A randomized controlled trial of amyloid positron emission tomography results disclosure in mild cognitive impairment
JH Lingler, SM Sereika, MA Butters… - Alzheimer's & …, 2020 - Wiley Online Library
Alzheimer's & Dementia, 2020•Wiley Online Library
Introduction Recent studies suggest that Alzheimer's disease (AD) biomarker disclosure has
no discernable psychological impact on cognitively healthy persons. Far less is known about
how such results affect symptomatic individuals and their caregivers. Methods Randomized
controlled trial of 82 mild cognitive impairment (MCI) patient and caregiver dyads (total n=
164) to determine the effect of receiving amyloid positron emission tomography results on
understanding of, and perceived efficacy to cope with, MCI over 52 weeks of follow‐up …
no discernable psychological impact on cognitively healthy persons. Far less is known about
how such results affect symptomatic individuals and their caregivers. Methods Randomized
controlled trial of 82 mild cognitive impairment (MCI) patient and caregiver dyads (total n=
164) to determine the effect of receiving amyloid positron emission tomography results on
understanding of, and perceived efficacy to cope with, MCI over 52 weeks of follow‐up …
Introduction
Recent studies suggest that Alzheimer's disease (AD) biomarker disclosure has no discernable psychological impact on cognitively healthy persons. Far less is known about how such results affect symptomatic individuals and their caregivers.
Methods
Randomized controlled trial of 82 mild cognitive impairment (MCI) patient and caregiver dyads (total n = 164) to determine the effect of receiving amyloid positron emission tomography results on understanding of, and perceived efficacy to cope with, MCI over 52 weeks of follow‐up.
Results
Gains in the primary outcomes were not consistently observed. Amyloid negative patients reported greater perceived ambiguity regarding MCI at follow‐up, while moderate and sustained emotional distress was observed in patients, and to a lesser extent, caregivers, of those who were amyloid positive. There was no corresponding increase in depressive symptoms.
Discussion
These findings point to the possibility that both MCI patients and caregivers may need emotional support after the disclosure of amyloid scan results.
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