Research Topics
| Hubert H FernandezSummaryAffiliation: University of Florida Country: USA Publications
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Publications
Rebound psychosis: effect of discontinuation of antipsychotics in Parkinson's diseaseHubert H Fernandez
Department of Neurology, University of Florida McKnight Brain Institute, Movement Disorders Program, Gainesville, Florida 32610, USA
Mov Disord 20:104-5. 2005..In 3 patients the "rebound psychosis" was worse than the original psychotic episode and required subsequent higher antipsychotic medication doses...
Botulinum toxin type B for gait freezing in Parkinson's diseaseHubert H Fernandez
Department of Clinical Neuroscience, Brown University School of Medicine, Providence, RI, USA
Med Sci Monit 10:CR282-4. 2004..Freezing of Gait (FOG) can be a serious problem in Parkinson's disease (PD) and is usually refractory to medical treatment. Botulinum toxin (BTX) type A has been reported to relieve FOG in small open label studies...
Taking a closer look at sleep problems and psychosis in Parkinson's disease. IntroductionHubert H Fernandez
Department of Neurology, University of Florida, Gainesville, FL 32610, USA
CNS Spectr 13:4-5. 2008
Diabetes mellitus among parkinsonian patients treated chronically with clozapineHubert H Fernandez
Department of Neurology, University of Florida, Gainesville, FL, USA
Parkinsonism Relat Disord 10:439-41. 2004..3% for ages > or = 60 years). In this small study, parkinsonian patients on long-term, low dose clozapine were not at increased risk for developing DM. Larger controlled prospective studies are needed to confirm this...
Depressive symptoms in Parkinson disease correlate with impaired global and specific cognitive performanceHubert H Fernandez
Department of Neurology McKnight Brain Institute, University of Florida, Gainesville, USA
J Geriatr Psychiatry Neurol 22:223-7. 2009..Our study shows that while depressive symptoms correlated with global cognitive performance, naming, verbal memory, and language are the most susceptible cognitive domains affected with depressive symptoms...
Pharmacotherapy of dementia with Lewy bodiesHubert H Fernandez
Division of Neurology, Memorial Hospital of Rhode Island, 111 Brewster Street, Pawtucket, RI 02860, USA
Expert Opin Pharmacother 4:2027-37. 2003....
What we have learned about sleep disorders and psychosis after nearly two centuries of Parkinson's disease. Summary and conclusionsHubert H Fernandez
Department of Neurology, University of Florida, Gainesville, FL, USA
CNS Spectr 13:34-5. 2008
Quetiapine improves visual hallucinations in Parkinson disease but not through normalization of sleep architecture: results from a double-blind clinical-polysomnography studyHubert H Fernandez
Department of Neurology, College of Medicine, University of Florida, FL, USA
Int J Neurosci 119:2196-205. 2009..Despite the small sample, this is the first double-blind trial to show quetiapine's efficacy over placebo in controlling VH in the PD population. However, normalization of sleep architecture was not supported as the mechanism...
Istradefylline as monotherapy for Parkinson disease: results of the 6002-US-051 trialH H Fernandez
Department of Neurology, University of Florida Movement Disorders Center, PO Box 100236, 100 South Newell Dr, L3 100, Gainesville, FL 32610 0236, USA
Parkinsonism Relat Disord 16:16-20. 2010..6002-US-051 was a 12-week, double-blind study evaluating the safety and efficacy of istradefylline, a selective A(2A) adenosine receptor antagonist, as monotherapy in patients with Parkinson's disease (PD)...
Scales to assess psychosis in Parkinson's disease: Critique and recommendationsHubert H Fernandez
Department of Neurology, McKnight Brain Institute University of Florida, Gainesville, Florida 32611, USA
Mov Disord 23:484-500. 2008..The CGIS is suggested as a secondary outcome scale to measure change and response to treatment over time...
Monoamine oxidase-B inhibition in the treatment of Parkinson's diseaseHubert H Fernandez
Movement Disorders Center, University of Florida, McKnight Brain Institute, Gainesville, FL 32610, USA
Pharmacotherapy 27:174S-185S. 2007..A third agent with MAO-B inhibition properties, safinamide, is in phase III development. Although not yet approved, safinamide may offer the added advantage of combined MAO-B and dopamine reuptake inhibition...
Drug-induced parkinsonismFrandy Susatia
Hubert H Fernandez, MD McKnight Brain Institute, 100 South Newell Drive, Room L3 100, PO Box 100236, Gainesville, FL 32610 0236, USA
Curr Treat Options Neurol 11:162-9. 2009....
