Childhood growth patterns and cardiovascular autonomic modulation in midlife : Northern Finland 1966 Birth Cohort study
Perkiömäki, Nelli; Auvinen, Juha; Tulppo, Mikko P.; Ollila, Meri-Maija; Junttila, Juhani; Perkiömäki, Juha; Karhunen, Ville; Puukka, Katri; Järvelin, Marjo-Riitta; Huikuri, Heikki V.; Kiviniemi, Antti M. (2019-02-04)
Perkiömäki, N., Auvinen, J., Tulppo, M.P. et al. Childhood growth patterns and cardiovascular autonomic modulation in midlife: Northern Finland 1966 Birth Cohort Study. Int J Obes 43, 2264–2272 (2019). https://doi.org/10.1038/s41366-019-0333-0
© 2019 The authors. This is a post-peer-review, pre-copyedit version of an article published in International Journal of Obesity. The final authenticated version is available online at: https://doi.org/10.1038/s41366-019-0333-0.
https://rightsstatements.org/vocab/InC/1.0/
https://urn.fi/URN:NBN:fi-fe2020070646925
Tiivistelmä
Abstract
Objectives:To test the hypothesis that age and body mass index (BMI) at BMI peak during infancy and at BMI rebound in childhood are related to cardiovascular autonomic modulation in adulthood.
Methods:At the age of 46 years, a sample (n = 5861) of the participants of the Northern Finland Birth Cohort 1966 took part in follow-up examinations. Heart rate variability (HRV), baroreflex sensitivity (BRS) and low-frequency oscillations of systolic blood pressure (LFSBP) were measured during sympathetic stimulus by standing. BMI at various ages was calculated from frequent anthropometric measurements collected from child welfare clinical records. BRS and LFSBP were available for 1243 participants with BMI peak data and 1524 participants with BMI rebound data, and HRV for 2137 participants with BMI peak data and 2688 participants with BMI rebound data.
Results:Age at BMI rebound had a significant inverse association with LFSBP (beta = −0.071, p = 0.006) after all adjustments (p < 0.001) and was also directly associated with BRS (beta = 0.082, p = 0.001) independently of birth and maternal factors (p = 0.023). BMI at BMI peak and at BMI rebound was inversely associated with high-frequency component of HRV (HF) (beta = −0.045, p = 0.036 for BMI at peak; beta = −0.043, p = 0.024 for BMI at rebound) and directly associated with the ratio of low- and high-frequency components of HRV (LF/HF ratio) (beta = 0.084, p = < 0.001 for BMI at peak; beta = 0.069, p < 0.001 for BMI at rebound). These associations remained significant after all adjustments (p < 0.05 for all).
Conclusions:This novel study shows that younger age at BMI rebound and higher BMI at BMI peak and at BMI rebound are associated with higher levels in markers suggestive of augmented sympathetic and reduced vagal cardiovascular modulation in midlife.
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