Development of a blood cardioplegia delivery system for children |
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Authors: | H Watanabe H Miyamura M Sugawara Y Takahashi S Tatebe M Shinonaga M Takahashi M Haga M Hiratsuka S Eguchi |
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Affiliation: | Second Department of Surgery, Niigata University School of Medicine, Japan. |
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Abstract: | We have developed a blood cardioplegia delivery system for children. Essential points of a delivery system in pediatric cardiac surgery are (1) a small amount of priming volume of a delivery system, and (2) slow, steady infusion of a cardioplegic solution. We changed a heat exchanger to a smaller one for reduction of priming volume, and changed a roller pump tube to a smaller one for slow, steady infusion. Thus, priming volume of a delivery system has reduced from 180 to 100 ml, and we can infuse a cardioplegic solution at a steady rate less than 10 ml/min. Our clinical experience with this system suggests that this blood cardioplegia delivery system is useful for pediatric cardiac surgery. |
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