Haemodynamic evaluation of retrograde versus anterograde delivery of cardioplegic solution in aortic valve replacement |
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Authors: | L Noyez JA van Son T van der Werf WN van Asten LK Lacquet |
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Affiliation: | Department of Thoracic and Cardiac Surgery, University Hospital Nijmegen St Radboud, The Netherlands. |
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Abstract: | A total of 44 patients undergoing isolated aortic valve replacement received either anterograde (20 patients) or retrograde (24 patients), cold St Thomas's Hospital cardioplegia. The patients were similar with respect to age, sex, left ventricular ejection fraction, left ventricular-aortic pressure gradient, cross-clamping time and mean dose of cardioplegia. After surgery, there were no differences in enzyme release, low cardiac output syndrome, rhythm disturbances or clinical outcome between the two groups. Analysis of the postoperative haemodynamic data, however, suggests better preservation of left ventricular contractility with retrograde delivery of cardioplegic solution. |
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