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Table 1 The modifiable and non-modifiable factors in prediction of postoperative remote lung injury

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

 
  1. BMI body mass index, FIO2 fraction of inspiration O2, SpO2 peripheral capillary oxygen saturation