Temperature management on cardiopulmonary bypass: Is it standardised across Great Britain and Ireland?

Author:

Browne Lorraine P1ORCID

Affiliation:

1. Perfusion Department, Cardiothoracic Theatre, Cardiac Renal Centre, Cork University Hospital, Wilton, Cork, Ireland

Abstract

Temperature management is an essential element of cardiopulmonary bypass (CPB), as indicated in the Guide to Good Practice in Clinical Perfusion, ‘The safe conduct of CPB requires the clinical perfusionist to measure and control. . . blood temperature. . . during the period of bypass’. To review current practice, we have conducted a research survey into the management of temperature on CPB. Surveys were distributed to each centre in Great Britain and the Republic of Ireland, investigating numerous temperature management practices, to elucidate current practice and assess if recent research into temperature management marry routine clinical practice. Our results demonstrate that nasopharyngeal temperature is the most common (52%) temperature site used across the many centres, which correlates with previous research as a routine site for cerebral temperature management. The arterial outlet of the oxygenator temperature was used in 33% of centres, however, all centres lacked the knowledge to maintain this temperature below 37°C. There was significant variation between all centres, especially regarding rewarming times (20–40 minutes), demonstrating a lack of uniformity among perfusion centres. Interestingly, most centres have been using the same protocol that has been in place over the previous 10 years. To conclude, the practice of temperature management is changing with the awareness of new research. Lower target temperatures are recommended for rewarming, ensuring a lower temperature gradient and a longer mean rewarming time.

Publisher

SAGE Publications

Subject

Advanced and Specialized Nursing,Cardiology and Cardiovascular Medicine,Safety Research,Radiology, Nuclear Medicine and imaging,General Medicine

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