4.6 Article

Children with inflammatory bowel disease already have an altered arterial pulse wave

Journal

EUROPEAN JOURNAL OF PEDIATRICS
Volume -, Issue -, Pages -

Publisher

SPRINGER
DOI: 10.1007/s00431-023-04858-9

Keywords

Inflammatory bowel disease; Augmentation index; Arterial stiffness; Carotid intima-media thickness; Arteries; Children

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This study aimed to evaluate arterial parameters in pediatric IBD patients. The results showed that children with IBD have increased heart rate, altered pulse waveform, but normal arterial stiffness and carotid intima-media thickness.
Adults with inflammatory bowel disease (IBD) have an increased risk for vascular events. This study aims to evaluate arterial parameters in paediatric IBD. Carotid intima-media thickness (CIMT) was measured by ultrasound, and Arteriograph was used to assess aortic pulse wave velocity (PWVao), brachial and aortic augmentation indexes (AixBrach, AixAo), central systolic blood pressure (SBPao), and heart rate (HR). A total of 161 children were included; 55 (34%) children with newly diagnosed IBD (median age 14.35 (11.88-16.31) years, 53% males), 53(33%) in remission (median age 15.62 (13.46-16.70) years, 66% males), and 53 (33%) controls (median age 14.09 (11.18-14.09) years, 55% males) were recruited into a case-control study. Compared to controls, patients with active disease and those in clinical remission had significantly lower AixBrach and AixAo (P < 0.001, P = 0.009; P < 0.001, P = 0.003). PWVao and CIMT were still normal. HR was higher in both IBD groups than in controls (P < 0.001; P = 0.006). HR positively correlated with disease duration (P = 0.001). In the ordinary least squares regression models, anti-tumour necrosis factor (TNF) alpha treatment predicted lower peripheral and central systolic blood pressures, in contrast to aminosalicylates and methotrexate. Aminosalicylate treatment predicted increased HR.Conclusion: Children with IBD have an increased heart rate, a lower augmentation index and, therefore, an altered pulse waveform. In paediatric IBD, arterial stiffness and CIMT are still normal, indicating the potential for adequate IBD treatment to preserve arterial health.

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