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Cardiopulmonary bypass 

Cardiopulmonary bypass
Cardiopulmonary bypass

Marco Ranucci

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date: 20 October 2020

Cardiopulmonary bypass (CPB) is used in the great majority of heart operations, and finds a role even in some non-cardiac procedures. Being a relatively old technique, CPB has faced dramatic improvements in recent years, from the point of view of both the nature of the materials and the technical characteristics. This chapter offers a wide overview on all the topics related to CPB, starting with a description of the components of the CPB circuit and oxygenator. Techniques of CPB perfusion are described, with specific respect to the assessment of pump flow adequacy, including how to monitor the patient’s reaction to CPB. Additional issues treated in this chapter include the role of haemodilution, perfusion pressure, and anticoagulation on CPB; the recent advances in terms of biocompatibility of the materials and mini-CPB. Finally, the different emergencies that can be met during CPB are briefly addressed.

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