Associations between obesity class and ambulatory blood pressure curves in African American women

IF 4.7 2区 医学 Q1 ENDOCRINOLOGY & METABOLISM
Obesity Pub Date : 2025-02-19 DOI:10.1002/oby.24230
Raphiel J. Murden, Nicole D. Fields, Zachary T. Martin, Benjamin B. Risk, Alvaro Alonso, Amita Manatunga, Christy L. Erving, Reneé Moore, Shivika Udaipuria, Arshed Quyyumi, Viola Vaccarino, Tené T. Lewis
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Abstract

Objective

Studies of body size and blood pressure (BP) in African American women typically focus on obesity overall or collapse obesity classes II and III into a single subgroup, ignoring potential heterogeneity in associations across categories. Moreover, ambulatory BP outcomes are primarily analyzed as mean daytime and/or nighttime BP, without examination of circadian changes during the day-to-night transition or the full 24-h cycle.

Methods

Functional data analysis methods were used to examine whether obesity categories modified ambulatory monitoring-assessed BP circadian rhythm in a cohort of 407 African American women.

Results

Age-adjusted systolic BP (SBP) was 4 mm Hg (95% CI: 0.4–8.4) higher among women with class I or II obesity than those with normal weight or overweight from 12:30 p.m. through 8:00 a.m. Age-adjusted differences in SBP among women with class III obesity versus those with normal weight or overweight were 6 mm Hg (95% CI: 0.7–10.8) during daytime hours and increased to 11 mm Hg (95% CI: 5.8–16.0) overnight. Compared with all other BMI categories, SBP of women with class III obesity declined more slowly from day to night.

Conclusions

Circadian BP among African American women was distinct among those with class III obesity compared with those with other body weight categories, suggesting that intervention efforts in African American women should target this group.

Abstract Image

非裔美国妇女肥胖等级与动态血压曲线之间的关系。
目的:对非裔美国女性的体型和血压(BP)的研究通常侧重于整体肥胖或将II类和III类肥胖纳入单个亚组,忽略了不同类别之间关联的潜在异质性。此外,动态血压结果主要是分析平均白天和/或夜间血压,没有检查昼夜节律变化在日夜过渡或整个24小时周期。方法:采用功能数据分析方法检查407名非裔美国妇女的肥胖类别是否改变了动态监测评估的血压昼夜节律。结果:从中午12:30开始,I级或II级肥胖女性的年龄调整收缩压(SBP)比正常体重或超重女性高4毫米汞柱(95% CI: 0.4-8.4)。到早上8点。III级肥胖妇女与正常体重或超重妇女的收缩压年龄调整差异在白天为6毫米汞柱(95% CI: 0.7-10.8),夜间增加到11毫米汞柱(95% CI: 5.8-16.0)。与所有其他BMI类别相比,III级肥胖女性的收缩压从白天到晚上下降得更慢。结论:与其他体重类别的女性相比,非裔美国女性III级肥胖患者的昼夜血压明显不同,这表明对非裔美国女性的干预措施应该针对这一群体。
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来源期刊
Obesity
Obesity 医学-内分泌学与代谢
CiteScore
11.70
自引率
1.40%
发文量
261
审稿时长
2-4 weeks
期刊介绍: Obesity is the official journal of The Obesity Society and is the premier source of information for increasing knowledge, fostering translational research from basic to population science, and promoting better treatment for people with obesity. Obesity publishes important peer-reviewed research and cutting-edge reviews, commentaries, and public health and medical developments.
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