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Related Concept Videos

Aneurysm IV: Nursing Management01:22

Aneurysm IV: Nursing Management

Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...
Decreased Body Temperature01:29

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A decreased body temperature can occur in patients with hypothermia and frostbite. Heat loss with extended cold exposure overpowers the body's ability to create heat, resulting in hypothermia. Core temperature readings help classify hypothermia. Mild hypothermia is temperatures between 32 °C (89.6 °F) and 35°C (95 °F) and is caused by impaired thermoregulation. Moderate hypothermia is temperatures between 28 C (82.4 °F) and 32 °C (89.6 °F) caused by sustained extreme cold exposure, and severe...

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In vitro Assessment of Myocardial Protection following Hypothermia-Preconditioning in a Human Cardiac Myocytes Model
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Published on: October 27, 2020

Consensus on hypothermia in aortic arch surgery.

Tristan D Yan1, Paul G Bannon, Joseph Bavaria

  • 1The Collaborative Research (CORE) Group, Sydney, Australia; ; Department of Cardiothoracic Surgery, Royal Prince Alfred Hospital, University of Sydney, Sydney, Australia;

Annals of Cardiothoracic Surgery
|August 27, 2013
PubMed
Summary
This summary is machine-generated.

Hypothermia during aortic arch surgery reduces brain activity but lacks clear temperature definitions. This consensus defines hypothermia levels and recommends monitoring sites for consistent reporting in circulatory arrest procedures.

Keywords:
Aortic arch surgerycerebral protectionconsensus statementhypothermic circulatory arrest

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Last Updated: May 8, 2026

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Area of Science:

  • Cardiovascular Surgery
  • Hypothermia Research
  • Cerebral Protection

Background:

  • Hypothermia is crucial for reducing cerebral metabolic demand during aortic arch surgery and circulatory arrest.
  • Current temperature classifications for hypothermic circulatory arrest lack clear definitions, hindering consistent research and clinical practice.

Purpose of the Study:

  • To establish clear definitions for 'profound', 'deep', 'moderate', and 'mild' hypothermia.
  • To recommend standardized monitoring sites for temperature assessment during hypothermic circulatory arrest.
  • To facilitate more consistent reporting and robust analysis in aortic arch surgery research.

Main Methods:

  • A consensus was reached among experts from high-volume aortic institutions.
  • The consensus defines specific temperature ranges for different levels of hypothermia.
  • Recommendations for standardized temperature monitoring sites were developed.

Main Results:

  • Clear definitions for profound, deep, moderate, and mild hypothermia were established.
  • Standardized temperature monitoring sites were recommended for consistent data collection.
  • The consensus provides a framework for improved reporting and analysis in hypothermic circulatory arrest.

Conclusions:

  • Standardized definitions and monitoring of hypothermia are essential for aortic arch surgery.
  • This consensus aims to improve the consistency and reliability of research and clinical outcomes.
  • Adoption of these guidelines will enhance the understanding and application of hypothermia in complex cardiac procedures.