If patient resistance is weak , blood transfusion amount is large , and virus of the hepatitis in the blood of the input is duplicate and active , criterion the acute after the receptor has give aid and support easily is heavy - duty hepatitis or subacute heavy - duty hepatitis , prognosis is poor , mortality is tall 如病人反抗力弱,输血量大,而输入的血中肝炎病毒复制活跃,则受血者易患输血后急性重型肝炎或亚急性重型肝炎,预后差,死亡率高。
According to the relationship of cause and effect concerning the blood - transfusion - related hepatitis infection , it should be recognized that infection is resulted from the blood transfusion as long as the blood - supplying stations or medical institution can either prove that the suffer has been infected though other channels during a certain period of time after the blood - transfusion D对于输血感染丙肝的因果关系认定,只要采供血机构、医疗机构不;能证明受血者在输血前已经感染或者输血后一段时间内有其他途径感染丙肝,即认为受血者感染丙肝系输血所致。