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KMID : 1141920230390060513
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Annals of Coloproctology
2023 Volume.39 No. 6 p.513 ~ p.520
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Computed tomography?assessed presarcopenia and clinical outcomes after laparoscopic surgery for rectal cancer
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Song Ji-Hyeong
Oh Rak-Kyun
Lee Jeong-Eun
Lee Kyung-Ha
Kim Ji-Yeon
Kim Jin-Soo
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Abstract
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Purpose: Previous studies have reported that presarcopenia negatively affects rectal cancer treatment. However, most studies have analyzed patients including majority of open surgery, and the association between presarcopenia and clinical outcomes after laparoscopic rectal cancer surgery remains unclear. This study aimed to evaluate the impact of presarcopenia on the clinical and oncological outcomes after laparoscopic rectal cancer surgery.
Methods: Three hundred and one patients undergoing laparoscopic rectal cancer surgery between December 2009 and May 2016 were enrolled. Body composition was assessed using computed tomography by measuring the muscle and fat areas at the third lumbar (L3) vertebra. The L3 skeletal muscle area was used to calculate the skeletal muscle index and evaluate presarcopenia.
Results: Presarcopenia was more common in older ( ≥ 70 years, P = 0.008) or female patients (P = 0.045). Patients with presarcopenia had decreased skeletal muscle area (P < 0.001), lower hemoglobin level (P = 0.034), longer time to first flatus (P < 0.001), and more frequent surgical site infection (P = 0.001). However, survival rates were not significantly different between those with and without presarcopenia.
Conclusion: Computed tomography-assessed presarcopenia was associated with delayed functional recovery and increased surgical site infection, although it was not revealed as a prognostic factor for oncological outcomes.
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KEYWORD
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Sarcopenia, Treatment outcome, Laparoscopy, Rectal neoplasms
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