Monamine oxidase inhibitors: current and emerging agents for Parkinson diseaseHubert H Fernandez
Movement Disorders Center, Department of Neurology, McKnight Brain Institute University of Florida, Gainesville, FL 32610, USA
Clin Neuropharmacol 30:150-68. 2007..Unlike selegiline, rasagiline is an aminoindan derivative with no amphetamine metabolites. A randomized clinical trial is underway to confirm preclinical and preliminary clinical data suggesting rasagiline has disease-modifying effects...
Long-term outcome of clozapine use for psychosis in parkinsonian patientsHubert H Fernandez
Department of Clinical Neurosciences, Brown Uniersity School of Medicine, Providence, Rhode Island, USA
Mov Disord 19:831-3. 2004..Our data are more consistent with recently published long-term outcome data suggesting an improvement in the prognosis of parkinsonian patients with psychosis with the use of atypical antipsychotic agents such as clozapine...
Greater improvement in quality of life following unilateral deep brain stimulation surgery in the globus pallidus as compared to the subthalamic nucleusLaura B Zahodne
Department of Clinical and Health Psychology, University of Florida, PO Box 100165, Gainesville, FL 32610 0165, USA
J Neurol 256:1321-9. 2009..Patients receiving GPi DBS reported greater improvements that cannot be explained by differential mood or motor effects; however, verbal fluency changes may have partially contributed to lesser QoL improvements amongst STN patients...
Inappropriate crying and laughing in Parkinson disease and movement disordersMustafa S Siddiqui
Department of Neurology, Wake Forest University School of Medicine, Winston Salem, NC, USA
World J Biol Psychiatry 10:234-40. 2009..To examine in a pilot study inappropriate crying and laughing (also termed pseudobulbar affect (PBA)) and underlying mood disturbances in a large clinic based population of Parkinson's disease and movement disorder patients...
Cognition and mood in Parkinson's disease in subthalamic nucleus versus globus pallidus interna deep brain stimulation: the COMPARE trialMichael S Okun
Movement Disorders Center, University of Florida, McKnight Brain Institute, College of Medicine, Department of Neurology, Gainesville, FL 32611, USA
Ann Neurol 65:586-95. 2009..Our aim was to compare in a prospective blinded study the cognitive and mood effects of subthalamic nucleus (STN) vs. globus pallidus interna (GPi) deep brain stimulation (DBS) in Parkinson disease...
Unilateral GPi-DBS as a treatment for levodopa-induced respiratory dyskinesia in Parkinson diseaseGenko Oyama
Department of Neurology, University of Florida Movement Disorders Center, Gainesville, FL 32610, USA
Neurologist 17:282-5. 2011..Respiratory dyskinesia is a rare but disabling complication of levodopa therapy for Parkinson disease; however, its treatment has been limited to medication optimization...
Reoperation for suboptimal outcomes after deep brain stimulation surgeryTina Marie Ellis
Department of Neurology, Movement Disorders Center, University of Florida, McKnight Brain Institute, Gainesville, Florida, USA
Neurosurgery 63:754-60; discussion 760-1. 2008..The goal of the current study was to perform an unblinded retrospective chart review of DBS patients with unsatisfactory outcomes who presented for reoperation...
Cognitive declines one year after unilateral deep brain stimulation surgery in Parkinson's disease: a controlled study using reliable changeLaura B Zahodne
Clinical and Health Psychology, University of Florida, Gainesville, FL 32610 0165, USA
Clin Neuropsychol 23:385-405. 2009..Finally, use of Reliable Change highlights the impact of individual variability and indicates that fluency declines likely reflect significant changes in a subset of patients who demonstrate a poorer surgical outcome overall...
Pearls in patient selection for deep brain stimulationRamon L Rodriguez
Department of Neurology, University of Florida Movement Disorders Center, McKnight Brain Institute, Gainesville, Florida, USA
Neurologist 13:253-60. 2007..General neurologists and even general practitioners may be called upon to screen potential candidates for DBS. The patient selection process plays an important role in this procedure...
A case-based review of troubleshooting deep brain stimulator issues in movement and neuropsychiatric disordersMichael S Okun
Department of Neurology and Neurosurgery, Movement Disorders Center, McKnight Brain Institute, Gainesville, FL 32610, USA
Parkinsonism Relat Disord 14:532-8. 2008..To review the spectrum of problems that can occur in the DBS patient and to suggest potential troubleshooting tips for identification and management of DBS related issues...
Is rhinorrhea an under-recognized intrinsic symptom of Parkinson disease? A prospective pilot studyLaura Sedig
College of Medicine, University of Florida, Gainesville, Florida 32610, USA
Int J Neurosci 120:258-60. 2010..The purpose of this study is to compare the prevalence of idiopathic rhinorrhea in PD patients versus controls, to determine the correlation between rhinorrhea and anosmia, and the factors associated with rhinorrhea...
