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Título:	Altered Hypercoagulability Factors in Patients with Chronic Chagas Disease: Potential Biomarkers of Therapeutic. Response
Autor/a:	Pinazo, María Jesús; Posada, Elizabeth; Izquierdo, Luis; Tassies, Dolors; Ferreira Marques, Alexandre; Lazzari, Elisa de; Aldasoro, Edelweiss; Muñoz, José; Abras Feliu, Alba; Tebar, Silvia; Gállego Culleré, M. (Montserrat); Almeida, Igor Correia de; Reverter, Joan Carles; Gascón i Brustenga, Joaquim
Otros autores:	Universitat de Barcelona
Abstract:	Thromboembolic events were described in patients with Chagas disease without cardiomyopathy. We aim to confirm if there is a hypercoagulable state in these patients and to determine if there is an early normalization of hemostasis factors after antiparasitic treatment. Ninety-nine individuals from Chagas disease-endemic areas were classified in two groups: G1, with T.cruzi infection (n = 56); G2, healthy individuals (n = 43). Twenty-four hemostasis factors were measured at baseline. G1 patients treated with benznidazole were followed for 36 months, recording clinical parameters and performance of conventional serology, chemiluminescent enzyme-linked immunosorbent assay (trypomastigote-derived glycosylphosphatidylinositol-anchored mucins), quantitative polymerase chain reaction, and hemostasis tests every 6-month visits. Prothrombin fragment 1+2 (F1+2) and endogenous thrombin potential (ETP) were abnormally expressed in 77% and 50% of infected patients at baseline but returned to and remained at normal levels shortly after treatment in 76% and 96% of cases, respectively. Plasmin-antiplasmin complexes (PAP) were altered before treatment in 32% of G1 patients but normalized in 94% of cases several months after treatment. None of the patients with normal F1+2 values during follow-up had a positive qRT-PCR result, but 3/24 patients (13%) with normal ETP values did. In a percentage of chronic T. cruzi infected patients treated with benznidazole, altered coagulation markers returned into normal levels. F1+2, ETP and PAP could be useful markers for assessing sustained response to benznidazole.
Materia(s):	-Hemostàsia -Malalties parasitàries -Malaltia de Chagas -Hemostasis -Parasitic diseases -Chagas' disease
Derechos:	cc-by (c) Pinazo, María Jesús et al., 2016 http://creativecommons.org/licenses/by/3.0/es
Tipo de documento:	Artículo Artículo - Versión publicada
Editor:	Public Library of Science (PLoS)
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