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Investigation of Flow-Mediated Vasodilatation (Fmd) and Comparison With Carotid Intima-Media Thickness (Cimt) in Children With Cyanotic Congenital Heart Disease Publisher



Ghaderian M1 ; Ahmadi A1 ; Navabfar N2 ; Sabri MR1 ; Dehghan B1 ; Mahdavi C1
Authors
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Authors Affiliations
  1. 1. Pediatric Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Department of Pediatrics, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran

Source: ARYA Atherosclerosis Published:2024


Abstract

BACKGROUND: There is a high mortality rate in cyanotic patients with congenital heart disease (CHD) due to cardiovascular complications. The cardiovascular prognosis is negatively affected by endothelium dysfunction, increased arterial stiffness, and impaired vascular system. This study aimed to determine carotid intimal mean thickness (CIMT) and flow-mediated dilatation (FMD) in a group of children with cyanotic CHD (CCHD). METHODS: FMD and CIMT were evaluated for 45 children with CHKD and 38 patients who did not have CHKD over the period 2021 to 2022, as part of this case-control study. In terms of age and gender, the case group has been compared to controls. RESULTS: Men accounted for 61.3% of the participants, with a mean standard deviation age of 7.8 5.39 years. In subjects with CCHD, CIMT increased non-significantly and FMD decreased significantly, but systolic blood pressure was significantly higher in patients than in the healthy group. (P=0.003). CONCLUSION: FMD was reduced in children with CCHD, but in controls, systolic blood pressure and CIMT were lower. The risk of developing atherosclerosis in CCHD patients may be increased by an increase in CIMT and systolic blood pressure. © 2024, Isfahan University of Medical Sciences(IUMS). All rights reserved.
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