Abstract
Objectives to detect eNOS gene polymorphism and its relation to cardiovascular complications in pediatric acute lymphoblastic leukemia (ALL) survivors. Methods CBC, renal and liver function tests, lipid profile, Carotid artery Intima Media Thickness (CIMT) and Brachial artery Intima Media Thickness (BIMT). eNOS gene polymorphism were done in 40 childhood ALL survivors and 40 controls. Results there was no significant difference between survivors and control groups regarding 786T/C polymorphism. There was significant increase in serum Cholesterol, TGs, LDL, VLDL and HbA1c in the TC and CC group more than the TT group while there was significant decrease in serum HDL in the TC and CC group more than the TT group. There was no significant difference as regards echocardiography findings between different polymorphism of 786T/C but there was a significant difference between 786T/C groups as regard to the carotid and brachial arteries intima media thickness (IMT) measurements being significantly higher in the TC and CC group more than the TT group. Conclusion : Carotid and brachial arteries intima media thickness measurements were higher in the survivors when compared to healthy controls. eNOS gene polymorphism may play a role in modifying or developing CVD in pediatric ALL survivors.
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