Skeletal muscle loss after gastrectomy can worsen patients’ quality of life and prognosis. Laparoscopic gastrectomy is less invasive than open gastrectomy and has become commonly performed. However, the degree of skeletal muscle loss after laparoscopic procedures remains unclear. We herein report the degree and risk factors of psoas muscle loss after laparoscopic gastrectomy for gastric cancer.
The total psoas area (TPA) on computed tomography of 50 consecutive patients who underwent laparoscopic total gastrectomy (LTG) and 167 consecutive patients who underwent laparoscopic distal gastrectomy (LDG) for gastric cancer was retrospectively evaluated at one postoperative year. The TPA loss was compared between LDG and LTG and univariate and multivariate analyses were performed to identify the risk factors for TPA loss > 10%.
The median TPA decrease rate was 5.9% in the LDG group and 15.6% in the LTG group. LTG and postoperative respiratory complications were independent factors associated with a severe TPA loss of > 10%. In the LTG group, no independent factors were identified in a multivariate analysis. In the LDG group, postoperative complications were identified as an independent risk factor for TPA loss > 10%.
Laparoscopic gastrectomy leads to postoperative TPA loss, especially in patients who underwent LTG and had postoperative respiratory complications. Postoperative complications after LDG were also a risk factor for TPA loss.
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The authors declare no conflicts of interest in association with the present study.
The protocol for this research project was approved by the ethics committee of the institution (No. 180274).
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Yamazaki, Y., Kanaji, S., Takiguchi, G. et al. Skeletal muscle loss after laparoscopic gastrectomy assessed by measuring the total psoas area. Surg Today 50, 693–702 (2020). https://doi.org/10.1007/s00595-019-01936-0
- Laparoscopic gastrectomy
- Gastric cancer
- Skeletal muscle loss
- Psoas muscle area
- Postoperative complication