The novel synthetic serine protease inhibitor CU-2010 dose-dependently reduces postoperative blood loss and improves postischemic recovery after cardiac surgery in a canine model
Background - Serine protease inhibitors such as aprotinin reduce perioperative blood loss and may improve postpump cardiac performance owing to their anti-inflammatory properties. After the “aprotinin era,” we investigated the efficacy of the novel synthetic serine protease inhibitors CU-2010 with i...
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| Hauptverfasser: | , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) Konferenzschrift |
| Sprache: | Englisch |
| Veröffentlicht: |
20 February 2010
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| In: |
The journal of thoracic and cardiovascular surgery
Year: 2010, Jahrgang: 139, Heft: 3, Pages: 732-740 |
| ISSN: | 1097-685X |
| DOI: | 10.1016/j.jtcvs.2009.10.059 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.jtcvs.2009.10.059 Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S0022522309015554 
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| Verfasserangaben: | Gábor Szabó, MD, PhD, Gábor Veres, MD, Tamás Radovits, MD, Humaira Haider, Nelli Krieger, Susanne Bährle, MD, Silke Niklisch, Christiane Miesel-Gröschel, Andreas van de Locht, PhD, and Matthias Karck, MD |
MARC
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| 245 | 1 | 4 | |a The novel synthetic serine protease inhibitor CU-2010 dose-dependently reduces postoperative blood loss and improves postischemic recovery after cardiac surgery in a canine model |c Gábor Szabó, MD, PhD, Gábor Veres, MD, Tamás Radovits, MD, Humaira Haider, Nelli Krieger, Susanne Bährle, MD, Silke Niklisch, Christiane Miesel-Gröschel, Andreas van de Locht, PhD, and Matthias Karck, MD |
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| 520 | |a Background - Serine protease inhibitors such as aprotinin reduce perioperative blood loss and may improve postpump cardiac performance owing to their anti-inflammatory properties. After the “aprotinin era,” we investigated the efficacy of the novel synthetic serine protease inhibitors CU-2010 with improved coagulatory and anti-inflammatory profile on blood loss and reperfusion injury in a canine model. - Methods - Thirty-six dogs were divided into 6 groups: control, aprotinin (n = 8; Hammersmith scheme), and CU-2010 (0.5, 0.83, 1.25, and 1.66 mg/kg). All animals underwent 90 minutes of cardiopulmonary bypass with 60 minutes of hypothermic cardioplegic arrest. End points were blood loss during the first 2 hours after application of protamine, as well as recovery of myocardial contractility (slope of the end-systolic pressure-volume relationship, coronary blood flow, and vascular reactivity. - Results - CU-2010 dose-dependently reduced blood loss to a degree comparable with that of aprotinin at lower doses and even further improved at higher doses (control/aprotinin/CU-2010 in increasing doses: 142 ± 13, 66 ± 17, 95 ± 16, 57 ± 17, 46 ± 3, and 13 ± 4 mL; P < .05). Whereas aprotinin did not influence myocardial function, CU-2010 improved the recovery of end-systolic pressure-volume relationship (control 60 ± 6 mg kg vs aprotinin 73 ± 7 mg/kg vs CU-2010 1.66 mg/kg; 102% ± 8%; P < .05). Coronary blood flow (52 ± 4 vs 88 ± 7 vs 96 ± 7; P < .05) and response to acetylcholine (44% ± 6% vs 77% ± 7% vs 81% ± 6%; P < .05) were improved by both aprotinin and CU-2010. - Conclusions - The novel serine protease inhibitor CU-2010 significantly reduced blood loss after cardiac surgery comparable with aprotinin. Furthermore, an additionally improved anti-inflammatory profile led to a significantly improved postischemic recovery of myocardial and endothelial function. | ||
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