title: Indications for nutritional support.
abstract: In this review different types of patients who usually require nutritional support are considered and recommendations made as to when nutritional support should be started, how long it should be continued, and which substrates should be preferentially used by which route.
mesh_terms: D002149:Energy Intake; D004750:Enteral Nutrition; D006801:Humans; D009748:Nutrition Disorders / Q000628:therapy*; D010288:Parenteral Nutrition / Q000009:adverse effects; D013997:Time Factors