Risk factors for development of obesity in an ethnically diverse CHD population

Scott J. Weinreb, Abigail J. Pianelli, Sreyans R. Tanga, Ira A. Parness, Rajesh U. Shenoy

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Objectives Previous cross-sectional studies have demonstrated obesity rates in children with CHD and the general paediatric population. We reviewed longitudinal data to identify factors predisposing to the development of obesity in children, hypothesising that age may be an important risk factor for body mass index growth. Study design: Retrospective electronic health records were reviewed in all 5-20-year-old CHD patients seen between 2011 and 2015, and in age-, sex-, and race/ethnicity-matched controls. Subjects were stratified into aged cohorts of 5-10, 11-15, and 15-20. Annualised change in body mass index percentile (BMI%) over this period was compared using paired Student's t-test. Linear regression analysis was performed with the CHD population. Results: A total of 223 CHD and 223 matched controls met the inclusion criteria for analysis. Prevalence of combined overweight/obesity did not differ significantly between the CHD cohort (24.6-25.8%) and matched controls (23.3-29.1%). Univariate analysis demonstrated a significant difference of BMI% change in the age cohort of 5-10 (CHD +4.1%/year, control +1.7%/year, p=0.04), in male sex (CHD +1.8%/year, control -0.3%/year, p=0.01), and status-post surgery (CHD 2.03%/year versus control 0.37%, p=0.02). Linear regression analysis within the CHD subgroup demonstrated that age 5-10 years (+4.80%/year, p<0.001) and status-post surgery (+3.11%/year, p=0.013) were associated with increased BMI% growth. Conclusions: Prevalence rates of overweight/obesity did not differ between children with CHD and general paediatric population over a 5-year period. Longitudinal data suggest that CHD patients in the age cohort 5-10 and status-post surgery may be at increased risk of BMI% growth relative to peers with structurally normal hearts.

Original languageEnglish
Pages (from-to)123-127
Number of pages5
JournalCardiology in the Young
Volume29
Issue number2
DOIs
StatePublished - 1 Feb 2019

Keywords

  • CHD
  • Obesity
  • cardiac surgery

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