Life Support Limitations in Mechanically Ventilated Stroke Patients.

Area of Science:

• Neurology
• Intensive Care Medicine
• Clinical Research

Background:

• Limited data exists on factors influencing decisions to limit life support in ventilated stroke patients, particularly comparing ischemic and hemorrhagic types.
• Previous studies primarily focused on intracranial hemorrhages, leaving a gap in understanding for ischemic stroke patients.
• Ventilated stroke patients represent a critical group where end-of-life decisions require careful consideration.

Purpose of the Study:

• To compare the frequency of life support limitations in ventilated ischemic and hemorrhagic stroke patients versus non-brain-injured patients.
• To identify specific factors associated with decisions to limit life support in these stroke populations.
• To analyze the timing of life support limitations in relation to patient outcomes.

Main Methods:

• A multicenter prospective observational study was conducted across fourteen Intensive Care Units (ICUs) in the French OutcomeRea network.
• Data was collected from 2005 to 2016, including 373 stroke patients (167 ischemic, 206 hemorrhagic) and 5,683 non-brain-injured patients requiring invasive ventilation.
• Statistical analysis utilized subdistribution hazard ratios to compare life support limitation frequencies and identify associated factors.

Main Results:

• Life support limitations were significantly more frequent in stroke patients (41% ischemic, 33% hemorrhagic) compared to non-brain-injured patients (subdistribution hazard ratios of 3.59 and 3.9, respectively).
• The timing of life support limitation differed, being longer from ICU admission in ischemic strokes (5 days) versus hemorrhagic strokes (2 days).
• Factors influencing limitations included vertebrobasilar location and prestroke disability in ischemic stroke, while age and Glasgow Coma Scale scores were key in hemorrhagic stroke.

Conclusions:

• Decisions to limit life support are substantially more common in ventilated stroke patients than in non-brain-injured individuals.
• Distinct risk factors and timing patterns for life support limitations exist between ischemic and hemorrhagic stroke patients.
• These findings highlight the need for tailored approaches in end-of-life care decision-making for different stroke types.