Mild Parkinsonian Signs are Associated with Lower Olfactory Test Scores in the Community-dwelling Elderly
Identifieur interne : 001F86 ( Ncbi/Curation ); précédent : 001F85; suivant : 001F87Mild Parkinsonian Signs are Associated with Lower Olfactory Test Scores in the Community-dwelling Elderly
Auteurs : Elan D. Louis [États-Unis] ; Karen Marder [États-Unis] ; Matthias H. Tabert [États-Unis] ; D. P. Devanand [États-Unis]Source :
- Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 2008.
English descriptors
- KwdEn :
- Aged, Aged, 80 and over, Dementia (diagnosis), Dementia (epidemiology), Diagnosis, Differential, Female, Follow-Up Studies, Humans, Male, Movement Disorders (diagnosis), Movement Disorders (epidemiology), Olfaction Disorders (diagnosis), Olfaction Disorders (epidemiology), Parkinsonian Disorders (diagnosis), Parkinsonian Disorders (physiopathology), Prevalence, Residence Characteristics, Severity of Illness Index.
- MESH :
- diagnosis : Dementia, Movement Disorders, Olfaction Disorders, Parkinsonian Disorders.
- epidemiology : Dementia, Movement Disorders, Olfaction Disorders.
- physiopathology : Parkinsonian Disorders.
- Aged, Aged, 80 and over, Diagnosis, Differential, Female, Follow-Up Studies, Humans, Male, Prevalence, Residence Characteristics, Severity of Illness Index.
Abstract
Mild Parkinsonian signs (MPS, impaired gait, rigidity, bradykinesia, rest tremor) are commonly found during the clinical examination of older people and may be a precursor to Parkinson’s disease (PD) or Alzheimer’s disease (AD). Marked deficits in olfaction occur in PD and AD.
To determine whether University of Pennsylvania Smell Test (UPSIT) scores were lower in non-demented community-dwelling elderly with vs. without MPS.
Non-demented persons age ≥65 years without PD in Washington Heights-Inwood, NY were evaluated with an abbreviated motor Unified Parkinson’s Disease Rating Scale and a 40-item UPSIT. Lower UPSIT and higher transformed UPSIT score (square root [UPSIT — 41]) indicated greater olfactory dysfunction.
One-hundred-seventy-seven (16.4%) of 1,078 participants had MPS. Mean UPSIT scores (MPS vs. without MPS) were 24.3±7.1 vs. 26.4±6.8, p< 0.001. In a logistic regression analysis adjusting for age and education, transformed UPSIT score was associated with MPS (OR 1.25, 95% CI 1.04 – 1.52, p = 0.02). In an adjusted logistic regression analysis, participants with higher transformed UPSIT scores (based on a median split) were 1.55 times more likely to have MPS than were those with lower scores (p = 0.01). Within transformed UPSIT score quartiles, the odds of having MPS were 1.0 (reference), 1.35, 2.02, and 2.20 (p < 0.05). The association with transformed UPSIT scores was similar across MPS sub-types (axial dysfunction, rigidity, tremor).
MPS were associated with a mild reduction in olfactory function. These observations further support the view of MPS as a marker of emerging degenerative brain pathologies.
Url:
DOI: 10.1002/mds.21777
PubMed: 18098296
PubMed Central: 2679986
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<author><name sortKey="Tabert, Matthias H" sort="Tabert, Matthias H" uniqKey="Tabert M" first="Matthias H." last="Tabert">Matthias H. Tabert</name>
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<series><title level="j">Movement disorders : official journal of the Movement Disorder Society</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term>
<term>Aged, 80 and over</term>
<term>Dementia (diagnosis)</term>
<term>Dementia (epidemiology)</term>
<term>Diagnosis, Differential</term>
<term>Female</term>
<term>Follow-Up Studies</term>
<term>Humans</term>
<term>Male</term>
<term>Movement Disorders (diagnosis)</term>
<term>Movement Disorders (epidemiology)</term>
<term>Olfaction Disorders (diagnosis)</term>
<term>Olfaction Disorders (epidemiology)</term>
<term>Parkinsonian Disorders (diagnosis)</term>
<term>Parkinsonian Disorders (physiopathology)</term>
<term>Prevalence</term>
<term>Residence Characteristics</term>
<term>Severity of Illness Index</term>
</keywords>
<keywords scheme="MESH" qualifier="diagnosis" xml:lang="en"><term>Dementia</term>
<term>Movement Disorders</term>
<term>Olfaction Disorders</term>
<term>Parkinsonian Disorders</term>
</keywords>
<keywords scheme="MESH" qualifier="epidemiology" xml:lang="en"><term>Dementia</term>
<term>Movement Disorders</term>
<term>Olfaction Disorders</term>
</keywords>
<keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Parkinsonian Disorders</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Aged</term>
<term>Aged, 80 and over</term>
<term>Diagnosis, Differential</term>
<term>Female</term>
<term>Follow-Up Studies</term>
<term>Humans</term>
<term>Male</term>
<term>Prevalence</term>
<term>Residence Characteristics</term>
<term>Severity of Illness Index</term>
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<front><div type="abstract" xml:lang="en"><sec id="S1"><title>Background</title>
<p id="P1">Mild Parkinsonian signs (MPS, impaired gait, rigidity, bradykinesia, rest tremor) are commonly found during the clinical examination of older people and may be a precursor to Parkinson’s disease (PD) or Alzheimer’s disease (AD). Marked deficits in olfaction occur in PD and AD.</p>
</sec>
<sec id="S2"><title>Objective</title>
<p id="P2">To determine whether University of Pennsylvania Smell Test (UPSIT) scores were lower in non-demented community-dwelling elderly with vs. without MPS.</p>
</sec>
<sec sec-type="methods" id="S3"><title>Methods</title>
<p id="P3">Non-demented persons age ≥65 years without PD in Washington Heights-Inwood, NY were evaluated with an abbreviated motor Unified Parkinson’s Disease Rating Scale and a 40-item UPSIT. Lower UPSIT and higher transformed UPSIT score (square root [UPSIT — 41]) indicated greater olfactory dysfunction.</p>
</sec>
<sec id="S4"><title>Results</title>
<p id="P4">One-hundred-seventy-seven (16.4%) of 1,078 participants had MPS. Mean UPSIT scores (MPS vs. without MPS) were 24.3±7.1 vs. 26.4±6.8, p< 0.001. In a logistic regression analysis adjusting for age and education, transformed UPSIT score was associated with MPS (OR 1.25, 95% CI 1.04 – 1.52, p = 0.02). In an adjusted logistic regression analysis, participants with higher transformed UPSIT scores (based on a median split) were 1.55 times more likely to have MPS than were those with lower scores (p = 0.01). Within transformed UPSIT score quartiles, the odds of having MPS were 1.0 (reference), 1.35, 2.02, and 2.20 (p < 0.05). The association with transformed UPSIT scores was similar across MPS sub-types (axial dysfunction, rigidity, tremor).</p>
</sec>
<sec id="S5"><title>Conclusions</title>
<p id="P5">MPS were associated with a mild reduction in olfactory function. These observations further support the view of MPS as a marker of emerging degenerative brain pathologies.</p>
</sec>
</div>
</front>
</TEI>
</record>
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