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- Title
Comparing Effects of Bariatric Surgery on Body Composition Changes in Metabolically Healthy and Metabolically Unhealthy Severely Obese Patients: Tehran Obesity Treatment Study (TOTS).
- Authors
Heidari Almasi, Minoo; Barzin, Maryam; Mahdavi, Maryam; Khalaj, Alireza; Ebrahimi, Danial; Valizadeh, Majid; Hosseinpanah, Farhad
- Abstract
Background: Among two popular obesity phenotypes, metabolically healthy severely obese (MHSO) and metabolically unhealthy severely obese (MUSO), it is important to clarify whether or not those with MHSO phenotype would benefit from bariatric surgery in terms of an improvement in body composition parameters. Methods: A prospective cohort was conducted on a total of 4028 participants (1404 MHSO and 2624 MUSO) who underwent bariatric surgery; MHSO was defined as having abnormalities in none or one of these four parameters: systolic blood pressure and/or diastolic blood pressure, triglycerides, fasting plasma glucose, and high-density lipoprotein. Otherwise, the definition of MUSO was met. Body composition analysis was performed at the baseline and 6-, 12-, 24-, and 36-month post-surgery using bioelectrical impedance analyzer. Results: Both phenotypes showed a significant decrease in fat mass (FM) and fat-free mass (FFM) and a significant increase in EWL% and TWL% (Ptrend < 0.05). FFM, FM%, and excess weight loss (EWL%) were significantly different between the two phenotypes (Pbetween < 0.05) during the follow-up. Multivariate linear regression demonstrated that compared to MUSO patients, MHSO individuals experienced a greater increase in total weight loss (TWL%) and EWL% at 12- and 24-month and in EWL% at 36-month post-surgery and also a lower decrease in the FFML/WL% after 12 months. Conclusion: Despite a lower decrease of FFML/WL% and a greater increase in TWL and EWL in MHSO phenotype at some time points, there were no clinically significant differences between the study groups in terms of body composition changes throughout the follow-up period.
- Subjects
BODY composition; BARIATRIC surgery; WEIGHT loss; DIASTOLIC blood pressure; SYSTOLIC blood pressure; GASTRIC bypass; GASTRIC banding
- Publication
World Journal of Surgery, 2023, Vol 47, Issue 1, p209
- ISSN
0364-2313
- Publication type
Article
- DOI
10.1007/s00268-022-06769-6