The frontotemporal dementia versus primary psychiatric disorder (FTD versus PPD) checklist: a bedside clinical tool to identify behavioral variant FTD in patients with late-onset behavioral changes
Abstract
Background Differentiating early behavioral variant frontotemporal dementia (bvFTD) and primary psychiatric disorders (PPD) is complex and biomarkers have limited accuracy, leading to inaccurate diagnoses. Objectives Develop a simple bedside clinical tool to differentiate bvFTD from PPD. Methods A checklist of clinical features differentiating bvFTD from PPD was developed based on literature and clinical experience. The checklist was filled prospectively for 29 consecutive patients (Montreal Neurological Hospital) with late-onset (≥ age 40) behavioral changes suggestive of bvFTD. The checklist was subsequently retrospectively completed on the baseline visit (N = 137) of the Late-Onset Frontal Lobe study (Amsterdam). In both cohorts, patients were followed 2 years to establish a final best clinical diagnosis, categorizing patients into Probable FTD (N = 46), Possible FTD (N = 8), Other Cognitive Disorder (N = 36), Other Neurological Disorder (N = 10), or PPD (N = 66). Results All items distinguished the two groups except "duration more than 5 years", which was removed to create a final 17-item version. Mean checklist scores were significantly different across all groups (Oneway ANOVA F(4,161) = 27.462, p Conclusions Although further prospective validation is required, the "FTD vs PPD Checklist" could provide a simple tool to improve diagnostic accuracy, particularly in non-specialized settings.
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The FTD versus PPD Checklist is a recently developed tool to standardize the assessment of simple clinical factors that have value for the distinction between bvFTD and PPD.
“the Frontotemporal Dementia versus Primary Psychiatric Disorder (FTD versus PPD) Checklist is a recently developed tool to standardize the assessment of simple clinical factors that have value for the distinction between bvFTD and PPD (Ducharme et al. , 2019).”
From Recommendations to distinguish behavioural variant frontotemporal dementia from psychiatric disorders (2020) · cites this paper as Ducharme et al., 2019
The FTD versus PPD Checklist proved to have good diagnostic accuracy in samples of 29 and 137 patients.
“The FTD versus PPD Checklist proved to have good diagnostic accuracy in samples of 29 and 137 patients, respectively; however, further prospective validation is needed (Ducharme et al. , 2019).”
From Recommendations to distinguish behavioural variant frontotemporal dementia from psychiatric disorders (2020) · cites this paper as Ducharme et al., 2019
Behavioural scales that capture lack of insight, as well as other clinical information, have been shown to improve early differentiation between bvFTD and PPD.
“Behavioural scales that can capture this lack of insight, as well as other clinical information has been shown to improve early differentiation between bvFTD and PPD (Ducharme et al. , 2019).”
From Recommendations to distinguish behavioural variant frontotemporal dementia from psychiatric disorders (2020) · cites this paper as Ducharme et al., 2019
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- Authors
- Ducharme, S., Pearl-Dowler, L., Gossink, F., McCarthy, J., Lai, J., Dickerson, B. C., Chertkow, H., Rapin, L., Vijverberg, E., Krudop, W., Dols, A., & Pijnenburg, Y.
- Affiliations
- Montreal Neurological Institute and Hospital (CA)
- Department of Psychiatry, McGill University Health Centre, Montreal, QC, Canada
- Amsterdam Neuroscience (NL)
- Harvard University (US)
- Jewish General Hospital (CA)
- Department of Old Age Psychiatry, GGZinGeest/Amsterdam University Medical Centre, Amsterdam, The Netherlands
- Corresponding author
- Ducharme, Simon
- ORCID
- Venue
- Journal of Alzheimer's Disease
- Publisher
- SAGE Publications
- Published
- 2019-01-08
- Volume
- 67
- Issue
- 1
- Pages
- 113-124
- ISSN
- 1387-2877 (ISSN-L)
- 1875-8908
- OpenAlex
- W2905612665
- Cited by
- 42
- References
- 24
- Citations by year
- 2026: 3 · 2025: 3 · 2024: 10 · 2023: 6 · 2022: 10 · 2021: 4 · 2020: 5 · 2019: 1
- FWCI
- 1.97
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Alzheimer s Disease (publishedVersion)
- PubMed (publishedVersion)
- Amsterdam UMC (VU Amsterdam) - Institutional Repository (submittedVersion)
- Data Archiving and Networked Services (DANS) (submittedVersion)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
- Social Sciences › Psychology › Clinical Psychology › Historical and Modern Theater Studies
- Health Sciences › Medicine › Neurology › Amyotrophic Lateral Sclerosis Research
- Keywords
- behavioral variant frontotemporal dementia, primary psychiatric disorders
- MeSH terms
- Point-of-Care Testing, Aged, Mental Disorders, Cognition Disorders, Female, Humans, Male, Middle Aged, Nervous System Diseases, Neuropsychological Tests, Prospective Studies, Reproducibility of Results, Age of Onset, Frontotemporal Dementia, Checklist
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