After Intensive Care

People who leave intensive care frequently do so profoundly weakened. Muscle wasting starts early and fast: in one study of critically ill adults, a key thigh muscle lost 17.7% of its cross-sectional area within 10 days, and more in those with failure of several organs 2. Someone who spent two weeks ventilated may be unable to stand, swallow safely or manage stairs.

Alongside that there is often breathlessness, difficulty concentrating and memory problems, and significant anxiety. These are described together as post-intensive care syndrome, and they are common rather than exceptional.

Physical: profound weakness, loss of walking capacity, respiratory muscle weakness, joint stiffness, and frequently swallowing difficulty after prolonged intubation. Cognitive: reduced attention, slowed processing and memory difficulty. Psychological: anxiety, low mood and intrusive memories of the admission.

Treating only the physical side is the common failure. Someone who is walking again but cannot concentrate for long enough to work has not been rehabilitated.

Deconditioned patients fatigue quickly and recover slowly from overexertion, so intensity is built rather than assumed. Sessions start short and frequent, with careful monitoring, and lengthen as tolerance improves.

Respiratory muscle training, swallowing assessment where intubation was prolonged, progressive strength and endurance work, and graded return to daily activities. Where cognitive difficulty is present it is assessed rather than attributed to tiredness.

Recovery from prolonged critical illness is measured in months, not weeks, and the trajectory is uneven. Families are often unprepared for this because discharge from intensive care is understood as the recovery, when it is the start of it.

We will give a realistic timeline at assessment and revise it against measured progress rather than leaving expectations unstated.

Physical weakness from critical illness myopathy, cognitive impairment and psychological effects including anxiety, depression and post-traumatic symptoms. The cognitive effects can be marked: in a large study, about a third of survivors still had cognitive scores typical of a moderate traumatic brain injury a year later 3.

They occur together and are frequently treated separately or not at all, because survivors are discharged from intensive care to a general ward and then home, with no one addressing the syndrome as a whole.

Modestly, according to the randomised trials published so far. A 2024 meta-analysis of 14 randomised trials with 1,259 survivors found that exercise programmes started after hospital discharge produced small improvements in aerobic capacity and in the physical side of quality of life, and less depression, with no serious adverse events 5.

The psychological side has its own, smaller evidence base. In European studies, diaries kept during the intensive care stay were associated with fewer post-traumatic stress symptoms 4. Recovery is therefore planned across physical, cognitive and psychological needs, with the family included, rather than through exercise alone.