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Cortical microstructure in primary progressive aphasia: a multicenter study.
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In: Alzheimer's research & therapy, vol 14, iss 1 (2022)
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Uniform data set language measures for bvFTD and PPA diagnosis and monitoring.
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In: Alzheimer's & dementia (Amsterdam, Netherlands), vol 13, iss 1 (2021)
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Uniform data set language measures for bvFTD and PPA diagnosis and monitoring.
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In: Alzheimer's & dementia (Amsterdam, Netherlands), vol 13, iss 1 (2021)
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Deformation-based shape analysis of the hippocampus in the semantic variant of primary progressive aphasia and Alzheimer's disease.
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Thalamo-cortical network hyperconnectivity in preclinical progranulin mutation carriers.
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| 6 |
Factors that predict diagnostic stability in neurodegenerative dementia.
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In: Journal of neurology, vol 266, iss 8 (2019)
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Abstract:
ObjectiveTo determine the frequency and characteristics of clinical diagnostic change in frontotemporal dementia (FTD)-spectrum syndromes and Alzheimer's disease (AD)-type dementia.MethodsWe reviewed records and categorized diagnostic changes in patients seen ≥ 2 times with behavioral variant FTD (bvFTD, n = 99), nonfluent and semantic variant primary progressive aphasia (nfvPPA, n = 32; svPPA, n = 59), corticobasal syndrome (CBS, n = 40), progressive supranuclear palsy-Richardson syndrome (PSP-RS, n = 34), and AD-type dementia (n = 49). For bvFTD, we compared patients with and without diagnostic change, and assessed predictors of diagnostic change by logistic regression.ResultsInitial diagnoses changed infrequently at subsequent visits in svPPA (6.8%), PSP-RS (8.8%), and nfvPPA (12.5%), with rare changes largely involving clinicopathological overlap or diagnostic ambiguity. Changes in AD-type dementia (30.6%) and CBS (37.5%) were more common, but reflected greater specificity, predicted co-pathology, or overlapping syndromes. Diagnostic change in bvFTD was also common (32.3%), but more diverse, including motor neuron disease development, alternative neurodegenerative syndromes, and non-neurodegenerative diseases. Diagnostic change occurred more often in those who met possible rather than probable bvFTD criteria (70.6% vs 15.3%, p < 0.001). Patients with stable diagnoses showed greater overall impairment, bvFTD behavioral severity, and atrophy in core right-hemisphere bvFTD regions. Patients with diagnostic change had more severe depression (p < 0.05) and more frequent contributing, secondary diagnoses (p = 0.01), such as cerebrovascular disease. By logistic regression, the accuracy of predicting stable bvFTD diagnoses using first-visit data was 80%.ConclusionbvFTD displays more diverse diagnostic change than other neurodegenerative syndromes. First-visit bvFTD diagnoses may waver if based on meeting possible criteria only.
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Keyword:
Acquired Cognitive Impairment; Aged; Aging; Alzheimer Disease; Alzheimer's disease; Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD); Alzheimer's Disease Related Dementias (ADRD); Alzheimer’s disease; Aphasia; Brain Disorders; Clinical Research; Clinical Sciences; Corticobasal degeneration; Dementia; Female; Frontotemporal Dementia; Frontotemporal Dementia (FTD); Humans; Male; Middle Aged; Neurodegenerative; Neurodegenerative Diseases; Neurological; Neurology & Neurosurgery; Neurosciences; Predictive Value of Tests; Primary Progressive; Progressive; Progressive supranuclear palsy; Rare Diseases; Retrospective Studies; Supranuclear Palsy
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URL: https://escholarship.org/uc/item/4rz1t2j1
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| 7 |
Thalamo-cortical network hyperconnectivity in preclinical progranulin mutation carriers.
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| 8 |
Cortical developmental abnormalities in logopenic variant primary progressive aphasia with dyslexia.
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In: Brain communications, vol 1, iss 1 (2019)
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| 9 |
Neural correlates of abnormal auditory feedback processing during speech production in Alzheimer's disease.
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In: Scientific reports, vol 9, iss 1 (2019)
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| 10 |
Rates of Amyloid Imaging Positivity in Patients With Primary Progressive Aphasia.
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In: JAMA neurology, vol 75, iss 3 (2018)
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| 11 |
Observing conversational laughter in frontotemporal dementia.
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In: Journal of neurology, neurosurgery, and psychiatry, vol 88, iss 5 (2017)
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| 12 |
Increased prevalence of autoimmune disease within C9 and FTD/MND cohorts: Completing the picture.
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In: Neurology(R) neuroimmunology & neuroinflammation, vol 3, iss 6 (2016)
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| 13 |
Atrophy patterns in early clinical stages across distinct phenotypes of Alzheimer's disease.
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In: Human brain mapping, vol 36, iss 11 (2015)
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| 14 |
Sporadic Jakob-Creutzfeldt disease presenting as primary progressive aphasia.
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In: JAMA neurology, vol 70, iss 2 (2013)
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