Background: Malnutrition is relatively common among elderly patients with gastric cancer. This study sought to analyze whether preoperative nutritional status, inflammatory cytokines, and intestinal permeability were correlated in elderly gastric cancer patients undergoing surgery, and their effects on postoperative recovery. Methods: This study was a single-center prospective cohort study. Patients aged 65-90 years who underwent gastrectomy were included. Preoperative nutritional status was assessed by the Mini Nutritional Score (MNA), Nutritional Risk Screening-2002 (NRS2002), body mass index (BMI), free fatty acids (FFAs), albumin, and prealbumin concentrations. Intestinal permeability was assessed by D-lactate and intestinal fatty acid-binding protein (i-FABP). The inflammatory factors included interleukin (IL)-6, IL-10, neutrophil, and lymphocyte counts. The time to first defecation, time to first liquid diet, length of hospital stay (LOS), and postoperative complications were recorded. Results: A total of 134 patients were included. According to the MNA, 50.7% and 32.1% of the cohort had mild to moderate malnutrition, and severe malnutrition, respectively. According to the NRS2002, 38.8% of the patients scored >4 points. I-FABP was significantly negatively correlated with albumin (r=-0.409, P<0.001) and prealbumin (r=-0.397, P<0.001), and significantly positively correlated with MNA (r=0.291, P=0.001), the NRS2002 (r=0.284, P=0.001), and LOS (r=0.245, P=0.004). D-lactate was significantly negatively correlated with BMI (r=-0.229, P=0.008), albumin (r=-0.426, P<0.001), and prealbumin (r=-0.358, P<0.001), and significantly positively correlated with the NRS2002 (r=0.187, P=0.030), time to first defecation (r=0.264, P=0.002), and LOS (r=0.409, P<0.001). There were significant differences in BMI, prealbumin, FFAs, i-FABP, time to first defecation, and time to first fluid diet (P<0.05) among groups based on MNA score. The multivariate logistic analysis showed that D-lactate was an independent risk factor of postoperative complications [odds ratio (OR) =1.354, 95% confidence interval (CI): 1.099-1.669, P=0.004]. Conclusions: The preoperative intestinal permeability indicators (i.e., D-lactate and i-FABP) are significantly correlated with some nutritional indicators and postoperative recovery indicators. The preoperative D-lactate level is an independent risk factor of postoperative complications, suggesting that altered gut barrier function before surgery could to some extent influence postoperative recovery in the elderly. 2022 Journal of Gastrointestinal Oncology. All rights reserved.
Background: Malnutrition is relatively common among elderly patients with gastric cancer. This study sought to analyze whether preoperative nutritional status, inflammatory cytokines, and intestinal permeability were correlated in elderly gastric cancer patients undergoing surgery, and their effects on postoperative recovery. Methods: This study was a single-center prospective cohort study. Patients aged 65-90 years who underwent gastrectomy were included. Preoperative nutritional status was assessed by the Mini Nutritional Score (MNA), Nutritional Risk Screening-2002 (NRS2002), body mass index (BMI), free fatty acids (FFAs), albumin, and prealbumin concentrations. Intestinal permeability was assessed by D-lactate and intestinal fatty acid-binding protein (i-FABP). The inflammatory factors included interleukin (IL)-6, IL-10, neutrophil, and lymphocyte counts. The time to first defecation, time to first liquid diet, length of hospital stay (LOS), and postoperative complications were recorded. Results: A total of 134 patients were included. According to the MNA, 50.7% and 32.1% of the cohort had mild to moderate malnutrition, and severe malnutrition, respectively. According to the NRS2002, 38.8% of the patients scored >4 points. I-FABP was significantly negatively correlated with albumin (r=-0.409, P<0.001) and prealbumin (r=-0.397, P<0.001), and significantly positively correlated with MNA (r=0.291, P=0.001), the NRS2002 (r=0.284, P=0.001), and LOS (r=0.245, P=0.004). D-lactate was significantly negatively correlated with BMI (r=-0.229, P=0.008), albumin (r=-0.426, P<0.001), and prealbumin (r=-0.358, P<0.001), and significantly positively correlated with the NRS2002 (r=0.187, P=0.030), time to first defecation (r=0.264, P=0.002), and LOS (r=0.409, P<0.001). There were significant differences in BMI, prealbumin, FFAs, i-FABP, time to first defecation, and time to first fluid diet (P<0.05) among groups based on MNA score. The multivariate logistic analysis showed that D-lactate was an independent risk factor of postoperative complications [odds ratio (OR) =1.354, 95% confidence interval (CI): 1.099-1.669, P=0.004]. Conclusions: The preoperative intestinal permeability indicators (i.e., D-lactate and i-FABP) are significantly correlated with some nutritional indicators and postoperative recovery indicators. The preoperative D-lactate level is an independent risk factor of postoperative complications, suggesting that altered gut barrier function before surgery could to some extent influence postoperative recovery in the elderly. 2022 Journal of Gastrointestinal Oncology. All rights reserved.
Entities:
Keywords:
Gastric cancer; elderly; intestinal permeability; nutritional status
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