R Pahwa

..The basic programming algorithms for thalamic, subthalamic, and pallidal stimulation in PD are explained and summarized in flowcharts...

..With chronic levodopa therapy, patients ultimately experience a wearing off in levodopa response and other motor complications. Management of wearing off is a significant challenge in the treatment of patients with advanced PD...

..We conclude that the majority of the ET patients do not benefit from mirtazapine. Mirtazapine has significant adverse effects and should be used cautiously in ET patients...

..To further explore the efficacy and safety of subcutaneous apomorphine (APO) in treating off episodes in APO-naïve patients with advanced Parkinson's disease (PD)...

..We describe a patient with disabling medication-resistant midbrain tremor developed after partial hemangioma resection, who responded to deep brain stimulation of the thalamus...

..To evaluate the efficacy of ropinirole 24-hour prolonged release (ropinirole 24-hour) as an adjunct to levodopa in patients with Parkinson disease (PD) and motor fluctuations...

..Bilateral subthalamic nucleus (STN) stimulation is increasingly used in patients with advanced Parkinson disease (PD). This study was performed to evaluate the long-term efficacy and safety of bilateral STN stimulation in cases of PD...

..Younger age and a response to a supra-threshold levodopa challenge have been reported to predict a favorable response to bilateral subthalamic nucleus (STN) stimulation...

..A once-daily formulation of ropinirole is currently in development that has the potential for greater convenience, improved tolerability and greater efficacy...

..Patients with medication-resistant tremor may benefit from thalamotomy or deep brain stimulation of the thalamus. The use of medical and surgical therapies can provide benefit in up to 80% of patients with essential tremor...

..To determine the safety and efficacy of bilateral thalamic stimulation in the treatment of essential tremor (ET)...

..The aim of this study was to evaluate the long-term safety and efficacy of DBS of the ventralis intermedius nucleus (VIM) of the thalamus for PD and ET...

..Future studies need to determine whether or not there is a potential negative effect of STN DBS on the postural control...

..Ropinirole prolonged-release delayed the onset of dyskinesia with comparable efficacy to increased doses of levodopa in early PD patients not optimally controlled with levodopa...

..However, this therapy is compromised by loss of efficacy in some patients and device complications which increase the risk of additional surgical procedures...

..Results suggest that neurosurgical interventions for PD improve disabling PD motor symptoms and also improve several domains of quality of life...

..In conclusion, unilateral DBS of the thalamus has long term efficacy for treatment of tremor due to Parkinson's disease...

..We conclude that istradefylline is well tolerated and significantly reduces OFF time as an adjunct to levodopa in PD subjects with motor fluctuations...

..To quantify the effects of deep brain stimulation (DBS) of globus pallidus interna (GPi) and subthalamic nucleus (STN) on motor fluctuations and dyskinesia in PD and to determine how the response to levodopa was modified by DBS...

..Lesions were consistently localized anterior and superior to the starting point and a refined starting point algorithm may reduce the number of microelectrode recording tracts...

..This procedure may control all PD symptoms, and the dose of levodopa can often be dramatically reduced. Neurotransplantation is a promising surgical approach to PD. However, further investigation is needed to optimize this approach...

..03). Despite less "off" time with CLE, both formulations demonstrated similar mean PK values and marked intersubject PK variability...

..It is concluded that DBS significantly improved the performance of patients with advanced PD in gait initiation...

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..In conclusion, although levodopa responsiveness is the best predictor for outcome after STN DBS, carefully selected PD patients intolerant to levodopa can have significant improvement...

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..5. Preoperative response to levodopa predicts better outcome after DBS of the STN (Level B)...

..Rather, our data may contribute to further defining safe MRI scanning parameters that might ultimately be adopted in future product labeling as more centers report in detail their experiences...

..A conversion ratio of 1 mg of pramipexole to 4 mg of ropinirole PR resulted in the fewest discontinuations of ropinirole PR, the fewest dose adjustments and the largest percentage of subjects that preferred ropinirole PR...

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..The initial complication is commonly wearing-off, which is the re-emergence of motor and non-motor symptoms before the next scheduled levodopa dose...

..To assess the surgical and hardware complications in a series of 81 consecutive patients undergoing subthalamic (STN) deep brain stimulation (DBS) for Parkinson disease (PD)...

..The best way to initiate dopaminergic therapy for early Parkinson disease remains unclear...

..Several new drugs, including 1-octanol, sodium oxybate, dimethoxymethyl-diphenyl-barbituric acid (T-2000) and carisbamate, are currently under investigation for the treatment of essential tremor...

..This study evaluates the effects of sequential tui na massage, acupuncture, and instrument-delivered qigong for patients with Parkinson disease (PD) over a 6-month period...

..Side effects, paresthesias, sedation, headaches, and gastrointestinal symptoms were common. Only two patients elected to remain on the drug after the study. Methazolamide has only limited efficacy in the treatment of essential tremor...

..Part II was a multicenter study to assess the correlation of FLASQ-PD scores. The results of this study suggest that the FLASQ-PD may be a useful triage tool for screening PD patients for DBS surgery...

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..Safety and tolerability data are also reviewed. Part 2 of the article reviews key findings relevant to the assessment of potential neuroprotective therapies and the treatment of non-motor symptoms...

..To determine if levetiracetam is efficacious in the treatment of essential tremor...

