Cardiorespiratory fitness and inflammatory profile on cardiometabolic risk in adolescents from the LabMed Physical Activity Study

Abstract

Purpose

We investigated the combined effect of cardiorespiratory fitness and the clustered score of inflammatory biomarkers (InflaScore) on the cardiometabolic risk score in adolescents.

Methods

This is a cross-sectional analysis with 529 adolescents (267 girls) aged 12–18 years. The shuttle run test was used to assess cardiorespiratory fitness. Continuous scores of clustered inflammatory biomarkers (high sensitivity C-reactive protein, complement factors C3 and C4, fibrinogen and leptin); cardiometabolic risk score (systolic blood pressure, triglycerides, ratio total cholesterol/HDL, HOMA-IR and waist circumference) were computed.

Results

Adolescents with a higher inflammatory profile had the highest cardiometabolic risk score; adolescents with high InflaScore and low fitness had the highest odds of having a high cardiometabolic risk (OR 16.5; 95% CI 7.8–34.5), followed by adolescents with a higher InflaScore but fit (OR 7.5; 95% CI 3.7–8.4), and then by adolescents with a low InflaScore and unfit (OR 3.7; 95% CI 1.6–8.4) when compared to those with low InflaScore and fit, after adjustments for age, sex, pubertal stage, adherence to a Mediterranean dietary pattern and socioeconomic status.

Conclusions

The findings of our study suggest that the combination of high inflammatory state and low cardiorespiratory fitness is synergistically associated with a significantly higher cardiometabolic risk score and thus supports the relevance of early targeted interventions to promote physical activity and preservation as part of primordial prevention.

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