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Haemo-autologous Antegrade Repriming (HAR) as Minimum Impact Perfusion Strategy for Cardiopulmonary Bypass — HARjbm1  

Anemia Clinical Trial

Official title:
Haemo-autologous Antegrade Repriming (HAR) Clinical Trial for Validation as Minimum Impact Perfusion Strategy in Cardiopulmonary Bypass

Clinical Trial Summary

Haemo-autologous Antegrade Repriming (HAR) is a procedure based in the combination of evidence proven measures designed to reduce the haemodilution caused by establishing the cardiopulmonary bypass (CPB) during cardiac surgery. This clinical trial aims to determinate, in one hand, the benefits related to HAR in terms of transfusion, ICU stay, ventilation time, early mortality and complications. In the other hand analyzes the gaseous microemboli (GME) load, comparing the oxygenators venting technology´s efficiency in treatment and control group, and its relation with patient´s neurocognitive status.

Clinical Trial Description

HAR is a repriming technique based in Retrograde Autologous Priming (RAP), that has been implemented by recently recommended measures in terms of reducing blood transfusions. The expected clinical benefits are related to hemodilution´s reduction up to only 300ml. The extracorporeal circuit has been reduced to 3/8 inch diameter in both lines, reducing the surface up to 1000ml of dynamic priming. Vacuum assisted venous drainage (VAVD) allows to empty the venous line after priming and deairing, facilitating the venous flow for CPB initiation. The antegrade repriming eliminates the maximum amount of crystalloid contained in the circuit, displacing it to a collector bag, by using autologous blood sequestered from the arterial line to the hardshell reservoir. HAR reduces the CPB hemodilution related to priming from 1500 to 300 ml preventing the usual sudden haemoglobin level reduction occured during every extracorporeal techinque´s establishment. Our mission is to analyze if HAR can be validated as a safe and effective tool to improve clinical outcomes in cardiac surgery procedures under extracorporeal circulation ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03720184
Study type Interventional
Source Hospital Universitario Virgen de la Arrixaca
Contact
Status Completed
Phase N/A
Start date August 15, 2018
Completion date February 9, 2021
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