Cardiovascular risk factors in children on dialysis: an update
Uwe Querfeld1, Franz Schaefer2
1Department of Pediatrics, Division of Gastroenterology, Nephrology and Metabolic Medicine, Charité Universitätsmedizin Berlin, Berlin, Germany. Uwe.querfeld@charite.de.
Insights
Cardiovascular disease (CVD) is a serious complication for children with chronic kidney disease (CKD). Early detection of CVD markers and managing risk factors are crucial for improving outcomes in these young patients.
Area of Science:
- Pediatric Nephrology
- Cardiovascular Research
- Medical Imaging
Background:
- Cardiovascular disease (CVD) is a significant comorbidity in pediatric chronic kidney disease (CKD).
- Early CVD indicators like increased left ventricular mass and carotid intima-media thickness are observed even in young children with CKD.
- Vascular calcifications are hallmarks of advanced CVD, primarily in adolescents and young adults on dialysis.
Purpose of the Study:
- To investigate the progression and risk factors of cardiovascular disease in children with chronic kidney disease.
- To understand the impact of dialysis on the acceleration of CVD in pediatric CKD patients.
- To identify key mechanisms underlying CKD-induced cardiovascular damage.
Main Methods:
- Utilized association studies with surrogate CVD parameters to identify risk factors.
- Analyzed imaging studies to assess early phenotypic characteristics of CVD.
- Examined the time-dependent accumulation of coronary artery calcifications in pediatric CKD patients on dialysis.
Main Results:
- Identified numerous risk factors contributing to CVD in pediatric CKD.
- Demonstrated that dialysis exacerbates pre-existing risks and introduces new dialysis-related factors.
- Observed a time-dependent accumulation of coronary artery calcifications in children and young adults on dialysis.
Conclusions:
- Understanding risk factors improves comprehension of CKD-induced cardiovascular damage.
- Treatment strategies involve risk factor assessment, optimization of modifiable factors, and considering intensified hemodialysis or transplantation.
- Early identification and management of CVD are critical for pediatric CKD patients.
Abstract:
Cardiovascular disease (CVD) is a life-limiting comorbidity in patients with chronic kidney disease (CKD). In childhood, imaging studies have demonstrated early phenotypic characteristics including increases in left ventricular mass, carotid artery intima-media thickness, and pulse wave velocity, which occur even in young children with early stages of CKD. Vascular calcifications are the signature of an advanced phenotype and are mainly found in adolescents and young adults treated with dialysis. Association studies have provided valuable information regarding the significance of a multitude of risk factors in promoting CVD in children with CKD by using intermediate endpoints of measurements of surrogate parameters of CVD. Dialysis aggravates pre-existing risk factors and accelerates the progression of CVD with additional dialysis-related risk factors. Coronary artery calcifications in children and young adults with CKD accumulate in a time-dependent manner on dialysis. Identification of risk factors has led to improved understanding of principal mechanisms of CKD-induced damage to the cardiovascular system. Treatment strategies include assessment and monitoring of individual risk factor load, optimization of treatment of modifiable risk factors, and intensified hemodialysis if early transplantation is not possible.
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