Children living with chronic health conditions face a higher risk of developing cardiovascular diseases than their peers, largely due to the accelerated aging of the heart and blood vessels. Although experts recognize this elevated risk and recommend close monitoring and early intervention, the underlying mechanisms driving this phenomenon remain poorly understood. At present, no effective interventions specifically target its root causes. Recent research shows that both large blood vessels (such as the carotid artery) and small vessels (such as those in the retina) can display early signs of damage decades before clinically apparent heart or vascular disease emerges. This accelerated vascular aging can result from multiple factors - including disease-related processes such as persistent inflammation and metabolic disturbances, treatment-related effects such as chemotherapy or long-term steroid use, and lifestyle changes associated with chronic illness, such as reduced physical activity and altered eating habits. However, it is still unclear how these factors influence the development and progression of vascular changes in children as they grow. Importantly, these changes can be monitored through non-invasive methods, offering a unique opportunity to study at-risk patients many years before overt cardiovascular disease develops. Identifying these early changes may enable us to detect and track individuals at heightened risk well in advance of clinical disease. This study aims to deepen our understanding of the causes of increased cardiovascular risk in children with chronic conditions and to lay the groundwork for earlier, more targeted prevention strategies.
Study Type
OBSERVATIONAL
Enrollment
300
Semmelweis University, Department of Surgery, Transplantation and Gastroenterology
Budapest, Hungary
NOT_YET_RECRUITINGSemmelweis University, Pediatric Center
Budapest, Hungary
RECRUITINGSemmelweis University, Institute of Preventive Medicine and Public Health
Budapest, Hungary
ACTIVE_NOT_RECRUITINGArterial stiffness
Assessed by carotid-femoral pulse wave velocity
Time frame: At baseline and at the time of annual follow-up
Endothelial function of the brachial artery
Evaluated using flow-mediated dilation measured by ultrasound
Time frame: At baseline and at the time of annual follow-up
Retinal vessel diameter
Assessed by static retinal vessel analysis
Time frame: At baseline and at the time of annual follow-up
Retinal vessel fractal dimension and tortuosity
Assessed by static retinal vessel analysis
Time frame: At baseline and at the time of annual follow-up
Endothelial function in capillaries
Assessed by flow-mediated dilation using laser speckle contrast imaging
Time frame: At baseline and at the time of annual follow-up
Retinal neurovascular coupling
Assessed by dynamic retinal vessel analysis
Time frame: At baseline and at the time of annual follow-up
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