Longitudinal analysis of body compositions following Roux-en-Y gastric bypass - Summary - MDSpire

Longitudinal analysis of body compositions following Roux-en-Y gastric bypass

  • By

  • Zubaidah Nor Hanipah

  • Gabriela de O. Lemos

  • Sophia Ramirez

  • Venkata Satya Naga Arun Kousik Dhulipala

  • Karteek Popuri

  • Mirza Faisal Beg

  • Shengping Yang

  • Philip R. Schauer

  • Vance L. Albaugh

  • Steven B. Heymsfield

  • February 21, 2026

  • 0 min

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Objective:

To evaluate short-term changes in body composition following Roux-en-Y gastric bypass (RYGB) using the Data Analysis Facilitation Suite (DAFS).

Key Findings:
  • Over 80% of weight loss post-MBS is attributed to fat loss, highlighting the importance of body composition assessment.
  • DAFS provides accurate segmentation and quantification of body composition, overcoming limitations of traditional methods like BIA and DXA.
  • The study included eight participants who completed imaging at baseline, 3 months, and 6 months postoperatively.
Interpretation:

Accurate tracking of body composition changes post-MBS is crucial for improving patient outcomes and understanding metabolic improvements.

Limitations:
  • Small sample size with only eight participants completing the study, which may limit the generalizability of the findings.
  • Exclusion of individuals with certain health conditions may limit generalizability.
Conclusion:

DAFS is a promising tool for detailed body composition analysis post-RYGB, which can enhance understanding of metabolic changes and improve patient care.

Original Source(s)

Longitudinal analysis of body compositions following Roux-en-Y gastric bypass

  • by Zubaidah Nor Hanipah, Gabriela de O. Lemos, Sophia Ramirez, Venkata Satya Naga Arun Kousik Dhulipala, Karteek Popuri, Mirza Faisal Beg, Shengping Yang, Philip R. Schauer, Vance L. Albaugh, Steven B. Heymsfield

  • February 21, 2026

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