European journal of medical research · 2017
High sensitivity troponin T and I reflect mitral annular plane systolic excursion being assessed by cardiac magnetic resonance imaging.
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Natale Michèle, Behnes Michael, Kim Seung-Hyun, Hoffmann Julia, Reckord Nadine, Hoffmann Ursula, Budjan Johannes, Lang Siegfried, Borggrefe Martin, Papavassiliu Theano, Bertsch Thomas, Akin Ibrahim
Аннотация
PURPOSE: This study aims to evaluate the association between high sensitivity troponins (hsTn) and mitral annular plane systolic excursion (MAPSE) in patients undergoing cardiac magnetic resonance imaging (cMRI).
METHODS: Patients undergoing cMRI were prospectively enrolled. Patients with right ventricular dysfunction (< 50%) were excluded. Blood samples for measurements of hsTn and amino-terminal pro-brain natriuretic peptide (NT-proBNP) were collected at the time of cMRI.
RESULTS: 84 patients were included. Median left ventricular ejection fraction was 59% (IQR 51-64%). HsTn were correlated inversely with MAPSE within multivariable linear regression models (hsTnI: Beta - 0.19; T - 1.96; p = 0.05; hsTnT: Beta - 0.26; T - 3.26; p = 0.002). HsTn increased significantly according to decreasing stages of impaired MAPSE (p < 0.003). HsTn discriminated patients with impaired MAPSE < 11 mm (hsTnT: AUC = 0.67; p = 0.008; hsTnI: AUC = 0.64; p = 0.03) and < 8 mm (hsTnT: AUC = 0.79; p = 0.0001; hsTnI: AUC = 0.75; p = 0.001) and were still significantly associated in multivariable logistic regression models with impaired MAPSE < 11 mm (hsTnT: OR = 4.71; p = 0.002; hsTnI: OR = 4.22; p = 0.009).
CONCLUSIONS: This study demonstrates that hsTn are able to reflect MAPSE being assessed by cMRI.
METHODS: Patients undergoing cMRI were prospectively enrolled. Patients with right ventricular dysfunction (< 50%) were excluded. Blood samples for measurements of hsTn and amino-terminal pro-brain natriuretic peptide (NT-proBNP) were collected at the time of cMRI.
RESULTS: 84 patients were included. Median left ventricular ejection fraction was 59% (IQR 51-64%). HsTn were correlated inversely with MAPSE within multivariable linear regression models (hsTnI: Beta - 0.19; T - 1.96; p = 0.05; hsTnT: Beta - 0.26; T - 3.26; p = 0.002). HsTn increased significantly according to decreasing stages of impaired MAPSE (p < 0.003). HsTn discriminated patients with impaired MAPSE < 11 mm (hsTnT: AUC = 0.67; p = 0.008; hsTnI: AUC = 0.64; p = 0.03) and < 8 mm (hsTnT: AUC = 0.79; p = 0.0001; hsTnI: AUC = 0.75; p = 0.001) and were still significantly associated in multivariable logistic regression models with impaired MAPSE < 11 mm (hsTnT: OR = 4.71; p = 0.002; hsTnI: OR = 4.22; p = 0.009).
CONCLUSIONS: This study demonstrates that hsTn are able to reflect MAPSE being assessed by cMRI.