Acta paediatrica (Oslo, Norway : 1992) · 2015
Preterm birth may be a larger risk factor for increased blood pressure than intrauterine growth restriction.
Сравнительное исследованиеСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Steen Emma, Bonamy Anna-Karin, Norman Mikael, Hellström-Westas Lena
Аннотация
AIM: Very low birthweight (VLBW) and prematurity have been associated with an increased risk of high blood pressure (BP). We compared BP and salivary cortisol responses to a stressful situation between adolescents with a VLBW and controls.
METHODS: We compared three groups aged 12-17 years: 30 born VLBW but appropriate for gestational age (AGA) at a mean of 27 weeks, 19 born VLBW but small for gestational age (SGA) at a mean of 31 weeks and 43 term-born AGA controls. Three consecutive BP measurements were performed before a magnetic resonance imaging (MRI) examination. Salivary cortisol and perceived stress were assessed before and after the MRI.
RESULTS: Systolic and diastolic BP decreased significantly for each repeated measurement in the VLBW-SGA group and controls, but remained unchanged in the VLBW-AGA group. The third systolic BP measurement was 9-12 mmHg higher in the VLBW-AGA group than the other groups (p < 0.05). There were no differences in salivary cortisol between the groups, before and after the MRI or between the sexes.
CONCLUSION: Dynamic BP responses differed between adolescents born VLBW-AGA and the other groups, indicating that extremely preterm birth may be a larger risk factor for increased BP than intrauterine growth restriction.
METHODS: We compared three groups aged 12-17 years: 30 born VLBW but appropriate for gestational age (AGA) at a mean of 27 weeks, 19 born VLBW but small for gestational age (SGA) at a mean of 31 weeks and 43 term-born AGA controls. Three consecutive BP measurements were performed before a magnetic resonance imaging (MRI) examination. Salivary cortisol and perceived stress were assessed before and after the MRI.
RESULTS: Systolic and diastolic BP decreased significantly for each repeated measurement in the VLBW-SGA group and controls, but remained unchanged in the VLBW-AGA group. The third systolic BP measurement was 9-12 mmHg higher in the VLBW-AGA group than the other groups (p < 0.05). There were no differences in salivary cortisol between the groups, before and after the MRI or between the sexes.
CONCLUSION: Dynamic BP responses differed between adolescents born VLBW-AGA and the other groups, indicating that extremely preterm birth may be a larger risk factor for increased BP than intrauterine growth restriction.