Nutritional Status and Nutrient Supply in Hospitalised Surgical Patients

Assessing Nutritional Status and Nutrient Supply in Hospitalised Patients Undergoing Major Abdominal Surgery of the Gastrointestinal Tract

Prospective single arm, single center observational study to assess the nutritional status and the nutrient supply during hospitalization for elective gastrointestinal surgery.

Inclusion Criteria:

• patients undergoing elective surgery of the upper or lower gastrointestinal tract
• mental and verbal ability to understand, read and write in German language
• written informed consent for study participation

Exclusion Criteria:

• age <18 years
• inadequate ability to be compliant with the study protocol or to complete documentation for the Food frequency questionnaires