Table 2 Restrictions to edge sitting

• Small dose of vasoactive agents (e.g. 0.1–0.2 mcg/kg/min noradrenaline or equivalent) required for haemodynamic stability

• Mechanically ventilated with FiO₂ >0.6 and/or PEEP >10 cmH₂O

• Poor tolerance of endotracheal tube

• Open abdomen or high risk for dehiscence—liaise with surgical team prior to mobilising

• Haemofiltration via a femoral line