期刊
HIGH BLOOD PRESSURE & CARDIOVASCULAR PREVENTION
卷 24, 期 1, 页码 49-60出版社
ADIS INT LTD
DOI: 10.1007/s40292-017-0179-2
关键词
Arterial stiffness; Carotid artery intima-media thickness; Central aortic blood pressure; Children; Pulse wave velocity; Target organ damage
资金
- Agencia Nacional de Investigacion e Innovacion (ANII)
- Espacio Interdisciplinario (EI) of the Republic University, Uruguay
- Comision Sectorial de Investigacion Cientifica (CSIC-Udelar) of the Republic University, Uruguay
- CUiiDARTE Centre
Introduction In adults, central blood pressure (cBP) is reported to associate target organ damages (TODs) rather than peripheral blood pressure (pBP). However, data regarding the association of pre-clinical TODs with cBP and pBP in pediatric populations are scarce. Aim To evaluate in children and adolescents the importance of cBP and pBP levels, in terms of their association with hemodynamic and vascular changes. Methods 315 subjects [age (mean/range) 12/8-18 years] were included. Measurements: pBP (oscillometry, OmronHEM433INT and Mobil-O-Graph), cBP levels and waveforms (oscillometry, Mobil-O-Graph; applanation tonometry, SphygmoCor), aortic wave reflection-related parameters, carotid intima-media thickness (CIMT) and carotid (elastic modulus, stiffness-index) and aortic stiffness (carotid-femoral pulse wave velocity, PWV). Four groups were defined consideringpBP and cBP percentiles (th): cBPC >= 90th, cBP<90th, pBPC >= 90th, pBP<90th. In each group, haemodynamic and vascular parameters were compared for subgroups defined considering the level of the remaining blood pressure (cBP or pBP). Subgroups were matched for anthropometric and cardiovascular risk factors (propensity matching-score). Results Subjects with high cBP showed a worse cardiovascular risk profile in addition to worse peripheral hemodynamic conditions. The CIMT, carotid and aortic stiffness levels were also higher in those subjects. CIMT and carotid stiffness remained statistically higher when subjects were matched for pBP and other cardiovascular risk factors. There were no differences in arterial properties when subjects were analyzed (compared) considering similar pBP levels, during normal and high cBP conditions. Conclusion Compared with pBP, the cBP levels show a greater association with vascular alterations (high CIMT and arterial stiffness), in children and adolescents.
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