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Impaired vascular growth in late adolescence after intrauterine growth restriction
Linköping University, Faculty of Health Sciences. Linköping University, Department of Medicine and Care, Clinical Physiology. Östergötlands Läns Landsting, Heart Centre, Department of Thoracic and Vascular Surgery.
2005 (English)In: Circulation, ISSN 0009-7322, Vol. 111, no 20, 2623-2628 p.Article in journal (Refereed) Published
Abstract [en]

Background - Abnormal blood flow in a fetus small for gestational age indicates true fetal intrauterine growth restriction (IUGR). We tested the hypothesis that IUGR with abnormal fetal blood flow is associated with long-term abnormal vascular morphology and function in adolescence. Methods and Results - In a prospective study, vascular mechanical properties of the common carotid artery (CCA), abdominal aorta , and popliteal artery (PA) were assessed by echo-tracking sonography in 21 adolescents with IUGR and abnormal fetal aortic blood flow and in 23 adolescents with normal fetal growth and normal fetal aortic blood flow. Endothelium-dependent and -independent vasodilatation of the brachial artery was measured by high-resolution ultrasound. After adjustment for body surface area and sex, the IUGR group had significantly smaller end-diastolic vessel diameters than the referents in the abdominal aorta and PA (mean difference, 1.7 mm [95% CI, 0.62 to 2.74] and 0.6 mm [95% CI, 0.25 to 1.02], respectively) (P=0.003 and P=0.002, respectively), with a similar trend in the CCA (P=0.09). A higher resting heart rate was observed in the IUGR group (P=0.01). No differences were found in stiffness or in endothelium-dependent and -independent vasodilatation between the 2 groups. Conclusions - IUGR caused by placental insufficiency appears to be associated with impaired vascular growth persisting into young adulthood in both men and women. The smaller aortic dimensions and the higher resting heart rate seen in adolescents with previous IUGR may be of importance for future cardiovascular health. © 2005 American Heart Association, Inc.

Place, publisher, year, edition, pages
2005. Vol. 111, no 20, 2623-2628 p.
Keyword [en]
endothelium, pediatrics, fetal growth retardation, vessels, ultrasonics
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-28954DOI: 10.1161/CIRCULATIONAHA.104.490326Local ID: 14172OAI: diva2:249766
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2011-01-12

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Länne, Toste
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