Impaired endothelial function in female adolescents with type 1 diabetes measured by peripheral artery tonometry

Aagje Pareyn, Karel Allegaert, Willeke Asscherickx, Eva Peirsman, Peter Verhamme, Kristina Casteels*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

20 Citations (Scopus)

Abstract

Background: 

The reactive hyperemia peripheral artery tonometry (RH-PAT) is a newly developed method for non-invasive endothelial function assessment. 

Objective: 

The goal of this study is to determine whether a significant difference in RH-PAT score is present between adolescents with type 1 diabetes (T1D) in comparison with controls. 

Subjects and methods: 

Thirty-four adolescents with T1D and 25 control subjects (age 12-20 years) underwent RH-PAT endothelial function testing after an overnight fast. Height, weight, body mass index (BMI), blood pressure (BP), fasting lipid profile, Tanner stage, and glucose level were determined in each child. 

Results: 

Adolescents with T1D had significantly lower RH-PAT scores compared to healthy controls, and this difference remained significant when overweight cases were not considered (p < 0.05). This difference was also observed in the female subgroup (p = 0.005). The interindividual variability in RH-PAT observations in T1D cases was not explained by BMI standard deviation score (SDS), BP SDS, age, duration of T1D, hemoglobin A1c, triglycerides, and pubertal stage, respectively. 

Conclusions: 

The RH-PAT technique is used as a non-invasive test to assess for early vascular changes in high-risk patient groups. Endothelial dysfunction, measured by RH-PAT, was present in diabetic adolescent, especially in the female subgroup. Although additional longitudinal studies are required, early detection of this reversible process may have therapeutic and prognostic implications.

Original languageEnglish
Pages (from-to)1017-1022
Number of pages6
JournalEuropean Journal of Pediatrics
Volume172
Issue number8
DOIs
Publication statusPublished - Aug 2013
Externally publishedYes

Bibliographical note

Funding Information:
Acknowledgments Karel Allegaert is supported by the Fund for Scientific Research, Flanders (Belgium) (F.W.O. Vlaanderen) by a Fundamental Clinical Investigatorship (1800209 N).

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