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Collagen turnover biomarkers and systemic right ventricle remodeling in adults with previous atrial switch procedure for transposition of the great arteries

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  • Magdalena Lipczyńska
  • Piotr Szymański
  • Magdalena Kumor
  • Anna Klisiewicz
  • Piotr Hoffman

Abstract

Background: Myocardial fibrosis is a potential pathophysiological mechanism leading to systemic right ventricular (SRV) deterioration. We hypothesize that circulating levels of collagen deposition markers are elevated in patients with SRV remodeling and this elevation may have a predictive value. Methods: We prospectively evaluated 56 patients with D-TGA after the atrial switch procedure (mean age 25.6 ± 4.8, range 18–37 years; 67% males). Serum levels of procollagen type III amino-terminal propeptide (PIIINP), collagen type I carboxy-terminal telopeptide (CITP), procollagen type I N-terminal propeptide (PINP), matrix metalloproteinase (MMP 1, MMP 9) and a tissue inhibitor of matrix metalloproteinase (TIMP 1) and N-terminal pro-brain natriuretic peptide (NT-pro-BNP) were measured and compared with healthy controls. The relationship between these serum markers, echocardiographic and cardiac magnetic resonance parameters and the outcome at a follow-up of 61 months (range, 24–85 months) was determined. Results: Compared with the healthy control group, the study group had significantly higher levels of TIMP1, PIIINP, CITP, PINP and NT-pro-BNP (p

Suggested Citation

  • Magdalena Lipczyńska & Piotr Szymański & Magdalena Kumor & Anna Klisiewicz & Piotr Hoffman, 2017. "Collagen turnover biomarkers and systemic right ventricle remodeling in adults with previous atrial switch procedure for transposition of the great arteries," PLOS ONE, Public Library of Science, vol. 12(8), pages 1-13, August.
    • Handle: RePEc:plo:pone00:0180629
    DOI: 10.1371/journal.pone.0180629
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