[Parenteral nutrition : choosing the adequate vascular access].

Malnutrition is a common condition among hospitalized patients and has an important impact on morbidity and mortality. Despite enteral nutrition being the preferred option for patients requiring artificial alimentation, parenteral nutrition (PN) can be required. This article emphasizes the importance of choosing the adequate vascular access based on the chosen PN. Furthermore, it reviews indications, contraindications and complications of PN.