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KMID : 0364020090420020184
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Korean Journal of Thoracic and Cardiovascular Surgery
2009 Volume.42 No. 2 p.184 ~ p.192
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Open Heart Surgery without Transfusion
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Kim Kun-Il
Lee Weon-Yong
Kim Shin
Kim Hyoung-Soo
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Abstract
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Background: Although complications from transfusion are known to happen, transfusion is performed during most open heart surgeries. The aim of this study was to investigate the possibility of performing cardiac surgery without allogenic blood transfusion.
Material and Method: Between January to August 2007, 44 consecutive patients who underwent open heart surgery with using various blood conservation methods were retrospectively enrolled. They were divided into group I (the onpump group, n=17) and group II (the offpump group, n=27). The blood conservation methods were intraoperative autologous donation, cell saver, retrograde autologous priming, conventional ultrafiltration and modified ultrafiltration. Antianemic agents were administered to all the patients postoperatively. We analyzed the possibility of bloodless operations, the causes of homologous transfusion, the serial change of the hematocrit and the postoperative chest tube drainage, and we compared the results between the two groups. If comparison between the two groups was not reasonable, then we compared two groups with the individual control groups I and II (49 patients) in 2006.
Result: 40 (90.9%) of 44 patients were successfully operated on without transfusion and the success rate was 88.2% (15/17) for group I and 92.6% (25/27) for group II. There was no statistical difference between the two groups (p=NS). The causes of transfusion were 2 cases of postoperative bleedings, 1 case of intraoperative bleeding and 1 mistake of the indication for transfusion. There was no statistical difference of the total chest tube drainage (Group I: 417±359 mL, Group II: 451±237 mL) (p=NS), but the total chest tube drainages of the two groups were less than each of the control groups 1 and II (p＜0.05). The lowest hematocrit level of Group I was 16.4±2%, and this occurred just after infusion of cardioplegics and the hematocrits of both groups were recovered to the preoperative level at 2 months postoperatively.
Conclusion: In this study, bloodless open heart surgery could be performed in 90.9% of the patients with intraoperative autologous donation, cell saver, retrograde autologous priming, conventional ultrafiltration and modified ultrafiltration. A combination of various blood conservation methods is the most important and bloodless cardiac surgery could be performed with meticulous bleeding control and strictly following the transfusion indications.
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KEYWORD
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Blood transfusion, Cardiopulmonary bypass
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