What are the indications for parenteral nutrition?

To supply nutrients intravenously when it is not possible to do so entirely with enteral nutrition.
To be used in patients with acute or chronic digestive or extra-digestive pathologies.
To be used in patients with a risk of secondary malnutrition.
To be used in patients with a history of pancreatitis, peritonitis, enteritis, or pseudo-obstruction.
To be used in patients with mucositis due to cancer treatment.