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J. Health Biol. Sci. (Online) ; 11(1): 1-3, Jan. 2023. ilus
Article in English | LILACS | ID: biblio-1525592

ABSTRACT

Immune thrombocytopenia (ITP) is an acquired cause of thrombocytopenia characterized by the presence of autoantibodies against platelets. It may be primary or secondary to several conditions. We present the case of a 63-year-old woman with a diagnosis of immune thrombocytopenia refractory to conventional therapy. After she was tested for secondary causes of ITP, a diagnosis of acute cytomegalovirus (CMV) infection was made. She was treated with ganciclovir and presented normalization of platelet count. CMV-related Immune Thrombocytopenia should always be considered in certain cases of refractory ITP. If the diagnosis of ITP secondary to acute CMV infection is made, specific antiviral therapy with ganciclovir should be considered. In these cases, immunosuppressive agents, such as steroids, may worsen the ITP and should be tapered or withdrawn as rapidly as feasible.


A Púrpura Trombocitopênica Imune (PTI) é uma causa de trombocitopenia adquirida caracterizada pela presença de autoanticorpos contra plaquetas. A doença pode ser primária ou secundária a diversas condições. Apresentamos o caso de uma mulher de 63 anos com diagnóstico de PTI refratária à terapêutica convencional. A investigação de causas secundárias evidenciou infecção aguda por citomegalovírus (CMV). A paciente foi tratada com ganciclovir e evoluiu com normalização no nível de plaquetas. A PTI relacionada ao CMV deve sempre ser investigada em pacientes com PTI refratária, sendo a terapia antiviral específica com ganciclovir o tratamento de escolha. Nestes casos, os agentes imunossupressores, como os corticosteroides, podem piorar a PTI e devem ser reduzidos gradualmente ou retirados o mais rapidamente possível.


Subject(s)
Humans , Female , Middle Aged
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