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Impact of liver transplantation on rate-corrected QT interval and myocardial function in children with chronic liver disease. (Arıkan, Çiğdem.)

Bibliographical information (record 264808)

Impact of liver transplantation on rate-corrected QT interval and myocardial function in children with chronic liver disease.
Author:	Arıkan, Çiğdem. Search Author in Amazon Books

Edition:	2009.
Classification:	WS 18.2
URL:	http://library.neu.edu.tr:2048/login?url=http://dx.doi.org/10.1111/j.1399-3046.2008.00909.x

Detailed notes

- Prolonged QTc interval (>440 ms) is a common abnormality in adult patients with CLD and has been reported to predict patient survival. In this study, 88 children who underwent evaluation for LT, including a 12-lead electrocardiogram and echocardiogram included to determine the frequency of QTc prolongation and related factors in children with CLD and the effect of LT on these factors. Sixty-nine healthy, age- and sex-matched children served as controls. QTc interval was prolonged in 40 CLD patients (45.4%). It was found to be related to PELD score and presence of portal hypertension. Mean QTc was higher in patients who died prior to LT than in the survivors without LT. Mortality risk was increased 3.66-fold in patients with prolonged QTc (p = 0.001, 95% CI: 2–7.2). Cox regression analysis showed that only PELD score was an independent predictor of survival (p = 0.001, β = −0.41, 95% CI: 5.58–1.82). Five of 48 transplanted children died within three months post-transplant; QTc was not related to post-transplant survival (p = 0.27). QTc normalized in 63.8% patients after LT. After LT, LAD, LVEF, and LVPWT decreased. In conclusion, QTc prolongation is common in children with CLD and associated with high mortality. It may be useful for assessment of the severity of CLD and for the timing for transplantation. [ABSTRACT FROM AUTHOR]