QT/corrected QT (QTc) intervals and QT/QTc dispersions in children with chronic renal failure

Koçak, Gülendam; Atalay, Semra; Bakkaloğlu, Sevcan A.; Ekı̇m, Mesı̇ha; Tutar, H. Ercan; İmamoğlu, Ayten

doi:10.1016/s0167-5273(99)00051-0

Cited by 17 publications

(15 citation statements)

References 22 publications

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“…Kocak et al . reported that children with chronic renal failure had greater QT interval and QT dispersion values compared normal subjects, 25 which is consistent with our results. This is an important finding for cardiovascular outcome of children with chronic renal failure.…”

Section: Discussionsupporting

confidence: 93%

Impact of haemodialysis on QTc dispersion in children

et al. 2005

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Section: Discussionsupporting

confidence: 93%

Impact of haemodialysis on QTc dispersion in children

et al. 2005

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“…Recent reports have demonstrated that QT dispersion is prolonged in adult and pediatric HD patients, particularly in the period immediately after the end of HD [5,8,28,29]. These results suggest that patients on HD may be at higher risk for ventricular arrhythmias, especially in the period immediately after dialysis [25].…”

Section: Discussionmentioning

confidence: 95%

Cardiac rhythm disturbances in children on hemodialysis

Valsangiacomo

Neuhaus

Goetschel

et al. 2002

Pediatric Nephrology

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Cardiovascular complications are the leading causes of morbidity and mortality in adult dialysis patients. The aim of this study was to evaluate the cardiovascular system of children on hemodialysis (HD), with special focus on rhythm disturbances. Nine patients, aged 15.6+/-4.1 years, underwent electrocardiographic examination (ECG) including 12-lead ECG, Holter-ECG, QT dispersion, signal-averaged ECG, and exercise testing. Echocardiography and 24-h blood pressure measurement were also performed. Patients had been on HD for a median period of 7 months (range 1-29 months). Normal findings were obtained with 12-lead ECG, exercise testing, QT dispersion, and signal-averaged ECG. Holter-ECG showed short runs of slow monomorphic ventricular tachycardia in two patients. Echocardiography was normal except for ventricular hypertrophy in two patients. In conclusion, rhythm disturbances were rare, with slow monomorphic ventricular tachycardias being the only significant finding. The absence of late potentials and normal QT dispersion suggest that myocardial electrical excitability and recovery are preserved in children on HD.

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“…Acquired QT prolongation and increased dispersion have been associated also with an increase in sudden cardiac death (6). QT dispersion has been reported in a number of settings such as congestive heart failure (7), dilated and hypertrophic cardiomyopathy (8), chronic renal failure (9), and under the influence of direct cardiotoxic agents such as carbon monoxide (10).…”

Section: Introductionmentioning

confidence: 99%