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MOTHER-TO-CHILD TRANSMISSION OF HUMAN T-CELL LYMPHOTROPIC VIRUSES-1/2: WHAT WE KNOW, AND WHAT ARE THE GAPS IN UNDERSTANDING AND PREVENTING THIS ROUTE OF INFECTION
breastfeeding
human T-cell lymphotropic viruses
perinatal transmission
prevention
Autor
Proietti, Anna Barbara de Freitas Carneiro
Damasio, Mariana Amaranto de Souza
Horiguchi, Cláudia Leal Ferreira
Bastos, Rafael Henrique Campolina
Seabra-Freitas, G
Reiss, Débora Borowiak
Ribeiro, Maísa Aparecida
Proietti, Fernando Augusto
Ferreira, Anísia da Soledade Dias
Oliveira, Marina Lobato Martins de
Damasio, Mariana Amaranto de Souza
Horiguchi, Cláudia Leal Ferreira
Bastos, Rafael Henrique Campolina
Seabra-Freitas, G
Reiss, Débora Borowiak
Ribeiro, Maísa Aparecida
Proietti, Fernando Augusto
Ferreira, Anísia da Soledade Dias
Oliveira, Marina Lobato Martins de
Afiliación
Fundação Hemominas. Interdisciplinary HTLV Research Group. Belo Horizonte, MG, Brasil/ Faculdade da Saúde e Ecologia Humana. Vespasiano, MG, Brasil
Faculdade da Saúde e Ecologia Humana. Interdisciplinary HTLV Research Group. Vespasiano, MG, Brasil
Fundação Hemominas. Interdisciplinary HTLV Research Group. Belo Horizonte, MG, Brasil/ Faculdade da Saúde e Ecologia Humana. Vespasiano, MG, Brasil
Faculdade da Saúde e Ecologia Humana. Interdisciplinary HTLV Research Group. Vespasiano, MG, Brasil
Faculdade da Saúde e Ecologia Humana. Interdisciplinary HTLV Research Group. Vespasiano, MG, Brasil
Faculdade da Saúde e Ecologia Humana. Interdisciplinary HTLV Research Group. Vespasiano, MG, Brasil
Fundação Hemominas. Interdisciplinary HTLV Research Group. Belo Horizonte, MG, Brasil/aculdade da Saúde e Ecologia Humana. Vespasiano, MG, Brasil
Faculdade da Saúde e Ecologia Humana. Interdisciplinary HTLV Research Group. Vespasiano, MG, Brasil/ Fundação Oswaldo Cruz. Centro de Pesquisas René Rachou. Laboratório de Epidemiologia e Antropologia Médica. Belo Horizonte, MG, Brazil.
Fundação Hemominas. Interdisciplinary HTLV Research Group. Belo Horizonte, MG, Brasil
Fundação Hemominas. Interdisciplinary HTLV Research Group. Belo Horizonte, MG, Brasil
Faculdade da Saúde e Ecologia Humana. Interdisciplinary HTLV Research Group. Vespasiano, MG, Brasil
Fundação Hemominas. Interdisciplinary HTLV Research Group. Belo Horizonte, MG, Brasil/ Faculdade da Saúde e Ecologia Humana. Vespasiano, MG, Brasil
Faculdade da Saúde e Ecologia Humana. Interdisciplinary HTLV Research Group. Vespasiano, MG, Brasil
Faculdade da Saúde e Ecologia Humana. Interdisciplinary HTLV Research Group. Vespasiano, MG, Brasil
Faculdade da Saúde e Ecologia Humana. Interdisciplinary HTLV Research Group. Vespasiano, MG, Brasil
Fundação Hemominas. Interdisciplinary HTLV Research Group. Belo Horizonte, MG, Brasil/aculdade da Saúde e Ecologia Humana. Vespasiano, MG, Brasil
Faculdade da Saúde e Ecologia Humana. Interdisciplinary HTLV Research Group. Vespasiano, MG, Brasil/ Fundação Oswaldo Cruz. Centro de Pesquisas René Rachou. Laboratório de Epidemiologia e Antropologia Médica. Belo Horizonte, MG, Brazil.
Fundação Hemominas. Interdisciplinary HTLV Research Group. Belo Horizonte, MG, Brasil
Fundação Hemominas. Interdisciplinary HTLV Research Group. Belo Horizonte, MG, Brasil
Resumen en ingles
Although human T-cell lymphotropic viruses (HTLV-1/2) were described over 30 years ago, they are relatively unknown to the public and even to healthcare personnel. Although HTLV-1 is associated with severe illnesses, these occur in only approximately 10% of infected individuals, which may explain the lack of public knowledge about them. However, cohort studies are showing that a myriad of other disease manifestations may trouble infected individuals and cause higher expenditures with healthcare. Testing donated blood for HTLV-1/2 started soon after reliable tests were developed, but unfortunately testing is not available for women during prenatal care. Vertical transmission can occur before or after birth of the child. Before birth, it occurs transplacentally or by transfer of virus during cesarean delivery, but these routes of infection are rare. After childbirth, viral transmission occurs during breastfeeding and increases with longer breastfeeding and high maternal proviral load. Unlike the human immunodeficiency virus types 1 and 2, HTLV is transmitted primarily through breastfeeding and not transplacentally or during delivery. In this study, we review what is currently known about HTLV maternal transmission, its prevention, and the gaps still present in the understanding of this process.
Palabras clave en ingles
HTLVbreastfeeding
human T-cell lymphotropic viruses
perinatal transmission
prevention
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