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Koh Seong-Beom - - 2010
Most cardinal motor signs in Parkinson's disease (PD) are more pronounced on one side than on the other. Unusually, one type of cardinal motor sign is found on one side while other motor signs are more pronounced on the contralateral side, the so-called dissociation of motor signs. The aims of ...
Stockner Heike - - 2010
Essential tremor (ET) is the most common adult movement disorder. Especially in early stages the clinical differentiation between essential and Parkinsonian tremor may be a diagnostic challenge. Recent studies have consistently found hyperechogenic alterations in the area of the substantia nigra (SN) in patients with Parkinson's disease (PD) using transcranial ...
Taravari A - - 2010
The aim of this paper is to analyze the results of correlation of clinical symptoms and their characteristics with the results of neurophysiologic, neuropsycologic investigations and short genetic analyses in patients with Idiopathic Parkinson's disease (IPD). MATERIAL AND METHODS: The paper is a prospective and retrospective study of 15 IPD ...
Morishita Takashi - - 2010
Differentiating between Parkinson disease (PD) and idiopathic normal pressure hydrocephalus (INPH) can be challenging for the practicing clinician. Patients with undiagnosed PD but with incidental ventriculomegaly run the risk of being subjected to unnecessary shunt surgery. Taking a family history of PD and establishing the presence of motor symptoms (tremor, ...
Lebouvier Thibaud - - 2010
The presence of Lewy bodies and Lewy neurites (LN) has been demonstrated in the enteric nervous system (ENS) of Parkinson's disease (PD) patients. The aims of the present research were to use routine colonoscopy biopsies (1) to analyze, in depth, enteric pathology throughout the colonic submucosal plexus (SMP), and (2) ...
Ahmed Shiek S S J - - 2010
Parkinson's disease (PD) is the most common neurodegenerative disorder. The diagnosis of PD is challenging and currently none of the biochemical tests have proven to help in diagnosis. Serum metallomic analysis may suggest the possibility of diagnosis of PD. The metallomic analysis was targeted on 31 elements obtained from 42 ...
Hedera Peter - - 2010
There is an ongoing debate whether essential tremor (ET) represents a monosymptomatic disorder or other neurologic symptoms are compatible with the diagnosis of ET. Many patients with clinically definite ET develop dystonia. It remains unknown whether tremor associated with dystonia represent a subtype of ET. We hypothesized that ET with ...
Kawase Yuji - - 2010
Olfactory involvement is well recognized in patients with Parkinson's disease (PD). The purpose of this study was to examine smell function quantitatively, using different types and concentrations of odorants in PD patients. We aimed to elucidate whether a specific odor can affect the severity and duration of PD patients. A ...
Gil Lucia M LM Biomedical Instrumentation Laboratory, Institute of Biology Roberto Alcantara Gomes and Engineering Faculty, State University of Rio de Janeiro, Brazil. - - 2010
Tremor in Parkinson's disease (PD) is a fundamental feature used in the determination of disease onset and progression. Traditionally, tremor has been evaluated using frequency domain analysis. However, in many cases, this analysis did not show significant differences comparing healthy elders and individuals with PD. Given its complex nature, recently ...
Rissanen Saara M SM Department of Physics and Mathematics, University of Eastern Finland, Kuopio, - - 2010
In this paper, we examine the potential of electromyographic (EMG) and acceleration measurements in discriminating patients with Parkinson's disease (PD) from healthy persons. Two types of muscle contractions are examined: static contractions of biceps brachii muscles and elbow extension movements. Twelve features are extracted from static and ten features from ...
Hann Hie-Won HW Liver Disease Prevention Center, Division of Gastroenterology and Hepatology, Jefferson Medical College, Thomas Jefferson University Hospital, Philadelphia, PA, - - 2010
In this study, we examined the level of Golgi protein 73 (GP73) in the serum of 9 patients as a function of anti-liver cancer treatment. Although the numbers are small, a clear trend was observed. Patients who remained tumor free (up to 6 years post-treatment) showed reductions in GP73 at ...
Belcastro V - - 2010
Patients with Parkinson's disease (PD) and chronically treated with L-DOPA exhibit, in a percentage of 10-30%, supra-physiological levels of plasma total homocysteinemia (tHcy). In this study, we have investigated, in a group of hyper-homocysteinemic PD patients, the time of hyper-tHcy recurrence after discontinuation of 1-month folate supplementation given to normalize ...
