流行性出血热(出血热)的出血是本病的特征性表现之一。早在60年代,已有一些作者对出血机理作了探讨。70年代后期以来,对本病的出血机理研究更为深入。现将有关因素分述于后。一、毛细血管壁的损伤这可能是早期出血的主要因素。(一)病毒直接损伤血管壁。本病的特征性病理改变是全身性小血管的病变,表现为内皮 Bleeding from epidemic hemorrhagic fever (hemorrhagic fever) is one of the hallmarks of this disease. As early as the 1960s, some authors have explored the bleeding mechanism. Since the late 1970s, the bleeding mechanism of the disease more in-depth study. Now the relevant factors are described later. First, the damage of the capillary wall This may be the main factor in early bleeding. (A) the virus directly damage the vessel wall. The characteristic pathological changes of this disease are systemic small vessel lesions, manifested as endothelium