Home parenteral nutrition in patients receiving palliative care: a curriculum-based review.

Difficulty with maintaining nutritional intake is common in patients with cancer. European guidance suggests that wherever possible nutritional support should first be provided by the oral or enteral route. Where this is not possible, for example, in malignant small bowel obstruction, parenteral nutrition (PN) may be considered. In palliative care, it is generally accepted that the significant risks and burdens of PN outweigh the potential benefits in patients with an expected survival