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. 2021 Sep:236:86-94.e6.
doi: 10.1016/j.jpeds.2021.05.027. Epub 2021 May 18.

Trajectories of Systolic Blood Pressure in Children: Risk Factors and Cardiometabolic Correlates

Wen Lun Yuan  1 , Michael S Kramer  2 , Navin Michael  3 , Suresh A Sadananthan  3 , Mya T Tint  4 , Ling-Wei Chen  5 , Wei Wei Pang  6 , Sendhil S Velan  7 , Keith M Godfrey  8 , Yap-Seng Chong  4 , Mary F F Chong  9 , Jonathan T L Choo  10 , Lieng Hsi Ling  11 , Johan G Eriksson  12 , Yung Seng Lee  13
Affiliations

Trajectories of Systolic Blood Pressure in Children: Risk Factors and Cardiometabolic Correlates

Wen Lun Yuan et al. J Pediatr. 2021 Sep.

Abstract

Objective: To identify systolic blood pressure (SBP) percentile trajectories in children and to describe the early-life risk factors and cardiometabolic correlates of those trajectories.

Study design: Using age-, sex-, and height-specific SBP percentiles based on the American Academy of Pediatrics reference, we examined SBP trajectories using latent class mixed models from ages 3 to 8 years (n = 844) from the Growing Up in Singapore Towards healthy Outcomes-study, a Singaporean mother-offspring cohort study. We analyzed associations between SBP trajectories and early-life risk factors using multinomial logistic regression and differences across trajectories in cardiometabolic outcomes using multiple linear regression.

Results: Children were classified into 1 of 4 SBP percentile trajectories: "low increasing" (15%), "high stable" (47%), "high decreasing" (20%), and "low stable" (18%). Maternal hypertension during early pregnancy was a predictor of the "high stable" and "low increasing" SBP trajectories. Rapid child weight gain in the first 2 years of life was only associated with the "high stable" trajectory. Compared with children in the "low stable" trajectory, children in the "high stable" SBP trajectory had greater body mass index z scores, sum of skinfold thicknesses, waist circumference from ages 3 to 8 years, and abdominal adipose tissue (milliliters) at 4.5 years (adjusted mean difference [95% CI]: superficial and deep subcutaneous abdominal adipose tissue: 115.2 [48.1-182.3] and 85.5 [35.2-135.8]). Their fat mass (kilograms) (1.3 [0.6-2.0]), triglyceride levels (mmol/L) (0.10 [0.02-0.18]), and homeostasis model assessment of insulin resistance (0.28 [0.11 0.46]) at age 6 years were also greater but not their arterial thickness and stiffness.

Conclusions: Reducing maternal blood pressure during pregnancy and infant weight gain in the first 2 years of life might help to prevent the development of high SBP.

Keywords: GUSTO; adiposity; latent class mixed model; maternal hypertension; rapid weight gain.

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Conflict of interest statement

Conflict of Interest Disclosures:

KMG has received reimbursement for speaking at conferences sponsored by companies selling nutritional products, and is part of an academic consortium that has received research funding from Abbott Nutrition, Nestec and Danone. The other authors declare no conflict of interest relevant to this article to disclose. The funder/sponsor did not participate in the work.

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