Related Experiment Video
Updated: Aug 8, 2026
05:00
Short-Duration Hypothermia Induction in Rats using Models for Studies examining Clinical Relevance and Mechanisms
Published on: March 3, 2021
Positive selective brain cooling method: a novel, simple, and selective nasopharyngeal brain cooling method
1Department of Emergency and Critical Care Medicine, Showa University School of Medicine, Tokyo, Japan. kdop@med.showa-u.ac.jp
Acta Neurochirurgica. Supplement
|May 5, 2006
Summary
Positive selective brain cooling (PSBC) offers a safe and quick method to control brain temperature after injury. This technique uses chilled air to selectively cool the brain, avoiding systemic complications associated with conventional hypothermia.
Area of Science:
- Neurology
- Medical Devices
- Thermoregulation
Background:
- Hyperthermia exacerbates brain damage, while hypothermia can be protective.
- Conventional hypothermia methods, like cooling blankets, are non-selective and can cause systemic complications.
Observation:
- A novel positive selective brain cooling (PSBC) method was developed for rapid and safe brain temperature control post-injury.
- Brain temperature was monitored using a ventriculostomy CAMINO catheter in patients.
Findings:
- PSBC involves directing chilled air (8-12 L/min) into the nasal cavity, exhaled orally, to selectively cool the brain.
- This method effectively maintained normal brain temperature in most patients.
- PSBC offers quick induction of brain temperature control without requiring specialized facilities.
Implications:
- PSBC presents a promising alternative for managing brain temperature in patients with brain injuries.
- The non-invasive nature and ease of implementation suggest broad applicability in clinical settings.
- Further research could explore long-term outcomes and efficacy across different types of brain injury.
