When I was in training TPN was exclusively within the purview of the surgeons. Consequently, internal medicine residents were not trained in its administration. Despite a lack of training and experience hospitalists are increasingly being asked to take over this aspect of hospital care.
One of the popular maxims regarding TPN was, because of the risk of severe dysglycemia, never to start or stop abruptly. Myth or fact? This Medscape Ask the Experts piece addresses the question.