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Comparing ATN-T des...
Comparing ATN-T designation by tau PET visual reads, tau PET quantification, and CSF PTau181 across three cohorts
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- Provost, Karine (författare)
- University of California, San Francisco
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- Iaccarino, Leonardo (författare)
- University of California, San Francisco
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- Soleimani-Meigooni, David N. (författare)
- Lawrence Berkeley National Laboratory,University of California, San Francisco
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- Baker, Suzanne (författare)
- Lawrence Berkeley National Laboratory
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- Edwards, Lauren (författare)
- University of California, San Francisco
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- Eichenlaub, Udo (författare)
- Roche Diagnostics, Germany
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- Hansson, Oskar (författare)
- Lund University,Lunds universitet,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,Clinical Memory Research,Lund University Research Groups
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- Jagust, William (författare)
- University of California, Berkeley,Lawrence Berkeley National Laboratory
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- Janabi, Mustafa (författare)
- Lawrence Berkeley National Laboratory
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- La Joie, Renaud (författare)
- University of California, San Francisco
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- Lesman-Segev, Orit (författare)
- University of California, San Francisco
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- Mellinger, Taylor J. (författare)
- University of California, San Francisco
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- Miller, Bruce L. (författare)
- University of California, San Francisco
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- Ossenkoppele, Rik (författare)
- Lund University,Lunds universitet,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,Clinical Memory Research,Lund University Research Groups,Amsterdam UMC - Vrije Universiteit Amsterdam,Vrije Universiteit Amsterdam
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- Pham, Julie (författare)
- University of California, San Francisco
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- Smith, Ruben (författare)
- Lund University,Lunds universitet,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,Clinical Memory Research,Lund University Research Groups
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- Sonni, Ida (författare)
- University of California, Los Angeles,Lawrence Berkeley National Laboratory
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- Strom, Amelia (författare)
- University of California, San Francisco
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- Mattsson-Carlgren, Niklas (författare)
- Lund University,Lunds universitet,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,WCMM- Wallenberg center för molekylär medicinsk forskning,Medicinska fakulteten,Clinical Memory Research,Lund University Research Groups,WCMM-Wallenberg Centre for Molecular Medicine,Faculty of Medicine,Skåne University Hospital
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- Rabinovici, Gil D. (författare)
- Lawrence Berkeley National Laboratory,University of California, Berkeley,University of California, San Francisco
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(creator_code:org_t)
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- 2021-01-04
- 2021
- Engelska 13 s.
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Ingår i: European Journal of Nuclear Medicine and Molecular Imaging. - : Springer Science and Business Media LLC. - 1619-7070 .- 1619-7089. ; 48:7, s. 2259-2271
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Purpose: To compare rates of tau biomarker positivity (T-status) per the 2018 Alzheimer’s Disease (AD) Research Framework derived from [18F]flortaucipir (FTP) PET visual assessment, FTP quantification, and cerebrospinal fluid (CSF) phosphorylated Tau-181 (PTau181). Methods: We included 351 subjects with varying clinical diagnoses from three cohorts with available FTP PET and CSF PTau181 within 18 months. T-status was derived from (1) FTP visual assessment by two blinded raters; (2) FTP standardized uptake value ratio (SUVR) quantification from a temporal meta-ROI (threshold: SUVR ≥1.27); and (3) Elecsys® Phospho-Tau (181P) CSF (Roche Diagnostics) concentrations (threshold: PTau181 ≥ 24.5 pg/mL). Results: FTP visual reads yielded the highest rates of T+, while T+ by SUVR increased progressively from cognitively normal (CN) through mild cognitive impairment (MCI) and AD dementia. T+ designation by CSF PTau181 was intermediate between FTP visual reads and SUVR values in CN, similar to SUVR in MCI, and lower in AD dementia. Concordance in T-status between modality pairs ranged from 68 to 76% and varied by clinical diagnosis, being highest in patients with AD dementia. In discriminating Aβ + MCI and AD subjects from healthy controls and non-AD participants, FTP visual assessment was most sensitive (0.96) but least specific (0.60). Specificity was highest with FTP SUVR (0.91) with sensitivity of 0.89. Sensitivity (0.73) and specificity (0.72) were balanced for PTau181. Conclusion: The choice of tau biomarker may differ by disease stage and research goals that seek to maximize sensitivity or specificity. Visual interpretations of tau PET enhance sensitivity compared to quantification alone, particularly in early disease stages.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Radiologi och bildbehandling (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Radiology, Nuclear Medicine and Medical Imaging (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
Nyckelord
- Alzheimer’s disease
- Biomarkers
- CSF
- Flortaucipir
- PET
- Tau
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Provost, Karine
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Iaccarino, Leona ...
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Soleimani-Meigoo ...
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Baker, Suzanne
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Edwards, Lauren
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Eichenlaub, Udo
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visa fler...
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Hansson, Oskar
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Jagust, William
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Janabi, Mustafa
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La Joie, Renaud
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Lesman-Segev, Or ...
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Mellinger, Taylo ...
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Miller, Bruce L.
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Ossenkoppele, Ri ...
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Pham, Julie
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Smith, Ruben
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Sonni, Ida
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Strom, Amelia
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Mattsson-Carlgre ...
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Rabinovici, Gil ...
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