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Table 5 Definitions of post-operative complications

From: A randomised trial of non-invasive cardiac output monitoring to guide haemodynamic optimisation in high risk patients undergoing urgent surgical repair of proximal femoral fractures (ClearNOF trial NCT02382185)

Complication Definition
Cardiovascular Acute atrial fibrillation and/or troponin-I (> 50 ng∙l−1) and/or angina and/or ECG-detected ischaemia and/or heart failure (X-ray or clinical symptoms requiring changes in the post-operative therapy) and/or CT verified pulmonary embolisation
Respiratory Need of oxygen > 4 L/min (to maintain SpO2> 92%) and CRP > 100 and/or pneumonia diagnosed by X-ray and treated by antibiotics
Cerebrovascular Focal symptoms and CT scan-verified acute pathology of a stroke or a history and examination consistent with a transient ischaemic attack
Acute kidney failure 30% increase of baseline creatinine or/and < 0.5 ml/h diuresis
Gastrointestinal bleeding Verified by loss of haemoglobin (Hb < 100 g/l) and blood in the faeces
Confusion AMTS or answering the question “Do you think the patient had been more confused lately?”
Sepsis Body temperature < 36° or > 38° and heart rate > 90/min and respiratory rate > 20/min or pCO2< 4.3 kPa and leukocytes < 4000 cells/mm3 or > 12 000 cells/mm3
Deep-vein thrombosis When suspected and detected by Doppler ultrasonography
Wound infection Deep and/or superficial with purulent exudate and treated by antibiotics
Delayed healing Superficial or deep wound breakdown needing surgical intervention
Urinary tract infection Positive urine culture and/or new clinical symptoms and CRP > 100
Decubitus Broken skin, but intact subcutaneous tissue or sore involving deep soft subcutaneous tissue without muscle or tissue loss, including soft tissues
Wound haematoma Needing surgical drainage
Haematological Requirement in the last 24 h of blood products