Zeki Yuksel Gunaydin, Fahriye Feriha Ozer, Ahmet Karagoz, Osman Bektas, Mehmet Baran Karatas, Asli Vural, Adil Bayramoglu, Abdullah Celik, Mehmet Yaman. Evaluation of cardiovascular risk in patients with Parkinson disease under levodopa treatment[J]. Journal of Geriatric Cardiology, 2016, 13(1): 75-80. DOI: 10.11909/j.issn.1671-5411.2016.01.003
Citation: Zeki Yuksel Gunaydin, Fahriye Feriha Ozer, Ahmet Karagoz, Osman Bektas, Mehmet Baran Karatas, Asli Vural, Adil Bayramoglu, Abdullah Celik, Mehmet Yaman. Evaluation of cardiovascular risk in patients with Parkinson disease under levodopa treatment[J]. Journal of Geriatric Cardiology, 2016, 13(1): 75-80. DOI: 10.11909/j.issn.1671-5411.2016.01.003

Evaluation of cardiovascular risk in patients with Parkinson disease under levodopa treatment

  • Background Levodopa is the indispensable choice of medial therapy in patients with Parkinson disease (PD). Since L-dopa treatment was shown to increase serum homocysteine levels, a well-known risk factor for cardiovascular disorders, the patients with PD under L-dopa treatment will be at increased risk for future cardiovascular events. The objective of this study is to evaluate cardiovascular risk in patients with PD under levodopa treatment. Methods The study population consisted of 65 patients with idiopathic PD under L-dopa treatment. The control group included 32 age and gender matched individuals who had no cognitive decline. Echocardiographic measurements, serum homocysteine levels and elastic parameters of the aorta were compared between the patients with PD and controls. Results As an expected feature of L-dopa therapy, the Parkinson group had significantly higher homocystein levels (15.1 ± 3.9 μmol/L vs. 11.5 ± 3.2 μmol/L, P = 0.02). Aortic distensibility was significantly lower in the patients with PD when compared to controls (4.8 ± 1.5 dyn/cm2 vs. 6.2 ± 1.9 dyn/cm2, P = 0.016). Additionally, the patients with PD had higher aortic strain and aortic stiffness index (13.4% ± 6.4% vs. 7.4% ± 3.6%, P vs. 4.9 ± 1.9, P r = 0.674, P r = -0.602, P Conclusions The patients with PD under L-dopa treatment have increased aortic stiffness and impaired diastolic function compared to healthy individuals. Elevated serum homocysteine levels may be a possible pathophysiological mechanism.
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