Dementia Patients Received Fewer Care Recommendations
A new study reveals that U.S. adults are less likely to recommend life-sustaining treatments for patients with dementia.
Updated on Oct. 7, 2026 in Alzheimer’s
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Researchers at the University of Colorado Anschutz found that survey participants were 19 percentage points less likely to support life-sustaining care for dementia patients compared to those without the condition. The findings highlight significant disparities in how surrogate decisions are made for individuals with cognitive impairment.
Why it matters
Understanding the biases in surrogate decision-making is critical for ensuring that patients unable to communicate their own preferences receive care that aligns with their needs. This study identifies a clear tendency to forgo aggressive treatment for dementia patients, regardless of their documented medical requests.
The study surveyed 6,000 U.S. adults, finding that life-sustaining treatment was recommended for dementia patients without directives only 15.6% of the time. This compares to a 38.9% recommendation rate for patients without dementia in similar scenarios.
The players
University of Colorado Anschutz
This is a prominent academic medical campus and research institution based in Colorado that frequently conducts large-scale clinical and social health studies.
The details
The randomized survey asked participants to consider scenarios involving hospitalized older adults while varying factors like dementia status, physician advice, and advance directives. The results suggest that the presence of dementia serves as a strong independent factor in reducing the perceived necessity of life-sustaining interventions.
Timeline
October 7, 2026: The University of Colorado Anschutz published the study findings in JAMA Network Open.
The Big Picture
The study follows a pattern set by the Patient Self-Determination Act of 1990 by highlighting how effectively or ineffectively patient autonomy is respected during end-of-life care.
The research underscores the vital importance of having clear, documented advance directives that explicitly state treatment preferences to prevent surrogate bias. Family members serving as decision-makers should verify if their own perceptions of dementia could inadvertently influence their loved one's care plan.
The takeaway
Cognitive impairment should not automatically lead to the withdrawal of life-sustaining treatment if such care aligns with a patient's values. Families should have proactive conversations about medical wishes long before a health crisis occurs to ensure those preferences are honored.
Further reading
Learn more about the latest research and clinical standards in our Alzheimer’s section.
More information
View the complete JAMA Network Open study article for a detailed breakdown of the survey methodology.
Source note: This article includes information reported by News-Medical.
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