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Performance of a cost-effective olfactory test to evaluate hyposmia in Parkinson's disease patients

Overview of attention for article published in Arquivos de Neuro-Psiquiatria, May 2024
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Title
Performance of a cost-effective olfactory test to evaluate hyposmia in Parkinson's disease patients
Published in
Arquivos de Neuro-Psiquiatria, May 2024
DOI 10.1055/s-0044-1787139
Pubmed ID
Authors

Josevânia Fulgêncio de Lima Arruda, Liene Duarte Silva, Rodrigo Tavares Brisson, Gabriel de Castro Micheli, Marco Antônio Sales Dantas de Lima, Ana Lucia Zuma de Rosso, Rita de Cássia Leite Fernandes

Abstract

 Parkinson's disease (PD) causes motor and non-motor symptoms such as hyposmia, which is evaluated through olfactory tests in the clinical practice.  To assess the feasibility of using the modified Connecticut Chemosensory Clinical Research Center (mCCCRC) olfactory test and to compare its performance with the Sniffin' Sticks-12 (SS-12, Burghart Messtechnik GmbH, Wedel, Germany) test.  A transversal case-control study in which the patients were divided into the PD group (PDG) and the control group (CG). The cost and difficulty in handling substances to produce the mCCCRC test kits were evaluated. Sociodemographic characteristics, smoking habits, past coronavirus disease 2019 (COVID-19) infections, self-perception of odor sense, and cognition through the Montreal Cognitive Assessment (MoCA) were also evaluated. The PDG was scored by part III of the Unified Parkinson's Disease Rating Scale (UPDRS-III) and the Hoehn and Yahr Scale (H&Y) scale. Correlations were assessed through the Spearman rank correlation coefficient test (ρ, or rho).  The mCCCRC test was easily manufactured and handled at a cost ten times lower compared with the SS-12. The groups (PDG: n = 34; CG: n = 38) were similar in terms of age, sex, level of schooling, smoking habits, and history of COVID-19. The tests results showed moderate correlation (rho = 0.65; p < 0.0001). The CG presented better cognitive performance and scored better in both tests (p < 0.0001). There was a tendency for a negative correlation with age, but good correlation with the MoCA (p = 0.0029). The results of the PDG group showed no correlation with olfactory results and motor performance or disease duration. The self-perception of hyposmia was low in both groups.  The mCCCRC is an easy-to-apply and inexpensive method that demonstrated a similar performance to that of the SS-12 in evaluating olfaction in PD patients and healthy controls.

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Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 30 May 2024.
All research outputs
#17,742,003
of 26,007,325 outputs
Outputs from Arquivos de Neuro-Psiquiatria
#771
of 1,388 outputs
Outputs of similar age
#74,766
of 149,752 outputs
Outputs of similar age from Arquivos de Neuro-Psiquiatria
#1
of 2 outputs
Altmetric has tracked 26,007,325 research outputs across all sources so far. This one is in the 21st percentile – i.e., 21% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,388 research outputs from this source. They receive a mean Attention Score of 4.0. This one is in the 30th percentile – i.e., 30% of its peers scored the same or lower than it.
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We're also able to compare this research output to 2 others from the same source and published within six weeks on either side of this one. This one has scored higher than all of them