Complications | Total number | Severity of postoperative complications a | |||||
---|---|---|---|---|---|---|---|
II | IIIa | IIIb | IVa | IVb | V | ||
Stroke b | 2 | 2 | – | – | – | – | – |
Respiratory complications | 6 | 4 | 2 | – | – | – | – |
 Pulmonary infection c | 4 | 4 | – | – | – | – | – |
 Pleural effusion d | 2 | – | 2 | – | – | – | – |
Cardiovascular complications | 3 | 2 | 1 | – | – | – | – |
 New onset arrhythmia e | 1 | – | 1 | – | – | – | – |
 Acute myocardial infarction f | 2 | 2 | – | – | – | – | – |
Surgery-related complications | 6 | 3 | – | 1 | 1 | 1 | – |
 Surgical bleeding g | 3 | – | – | 1 | 1 | 1 | – |
 Ileus h | 3 | 3 | – | – | – | – | – |
Thromboembolic complications | 3 | 2 | – | – | 1 | – | – |
 Pulmonary embolism i | 1 | – | – | – | 1 | – | – |
 Deep venous thrombosis j | 2 | 2 | – | – | – | – | – |
Hypoglycemia k | 9 | 9 | – | – | – | – | – |
Urinary tract infection l | 1 | 1 | – | – | – | – | – |