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疟疾通常由感染性按蚊叮咬传播,但也可通过输血而输入带疟原虫血液感染疟疾,称为输血性疟疾。近年来,随着热带地区输血量的增加以及温带地区和疟疾流行区之间旅游业的发展,输血传播疟疾的危险性也逐渐增加。据报道,国内发生的输血性疟疾也有逐年增多的趋势。输血性疟疾常因原发病被忽视,新感染疟疾得不到及时诊断和治疗,导致受血者的原发病情加重,造成恶性循环,出现不良后果。输血性疟疾不仅发生于输用全血以后,而且输用血液成分也会发生。也可因皮下或肌肉注射时,由于被带有疟原虫的血液污染了注射器而造成感染。血液来源大多为无症状而又具有免疫力的疟原虫携带
Malaria is usually transmitted by bites of infected Anopheles mosquitoes, but malaria can also be introduced into blood infected with Plasmodium by transfusion, known as transmissible malaria. In recent years, with the increase of blood transfusion in the tropics and the tourism development between temperate areas and malaria-endemic areas, the risk of blood transfusion malaria also gradually increases. It has been reported that the incidence of transmissible malaria in the country also has a tendency of increasing year by year. Blood transfusion malaria is often neglected due to the primary disease, and the newly infected malaria can not be diagnosed and treated promptly. As a result, the primary condition of the recipient is aggravated, resulting in a vicious circle with adverse consequences. Transfusion-transmitted malaria occurs not only after transfusions with whole blood, but transfusion of blood components also occurs. Infections can also be caused by subcutaneous or intramuscular injection of contaminated syringes by the blood with Plasmodium. Most blood sources are asymptomatic and immune to carry plasmodium