Key result
A high-rapid decline trajectory in body roundness index following bariatric surgery was associated with a 2.84-fold increased odds of abnormal HDL-C at 12 months compared to a low-gradual decline.
Why the study?
To investigate body roundness index trajectory categories 12 months after bariatric surgery and evaluate their relationship with metabolic abnormalities.
Cohort (n=669)
No
Answers are grounded in this paper and cite their sources.
Distinct body roundness index (BRI) trajectories following bariatric surgery are associated with varying levels of metabolic risk, suggesting BRI could be a useful tool for postoperative metabolic monitoring.
OBJECTIVE: To investigate the body roundness index (BRI) trajectory categories 12 months post-bariatric surgery and to explore the association between BRI and metabolic abnormalities. DESIGN AND METHODS: Subject data were pooled from a tertiary hospital at baseline, 3 and 12 months post-surgery. Anthropometric measurements included the BRI and body mass index (BMI). Metabolic biomarkers comprised triglycerides (TG), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), glucose (GLU), and uric acid (UA). The BRI level was categorized using growth mixture model, and a multilevel logistic regression model was employed to explore the relationship between BRI and metabolic risk. RESULTS: A total of 669 patients were included in this study, comprising 286 males (42.8%) and 383 females (57.2%), with an average age of 31.70 ± 9.53 years (range of 18 to 65 years). Patients were classified into three BRI trajectory categories. Compared to the Low-gradual decline group, the High-rapid decline group had an increased risk of abnormal HDL-C (OR = 2.84 [95% CI, 1.73 ~ 4.67]), and had the highest proportion of sleeve gastrectomy plus jejunojejunal bypass (SG + JJB) and single anastomosis duodeno-ileal bypass with sleeve gastrectomy (SADI-S) (P < 0.001); while the High-gradual decline group had increased risk of abnormal TG (OR = 3.28 [95%CI,1.67-6.42]), HDL-C (OR = 4.30 [95%CI, 2.31 ~ 8.00]), LDL-C (OR = 2.10 [95%CI, 1.12 ~ 3.93]), and UA (OR = 2.33 [95%CI, 1.33 ~ 4.10]). After adjusting for demographics, lifestyle factors, and surgical procedures, the distribution of risk outcomes remained primarily consistent. CONCLUSIONS: Sleeve gastrectomy (SG) plus procedures could potentially be associated with improvements in abdominal obesity and metabolic status in patients with high BRI. The post-bariatric trajectories based on BRI may offer insights into the metabolic risk levels of Chinese bariatric patients, but further research is needed to confirm these findings.
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Zhao et al. (2025) conducted a cohort in Severe obesity (post-bariatric surgery) (n=669). High-rapid decline body roundness index trajectory vs. Low-gradual decline body roundness index trajectory was evaluated on Abnormal HDL-C at 12 months (OR 2.84, 95% CI 1.73-4.67, p=<0.001). A high-rapid decline trajectory in body roundness index following bariatric surgery was associated with a 2.84-fold increased odds of abnormal HDL-C at 12 months compared to a low-gradual decline.
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