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Updated: Jun 4, 2026

Metagenomic Next-Generation Sequencing of Cerebrospinal Fluid for the Detection of Central Nervous System Pathogens
Published on: April 17, 2026
Cerebrospinal fluid diagnostics in first-episode schizophrenia
Laura Kranaster1, Dagmar Koethe, Carolin Hoyer
1Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Ruprecht-Karls-University Heidelberg, J5, 68159, Mannheim, Germany.
Cerebrospinal fluid diagnostics are valuable for diagnosing first-episode schizophrenia, aiding in re-evaluation and treatment changes. Lumbar puncture is safe, with minor side effects like headache reported in 10.3% of patients.
Area of Science:
- Neuroscience
- Psychiatry
- Clinical Diagnostics
Background:
- Schizophrenia diagnosis in first-episode patients can be challenging.
- Cerebrospinal fluid (CSF) analysis is an underutilized diagnostic tool in psychiatry.
- Establishing the utility of CSF diagnostics in this population is crucial.
Purpose of the Study:
- To evaluate the clinical utility of cerebrospinal fluid diagnostics in patients with suspected first-episode schizophrenia.
- To assess the safety and adverse event profile of lumbar puncture in this patient group.
Main Methods:
- Retrospective analysis of 155 patients with suspected first-episode schizophrenia.
- Inclusion of cerebrospinal fluid diagnostic results in clinical decision-making.
- Documentation of adverse events following lumbar puncture.
Main Results:
- Pathological CSF findings were identified in 3.2% of patients, leading to diagnostic re-evaluation and altered clinical management.
- No serious adverse events were recorded.
- Mild to moderate headache or local pain at the puncture site occurred in 10.3% of patients.
Conclusions:
- Cerebrospinal fluid diagnostics offer significant value in the diagnostic workup of first-episode schizophrenia.
- Lumbar puncture is a safe procedure in this population, with a low incidence of minor adverse effects.
- Integrating CSF analysis can improve diagnostic accuracy and guide treatment strategies for early psychosis.
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