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Article type: Research Article
Authors: Kotagal, Vikasa; b; * | Albin, Roger L.a; b; c | Müller, Martijn L.T.Mc; d | Bohnen, Nicolaas I.a; b; c; d
Affiliations: [a] Department of Neurology, University of Michigan, Ann Arbor, MI, USA | [b] Neurology Service and GRECC, VAAAHS, Ann Arbor, MI, USA | [c] University of Michigan Morris K. Udall Center of Excellence for Parkinson’s Disease Research, Ann Arbor, MI, USA | [d] Department of Radiology, University of Michigan, Ann Arbor, MI, USA
Correspondence: [*] Correspondence to: Vikas Kotagal, MD, MS, Building 14, IHPI, UM North Campus Research Complex, 2800 Plymouth Road, Ann Arbor, MI 48109, USA. Tel.: +1 734 763 3776; Fax: +1 734 615 4991; E-mail: [email protected].
Abstract: Background:Medical comorbidities, including cardiovascular risk factors such as hypertension and diabetes, influence disease progression in Parkinson disease (PD) and may be variably present in different clinical populations. Objective/Methods:We conducted a retrospective nested case-control study of 29 Veterans with PD and 29 non-Veteran PD controls. The groups were matched for age, gender, and disease duration. Both groups underwent clinical and imaging testing as part of their participation in a larger cross-sectional PD observational study at our research center. Veterans were recruited primarily from movement disorders neurology clinics at the Ann Arbor Veterans Affairs (VA) Health System. Non-Veterans were recruited primarily from analogous clinics at the University of Michigan Health System. We explored differences in cardiovascular risks factor burden between the groups. Results:Veterans with PD showed higher scores on the simplified Framingham 10-year general cardiovascular disease risk calculator (FR score; 27.3% (11.5) vs. 20.7% (6.8); t = –2.66, p = 0.011) and fewer years of self-reported education (14.5 (2.5) vs. 16.7 (2.6); t = 3.33, p = 0.002). After adjusting for age, disease duration, education, and the use of antihypertensive medications, Veterans showed higher FR scores (t = 2.95, p = 0.005) and a higher intra-subject ratio of FR score to age-and-gender normalized FR score (t = 2.49, p = 0.016), representing an elevated component of modifiable cardiovascular risk factor burden. Conclusion:Cardiovascular comorbidities are common in Veterans with PD and may be more severe than in non-Veteran PD populations. These findings merit replication in other representative cohorts. Veterans may be a preferred population for clinical trials evaluating cardiovascular risk factor management on PD progression.
Keywords: Accidental falls, hypertension, Parkinson disease, veterans, white matter
DOI: 10.3233/JPD-171271
Journal: Journal of Parkinson's Disease, vol. 8, no. 1, pp. 153-160, 2018
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