From: Postoperative remote lung injury and its impact on surgical outcome
 | Modifiable factors | Non-modifiable factors |
---|---|---|
Preoperative variables | Anaemia FIO2 greater than 35% Impaired cognitive function Increased respiratory rate Low arterial oxygen saturation SpO2 less than 95% Sputum production | Acute respiratory infection in the last month Advanced age Admission locations other than home BMI over 27 Cirrhosis History of cancer Sepsis Smoking history within the past 8 weeks |
Intraoperative varibles | Anaesthesia duration Blood loss Colloid administration Operation period Tidal volume | Emergency surgery High-risk aortic vascular surgery High-risk cardiac surgery Proximal tumor location Surgical site Upper abdominal or intrathoracic surgery |
Postoperative variables | Nasogastric intubation | Â |