Intermittent Oral-esophageal Tube in Delayed Dysphagia After Radiotherapy for Nasopharyngeal Carcinoma

This is a prospective multicenter study with patients with delayed dysphagia after radiotherapy for NPC. Patients enrolled are randomly divided equally into the observation group and the control group. All patients receive conventional care, and the observation group received IOE while the control group received NGT for enteral nutrition support. Baseline information (demographics, medical history, etc.), nutritional status at admission and after treatment, depression, dysphagia, and quality of life (QOL) after treatment as well as adverse events are compared.