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近年来革兰氏阴性杆菌所致的肺部感染明显增多。大多数革兰氏阴性菌都存在有内毒素，经动物实验证实，内毒素可使受感染动物出现血液动力学，肺毛细血管通透性及组织病理学的明显改变。为进一步研究内毒素在肺心病伴感染病人中的重要性，我们进行了以下研究。方法和结果一、材
In recent years, Gram-negative bacteria caused by lung infections increased significantly. Endotoxin is present in most Gram-negative bacteria. Animal experiments show that endotoxin can significantly alter hemodynamics, pulmonary capillary permeability and histopathology in infected animals. To further investigate the importance of endotoxin in patients with pulmonary heart disease and infection, we conducted the following studies. Method and result A, timber