Nutritional Impact and Intervention Strategies in Esophageal Cancer
Summary
Esophageal cancer poses a significant nutritional challenge owing to tumour-related dysphagia, treatment-induced toxicity and metabolic alterations. Malnutrition develops in up to 80 % of patients and is associated with increased postoperative complications, treatment interruptions and poorer survival. Weight loss, muscle wasting and micronutrient deficits combine to compromise functional status, immune competence and quality of life. Intervention strategies span preoperative risk screening, dietary counselling, oral supplementation, enteral feeding and immunonutrition. Early identification of at-risk individuals enables tailored support ranging from high-energy, high-protein diets to feeding tube placement. Immunomodulating nutrients such as arginine, omega-3 fatty acids and nucleotides have been trialled in the neoadjuvant and perioperative periods, demonstrating reductions in infectious complications. Micronutrient repletion, particularly iron, vitamins D and B12, is crucial following resection when gastric conduit anatomy alters absorption. Multidisciplinary care pathways, including dietitians, clinical nutritionists and surgeons, underpin successful management. Predictive tools incorporating body mass index, preoperative weight loss and inflammatory markers guide intensity of nutritional intervention. Globally, improving access to nutritional support is emerging as a key component of comprehensive cancer care, with potential to enhance treatment tolerance, reduce healthcare costs and improve long-term outcomes.
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Nutritional Impact and Intervention Strategies in Esophageal Cancer publication trend
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Technical terms
Enteral nutrition: Delivery of nutrient-dense formulas directly into the gastrointestinal tract, typically via nasogastric or gastrostomy tubes, to maintain caloric and protein intake.
Malnutrition: A pathological state of nutrient deficiency or imbalance that impairs physiological function and hinders treatment response.
Micronutrient deficiency: Insufficient levels of essential vitamins or minerals required for metabolic processes, wound healing and immune function.
Chemoradiotherapy: Combined chemotherapy and radiotherapy regimen administered concurrently or sequentially to enhance tumour control.
Nutrition risk screening (NRS): A standardised assessment tool used to identify patients at high risk of malnutrition who may benefit from early nutritional intervention.
References
- Gastro-Intestinal Disorders and Micronutrient Deficiencies following Oncologic Esophagectomy and Gastrectomy. Cancers (2023).
- Effects of Enteral Nutrition on Patients With Oesophageal Carcinoma Treated With Concurrent Chemoradiotherapy: A Prospective, Multicentre, Randomised, Controlled Study. Frontiers in Oncology (2022).
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