Examining a Preclinical Alzheimer's Cognitive Composite for Telehealth Administration for Reliability Between In-Person and Remote Cognitive Testing with Neuroimaging Biomarkers.
J Alzheimers Dis
; 99(2): 679-691, 2024.
Article
en En
| MEDLINE
| ID: mdl-38669545
ABSTRACT
Background:
The preclinical Alzheimer's cognitive composite (PACC) was developed for in-person administration to capture subtle cognitive decline. At the outset of the COVID-19 pandemic, cognitive testing was increasingly performed remotely by telephone or video administration. It is desirable to have a harmonized composite measurement derived from both in-person and remote assessments for identifying cognitive changes and to examine its relationship with common neuroimaging biomarkers.Objective:
We defined a telehealth compatible PACC (tPACC) and examined its relationship with neuroimaging biomarkers related to neurodegeneration, brain function and perfusion, white matter integrity, and amyloid-ß.Methods:
We examined 648 participants' neuroimaging and in-person and remote cognitive testing data from the Wake Forest Alzheimer's Disease Research Center's Clinical Core cohort (observational study) to calculate a modified PACC (PACC5-RAVLT) score and tPACC scores (in-person and remote). We performed Spearman/intraclass correlation coefficient (ICC) analyses for reliability of tPACC scores and linear regression models to evaluate associations between tPACC and neuroimaging. Bland-Altman plots for agreement were constructed across cognitively normal and impaired (mild cognitive impairment and dementia) participants.Results:
There was a significant positive relationship between tPACCin - person and PACC5-RAVLT (Overall group r2â=â0.94, Nâ=â648), and tPACCin - person and tPACCremote (validation subgroup ICCâ=â0.82, nâ=â53). Overall, tPACC showed significant associations with brain thickness/volume, gray matter perfusion, white matter free water, and amyloid-ß deposition.Conclusions:
There is a good agreement between tPACCand PACC5-RAVLTfor cognitively normal and impaired individuals. The tPACC is associated with common neuroimaging markers of Alzheimer's disease.Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Biomarcadores
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Telemedicina
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Enfermedad de Alzheimer
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Neuroimagen
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Disfunción Cognitiva
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Pruebas Neuropsicológicas
Límite:
Aged
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Aged80
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Female
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Humans
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Male
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Middle aged
Idioma:
En
Revista:
J Alzheimers Dis
Asunto de la revista:
GERIATRIA
/
NEUROLOGIA
Año:
2024
Tipo del documento:
Article
País de afiliación:
Estados Unidos