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Eur J Cardiothorac Surg 1999;16:482-484
© 1999 Elsevier Science NL

How to do it

A simple and flexible blood cardioplegia delivery system

Royal Brompton Hospital, Royal Brompton and Harefield NHS Trust, Sydney St., London, SW3 6NP, UK

Corresponding author. Transplantation Unit, Papworth Hospital, Papworth Everard, Cambridge CB3 8RE, UK.
e-mail: Perreas{at}hotmail.com

We describe a simple technique for the delivery of high haematocrit blood cardioplegia. The system allows for a user defined, variable concentration of warm, tepid or cold solution to be delivered. The concentration can be varied based upon the pressure regulated flow of blood, and is manipulated by a four variable equation calculated by a spreadsheet formula stored in a hand-held computer. The system provides a very accurate and rapid method of titration and administration of the cardioplegic solution.

Key Words: Cardioplegia • Technique • Delivery systems