..Deep brain stimulation of the thalamus is a safe and efficacious procedure and should be considered in patients with ET who experience medication-resistant disabling tremor...

..The use of medication and/or surgery can provide adequate tremor control in the majority of the patients...

..To examine the safety and efficacy of targeted stimulation of the motor cortex as a treatment for essential tremor (ET)...

..In the medication on state there were no significant improvements in freezing. CONCLUSION: Off period freezing of gait is significantly improved with STN DBS up to 24 months; however, on period freezing is not affected by STN DBS...

..Part 2 of the article, presented here, reviews key data relevant to the assessment of potential neuroprotective therapies and the treatment of non-motor symptoms...

..Complications associated with DBS are related to the experience of the surgical center. Referring physicians and patients should be aware of the number of surgical procedures and complication rates of any prospective surgical center...

..Six cases (60%) had Lewy bodies vs 2 controls (16.7%) (odds ratio 7.5, 95% CI 1.04 to 54.1; p = 0.035). Four of these six had an atypical distribution of brainstem Lewy bodies. ET may be pathologically heterogeneous...

..While the MoCA is sensitive, it may be too stringent in overclassifying PD patients as impaired...

..We found the investigators' level of confidence in these agents had no effect on the time to symptomatic therapy or on the change in UPDRS during 12 months of treatment...

..This article reviews and summarizes published recommendations for the clinical diagnosis of PD...

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..This manuscript briefly reviews the current pharmacological treatment options for PD and provides a more detailed review of the currently available data regarding ropinirole prolonged release as a treatment option for PD...

..This open-label study was performed to evaluate the efficacy and tolerability of levetiracetam for levodopa-induced dyskinesia and its effect on motor functioning and quality of life in Parkinson disease (PD) patients...

..We sought to develop an ET-specific measure that might be more sensitive, acceptable to patients, relatively brief, and easily used...

..Second, thalamic DBS provides tremor benefit in a graded manner and is not an all-or-nothing phenomenon...

..To determine the long-term efficacy and safety of globus pallidus internus (GPi) stimulation for Parkinson's disease (PD)...

..We investigated the potential contribution of mtDNA variants or mutations to the risk of PD...

..Melanoma occurrence in our PD patients was greater than predicted compared with the general population and was unrelated to dopaminergic therapy. Clinical surveillance of PD patients for melanoma may be warranted...

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..Electronic diaries could be operated by PD patients, provided valuable information about response patterns and resulted in average response compliance of approximately 1h...

..Because depression is a potent correlate of QOL, and STN-DBS may be associated with changes in mood, this study sought to determine whether QOL improvement is a direct or indirect consequence of motor improvement...

..Findings indicate that although relatively higher PW settings might afford optimal tremor control in some patients, the corresponding risk of mild, probably often subclinical, cognitive morbidity must be weighed accordingly...

..3%, 2.6%, and 2.9% of the placebo, 0.5-mg, and 1.0-mg rasagiline groups, respectively. These data demonstrate that rasagiline did not induce postprandial hypertension in patients with Parkinson disease who were on an unrestricted diet...

..It outlines answers to a series of questions developed to address all aspects of deep brain stimulation preoperative decision-making...

..This study assessed adjunctive Zelapar (selegiline orally disintegrating tablet (ODT)) for managing off episodes and for long-term safety...

..In patients experiencing motor fluctuations, a major treatment challenge is the reduction of "off" time, particularly upon awakening. Rotigotine (Neupro) is a novel dopaminergic agonist with 24-hour transdermal delivery...

..The majority have cerebellar changes without Lewy bodies; a smaller proportion has brainstem Lewy bodies. The clinical differences between cases with versus without Lewy bodies require additional study...

..These data provide an estimate of the magnitude of the treatment effects and emphasize the need for controlled and randomized studies...

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..CONCLUSIONS: These results suggest that these common variants of Parkin are not associated with PD in white patients, although Parkin mutations are known to cause early- and late-onset PD...

..62. These data suggest that a common gene affects AAO in these two common complex neurodegenerative diseases...

..These findings suggest that mutations in Parkin contribute to the common form of PD and that heterozygous mutations, especially those lying in exon 7, act as susceptibility alleles for late-onset form of Parkinson disease...

..This is provocative given reports of the possible role of inflammation in these two neurodegenerative disorders...

..45; 95% CI 0.22-0.93; P=.03). Our results suggest that ND3 is an important factor in PD susceptibility among white individuals and could help explain the role of complex I in PD expression...

..The surgery improved dystonic symptoms, especially pain in this child with minor complications related to the procedure. Pallidotomy is a reasonable option for children with dystonic symptoms secondary to glutaric aciduria...

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..In recent postmortem studies, we documented increased numbers of torpedoes (Purkinje cell axonal swellings) in ET patients without Lewy bodies. Purkinje cell loss, however, has never been rigorously assessed...

..The most recent common founder of the mutation was dated to 2600 (95% CI: 1950-3850) years ago although additional studies are warranted to ensure an accurate age estimate for this mutation...

..To determine whether concentration of serum urate, a purine metabolite and potent antioxidant that has been linked to a reduced risk of Parkinson disease (PD), predicts prognosis in PD...

..The University of Kansas Parkinson's Disease Center is willing and dedicated to adhere to a common protocol and to cooperate with other centers and NINDS in the conduct of both pilot studies and the main efficacy study. ..