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The Turkish Journal of Pediatrics
The Turkish Journal of Pediatrics 2019 , Vol 61 , Num 4
Factors affecting mortality in children with dilated cardiomyopathy
Muhammed Nurullah Sabaz 1 ,Alper Akın 2 ,Meki Bilici 2 ,Fikri Demir 2 ,Mehmet Türe 2 ,Hasan Balık 2
1 Department of Pediatrics, Dicle University Faculty of Medicine, Diyarbakır, Turkey
2 Division of Pediatric Cardiology, Dicle University Faculty of Medicine, Diyarbakır, Turkey
DOI : 10.24953/turkjped.2019.04.003 Sabaz MN, Akın A, Bilici M, Demir F, Türe M, Balık H. Factors affecting mortality in children with dilated cardiomyopathy. Turk J Pediatr 2019; 61: 485-492.

Dilated cardiomyopathy (DCMP) is a heart disease with high mortality rates that is often seen in children. Genetic and infectious reasons are primary in the etiology. The aim of this study was to investigate the etiology of DCMP and the parameters predicting mortality. A retrospective examination was made of 37 patients diagnosed with DCMP between January 2012 and October 2016. Data were recorded from the patient files of age, gender, complaints on presentation, findings of the physical examination, laboratory test results, echocardiography and electrocardiography findings at the time of diagnosis. These parameters were then compared between the surviving and nonsurviving patients.

The patients comprised 21 males with a mean age of 27.50±50 months. Diagnosis was made at the age of <12 months in 67.6% patients. Within mean 8 months of diagnosis, 16.2% of the patients were lost to mortality and 83.8% of the patients survived. In 83.3% of the non-surviving patients and in 29% of the surviving patients, sinus tachycardia was present at the time of diagnosis (p=0.023). Corrected QT (QTc) at the time of diagnosis was longer in the non-surviving patients (p=0.007). On ECG, the rate of ST-T wave change was higher in the non-surviving patients (80% vs. 17.8%, p=0.012).

In conclusion, a significant proportion of the patients were diagnosed below the age of one year. In the non-surviving patients, as sinus tachycardia and ischaemic changes on ECG were seen more often and the QTc was longer, these findings could be considered to be predictors of mortality. Keywords : dilated cardiomyopathy, child, myocarditis

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