2018
DOI: 10.1590/s1678-9946201860048
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Thrombotic thrombocytopenic purpura associated with dengue and chikungunya virus coinfection: case report during an epidemic period

Abstract: The present report shows the occurrence of thrombotic thrombocytopenic purpura (TTP) associated with acute dengue and chikungunya virus coinfection, manifesting as a severe disease with high mortality potential. The patient was a 28 year-old man with clinical and epidemiological diagnosis of arboviruses infections who developed thrombocytopenia and anemia, after which oral corticosteroid therapy was started. On the third day of hospitalization, he showed neurological alterations that simulated a cerebral vascu… Show more

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Cited by 9 publications
(14 citation statements)
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“…It is knownhat viruses, drugs, tumours, autoimmune diseases, haematopoietic stem cell transplantation and other factors are associated with the disease. TTP has been reported to be secondary to the Epstein–Barr virus,7 dengue fever, chikungunya virus8 infection and diabetic ketoacidosis 9. This paper reports a case of TTP associated with the influenza A (H1N1) virus.…”
Section: Discussionmentioning
confidence: 99%
“…It is knownhat viruses, drugs, tumours, autoimmune diseases, haematopoietic stem cell transplantation and other factors are associated with the disease. TTP has been reported to be secondary to the Epstein–Barr virus,7 dengue fever, chikungunya virus8 infection and diabetic ketoacidosis 9. This paper reports a case of TTP associated with the influenza A (H1N1) virus.…”
Section: Discussionmentioning
confidence: 99%
“…En una serie de 25 casos, la mortalidad fue significativamente mayor en los pacientes con infección concomitante 4 . Otros estudios no comparativos describen hallazgos tales como el compromiso del sistema nervioso central en dos de los seis casos de infección concomitante 5 , el desarrollo del síndrome de Guillain-Barré en tres de los pacientes con infección concomitante en estudio 11 , la aparición de púrpura trombocitopénica trombótica 19 e, incluso, la muerte de un paciente por falla renal 3 y de varios más por otros motivos 18 . En Colombia, un estudio post mortem de siete casos de infección simultánea por dengue y chikungunya evidenció el compromiso renal y hepático por estos dos arbovirus en la histopatología 20 .…”
Section: Discussionunclassified
“…Su detección por la presencia de anticuerpos IgM tiene la desventaja de que, dado que estos anticuerpos son detectables en sangre hasta durante tres meses, la infección por uno de los virus puede haber precedido al otro, pero sin estar presentes simultáneamente. En algunos de los artículos consultados, los casos de infección concomitante de DENV y CHIKV se confirmaron con pruebas moleculares 5 , 10 , 15 , 19 , en otros, solo con la detección de anticuerpos IgM 4 , 11 , 17 , y en otros, mediante la combinación de ambas pruebas 12 - 14 .…”
Section: Discussionunclassified
“…However, individual predisposing conditions, especially microangiopathic diathesis might favor bleeding and life-threatening complications, requiring inpatient management. 82 , 83 , 84 Another crucial increasing phenomenon is vertical transmission from pregnant woman, causing neurologic symptoms and malformations, including microcephalia, seizure and/or encephalopathy. 85 …”
Section: Arbovirus Epidemicsmentioning
confidence: 99%
“… 84 , 85 , 86 , 87 , 88 , 89 A predisposing microangiopathic diathesis is supposed to favor platelet hyper aggregation and formation of microthrombi in the endothelium. 82 However, viral infections including Dengue are well-known inducers of inhibitor autoantibodies production, directed against the proteinase ADAMTS13, deputy to the von Willebrand factor (vWF) multimer cleavage. A severe deficiency of the ADAMTS 13 protein (defined as activity below 10%), compromises substantially the coagulation and platelet aggregation pathway.…”
Section: Arbovirus Epidemicsmentioning
confidence: 99%