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Comorbid conditions associated with Parkinson's disease: A longitudinal and comparative study with Alzheimer disease and control subjects.

Abstract：

BACKGROUND AND OBJECTIVE:To study what comorbid conditions were present at baseline and 3years later in a cohort of Spanish Parkinson's disease (PD) patients, to compare comorbidity with both Alzheimer's disease (AD) and control groups and to analyze the role of comorbidity as predictor of mortality. METHODS:One hundred and forty-seven non-demented PD patients (57.1% males; 70.9±8.6years old) were included in this 36months follow-up (2012-2015), monocenter, evaluation study. The International Classification of Diseases, Tenth Revision (ICD-10), Charlson Index (CI), Comorbidity-Polypharmacy Score (CPS) and Elixhauser Comorbidity Measure (ECM) were used to assess comorbidity at baseline and at 3years. Forty-four AD patients and 44 control subjects were included as comparator groups. RESULTS:Total number of comorbidities (ICD-10) and polypharmacy at baseline were higher in PD and AD patients than controls (4.4±2.3 vs 5.2±2.4 vs 3.4±1.9 [p=0.001] and 81.6% vs 75% vs 56.8% [p=0.003], respectively). Diseases of the circulatory system (ICD-10/chapter-IX) and endocrine, nutritional and metabolic diseases (ICD-10/chapter-IV) were the most frequent in all groups. There was a significant increase in comorbidity (mean, +1.6±2.8) in all groups (p<0.0001) without differences between them. Seventeen patients died and 8 cases were did not follow-up. Comorbidity was a predictor of death in PD patients after adjust for other covariates (including age, sex, disease duration, disease stage, motor status and non-motor symptoms): ICD-10 (total number of comorbidities), hazard ratio 1.285 (95% confidence interval, 1.047-1.577; p=0.017); CI, hazard ratio 1.462 (95% confidence interval, 1.045-2.047; p=0.027). CONCLUSIONS:Comorbidity is frequent in PD patients, increases significantly over time and predicts mortality.

journal_name

J Neurol Sci

journal_title

Journal of the neurological sciences

authors

Santos García D,Suárez Castro E,Expósito I,de Deus T,Tuñas C,Aneiros A,López Fernández M,Núñez Arias D,Bermúdez Torres M

doi

10.1016/j.jns.2016.12.046

subject

Has Abstract

pub_date

2017-02-15 00:00:00

pages

210-215

eissn

0022-510X

issn

1878-5883

pii

S0022-510X(16)30839-5

journal_volume

373

pub_type

杂志文章

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Comorbid conditions associated with Parkinson's disease: A longitudinal and comparative study with Alzheimer disease and control subjects.