Table 1

Eligibility criteria

Inclusion criteria	Exclusion criteria
1. Histologically proven colorectal cancer or polyp(s) that planned treatment involves surgical resection with curative intent. 2. Patient is at least 18 years old and younger than 80. 3. Elective minimally invasive operation. 4. No planned ostomy creation at time of enrolment. 5. Serum creatinine level less than 1.5 ng/ml measured within 30 days of surgery. 6. Able to speak, read and understand English.	1. Strong, self-reported history of postoperative nausea and vomiting. 2. History of congestive heart failure. Systolic heart failure defined as ejection fraction (EF) less than or equal to 40% or diastolic heart failure defined as EF greater than 40% in addition to systemic manifestation of heart failure.33

Inclusion criteria

Exclusion criteria

1. Histologically proven colorectal cancer or polyp(s) that planned treatment involves surgical resection with curative intent.
2. Patient is at least 18 years old and younger than 80.
3. Elective minimally invasive operation.
4. No planned ostomy creation at time of enrolment.
5. Serum creatinine level less than 1.5 ng/ml measured within 30 days of surgery.
6. Able to speak, read and understand English.

1. Strong, self-reported history of postoperative nausea and vomiting.
2. History of congestive heart failure. Systolic heart failure defined as ejection fraction (EF) less than or equal to 40% or diastolic heart failure defined as EF greater than 40% in addition to systemic manifestation of heart failure.33