Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2012 Feb;22(2):195-200.
doi: 10.1007/s11695-011-0500-4.

Bariatric surgery: impact on body composition after Roux-en-Y gastric bypass

Luana Azevedo de Aquino  1 , Silvia Elaine Pereira, Jacqueline de Souza Silva, Carlos José Saboya Sobrinho, Andréa Ramalho
Affiliations

Bariatric surgery: impact on body composition after Roux-en-Y gastric bypass

Luana Azevedo de Aquino et al. Obes Surg. 2012 Feb.

Abstract

Background: The aim of this study was to analyze the impact of bariatric surgery on the body composition of patients suffering from class III obesity at different postoperative time intervals.

Methods: The body composition of 114 patients undergoing Roux-en-Y gastric bypass surgery was measured prior to surgery (T0) and then 30 (T30) and 180 (T180) days following surgery. Body composition was evaluated using the following parameters: total body mass, body mass index, excess weight, percentage of excess weight loss, relative body fat (%F), lean body mass (LBM), and fat tissue mass (FTM). To determine these variables, validated formulas and equations proper to obese men and women were employed.

Results: A significant reduction in %F (41.5%), LBM (20.3%), FTM (37.9%) was noted at each time interval (p ≤ 0.01).

Conclusions: Bariatric surgery proved to be effective in reducing total body mass and body fat at every time interval. However, dietary measures emphasizing adequate protein intake may be implemented in order to reduce loss of LBM and, coupled with frequent physical activity, may help curtail the impact the surgery has on morphological variables.

PubMed Disclaimer

References

    1. N Engl J Med. 1988 Feb 25;318(8):467-72 - PubMed
    1. Obes Surg. 2000 Dec;10(6):549-52 - PubMed
    1. J Surg Res. 1981 May;30(5):435-42 - PubMed
    1. J Clin Epidemiol. 2006 Oct;59(10):1064-71 - PubMed
    1. Hum Biol. 1987 Jun;59(3):523-55 - PubMed

Publication types