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A simple hybrid procedure, namely transapical aortic valve implantation combined with 'off-pump' coronary artery bypass using an internal thoracic artery, was performed in a patient with porcelain aorta, aortic valve stenosis and coronary artery disease. This approach does not require cardiopulmonary bypass, and avoids aortic or peripheral arterial cannulation and clamping of the aorta. This hybrid approach can be regarded as a 'new technique' being applied to an 'old idea'. 相似文献
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Stepanenko A Krabatsch T Hennig E Kaufmann F Jurmann B Dranishnikov N Lehmkuhl HB Pasic M Weng Y Hetzer R Potapov EV 《ASAIO journal (American Society for Artificial Internal Organs : 1992)》2011,57(5):382-387
Little is known about the hemolysis rate in the case of concomitant implantation of two continuous flow pumps for the treatment of biventricular heart failure. We present a retrospective study comparing the hemolysis parameters in patients supported with one implantable centrifugal pump of the type HeartWare HVAD used as a left ventricular assist device (LVAD) and with two pumps as a biventricular assist device (BiVAD). A total of 20 consecutive patients who received HeartWare BiVAD (n = 10) and LVAD (n = 10) support at our institution between September 2009 and September 2010 were examined. Hemolysis- and anemia-related parameters were analyzed after 2 weeks, 5 weeks, 3 months, and 6 months of support. Preoperative levels of hemoglobin, lactate dehydrogenase (LDH), and total bilirubin were similar in both groups. There were no differences in LDH, plasma-free hemoglobin (fHB), or total bilirubin levels postoperatively for up to 6 months. Only the haptoglobin level was lower in BiVAD recipients up to 3 months after surgery: 2nd week (63.5 [range: 8-237] mg/dl vs. 151 [range: 11-263] mg/dl, p = 0.05), 5th week (67 [range: 8-196] mg/dl vs. 215 [range: 56-292] mg/dl, p = 0.046), and after 3rd month (42 [range: 8-205] mg/dl vs. 220 [range: 157-256] mg/dl, p = 0.048). Our retrospective analysis of BiVAD HeartWare and LVAD HeartWare recipients showed a lack of a clinically important degree of hemolysis when two centrifugal HeartWare pumps are used for biventricular support. 相似文献