Prevalence of Pediatric Masked Hypertension and Risk of Subclinical Cardiovascular Outcomes: A Systematic Review and Meta-Analysis

Author:

Chung Jason1ORCID,Robinson Cal2ORCID,Sheffield Lauren3ORCID,Paramanathan Prathayini4ORCID,Yu Andrew5ORCID,Ewusie Joycelyne6ORCID,Sanger Stephanie7ORCID,Mitsnefes Mark8ORCID,Parekh Rulan S.9ORCID,Sinha Manish D.10ORCID,Rodrigues Myanca11ORCID,Thabane Lehana612,Dionne Janis13ORCID,Chanchlani Rahul14ORCID

Affiliation:

1. Temerty Faculty of Medicine, University of Toronto, Ontario, Canada (J.C.).

2. Department of Pediatrics, Division of Nephrology, The Hospital for Sick Children, Toronto, Ontario, Canada (C.R.).

3. Faculty of Sciences, McMaster University, Hamilton, Ontario, Canada (L.S.).

4. All Saints University College of Medicine, Kingstown, Saint Vincent and the Grenadines (P.P.).

5. Faculty of Science, University of Alberta, Edmonton, Canada (A.Y.).

6. Department of Health Research Methods, Evidence, and Impact, Research Institute - St Joseph’s Healthcare Hamilton, McMaster University, Ontario, Canada (J.E., L.T.).

7. Department of Health Sciences: Health Science Library, McMaster University, Hamilton, Ontario, Canada (S.S.).

8. Department of Pediatrics, Division of Nephrology, Cincinnati Children’s Hospital Medical Center, OH (M.M.).

9. Department of Pediatrics and Medicine, Division of Nephrology, The Hospital for Sick Children, University Health Network and University of Toronto, Ontario, Canada (R.S.P.).

10. Department of Paediatric Nephrology, King’s College London, Evelina London Childrens Hospital, United Kingdom (M.D.S.).

11. Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada (M.R.).

12. University of Johannesburg Faculty of Health Sciences, South Africa (L.T.).

13. Department of Pediatrics, Division of Nephrology, University of British Columbia, Vancouver, Canada (J.D.).

14. Department of Pediatrics, Division of Pediatric Nephrology, McMaster Children’s Hospital, McMaster University, Hamilton, Canada (R.C.).

Abstract

Masked hypertension (MH) occurs when office blood pressure is normal, but hypertension is confirmed using out-of-office blood pressure measures. Hypertension is a risk factor for subclinical cardiovascular outcomes, including left ventricular hypertrophy, increased left ventricular mass index, carotid intima media thickness, and pulse wave velocity. However, the risk factors for ambulatory blood pressure monitoring defined MH and its association with subclinical cardiovascular outcomes are unclear. A systematic literature search on 9 databases included English publications from 1974 to 2023. Pediatric MH prevalence was stratified by disease comorbidities and compared with the general pediatric population. We also compared the prevalence of left ventricular hypertrophy, and mean differences in left ventricular mass index, carotid intima media thickness, and pulse wave velocity between MH versus normotensive pediatric patients. Of 2199 screened studies, 136 studies (n=28 612; ages 4–25 years) were included. The prevalence of MH in the general pediatric population was 10.4% (95% CI, 8.00–12.80). Compared with the general pediatric population, the risk ratio (RR) of MH was significantly greater in children with coarctation of the aorta (RR, 1.91), solid-organ or stem-cell transplant (RR, 2.34), chronic kidney disease (RR, 2.44), and sickle cell disease (RR, 1.33). MH patients had increased risk of subclinical cardiovascular outcomes compared with normotensive patients, including higher left ventricular mass index (mean difference, 3.86 g/m 2.7 [95% CI, 2.51–5.22]), left ventricular hypertrophy (odds ratio, 2.44 [95% CI, 1.50–3.96]), and higher pulse wave velocity (mean difference, 0.30 m/s [95% CI, 0.14–0.45]). The prevalence of MH is significantly elevated among children with various comorbidities. Children with MH have evidence of subclinical cardiovascular outcomes, which increases their risk of long-term cardiovascular disease.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Internal Medicine

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