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Value of cardiac biomarker measurement in the differential diagnosis of infiltrative cardiomyopathy patients with preserved left ventricular systolic function

  
@article{JTD23182,
	author = {Kai Hu and Dan Liu and Tim Salinger and Daniel Oder and Stefan Knop and Georg Ertl and Frank Weidemann and Stefan Frantz and Stefan Störk and Peter Nordbeck},
	title = {Value of cardiac biomarker measurement in the differential diagnosis of infiltrative cardiomyopathy patients with preserved left ventricular systolic function},
	journal = {Journal of Thoracic Disease},
	volume = {10},
	number = {8},
	year = {2018},
	keywords = {},
	abstract = {Background: This study aimed to explore the value of cardiac biomarker [serum high sensitive troponin T (hs-TNT) and N-terminal pro-brain natriuretic peptide (NT-proBNP)] measurement in the differential diagnosis of infiltrative cardiomyopathy patients [Friedreich’s ataxia (FA), Fabry disease (FD) and light-chain (AL) cardiac amyloidosis (CA)] with preserved left ventricular (LV) systolic function. 
Methods: Between 2012 and 2014, all consecutive patients presenting at our center with infiltrative cardiomyopathy and concomitant symmetrical LV hypertrophy as well as preserved LV systolic function were included in this study. Serum hs-TNT and NT-proBNP, morphologic and functional features derived from echocardiography and cardiac magnetic resonance imaging (cMRI) examinations were compared among these patients. 
Results: A total of 57 patients (FA 20, FD 23 and CA 14) were included. Hs-TNT and NT-proBNP levels were significantly higher in the CA group [median: hs-TNT 98 pg/mL, NT-proBNP 4,110 pg/mL] than in the FA group [hs-TNT 14 pg/mL, NT-proBNP 40 pg/mL] and FD group [hs-TNT 18 pg/mL, NT-proBNP 131 pg/mL, both P60 pg/mL (sensitivity 0.79, specificity 0.93) and NT-proBNP >1,000 pg/mL (sensitivity 0.91, specificity 0.93) excellently differentiated CA from FA and FD. 
Conclusions: Increased hs-TNT and NT-proBNP levels are suggestive of CA diagnosis among patients with infiltrative cardiomyopathy and preserved LV ejection fraction.},
	issn = {2077-6624},	url = {https://jtd.amegroups.org/article/view/23182}
}