新型和重现的克氏锥虫传播形式。

Emerging and reemerging forms of Trypanosoma cruzi transmission.

机构信息

Universidade de São Paulo, Faculdade de Medicina, Departamento de Moléstias Infecciosas e Ptarasitárias, São Paulo, SP, Brasil.

Universidade de São Paulo, Hospital das Clínicas da Faculdade de Medicina, Laboratório de Imunologia, São Paulo, SP, Brasil.

出版信息

Mem Inst Oswaldo Cruz. 2022 May 16;117:e210033. doi: 10.1590/0074-02760210033. eCollection 2022.

Abstract

This review aims to update and discuss the main challenges in controlling emergent and reemergent forms of Trypanosoma cruzi transmission through organ transplantation, blood products and vertical transmission in endemic and non-endemic areas as well as emergent forms of transmission in endemic countries through contaminated food, currently representing the major cause of acute illness in several countries. As a neglected tropical disease potentially controllable with a major impact on morbimortality and socioeconomic aspects, Chagas disease (CD) was approved at the WHO global plan to interrupt four transmission routes by 2030 (vector/blood transfusion/organ transplant/congenital). Implementation of universal or target screening for CD are highly recommended in blood banks of non-endemic regions; in organ transplants donors in endemic/non-endemic areas as well as in women at risk from endemic areas (reproductive age women/pregnant women-respective babies). Moreover, main challenges for surveillance are the application of molecular methods for identification of infected babies, donor transmitted infection and of live parasites in the food. In addition, the systematic recording of acute/non-acute cases and transmission sources is crucial to establish databases for control and surveillance purposes. Remarkably, antiparasitic treatment of infected reproductive age women and infected babies is essential for the elimination of congenital CD by 2030.

摘要

本综述旨在更新和讨论在控制流行和再现形式的克氏锥虫通过器官移植、血液制品和垂直传播的主要挑战,在流行和非流行地区以及流行国家通过污染食物出现的新的传播形式,目前这是几个国家急性疾病的主要原因。作为一种潜在可控的被忽视的热带病,对发病率和死亡率以及社会经济方面有重大影响,恰加斯病(CD)在世界卫生组织 2030 年中断四种传播途径的全球计划中获得批准(媒介/输血/器官移植/先天)。在非流行地区的血库中强烈推荐对 CD 进行普遍或有针对性的筛查;在流行/非流行地区的器官移植供体以及流行地区的高危妇女(育龄妇女/孕妇-相应的婴儿)中进行筛查。此外,监测的主要挑战是应用分子方法来鉴定受感染的婴儿、供体传播感染和食物中的活寄生虫。此外,系统记录急性/非急性病例和传播源对于建立控制和监测目的的数据库至关重要。值得注意的是,对育龄期受感染妇女和受感染婴儿进行抗寄生虫治疗对于到 2030 年消除先天性 CD 至关重要。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8322/9113729/e3830bde0a9d/1678-8060-mioc-117-e210033-gf.jpg

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