Moderate hypothermia during ex vivo machine perfusion promotes recovery of hearts donated after cardiocirculatory death

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14110%2F16%3A00089079" target="_blank" >RIV/00216224:14110/16:00089079 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1093/ejcts/ezv066" target="_blank" >http://dx.doi.org/10.1093/ejcts/ezv066</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1093/ejcts/ezv066" target="_blank" >10.1093/ejcts/ezv066</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Moderate hypothermia during ex vivo machine perfusion promotes recovery of hearts donated after cardiocirculatory death

Popis výsledku v původním jazyce

OBJECTIVES To establish the optimal machine perfusion temperature for recovery of hearts in a rodent model of donation after declaration of cardiocirculatory death (DCD). METHODS Hearts from male Lewis rats (n = 14/group) were subjected to 25 min of in situ warm (37°C) ischaemia to simulate DCD. They were then explanted and reperfused with diluted autologous blood for 60 min at 20, 25, 30, 33 or 37°C, after which they were stored at 0-4°C in Custodiol preservation solution for 240 min. Fresh-excised and cold-stored ischaemic hearts were used as controls. The viability of the different groups was assessed by comparing heart rate and left ventricular contractility in a Langendorff circuit, as well as perfusate levels of troponin-t and creatine kinase (CK), and myocardial levels of adenosine triphosphate (ATP) and reduced glutathione. RESULTS During ex vivo reperfusion, hearts in all groups resumed beating within minutes. The mean heart rate was highest in the 37°C group at 154.72 +/- 33.

Název v anglickém jazyce

Moderate hypothermia during ex vivo machine perfusion promotes recovery of hearts donated after cardiocirculatory death

Popis výsledku anglicky

OBJECTIVES To establish the optimal machine perfusion temperature for recovery of hearts in a rodent model of donation after declaration of cardiocirculatory death (DCD). METHODS Hearts from male Lewis rats (n = 14/group) were subjected to 25 min of in situ warm (37°C) ischaemia to simulate DCD. They were then explanted and reperfused with diluted autologous blood for 60 min at 20, 25, 30, 33 or 37°C, after which they were stored at 0-4°C in Custodiol preservation solution for 240 min. Fresh-excised and cold-stored ischaemic hearts were used as controls. The viability of the different groups was assessed by comparing heart rate and left ventricular contractility in a Langendorff circuit, as well as perfusate levels of troponin-t and creatine kinase (CK), and myocardial levels of adenosine triphosphate (ATP) and reduced glutathione. RESULTS During ex vivo reperfusion, hearts in all groups resumed beating within minutes. The mean heart rate was highest in the 37°C group at 154.72 +/- 33.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

ED - Fyziologie

OECD FORD obor

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Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2016

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

European Journal Cardio-Thoracic Surgery

ISSN

1010-7940

e-ISSN

—

Svazek periodika

49

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

7

Strana od-do

25-31

Kód UT WoS článku

000370979800012

EID výsledku v databázi Scopus

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