AI Article Synopsis
- The study focused on how body composition, specifically lean mass and fat mass, relates to submaximal systolic blood pressure (SSBP) in young adult men with a BMI between 20 and 35 kg/m².
- Participants were divided into quintiles based on their lean mass percentage and fat mass index (FMI), with findings showing that higher lean mass percentages generally correlated with lower SSBP.
- In contrast, while higher BMI quintiles did not show significant differences in SSBP until the highest quintile, there was a clear J-curve relationship for SSBP with body composition metrics and a linear relationship with BMI.
Article Abstract
We examined the association of body composition and body mass index (BMI) with submaximal systolic blood pressure (SSBP) among young adult men. The analysis included 211 men with BMI between 20 and 35 kg/m(2). Total lean mass and fat mass were measured using dual x-ray absorptiometry and lean mass percentage was calculated from the total lean mass. Fat mass index (FMI) and BMI were calculated using height and weight (total fat mass and total weight, respectively) measurements. SSBP was measured at each stage of a graded exercise test. Quintiles of lean mass percentage, FMI, and BMI were created with quintile 1 the lowest and quintile 5 the highest lean mass percentage, FMI, and BMI. Compared with men in lean mass percentage quintile 1, those in quintiles 2, 3, and 4 had significantly lower SSBP, whereas there was no significant difference in SSBP between quintile 1 and 5 at 6, 8, and 10 minutes. Compared with men in FMI quintile 5, those in quintiles 2, 3, and 4 had significantly lower SSBP, whereas there was no significant difference in SSBP between quintile 1 and 5. SSBP among men in lean mass percentage quintile 5 and FMI quintile 1 were still less than lean mass percentage quintile 1 and FMI quintile 5, respectively. There were no significant differences in SSBP across BMI quintiles 1 to 4 but a significantly higher SSBP in quintile 5 compared with quintiles 1 to 4. In conclusion, there was a J-curve pattern between SSBP and components of body composition, whereas, a linear relation between SSBP and BMI.
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| http://dx.doi.org/10.1016/j.amjcard.2015.10.060 | DOI Listing |
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