Therapeutic Cooling Strategies for Epilepsy Management

Therapeutic cooling represents a burgeoning adjunct in the management of epilepsy, harnessing reduction in tissue temperature to interrupt pathophysiological processes underpinning seizure activity. Both systemic hypothermia and focal brain cooling techniques aim to modulate ion channel kinetics, neurotransmitter release and metabolic demand, thereby attenuating hyperexcitability and neuroinflammation. In acute settings such as convulsive status epilepticus, controlled cooling protocols (32–34 °C) have been implemented to mitigate neuronal injury and improve functional outcomes. Concurrently, miniaturised implantable and wearable devices are under development to deliver targeted thermal modulation at an epileptogenic focus, offering an alternative for refractory cases unresponsive to pharmacotherapy or surgery. Advances in computational modelling and material science have optimised device geometry, coolant dynamics and thermal interfaces, enhancing safety and efficacy. Collectively, these strategies underscore a shift towards precision interventions that leverage temperature sensitivity of excitatory and inhibitory networks, with potential to transform both emergency and chronic epilepsy care on a global scale.

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Therapeutic Cooling Strategies for Epilepsy Management publication trend

The graph below shows the total number of articles in therapeutic cooling strategies for epilepsy management across all publications each year (not limited to Nature Index journals).

Technical terms

Therapeutic hypothermia: Controlled reduction of core body temperature to 32–34 °C to confer neuroprotection, particularly in acute neurological emergencies.

Focal brain cooling: Targeted reduction of cortical or subcortical temperature at an epileptic focus to suppress local neuronal hyperexcitability while preserving surrounding tissue function.

Status epilepticus: A prolonged or rapidly recurring seizure episode lasting more than five minutes, requiring urgent intervention to prevent irreversible brain injury.

Epileptogenesis: The process by which a normal brain develops a pathological propensity for recurrent, unprovoked seizures following an initial insult.

Surrogate modelling: A data-driven computational method that approximates complex simulation outputs, enabling rapid optimisation of device design parameters.

Finite element simulation: Numerical technique that divides a physical structure into discrete elements to predict thermal and fluid dynamics in device prototypes.

References

1. Neuroprotective effect of therapeutic hypothermia versus standard care alone after convulsive status epilepticus: protocol of the multicentre randomised controlled trial HYBERNATUS. Annals of Intensive Care (2016).
2. Recent antiepileptic and neuroprotective applications of brain cooling. Seizure (2020).
3. Optimal Design of Neuroprotective Focal Brain Cooling Device Using Surrogate Model Approach. IEEE Transactions on Medical Robotics and Bionics (2020).