Latent profile analysis in frontotemporal lobar degeneration and related disorders: clinical presentation and SPECT functional correlates (Articolo in rivista)

Type
Label
  • Latent profile analysis in frontotemporal lobar degeneration and related disorders: clinical presentation and SPECT functional correlates (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Borroni B. 1, Grassi M. 2, Agosti C. 1, Paghera B. 3, Alberici A. 1, Di Luca M. 4, Perani D. 5, Padovani A 1. (2007)
    Latent profile analysis in frontotemporal lobar degeneration and related disorders: clinical presentation and SPECT functional correlates
    in BMC neurology (Online)
    (literal)
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  • Borroni B. 1, Grassi M. 2, Agosti C. 1, Paghera B. 3, Alberici A. 1, Di Luca M. 4, Perani D. 5, Padovani A 1. (literal)
Pagina inizio
  • 9 (literal)
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  • 7 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. Center for Aging Brain and Dementia, Department of Neurology, University of Brescia, Brescia 2. Department of Health Sciences, Section of Medical Statistics & Epidemiology, University of Pavia, Pavia 3. Nuclear Medicine, Brescia Hospital, Brescia 4. Centre of Excellence for Neurodegenerative Disorders and Department of Pharmacological Sciences, University of Milan, Milan 5. Vita Salute San Raffaele University and IRCCS H San Raffaele, IBFM-CNR, Milano (literal)
Titolo
  • Latent profile analysis in frontotemporal lobar degeneration and related disorders: clinical presentation and SPECT functional correlates (literal)
Abstract
  • BACKGROUND: Frontotemporal Lobar Degeneration (FTLD) thus recently renamed, refers to a spectrum of heterogeneous conditions. This same heterogeneity of presentation represents the major methodological limit for the correct evaluation of clinical designation and brain functional correlates. At present, no study has investigated clinical clusters due to specific cognitive and behavioural disturbances beyond current clinical criteria. The aim of this study was to identify clinical FTLD presentation, based on cognitive and behavioural profile, and to define their SPECT functional correlations. METHODS: Ninety-seven FTLD patients entered the study. A clinical evaluation and standardised assessment were preformed, as well as a brain SPECT perfusion imaging study. Latent Profile Analysis on clinical, neuropsychological, and behavioural data was performed. Voxel-basis analysis of SPECT data was computed. RESULTS: Three specific clusters were identified and named \"pseudomanic behaviour\" (LC1), \"cognitive\" (LC2), and \"pseudodepressed behaviour\" (LC3) endophenotypes. These endophenotypes showed a comparable hypoperfusion in left temporal lobe, but a specific pattern involving: medial and orbitobasal frontal cortex in LC1, subcortical brain region in LC2, and right dorsolateral frontal cortex and insula in LC3. CONCLUSIONS: These findings provide evidence that specific functional-cluster symptom relationship can be delineated in FTLD patients by a standardised assessment. The understanding of the different functional correlates of clinical presentations will hopefully lead to the possibility of individuating diagnostic and treatment algorithms. (literal)
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