reached (T1), and immediately after cerebrospinal fluid subtraction (T2). Based on cerebrospinal fluid dynamics, 63.15% of the patients presented a resistance to outflow > 12 mmHg/mL/min, while 88% had a positive tap test response.
resultsCompared to T0, cerebrospinal fluid removal significantly improved performance on tasks exploring executive functions (counting backward,
conclusionsPatients' performance can be monitored during the infusion and tap test as significant changes in executive functions are observable. In future, this protocol might help improve patients' selection for surgery.
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