Trachani Eftichia - - 2010
PURPOSE: To assess the impact of subthalamic nucleus (STN) deep brain stimulation (DBS) on the sweating function in patients with advanced Parkinson's disease (PD). METHODS: Nineteen patients with idiopathic PD (mean age+/-SD, 61.58+/-9.47) were examined immediately before and 6 months after DBS. Each examination session included registration of autonomic symptoms ...
D'Andrea Giovanni - - 2010
Recent evidence suggests that trace amines such as tyramine and octopamine, alternative products of tyrosine metabolism (an aminoacid parent of dopamine and noradrenaline), play a role in the homeostasis of the extrapyramidal system. However, the relevance of these trace amines in the pathogenesis of Parkinson's disease is still largely unknown. ...
Alty Jane E - - 2009
In this prospective study of 34 patients with Parkinson's disease (PD), measurements of the short duration levodopa motor response have been performed every 3 years in defined off states. The mean time from initiation of levodopa treatment was 14.8 years, and 17 patients survived to the latest assessment stage. Off ...
Korkmaz Cengiz - - 2011
Hyperuricemia and gout can be seen in patients with Paget's disease of bone (PD). This may be secondary to increased nucleic acid turnover in accelerated bone remodeling. It is unclear whether all PD patients should be evaluated for the presence of PD and gout in the same patient. In this ...
Ferraris Alessandro - - 2009
Hyposmia is a common nonmotor feature of Parkinson's disease (PD) and has been variably detected in monogenic Parkinsonisms. To assess olfactory dysfunction in PINK1-related Parkinsonism, we evaluated olfactory detection threshold, odor discrimination, and odor identification in five groups of subjects: sporadic PD (n = 19), PINK1 homozygous (n = 7), ...
Khadjevand Fatemeh - - 2010
Dopaminergic deficiency may affect Parkinson's disease patients (PD) in the central as well as the peripheral tissues. In the retina, the neuromodulatory role of the dopaminergic Interplexiform cell layer (IP) plays a major role in the retinal light adaptation and may account for the duration of the negative afterimage. Here ...
Butler Paul M - - 2010
Religion is central to the lives of billions of people worldwide. To probe processing dynamics of religious cognition and its potential brain correlates, we used a novel priming procedure to assess the integrity of religious and control semantic networks in patients with Parkinson's disease (PD) and controls. Priming for control, ...
Ibarretxe-Bilbao Naroa - - 2010
OBJECTIVE: To determine the course of cognitive deficits and the regional progression of brain atrophy in patients with Parkinson's disease (PD) with and without visual hallucinations (VH). METHODS: The authors performed MRI and neuropsychological assessment at entry to the study and at follow-up (mean+/-SD=29.91+/-5.74 months) in a sample of initially ...
Ponsen Mirthe M - - 2010
Objective Olfactory dysfunction is an early and common symptom in Parkinson disease (PD). Previously, the authors demonstrated that idiopathic olfactory dysfunction in first-degree relatives of PD patients is associated with an increased risk of developing PD within 2 years. The aim of the present study was to determine the value ...
Zhang Wei - - 2009
OBJECTIVE: To compare the phase radians in several cerebral regions between patients with Parkinson's disease (PD) and control subjects, and to evaluate whether iron deposition quantified by susceptibility-weighted imaging (SWI) is related to the severity of motor symptoms of PD. METHODS: SWI consisted of both magnitude and phase images from ...
Tanaka Yuji - - 2009
The mechanism underlying the motor fluctuations that develop after long-term L-dopa therapy is not fully known. It has been speculated that malabsorption of L-dopa from the small intestine occurs. It was reported that gastric retention in Parkinson's disease (PD) patients with motor fluctuations is increased as compared with that in ...
Afonso Luis - - 2009
BACKGROUND: Left main disease (LMD), defined as > or = 50% lesion stenosis, occurs in 3% to 5% of patients undergoing catheterization. Limited data on the value of single-photon emission computed tomography (SPECT) imaging for diagnosis of LMD exists. HYPOTHESIS: This study sought to evaluate the diagnostic accuracy of SPECT ...
Menezes C - - 2009
OBJECTIVE: To assess the influence of levodopa on swallowing dysfunction in Parkinson's disease patients. METHODS: A systematic review of the literature and a meta-analysis were performed. All studies referring to levodopa and swallowing dysfunction that provided direct data or data that could be transformed into mean +/- standard deviation were ...
