CSF Dynamic Biomarkers for Differential Diagnosis of NPH vs AD with Concomitant NPH

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CSF Dynamic Biomarkers for Differential Diagnosis of NPH vs AD with Concomitant NPH

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experiment Created: 2026-04-02T10:01:41 By: crosslink-v2 Quality: 95% ✓ SciDEX ID: experiment-exp-wiki-diagnostics-nph-csf-

🧫 Experiment Protocol Clinicalproposed

SUMMARY

# CSF Dynamic Biomarkers for Differential Diagnosis of NPH vs AD with Concomitant NPH ## Background and Rationale Normal pressure hydrocephalus (NPH) and Alzheimer's disease (AD) present a complex diagnostic challenge in clinical neurology, as these conditions frequently co-occur and share overlapping symptomatology including cognitive impairment, gait disturbances, and urinary incontinence. The prevalence of NPH in the elderly population ranges from 0.2-2.9%, while concomitant AD pathology is f

METHODOLOGY NOTES

## PROTOCOL: CSF Dynamic Biomarkers for Differential Diagnosis of NPH vs AD with Concomitant NPH **Phase 1: Patient Recruitment and Stratification (Months 1-6)** Recruit 240 participants across three diagnostic cohorts: isolated NPH (n=80), isolated AD (n=80), and NPH with concomitant AD pathology (n=80). All participants must meet established diagnostic criteria: NPH diagnosed via clinical triad (cognitive decline, gait disturbance, urinary incontinence) with characteristic ventriculomegaly on MRI/CT and positive response to CSF tap test; AD diagnosed via amyloid-beta 42, phosphorylated tau-181, and total tau thresholds per ATN framework. Perform comprehensive neuropsychological assessment using Montreal Cognitive Assessment (MoCA), Mini-Cog, and Trail Making Test. Document comorbidities, medications, and prior neuroimaging. Randomize into primary cohort (n=160) and validation cohort (n=80) stratified by age (±5 years) and disease severity. **Phase 2: CSF Collection and Pre-analytic

▸Metadatasource: {'pmid': '39180980', 'type': 'paper', 'e

source	{'pmid': '39180980', 'type': 'paper', 'extracted_by': 'backfill_v1', 'extraction_date': '2026-04-16T01:00:16.896718Z'}
summary	# CSF Dynamic Biomarkers for Differential Diagnosis of NPH vs AD with Concomitant NPH ## Background and Rationale Normal pressure hydrocephalus (NPH) and Alzheimer's disease (AD) present a complex dia
entities	{'genes': ['AQP1/AQP4/HCRTR1'], 'diseases': ["Alzheimer's Disease"], 'pathways': ['HDAC4-Mef2A-eNOS signaling pathway', 'CaMKII-AMPK signaling']}
model_system	aortic endothelial cells
_schema_version	1
experiment_type	clinical
primary_outcome	cellular senescence phenotype and angiogenic capacity
methodology_notes	## PROTOCOL: CSF Dynamic Biomarkers for Differential Diagnosis of NPH vs AD with Concomitant NPH Phase 1: Patient Recruitment and Stratification (Months 1-6) Recruit 240 participants across three
replication_status	single_study
extraction_metadata	{'backfill_at': '2026-04-16T01:00:16.896729', 'needs_review': False, 'extraction_notes': 'Backfilled from wiki source via PMID 39180980', 'extraction_confidence': 0.9}

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CSF Dynamic Biomarkers for Differential Diagnosis of NPH vs AD with Concomitant NPH

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