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PNR Weekly Digest: April 6, 2021
Items regarding COVID-19 information are indicated with an * In the Dragonfly: Understanding End-of-Life Matters Whether your focus of concern is on a family member or yourself, this April the NNLM Reading Club suggests three books that may help with your understanding of end-of-life matters and those conversations you probably have been putting off…read the post to see the book selections Professional Development: NNLM CE Opportunities: NNLM offers training on a variety of topics related to health information. A complete listing of NNLM educational opportunities is available. Please note you need to create an NNLM accou...
Source: Dragonfly - April 6, 2021 Category: Databases & Libraries Authors: Carolyn Martin Tags: PNR Weekly Digest Source Type: news

Beta Amyloid Deposition Is Not Associated With Cognitive Impairment in Parkinson's Disease
In this study, we used a well-validated visual assessment to clinically rate scans as being amyloid positive or negative (38). As there is not an accepted threshold based on standardized centiloid reference regions, we defined an amyloid positivity centiloid cut-off threshold in our sample. Our cut-off (CL = 31.3, SUVR = 1.21) corresponds well to the estimated value proposed by Rowe and colleagues (34) in the context of AD (CL = 25–30), however our estimated threshold may be biased by the low number of Aβ positive patients. Our results suggest a lower prevalence of amyloid-positive PDD individuals than in ...
Source: Frontiers in Neurology - April 23, 2019 Category: Neurology Source Type: research