Kumakura Yoshitaka - - 2010
PET studies with the DOPA decarboxylase substrate 6-[(18)F]fluoro-l-DOPA (FDOPA) reveal the storage of [(18)F]-fluorodopamine within synaptic vesicles, mainly of dopamine fibres. As such, FDOPA PET is a sensitive indicator of the integrity of the nigrostriatal dopamine innervation. Nonetheless, there have been several reports of focal elevations of FDOPA utilization in ...
Zoccolella S - - 2009
Background: Homocysteine (Hcy) exerts multiple neurotoxic mechanisms that have been linked to the pathogenesis of neurodegenerative disorders. Several studies observed elevated plasma Hcy levels in Parkinson's Disease (PD) patients treated with L-dopa, compared to healthy controls and to patients with other neurodegenetative disorders. Objective: We performed an overview of published ...
Choi Hoon Young - - 2010
BACKGROUND: Cardiovascular disease is the main cause of mortality in end-stage renal disease (ESRD) patients. Recent studies have indicated that non-traditional risk factors such as endothelial dysfunction (ED), chronic inflammation and protein-energy wasting (PEW) may contribute significantly to the increased cardiovascular mortality among dialysis patients. To further ascertain this association, ...
Bohnen N I - - 2009
To investigate the relationships between history of falls and cholinergic vs dopaminergic denervation in patients with Parkinson disease (PD). There is a need to explore nondopaminergic mechanisms of gait control as the majority of motor impairments associated with falls in PD are resistant to dopaminergic treatment. Alterations in cholinergic neurotransmission ...
Hedera Peter - - 2009
Previous reports have suggested that essential tremor (ET) represents a risk factor for the development of Parkinson's disease (PD). Patients with long-standing ET who develop PD tend to have a tremor-dominant subtype. To further clarify this association, we examined patients from kindreds with autosomal dominant ET who had signs of ...
Novellino Fabiana - - 2009
The cooccurrence of rest and postural tremor (mixed tremor) as the predominant clinical manifestation in patients who do not fulfill diagnostic established criteria for essential tremor (ET) or Parkinson's disease (PD) poses a clinical diagnostic challenge. Twenty-two patients with mixed tremor and additional mild extrapyramidal features, such as bradykinesia and ...
De Bonis Maria Luigia - - 2010
Hyperhomocysteinaemia was reported in patients with Parkinson's disease (PD) treated with l-Dopa. The increase in plasma concentration of this sulfur compound arises from the massive methylation of the drug operated by the enzyme catechol-O-methyltransferase (COMT), which acts as a powerful sink of methyl groups. The contemporary occurrence of C677T polymorphism ...
Bächlin Marc - - 2010
In this paper, we present a wearable assistant for Parkinson's disease (PD) patients with the freezing of gait (FOG) symptom. This wearable system uses on-body acceleration sensors to measure the patients' movements. It automatically detects FOG by analyzing frequency components inherent in these movements. When FOG is detected, the assistant ...
Salazar Gabriel - - 2010
OBJECTIVE: We occasionally observe cranial synkinesias that involve a lateral jaw movement ipsilateral to the horizontal gaze deviation in Parkinson's disease (PD) patients and normal subjects. We term this conjugated movement 'ocular-jaw synkinesia' (OJS). The clinical and electrophysiological features of OJS are described in this study. METHODS: Eighty-two subjects were ...
M?ller Thomas - - 2010
Instrumental motion assessment, i.e., peg insertion, gains importance as an addition to rating procedures to determine the efficacy of therapeutic interventions and to serve as diagnostic tool in patients with Parkinson's disease (PD). One of their motor features is disturbed execution of alternating motions. The objectives of the study were ...
Hampel Regina - - 2010
BACKGROUND AND OBJECTIVE: Air temperature changes are associated with increased cardiovascular and respiratory risk, but the roles of inflammatory and coagulation markers are not well understood. We investigated the associations between temperature and several blood markers in patients with coronary heart disease (CHD) and pulmonary disease (PD). METHODS: Two studies ...
Duez Danielle - - 2009
This study had two objectives. The first was to analyse the impact of Parkinson's disease (PD) on the duration of CV syllables and their components in different positions within phrases in French; the second was to examine the distribution of final lengthening (FL) on syllable sub-components. Two main tendencies emerged: ...
Avanzino Laura - - 2009
The cerebellum is involved in the generation of essential tremor (ET) and cerebellar timing function is altered in patients with ET showing an increased variability of rhythmic hand movements. Using a sensor-engineered glove, we evaluated motor behaviour during repetitive finger tapping movements in 15 patients with ET and in 11 ...
