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Comparative Study
. 2013 Apr 9;61(14):1539-47.
doi: 10.1016/j.jacc.2013.01.019.

Cardiac magnetic resonance imaging in the evaluation of the late effects of anthracyclines among long-term survivors of childhood cancer

Kaisa Ylänen  1 , Tuija Poutanen, Päivi Savikurki-Heikkilä, Irina Rinta-Kiikka, Anneli Eerola, Kim Vettenranta
Affiliations
Free article
Comparative Study

Cardiac magnetic resonance imaging in the evaluation of the late effects of anthracyclines among long-term survivors of childhood cancer

Kaisa Ylänen et al. J Am Coll Cardiol. .
Free article

Abstract

Objectives: This study sought to examine the left ventricular (LV) and right ventricular (RV) function and signs of focal fibrosis among long-term survivors of childhood cancer with the use of cardiac magnetic resonance (CMR) imaging.

Background: Increased myocardial fibrosis has been detected in the endomyocardial biopsies of survivors. CMR has established its role in the assessment of both cardiac function and structure, and focal fibrosis of the myocardium is detectable with late gadolinium enhancement (LGE).

Methods: Sixty-two anthracycline-exposed long-term survivors of childhood cancer were studied at a mean age of 14.6 years. The LV and RV ejection fractions (EFs) and volumes were measured, and LGE was assessed using CMR.

Results: An abnormal LV function (EF <45%) was detected in 18% (11 of 62) of the survivors, and an abnormal RV function was detected in 27% (17 of 62) of the survivors. Subnormal (45% ≤ EF <55%) LV function were demonstrated in 61% (38 of 62) and subnormal RV function in 53% (33 of 62) of the survivors, respectively. Both the LV and RV end-systolic and LV end-diastolic volumes were increased compared with reference values. None of the study patients showed LGE.

Conclusions: A considerable proportion of the long-term survivors of childhood cancer with anthracycline exposure demonstrate signs of cardiac dysfunction detectable by CMR, with the RV also being involved. Yet, myocardial fibrosis does not seem to be detectable at a median of 7.8 years after anthracycline therapy.

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