“…For these reasons, preventing PI formation, especially severe PIs, is extremely crucial. 3,9 The factors that influence peri-operative PI formation are complex, which mainly include predisposing factors that affect personal health, 10 such as age, 11,12 gender, 13 comorbidities (eg, diabetes, cancer, or nervous system diseases), [14][15][16] malnutrition or obesity, 14,17 anaemia, 18,19 and smoking, 20 as well as facilitating factors, which refer to factors that exacerbate PIs during surgery, 10 such as the method of anaesthesia, 21 the duration of anaesthesia, 22,23 the amount of blood loss, 24,25 and patient positioning. 21,26 The above discussion demonstrates that both facilitating factors during surgery and personal predisposing factors influence the severity of PIs in patients.…”