Landis Basile N - - 2009
OBJECTIVES/HYPOTHESIS: Orthonasal olfaction is severely altered in PD patients. Retronasal olfactory function has been shown to be preserved under certain conditions even in the absence of orthonasal function. This study was undertaken to investigate retronasal versus orthonasal olfactory function in Parkinson's disease (PD). STUDY DESIGN: Prospective study. METHODS: A total ...
Svehlík Martin - - 2009
OBJECTIVE: To compare time-distance, kinematic, and kinetic gait parameters in patients with idiopathic Parkinson's disease (PD) off dopaminergic therapy with a group of healthy control subjects. DESIGN: A group-comparison study. SETTING: Gait analysis laboratory. PARTICIPANTS: Patients with PD (n=20) and healthy age-matched controls (n=20). INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: ...
Fabbrini Giovanni - - 2009
We retrospectively investigated in consecutive Parkinson's disease (PD) outpatients the relationship between the body region in which LID first appeared and the body region where Parkinsonian motor symptoms started. We also studied the spread of LID and motor symptoms to other body parts during the progression of PD. Of the ...
Schlesinger Ilana - - 2009
Patients with Parkinson's disease (PD) may have pronounced tremor that exacerbates during stress. To determine whether PD tremor improves with relaxation guided imagery (RGI) and relaxing music. Twenty patients with PD with moderate to severe tremor participated in sessions where relaxation techniques were implemented. Tremor was objectively monitored using an ...
Schmidt Claudia - - 2009
Cardiovascular autonomic dysfunction has frequently been reported in some patients with extrapyramidal syndromes, especially multiple system atrophy (MSA) but also Parkinson's disease (PD). However, there are only few reports on the prevalence of cardiovascular autonomic dysfunction progressive in supranuclear palsy (PSP). Moreover, the relation of detailed cardiovascular testing and easy ...
Hanajima Ritsuko - - 2009
Postural tremor is a common initial symptom in spinal and bulbar muscular atrophy (SBMA), but its pathophysiological mechanisms remain to be studied. This study was undertaken to examine the physiological mechanisms underlying postural tremor in SBMA. For eight patients (36-63 years old) with genetically confirmed SBMA, we recorded surface electromyograms ...
Truong Linda - - 2009
To determine whether variable thalamic degeneration in Parkinson's disease (PD) contributes to less drug responsive clinical features. Formalin-fixed thalami from longitudinally followed patients with PD and early dystonia (N = 6), early falls (N = 5) or no dystonia or falls (N = 6) and age-matched controls without neuropathology (N ...
Peralta Cecilia M - - 2009
We aimed to investigate the prevalence of restless legs syndrome (RLS) according to essential diagnostic criteria, and to explore potential associations with clinical features, especially motor fluctuations, in a cohort of 113 patients with idiopathic Parkinson's disease (PD). Twenty-eight (24%) fulfilled essential diagnostic criteria for RLS. They were younger (63.1 ...
Takahashi Ryuichi - - 2010
OBJECTIVE: This study aimed to investigate the impact of parkinsonism on regional cerebral blood flow (rCBF) in dementia with Lewy bodies (DLB). METHOD: Forty-four probable DLB patients, comprising 13 patients without parkinsonism and 31 patients with parkinsonism, and 16 normal controls were selected for this study. We evaluated the rCBF ...
P?lhagen Sven - - 2010
The biochemical basis of major depression (MD) in Parkinson's disease (PD) is largely unknown. To increase our understanding of MD in PD patients, the levels of monoamine metabolites (HVA, 5-HIAA and MHPG), BDNF, orexin-A, IL-6 and corticosterone were examined in cerebrospinal fluid. The analyses were performed in MD patients with ...
Iselin-Chaves I A - - 2009
Various movement disorders such as dystonia may acutely develop during or at emergence from general anaesthesia in patients with or without pre-existing Parkinson disease. These movements are triggered by a variety of drugs including propofol, sevoflurane, anti-emetics, antipsychotics and opioids. The postulated mechanism involves an imbalance between dopaminergic and cholinergic ...
Stockner Heike - - 2009
Recent studies have reported an increased risk to develop Parkinson's disease (PD) in patients with idiopathic RBD (iRBD). Midbrain hyperechogenicity is a common transcranial sonography (TCS) finding in PD and has been suggested as a PD risk-marker in nonparkinsonian subjects. The objective of this study is to assess midbrain echogenicity ...
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