Table 4 Postoperative complications

Infection

   Pneumonia

5

2

   Abdominal

4

3

   Urinary tract

1

0

Respiratory

   Pulmonary embolism

1

0

   Respiratory support > 24 h (exclusive of acute lung injury)

6

5

   Acute lung injury

5

1

Cardiovascular

   Arrhythmia^a

6

3

   Hypotension^a

11

3

   Acute pulmonary edema

2

0

   Cardiac arrest (exclusive of fatal outcome)

1

0

Abdominal

   Acute bowel obstruction

1

0

   Upper gastrointestinal bleed

2

1

   Anastomotic leak

1

0

Coagulopathy

   Platelet count <100,000/μl^b or prothrombin time < 50%^c

6

4

Renal

   Urine output < 500 ml/day or serum creatinine > 170 μmol/l^d or dialysis for acute renal failure

11

1

   Total number of complications

63

23

   Number (percentage) of patients with complications

12 (75)

7 (41)