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Innovative Strategies for Organ Preservation in Heart Transplantation: Uniform Cooling Preservation and Ex-situ Normothermic Perfusion

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[Donor heart preservation].

Yukio Hayashi¹, Mitsuo Iwasaki

¹Department of Anesthesiology, Osaka University Medical School, Suita.

Masui. the Japanese Journal of Anesthesiology

|January 25, 2008

Summary

This summary is machine-generated.

Maintaining donor heart function after brain death is crucial for successful transplantation. Volatile anesthetics may protect cardiac function following brain death through preconditioning effects.

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Normothermic Ex Situ Heart Perfusion in Working Mode: Assessment of Cardiac Function and Metabolism

Normothermic Ex Situ Heart Perfusion in Working Mode: Assessment of Cardiac Function and Metabolism

Published on: January 12, 2019

Area of Science:

Anesthesiology
Cardiovascular Physiology
Organ Transplantation

Context:

Severe heart failure necessitates heart transplantation, but donor organ shortage is a major challenge.
Anesthesiologists play a vital role in maintaining donor organ viability before harvest.
Brain death often leads to cardiac dysfunction, compromising organ quality.

Purpose:

To investigate the effects of experimental brain death on cardiac function in a rat model.
To explore the potential of volatile anesthetics to mitigate cardiac dysfunction post-brain death.

Summary:

Experimental brain death in rats, induced by intracranial balloon inflation, led to early decreases in ejection fraction and dP/dt max, preceding significant blood pressure drops.
Myocardial sensitivity to epinephrine was heightened after brain death.
Volatile anesthetics, known for preconditioning effects, are hypothesized to improve cardiac function in brain-dead donors.

Impact:

This research may lead to improved anesthetic management strategies for organ donors.
Understanding brain death-induced cardiac changes can enhance donor organ preservation protocols.
Identifying interventions to maintain cardiac function could increase the availability of viable donor hearts for transplantation.