Impact of perioperative high-protein nutritional support on the quality of life of patients with primary lung cancer: a Russian prospective multicenter comparative study (NUTRILUNC study)

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BACKGROUND: Individuals over the age of 70 comprise over half of operable patients with stage 0–IIIA lung cancer. In the early postoperative period of this cohort, pain, fatigue, insomnia, and/or mood disturbances are the four most common symptoms, which can significantly diminish quality of life and functional status. Perioperative nutritional support in such patients, which enhances exercise tolerance, can have a positive impact on their quality of life and socialization. AIM: To assess the effect of perioperative nutritional support using high-protein oral nutrition supplements on the general health and quality of life of non-small cell lung cancer patients during the postoperative period. MATERIALS AND METHODS: Patients with primary non-small cell lung cancer (n=112, 69 males), aged 57.2±8.2, who were awaiting lung surgery and at risk of malnutrition (Nutritional Risk Screening Assessment 2002 score ≥3) were randomly assigned into two groups. Oral nutritional support (Nutridrink Compact Protein, Nutricia LLC) was administered to the study group (n=55) at a rate of 250 ml/d (36 g of protein, 612 kcal) for 14 days prior to and 14 days following the surgery, in addition to the standard diet. Control group patients (n=57) were provided a standard diet. The quality of life was assessed using the Quality of Life Questionnaire Core-30. Results are presented as mean ± standard deviation. Differences were considered significant at p ≤0.05. RESULTS: Throughout the entire observation period, the study group exhibited superior growth indicators in terms of general health status, physical, and role functioning than the control group (p 0.05). The study group patients exhibited a propensity toward improved emotional functioning, and by the end of the study, weakness and insomnia were less pronounced (p 0.05). Other indicators did not exhibit any significant variations. CONCLUSION: Нigh-protein perioperative oral nutrition supplements exert a positive impact on the quality of life of non-small cell lung cancer patients.

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