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Background <p>In metabolic bariatric surgery (MBS) a lot of focus is made on preoperative risk assessment to enhance patient’s baseline performance and improve postoperative clinical outcomes. The aim of this study is to assess pre-operative sarcopenia by computed tomography (CT) scan, as a predictive tool for early post-operative complications in candidates for MBS.</p> Methods <p>This is a single center prospective case-control study. The study includes using non-contrast CT cuts at L3 vertebra level to measure total abdominal muscle area (TAMA) and visceral fat area (VFA). TAMA was indexed to the patient height and VFA/TAMAI ratio was estimated. Models for predicting postoperative complications were made for TAMA alone, TAMAI alone, VFA alone and VFA/TAMAI ratio to assess each factor’s reliability in predicting postoperative complications.</p> Results <p>The study enrolled 30 patients who underwent laparoscopic sleeve gastrectomy (LSG); 14 experience early post-operative complications in the cases arm, matched against 16 in the control arm. TAMA and TAMAI showed a significant association with early post-operative complications.</p> Conclusion <p>Our findings suggest that TAMA and TAMAI, measured by non-contrast CT as markers for sarcopenia, may be associated with early post-operative complications for laparoscopic sleeve gastrectomy (LSG) patients.</p>

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CT assessment of total abdominal muscle area index (TAMAI) as a predictive tool for early post operative complications in laparoscopic sleeve gastrectomy: a prospective case-control study

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月5日

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  • Islam Haney Shawali,
  • Yara ELhefnawi,
  • Mohammed ElShwadfy Nageeb,
  • Bahaa Eldin Mahmoud

摘要

Background

In metabolic bariatric surgery (MBS) a lot of focus is made on preoperative risk assessment to enhance patient’s baseline performance and improve postoperative clinical outcomes. The aim of this study is to assess pre-operative sarcopenia by computed tomography (CT) scan, as a predictive tool for early post-operative complications in candidates for MBS.

Methods

This is a single center prospective case-control study. The study includes using non-contrast CT cuts at L3 vertebra level to measure total abdominal muscle area (TAMA) and visceral fat area (VFA). TAMA was indexed to the patient height and VFA/TAMAI ratio was estimated. Models for predicting postoperative complications were made for TAMA alone, TAMAI alone, VFA alone and VFA/TAMAI ratio to assess each factor’s reliability in predicting postoperative complications.

Results

The study enrolled 30 patients who underwent laparoscopic sleeve gastrectomy (LSG); 14 experience early post-operative complications in the cases arm, matched against 16 in the control arm. TAMA and TAMAI showed a significant association with early post-operative complications.

Conclusion

Our findings suggest that TAMA and TAMAI, measured by non-contrast CT as markers for sarcopenia, may be associated with early post-operative complications for laparoscopic sleeve gastrectomy (LSG) patients.