The role of cardiac troponin T in detection of cardiac damage and long term mortality in children with chronic renal disease.

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Karadaş U, Özdemir Karadaş N, Bak M, Serdaroğlu E, Yılmazer MM, Meşe T. The role of cardiac troponin T in detection of cardiac damage and long term mortality in children with chronic renal disease. Turk J Pediatr 2019; 61: 873-878. In this study, we aimed to evaluate the role of cardiac troponin T (cTnT) in detecting myocardial involvement in children with chronic kidney disease (CKD) and to investigate whether it contributes to predicting cardiac involvement and mortality at follow-up. Echocardiographic evaluations were performed on a sample of 69 patients, of which 33 (47.8%) were female, with grade 3, 4 and 5 chronic renal failure and end-stage renal failure. Patients with normal cTnT levels and patients with high cTnT levels were compared. cTnT levels were observed to be high in 13 (19%) of the 69 patients. The comparison between the patients with normal cTnT levels and patients with high cTnT levels with regards to the echocardiographic findings revealed that in the latter group, the average ejection fraction and fractional shortening levels were lower (p=0.003 and p=0.013, respectively), the detection rate of left ventricular systolic dysfunction was 5.5 times higher and the rate of detection of left ventricular hypertrophy (LVH) was 3 times higher (p=0.004, p=0.011). In this study, it was shown that it is possible to obtain information about cardiac effects by examining the serum cTnT level before clinical symptoms occur in children with CKD, and that cTnT can be used for screening purposes.