2020
DOI: 10.1186/s41983-020-00205-z
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Abstract: Background Olfactory dysfunction (OD) is a well-established nonmotor manifestations (NMM) of Parkinson disease (PD) which needs objective assessment for better understanding of the disease pathogenesis. The aim of this work was quantitative and qualitative assessment of olfactory performance in newly diagnosed PD patients. Methods This study was performed on 32 recently diagnosed PD patients and 24 healthy controls subjects (HCS) submitted to unified Parkinson’s disease rating scale–III (UPDRS–III), extended … Show more

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Cited by 3 publications
(3 citation statements)
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“…20 Olfactory dysfunction is a well-established NMS of Parkinson's disease. 11 Identification of Odor is an easy, however, valuable instrument that helps in differentiating Parkinson's disease from other parkinsonism causes. Though smells are based on cultural differences, thus test methods have to be modified to regional circumstances as well as habits in which they are envisioned for utilize.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…20 Olfactory dysfunction is a well-established NMS of Parkinson's disease. 11 Identification of Odor is an easy, however, valuable instrument that helps in differentiating Parkinson's disease from other parkinsonism causes. Though smells are based on cultural differences, thus test methods have to be modified to regional circumstances as well as habits in which they are envisioned for utilize.…”
Section: Discussionmentioning
confidence: 99%
“…10 Olfactory dysfunction is a well-established NMS of Parkinson's disease. 11 It is the dysfunction that could be from a mildly reduced sense of the smell (hyposmia) to entire smell loss (anosmia). 12 Anosmia is commonly observed in the PD, 13 although it is also quite common in older age 14 and mostly takes place early during the period of the disease.…”
Section: Introductionmentioning
confidence: 99%
“…The odor disturbances of the brain may be caused by neurodegenerative process or by inflamation. In view of the fact that the odor threshold may be the response of the peripheral olfactory part, it may be related to inflammation, discrimination and recognition; the cortex may be affected by neurodegenerative changes [30].…”
Section: Decreased Discriminationmentioning
confidence: 99%