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- W2078953526 abstract "An ex-vivo isolated, perfused, and ventilated human lung (IPHL) model is well suited for many kinds of physiological, pharmacological, and surgical studies, when the physiological and biochemical conditions in the lung can be maintained near to those in vivo. The aim of this work was to develop such a model. The lung preparations used were available after resection because of bronchial carcinoma. Since the tumor remains intact in these anatomical preparations, this model is particularly suitable for investigation of the pharmacokinetics and effects of anticancer agents. Carrying out a series of 52 IPHL experiments (with 11 whole-lung preparations and 41 lobe preparations), we have established an IPHL model which allows extracorporeal perfusion and ventilation of the resected lungs in physiological conditions for 2-3 hours. The net weight gain during the experiment, wet-to-dry weight ratio for lung tissue, angiography of the pulmonary artery, pulmonary vascular resistance, color and fluorescence of the lung surface, and alveolar gas diffusion into the perfusate proved to be useful parameters to assess the stability of the preparations and the quality of the experiments. To confirm that an intraparenchymal tumor was perfused via the pulmonary artery, methods to detect avidin and dextran-biotin in tumor tissue after administration into the perfusion solution were employed. Histological examination of bronchial as well as tumor tissue, a computerized histoanalyzation, and a tumor grading program demonstrated that IPHL experiments did not interfere with the grading and staging of the tumors-an important ethical precondition for the use of human preparations in an extracorporeal perfusion model." @default.
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- W2078953526 date "1996-06-01" @default.
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- W2078953526 title "The Ex-Vivo Isolated, Perfused Human Lung Model: Description and Potential Applications" @default.
- W2078953526 doi "https://doi.org/10.1055/s-2007-1012003" @default.
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