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Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management
Published on: November 21, 2017
Rapid endovascular warming for profound hypothermia.
Megan Laniewicz1, Kenneth Lyn-Kew, Robert Silbergleit
1Department of Emergency Medicine, University of Michigan Health System, Ann Arbor, MI, USA.
Annals of Emergency Medicine
|August 8, 2007
Summary
Endovascular warming effectively treated profound hypothermia when traditional methods failed. This less invasive approach rapidly restored hemodynamic stability in a critically ill patient.
Area of Science:
- Emergency Medicine
- Critical Care Medicine
- Cardiovascular Physiology
Background:
- Profound hypothermia presents significant mortality and morbidity risks.
- Invasive extracorporeal warming methods offer optimal outcomes but lack widespread hospital availability.
- Endovascular warming devices represent a potentially less invasive alternative for rewarming.
Observation:
- A 68-year-old female presented with profound hypothermia (23.0°C) after environmental exposure.
- The patient was comatose, bradycardic, and pulseless, with ineffective response to traditional warming for 2 hours.
- An endovascular temperature control system was initiated for rewarming.
Findings:
- The endovascular system achieved effective rewarming at a rate of approximately 3°C per hour.
- Rewarming was associated with the return of hemodynamic stability.
- Endovascular warming demonstrated efficacy in a case where conventional methods were insufficient.
Implications:
- Endovascular warming systems can rapidly rewarm patients from profound hypothermia.
- These systems offer a viable, less invasive alternative to extracorporeal methods for severe hypothermia management.
- Increased accessibility and utilization of endovascular warming could improve outcomes in profound hypothermia cases.
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