Cerebrospinal Fluid Dynamics in Feline Epilepsy
Summary
Epilepsy in cats is increasingly recognised as a complex disorder not only of neuronal hyperexcitability but also of altered cerebrospinal fluid (CSF) physiology. CSF serves to cushion the brain, remove metabolic waste and distribute neurochemicals throughout the central nervous system. In feline epilepsy, disruptions in CSF production, flow and absorption have been linked to seizure initiation and propagation. Abnormal CSF pulsatility within the subarachnoid space may reflect impaired pressure gradients around the temporal lobes, potentially exacerbating neuronal excitability. Moreover, changes in CSF composition—such as elevated inflammatory mediators, alterations in protein content and perturbed blood–brain barrier transport—have been detected in epileptic cats, hinting at a bidirectional relationship between seizures and CSF homeostasis. Advanced imaging modalities and proteomic profiling have begun to uncover how CSF dynamics contribute to hippocampal sclerosis and other structural alterations observed in temporal lobe epilepsy. By integrating flow metrics, molecular biomarkers and pharmacokinetic studies of antiepileptic drugs within the CSF, researchers aim to develop more precise diagnostic tools and targeted interventions. Given the translational value of feline models for human epilepsy, elucidating CSF dynamics in cats offers both clinical relevance for veterinary practice and broader insights into seizure disorders across species.
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Cerebrospinal Fluid Dynamics in Feline Epilepsy publication trend
The graph below shows the total number of articles in cerebrospinal fluid dynamics in feline epilepsy across all publications each year (not limited to Nature Index journals).
Technical terms
Cerebrospinal fluid (CSF): Clear fluid surrounding the brain and spinal cord, providing mechanical support and waste clearance.
Subarachnoid space: Fluid-filled cavity between the arachnoid and pia mater membranes, a critical pathway for CSF circulation.
Phase-contrast MRI: Imaging technique that measures fluid velocity by encoding motion into signal phase, used to visualise CSF flow.
Proteomics: Large-scale analysis of proteins within a sample, applied to CSF to identify biomarkers of disease.
Blood–brain barrier: Selective endothelial boundary regulating exchange between blood and the central nervous system.
Hippocampal sclerosis: Pathological scarring and neuronal loss in the hippocampus, often associated with temporal lobe epilepsy.
Neuroinflammation: Inflammatory response within the nervous system involving cytokines and glial activation.
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