Impact of amyloid PET in the clinical care of veterans in a tertiary memory disorders clinic

Abstract Introduction We aimed to characterize the clinical impact of amyloid PET (APET) in a veteran population with cognitive decline by comparing differences in management between those who did and did not have an APET. Methods This was a retrospective observational study. Poisson regressions and...

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Main Authors: Ana Laura Vives‐Rodriguez, Kylie A. Schiloski, Anna Marin, Ryan Wang, Gabor P. Hajos, Rachel Powsner, Renée DeCaro, Andrew E. Budson, Katherine W. Turk
Format: Article
Language:English
Published: Wiley 2022-01-01
Series:Alzheimer’s & Dementia: Translational Research & Clinical Interventions
Subjects:
Online Access:https://doi.org/10.1002/trc2.12320
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author Ana Laura Vives‐Rodriguez
Kylie A. Schiloski
Anna Marin
Ryan Wang
Gabor P. Hajos
Rachel Powsner
Renée DeCaro
Andrew E. Budson
Katherine W. Turk
author_facet Ana Laura Vives‐Rodriguez
Kylie A. Schiloski
Anna Marin
Ryan Wang
Gabor P. Hajos
Rachel Powsner
Renée DeCaro
Andrew E. Budson
Katherine W. Turk
author_sort Ana Laura Vives‐Rodriguez
collection DOAJ
description Abstract Introduction We aimed to characterize the clinical impact of amyloid PET (APET) in a veteran population with cognitive decline by comparing differences in management between those who did and did not have an APET. Methods This was a retrospective observational study. Poisson regressions and logistic regression were used for comparisons. Results Out of 565 veterans, 197 underwent APET; positivity rate was 36.55%. Having an APET was associated with longer follow‐up, and increased diagnostic variability; it was not associated with number of additional studies, cholinesterase inhibitors prescription, or referrals to research. A positive APET was associated with less diagnostic variability, fewer additional tests, greater cholinesterase inhibitor prescriptions, and more research referrals. Discussion In a medically complex, real‐world population, APET yielded lower positivity rates and was not associated with classical clinical utility variables when comparing patients with and without an APET. APET may be used more to “rule out” rather than to confirm Alzheimer's disease. Highlights Amyloid PET was associated with longer follow‐up, and higher diagnostic variability. No association was seen with cholinesterase inhibitors prescription, or referrals to research. In complex patients, expected amyloid PET positivity rates are lower than previously described. Amyloid PETs were used to “rule out” AD than to confirm the diagnosis of AD.
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spelling doaj.art-0370a684e233442abda73393b66210732023-01-18T11:41:04ZengWileyAlzheimer’s & Dementia: Translational Research & Clinical Interventions2352-87372022-01-0181n/an/a10.1002/trc2.12320Impact of amyloid PET in the clinical care of veterans in a tertiary memory disorders clinicAna Laura Vives‐Rodriguez0Kylie A. Schiloski1Anna Marin2Ryan Wang3Gabor P. Hajos4Rachel Powsner5Renée DeCaro6Andrew E. Budson7Katherine W. Turk8Center for Translational Cognitive Neuroscience VA Boston Healthcare System Boston Massachusetts USACenter for Translational Cognitive Neuroscience VA Boston Healthcare System Boston Massachusetts USACenter for Translational Cognitive Neuroscience VA Boston Healthcare System Boston Massachusetts USADepartment of Neurology Boston University School of Medicine Boston Massachusetts USACenter for Translational Cognitive Neuroscience VA Boston Healthcare System Boston Massachusetts USADepartment of Radiology VA Boston Healthcare System Boston Massachusetts USACenter for Translational Cognitive Neuroscience VA Boston Healthcare System Boston Massachusetts USACenter for Translational Cognitive Neuroscience VA Boston Healthcare System Boston Massachusetts USACenter for Translational Cognitive Neuroscience VA Boston Healthcare System Boston Massachusetts USAAbstract Introduction We aimed to characterize the clinical impact of amyloid PET (APET) in a veteran population with cognitive decline by comparing differences in management between those who did and did not have an APET. Methods This was a retrospective observational study. Poisson regressions and logistic regression were used for comparisons. Results Out of 565 veterans, 197 underwent APET; positivity rate was 36.55%. Having an APET was associated with longer follow‐up, and increased diagnostic variability; it was not associated with number of additional studies, cholinesterase inhibitors prescription, or referrals to research. A positive APET was associated with less diagnostic variability, fewer additional tests, greater cholinesterase inhibitor prescriptions, and more research referrals. Discussion In a medically complex, real‐world population, APET yielded lower positivity rates and was not associated with classical clinical utility variables when comparing patients with and without an APET. APET may be used more to “rule out” rather than to confirm Alzheimer's disease. Highlights Amyloid PET was associated with longer follow‐up, and higher diagnostic variability. No association was seen with cholinesterase inhibitors prescription, or referrals to research. In complex patients, expected amyloid PET positivity rates are lower than previously described. Amyloid PETs were used to “rule out” AD than to confirm the diagnosis of AD.https://doi.org/10.1002/trc2.12320amyloid PETAlzheimer's diseasecognitive declineclinical impact
spellingShingle Ana Laura Vives‐Rodriguez
Kylie A. Schiloski
Anna Marin
Ryan Wang
Gabor P. Hajos
Rachel Powsner
Renée DeCaro
Andrew E. Budson
Katherine W. Turk
Impact of amyloid PET in the clinical care of veterans in a tertiary memory disorders clinic
Alzheimer’s & Dementia: Translational Research & Clinical Interventions
amyloid PET
Alzheimer's disease
cognitive decline
clinical impact
title Impact of amyloid PET in the clinical care of veterans in a tertiary memory disorders clinic
title_full Impact of amyloid PET in the clinical care of veterans in a tertiary memory disorders clinic
title_fullStr Impact of amyloid PET in the clinical care of veterans in a tertiary memory disorders clinic
title_full_unstemmed Impact of amyloid PET in the clinical care of veterans in a tertiary memory disorders clinic
title_short Impact of amyloid PET in the clinical care of veterans in a tertiary memory disorders clinic
title_sort impact of amyloid pet in the clinical care of veterans in a tertiary memory disorders clinic
topic amyloid PET
Alzheimer's disease
cognitive decline
clinical impact
url https://doi.org/10.1002/trc2.12320
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