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Lookup NU author(s): Stephen Clark
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Pulmonary injury during cardiopulmonary bypass is common as patient factors (smoking, pain, pneumonia) and the effects of cardiopulmonary bypass combine to compromise lung function after cardiac surgery. Lung injury follows the propagation of an inflammatory response involving cytokines, complement, neutrophils, monocytes, activated endothelial cells and platelets. Neutrophils sequester in the lung in response to chemotactic agents and release injurious oxygen free radicals and specific enzymes resulting in widespread pulmonary injury. To alleviate this lung injury a number of possible interventions exist. Off pump surgery may reduce the degree of systemic inflammation but respiratory impairment still occurs and the clinical advantage is uncertain. The use of leukocyte filtration can attenuate the acute inflammatory response with encouraging though variable results. Aprotinin, Pentoxyfilline, Nitric oxide, Aspirin and other agents have shown benefits in lung function after cardiopulmonary bypass induced lung injury. Given the magnitude and diversity of the inflammatory response to cardiopulmonary bypass many possible interventions exist to attenuate lung injury resulting from extracorporeal circulation. Immediate clinical benefits are likely to result from successful amelioration of the processes involved.
Author(s): Clark SC
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: Perfusion Workshop
Year of Conference: 2006
Pages: 225-228
ISSN: 0267-6591
Publisher: Perfusion: Sage
DOI: 10.1191/0267659106pf872oa
Library holdings: Search Newcastle University Library for this item
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