Abstract
Background
Sex differences in blood pressure (BP) appear during childhood and adolescence, but the role of central precocious puberty (CPP) remains unclear. In this study, we aimed to examine the association of CPP with the risk of early hypertension and BP trajectories in girls and boys.
Methods
We analyzed trajectories of BP before and after puberty in girls aged 6–13 years (n = 305) and boys aged 10–15 years (n = 153) in the Taiwan Pubertal Longitudinal Study. The timing of puberty onset was defined as the month at which the children reached Tanner stage 2. We examined the association of CPP with the risk of early hypertension and BP trajectories before and after puberty onset.
Results
Among boys, CPP was found to be associated with early hypertension (odds ratio, 7.45 [95% CI, 1.15–48.06]), whereas no such association was observed among girls. Boys with CPP had higher systolic BP than did those with normal puberty onset before puberty onset (mean difference, 6.51 [95% CI, 0.58–12.43]) and after puberty onset (mean difference, 8.92 [95% CI, 8.58–15.26]).
Conclusion
A large proportion of the higher systolic BP observed in boys with CPP compared with in those with normal puberty onset is accrued after puberty.
Impact
-
We examined the sex-specific association of central precocious puberty with blood pressure trajectories to better understand whether central precocious puberty was associated with early hypertension.
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Central precocious puberty was associated with differences in systolic blood pressure trajectories, especially after puberty onset in boys. For boys only, central precocious puberty was associated with early hypertension.
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A large proportion of the higher systolic blood pressure observed in boys with central precocious puberty compared with in those with normal puberty onset was accrued after puberty. Interventions targeting central precocious puberty are likely to influence systolic blood pressure in early adulthood.
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Data availability
Data are managed by the Taiwan Pubertal Longitudinal Study (TPLS). We analyzed the restricted-use TPLS dataset that are only available by application to the TPLS Data Access Center.
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Acknowledgements
The authors thank the Ministry of Science and Technology of Taiwan for supporting the funding of our work and thank the WALLACE for the professional English editing.
Funding
This study was supported by a grant from the Ministry of Science and Technology (MOST 110-2628-B-038-014, MOST 111-2628-B-038-022, NSTC 112-2628-B-038-005).
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The original idea was conceived by H.Y.F., who also conducted all analyses, interpreted the data, and wrote the initial draft of the manuscript. W.L.T. and K.L.C. conducted interpreted the data and wrote the initial draft of the manuscript. S.Y.H. and L.H. conducted a part of analyses and interpreted the data. J.W.H., M.C.T., and C.Y. provided clinical advice on data interpretation and contributed to the revisions of the final manuscript. Y.C.C. ensured the accuracy of the analytical methods, supervised the findings, and contributed to the revisions of the final manuscript. All authors reviewed and approved the final manuscript and agreed to take responsibility for all aspects of the work.
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Fan, HY., Tsai, WL., Chien, KL. et al. Associations of central precocious puberty with blood pressure trajectories: prospective cohort study. Pediatr Res 95, 1147–1152 (2024). https://doi.org/10.1038/s41390-023-02908-4
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DOI: https://doi.org/10.1038/s41390-023-02908-4