What is parenteral hyperalimentation?

Parenteral hyperalimentation refers specifically to a type of nutritional therapy delivered intravenously, often utilized when patients are unable to obtain adequate nutrition through oral or enteral routes. This method is particularly vital for postoperative patients, those with gastrointestinal issues, or individuals with severe malnourishment, as it allows them to receive the necessary nutrients directly into the bloodstream. This intravenous approach includes essential macronutrients like carbohydrates, proteins, and fats, as well as vitamins and minerals that can support recovery and maintain health.

The other choices reflect different forms of nutritional support or consultation but do not capture the intravenous aspect or the comprehensive nature of parenteral hyperalimentation. Oral rehydration therapy focuses on rehydration rather than nutritional supplementation, tube feeding involves delivering nutrition via a feeding tube directly into the gastrointestinal tract, and dietary consultation primarily pertains to weight management rather than providing immediate nutritional support for those unable to eat.