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ABSTRACT: The aim of this study was to estimate the prevalence and risk factors for the development of hallucinations in patients with Parkinson's disease (PD). This cross-sectional study included 180 consecutive, non-demented patients with PD. Out of them, 24 patients (13%) experienced some kind of hallucinations. Visual hallucinations were present in 22/24 (90%) subjects. Univariate logistic regression analysis has shown relationship between presence of hallucinations and the following variables: age of patients (p = 0.025), PD duration (p = 0.001), duration of levodopa treatment (p = 0.001), total daily dose of levodopa (p = 0.033), presence of levodopa-induced dyskinesia (p = 0.002) and their duration (p = 0.021), and experience of nightmares (p = 0.042). Hallucinations were also associated with higher scores of the UPDRS (p = 0.001), HDRS (p = 0.001) and the NPI total score (p = 0.001), and higher H-Y stages of the disease (p = 0.001). Multivariate regression analysis has demonstrated that the duration of PD (p = 0.024) as well as NPI total score (p = 0.002) was significant independent risk factors for hallucinations in PD.
Acta neurologica Belgica 03/2012; 112(1):33-7. · 0.54 Impact Factor
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ABSTRACT: Hemiballism is a relatively rare hyperkinetic disorder with unknown incidence. Stroke is the most common cause of hemiballism (vascular hemiballism), responsible for the disorder in 50% to 100% of cases. We studied the incidence of vascular hemiballism in the population of Belgrade (Serbia) 40 years of age or older during the period 1 January 1991 to 31 December 2002. During that time period, 37 patients with hemiballism due to stroke were diagnosed. The annual incidence rates varied from 0.14 to 0.87/100,000 (average 0.45/100,000) of general population.
Movement Disorders 01/2005; 19(12):1469-72. · 4.51 Impact Factor
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ABSTRACT: The aim of this cross-sectional study was to estimate the prevalence of different subtypes of idiopathic focal dystonia in the population of Belgrade (Serbia), Yugoslavia. On December 31, 2001, the crude prevalence of all studied types of dystonia (focal, segmental, and multifocal) in Belgrade was 13.6 per 100,000 population (11.8 per 100,000 for men and 15.2 per 100,000 for women). Type-specific prevalence for focal dystonia was 11.2 per 100,000. The prevalence for cervical dystonia, blepharospasm, writer's cramp and laryngeal dystonia were 5.9 per 100,000, 1.9 per 100,000, 1.9 per 100,000, and 1.1 per 100,000, respectively.
Movement Disorders 12/2003; 18(11):1389-92. · 4.51 Impact Factor
