[What nutritional management in patients with head and neck cancers undergoing radiotherapy? An overview].

Radiotherapy is an effective treatment for head and neck cancers but patients often experience side effects, which lead to malnutrition. Morbidity related to weight loss during treatment may include dehydration, hospitalization, compromised treatment efficacy, and reduced quality of life and may impact survival hence the importance of early nutritional management prior to radiotherapy. Multiple interventions have been implemented to help ameliorate the impact of treatment on weight loss and nutritional status, including the use of percutaneous endoscopic gastrostomy tubes. The goal of this overview is to search the predictive factors of malnutrition and an overview of the different types of nutritional interventions and their impact on the local control of the disease, mortality and quality of life of patients treated with radiotherapy or concomitant chemoradiotherapy.