Table 3 Adverse events leading to unplanned ICU admission

Cardiovascular events

hypotension

13

4

hypertension

6

0

arrhythmia

4

1

heart failure

2

4

myocardial ischemia

3

2

pulmonary embolism

0

3

cardiac arrest

1

1

anaphylaxis

1

0

Respiratory events

hypoxia

21

5

hypercapnia

1

0

pneumothorax

1

1

pneumonia

0

2

airway obstruction

3

1

Neurological events

stroke

1

1

involuntary movement

1

0

seizure

0

2

Anesthetic events

delayed emergence

9

0

agitation

2

0

Surgical events

surgical site bleeding

4

3

anastomotic leakage

0

2

Infection

sepsis

0

3

Others

gastrointestinal hemorrhage

0

1