A baboon model for hematologic studies of cardiopulmonary bypass
Journal of Laboratory and Clinical Medicine, ISSN: 0022-2143, Vol: 130, Issue: 4, Page: 412-420
1997
- 21Citations
- 9Captures
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Metrics Details
- Citations21
- Citation Indexes21
- 21
- CrossRef19
- Captures9
- Readers9
Article Description
Objective investigation of new inhibitors of blood protein or cellular systems that are activated during cardiopulmonary bypass (CPB) is impeded by the absence of a satisfactory animal model. Because most baboon hematologic proteins immunologically cross-react with those used for human assays, we developed a robust, reusable baboon model of CPB. Blood samples were obtained from adult baboons at six time intervals before, during, and after 60 minutes of partial CPB at 37°C with peripheral cannulas. Both membrane (n = 7) and bubble oxygenators (n = 7) were investigated. We measured platelet and white blood cell counts; platelet response to adenosine diphosphate and release of β-thromboglobulin; fibrinopeptide A, prothrombin fragment F 1.2, thrombin-antithrombin complex, d -dimer, and plasmin-antiplasmin complex; activated complement (C3b/c and C4b/c); elastase-α 1 proteinase inhibitor complex; and bleeding times. Adherent glycoprotein III a antigen in Triton X-100 washes of the perfusion circuit was also measured. Markers of baboon platelet, complement, and neutrophil activation and thrombosis significantly increased during CPB with bubble oxygenator systems but did not change appreciably in membrane oxygenator circuits. Markers of fibrinolysis, d -dimer, and plasmin-antiplasmin complex did not change with either oxygenator. The baboon model of CPB, when a bubble oxygenator is used, is a robust, reusable animal model for evaluating inhibitors of platelet, complement, and neutrophil activation and thrombosis during and after CPB.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S002221439790041X; http://dx.doi.org/10.1016/s0022-2143(97)90041-x; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=12644296057&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/9358080; http://linkinghub.elsevier.com/retrieve/pii/S002221439790041X; http://api.elsevier.com/content/article/PII:S002221439790041X?httpAccept=text/xml; http://api.elsevier.com/content/article/PII:S002221439790041X?httpAccept=text/plain; https://linkinghub.elsevier.com/retrieve/pii/S002221439790041X; http://dx.doi.org/10.1016/s0022-2143%2897%2990041-x; https://dx.doi.org/10.1016/s0022-2143%2897%2990041-x
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