| Number | Percentage |
---|---|---|
Cardiovascular | Â | Â |
 Acute myocardial infarction | 6 | 0.7 |
 Arterial embolism | 1 | 0.1 |
 Cardio respiratory arrest | 4 | 0.5 |
 Angina pectoris / unstable angina | 9 | 1.1 |
 Complete heart block | 1 | 0.1 |
 Congestive heart failure | 10 | 1.2 |
 Post operative shock | 1 | 0.1 |
 Supra-ventricular / ventricular tachycardia | 6 | 0.7 |
 Thromboembolism / deep vein thrombosis | 17 | 2.0 |
Respiratory | Â | Â |
 Acute pulmonary edema | 3 | 0.4 |
 Adult respiratory distress syndrome | 5 | 0.6 |
 Pneumonia / aspiration pneumonia | 8 | 0.9 |
 Pulmonary embolism | 12 | 1.4 |
Gastrointestinal | Â | Â |
 Abdominal obstruction | 14 | 1.6 |
 Acute gastrointestinal bleeding / ulcer | 9 | 1.1 |
 Acute hepatic failure | 1 | 0.1 |
Renal | Â | Â |
 Acute renal failure | 15 | 1.8 |
 Oliguria / anuria | 16 | 1.9 |
Musculoskeletal | Â | Â |
 Dehiscence of surgical wound | 2 | 0.2 |
 Hemorrhage complicating a procedure | 22 | 2.6 |
 Hip abscess / septic arthritis / acute osteomyelitis | 3 | 0.4 |
 Mechanical complications due to prosthesis (e.g., fracture of bone) | 9 | 1.1 |
Neurological | Â | Â |
 Acute cerebrovascular accident / transient ischemic attach | 4 | 0.5 |
 Convulsions | 1 | 0.1 |
 Semi coma | 1 | 0.1 |
General | Â | Â |
 Bacteremia | 15 | 1.8 |
 Diabetic hypoglycemic shock | 2 | 0.2 |
 Post operative infection / sepsis | 21 | 2.5 |