Cell-free DNA levels in acute myocardial infarction patients during hospitalization

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Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών   

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Πέργαμος   

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Cell-free DNA levels in acute myocardial infarction patients during hospitalization

Destouni, A. Vrettou, C. Antonatos, D. Chouliaras, G. Traeger-Synodinos, J. Patsilinakos, S. Kitsiou-Tzeli, S. Tsigas, D. Kanavakis, E.

scientific_publication_article
Επιστημονική δημοσίευση - Άρθρο Περιοδικού (EL)
Scientific publication - Journal Article (EN)

2009


Objectives: The objectives of this study were to investigate cell-free DNA daily concentration changes following an acute myocardial infarction (AMI) and to assess any correlations with complications during hospitalization. Methods and results: Serial cell-free DNA level determinations were performed by quantitative Real-Time PCR in 47 AMI patients once daily during hospitalization (235 samples) and once in 100 healthy subjects. Cell-free DNA concentrations are significantly higher in patients throughout hospitalization compared to healthy subject levels (2.644 (SE 0.0952) vs. 1.519 (SE 0.0566), P<0.001). The median maximum cell-free DNA concentration was 3.5-fold higher (Mann Whitney P=0.0035) in 20/47 patients with complicated post AMI course - group I - (1719.7, range 117.32-4996212.1 GenEq/ml plasma) compared with 27/47 patients without complications - group II - (492.9, range 56.434715.15 GenEq/ml plasma). Substantial differences exist between cell-free DNA concentrations measured on tpre (the day before the complication) and tc: (the day the complication occurred) as well as tpost (the day after the complication) in group I whereby cell-free DNA rises significantly in tc and remains elevated in tpost (tpre, vs. tc, 2.445 vs. 2.965, P=0.0171 and tpre vs. tpost 2.445 vs. 2.913, P=0.023). Conclusions: Cell-free DNA concentrations were elevated in AMI patients compared to healthy control subjects, rise significantly when complications occur and have a potential clinical value in monitoring patient progress during hospitalization. (EN)

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