The Relationship Between Skeletal Muscle Mass and Operative Duration of Pancreaticoduodenectomy Varies by Sex - Summary - MDSpire

The Relationship Between Skeletal Muscle Mass and Operative Duration of Pancreaticoduodenectomy Varies by Sex

  • By

  • Sophia Xiao

  • Ashley Freeman

  • Emily Kalmanek

  • Kelsey Steckly

  • Mary Belding-Schmitt

  • Carlos H.F. Chan

  • Erin E. Talbert

  • December 29, 2025

  • 0 min

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Objective:

To investigate the relationship between body composition, specifically skeletal muscle mass and adipose tissue, and operative duration in patients undergoing pancreaticoduodenectomy, with a focus on sex differences and their clinical implications.

Key Findings:
  • Higher skeletal muscle mass is associated with shorter operative times in pancreaticoduodenectomy patients, suggesting a potential target for preoperative optimization.
  • Adipose tissue levels may correlate with longer operative durations, particularly in male patients, indicating a need for tailored preoperative assessments.
  • Sex differences exist in how body composition affects operative time, highlighting the importance of considering gender in surgical planning.
Interpretation:

The findings suggest that optimizing body composition, particularly increasing skeletal muscle mass, may improve surgical outcomes and reduce operative times in pancreaticoduodenectomy, emphasizing the need for individualized preoperative strategies.

Limitations:
  • The study is retrospective and may be subject to selection bias, which could influence the validity of the findings.
  • Body composition was assessed at a single anatomical site, which may not represent overall body composition, potentially limiting the applicability of results.
  • The sample size may limit the generalizability of the findings, necessitating further research with larger cohorts.
Conclusion:

Enhancing skeletal muscle mass in patients undergoing pancreaticoduodenectomy could lead to improved surgical efficiency and outcomes, underscoring the importance of individualized preoperative assessments to optimize patient care.

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