Parameters | Definitions |
---|---|
Hospital stay | Days from initial operation to hospital discharge plus any readmission within 30 days |
Operating time | Time from skin incision to wound closure (minutes) |
Delayed gastric emptying | Failure to resume solid diet with prolonged need for nasogastric tube as defined by ISGPS [40] |
Biliary leak | Bilirubin concentration in the drain fluid at least three times the serum bilirubin concentration as defined by ISGLS [38] |
Postoperative haemorrhage | Evidence of blood loss from drains and/or nasogastric tube, based on ultrasonography, as defined by ISGPS [41] |
Intraabdominal fluid collection | Collection of fluid measuring ≥3 cm associated with clinical or laboratory abnormalities |
Symptomatic fluidothorax | Fluid in the pleural cavity associated with respiratory distress or a need to evacuate the fluid |
Abdominal rupture | Dehiscence of abdominal closure with need for resuture of the laparotomy during the initial hospital stay |
Myocardial infarction | Increase of serum concentration of CK-MB and troponin and/or the following ECG changes: new Q waves ≥0.04 in duration, new persistent ST elevation and/or depression |
Pneumonia | Presence of a new infiltrate on chest X-ray, as well as the following: body temperature >38°C, abnormal elevation of WBC, or positive sputum, and requiring antibiotic treatment |
Acute renal failure | Serum creatinine >3.0 mg/dl and/or need for dialysis |
Wound infection | Surgical site infection associated with laparotomy that develops during the initial hospital stay |
Urinary tract infection | Culture-positive urine, pyuria or bacteriuria on urinalysis requiring antibiotic treatment |