The impact of colonization with MDRO in complex
surgical patients (TIARA)
Inclusion criteria- 1. Age ≥ 18 years
2. Planned open/laparoscopic pancreaticoduodenectomy or
open/laparoscopic colon-/rectum resection for any indication
3. Patient able to provide required baseline samples at a maximum
of 14 days prior to the surgical procedure
4. Written informed consent provided prior to inclusion
Exclusion criteria- 1. Patient with any social or logistical condition which in the opinion
of the investigator may interfere with the conduct of the study
- such as incapacity to well understand
- not willing to collaborate
- or cannot easily be contacted after discharge
2. Previous participation in this study
3. Pregnant women