Binge eating in Parkinson's disease: prevalence, correlates and the contribution of deep brain stimulationLaura B Zahodne
Dept of Clinical and Health Psychology, University of Florida in Gainesville, FL, USA
J Neuropsychiatry Clin Neurosci 23:56-62. 2011..More overeaters had a history of subthalamic deep brain stimulation (DBS; 44% versus 14%). History of DBS was the only independent predictor of overeating...
The impact of and the factors associated with drooling in Parkinson's diseaseJoshua Leibner
College of Medicine, University of Florida, Gainesville, FL 32610, USA
Parkinsonism Relat Disord 16:475-7. 2010..Experiencing hallucinations was the only factor that correlated with being a drooler and it may be confounded by medications...
The relationship between anosmia, constipation, and orthostasis and Parkinson's disease duration: results of a pilot studyAmit L Ramjit
College of Medicine, University of Florida Gainesville, FL32608, USA
Int J Neurosci 120:67-70. 2010..038 and .04 respectively). Our study suggests that increasing levels of dopaminergic therapy inhibits reflexive tachycardia. Furthermore, our study suggests that anosmia and constipation progress with the primary disease process...
Factors related to extended hospital stays following deep brain stimulation for Parkinson's diseaseAnia Mikos
Department of Clinical and Health Psychology, University of Florida, Movement Disorders Center, McKnight Brain Institute, Gainesville FL, USA
Parkinsonism Relat Disord 16:324-8. 2010..This study examined potential factors that might have corresponded to increased post-operative stays following unilateral DBS surgery...
Long-term outcome of quetiapine use for psychosis among Parkinsonian patientsHubert H Fernandez
Department of Clinical Neurosciences, Brown University School of Medicine, Providence, Rhode Island, USA
Mov Disord 18:510-4. 2003..6; 95% CI = 1.4-92.9). Also, patients who developed motor worsening while on quetiapine tended to be more demented (P = 0.07)...
Steady or not following thalamic deep brain stimulation for essential tremorNelson Hwynn
Department of Neurology, McKnight Brain Institute, University of Florida, 100 S Newell Drive, rm L3 100, Gainesville, FL, 32610, USA
J Neurol 258:1643-8. 2011..The larger percentage of difficulties observed in unilateral versus bilateral cases likely reflected the bias not to proceed to second-sided surgery if gait/balance problems were encountered...
Weight changes in subthalamic nucleus vs globus pallidus internus deep brain stimulation: results from the COMPARE Parkinson disease deep brain stimulation cohortMaren C Locke
Department of Neurology, University of Florida Movement Disorders Center McKnight Brain Institute, Gainesville, Florida 32611, USA
Neurosurgery 68:1233-7; discussion 1237-8. 2011..Parkinson's patients, on average, gain weight after deep brain stimulation (DBS)...
Deep brain stimulation and the role of the neuropsychologistMichael S Okun
Department of Neurology, Movement Disorders Center, University of Florida, Gainesville, FL 32610, USA
Clin Neuropsychol 21:162-89. 2007..Additionally, this article will review all aspects of the DBS procedure that can result in mood, cognitive, and behavioral effects and what role(s) the neuropsychologist should play in screening and follow-up...
Mood and energy determinants of quality of life in dystoniaAnne Soeder
Department of Neurology, University of Florida, Gainesville, FL, USA
J Neurol 256:996-1001. 2009..Further studies will be needed to determine the effect of treatment on these associations and whether disturbances in energy are related to sleep disturbances or to primary fatigue issues...
Clinical cases where lesion therapy was chosen over deep brain stimulationAmanda K Hooper
University of Florida, Movement Disorders Center, Gainesville, FL 32601, USA
Stereotact Funct Neurosurg 86:147-52. 2008..Lesion therapy represents a viable alternative and has several important advantages, including a decreased need for access to specialists and clinical follow-up, improved affordability, and a lower infection risk...
Quetiapine for psychosis in Parkinson's disease versus dementia with Lewy bodiesHubert H Fernandez
Department of Clinical Neurosciences, Brown University School of Medicine, Providence, RI, USA
J Clin Psychiatry 63:513-5. 2002..Most clinicians perceive psychosis in dementia with Lewy bodies (DLB) as more difficult to treat than Parkinson's disease, yet there are no reports comparing the antipsychotic response between the 2 disorders...
Relationship between higher rates of adverse events in deep brain stimulation using standardized prospective recording and patient outcomesAdam P Burdick
Department of Neurosurgery, University of Florida, Gainesville, Florida 32610, USA
Neurosurg Focus 29:E4. 2010..In this paper the authors disclose the standardized and prospectively recorded AE data from their institution, correlated with clinical outcome and quality of life (QOL) measures...
Community and long-term care management of Parkinson's disease in the elderly: focus on monoamine oxidase type B inhibitorsJack J Chen
Movement Disorders Center, Schools of Medicine and Pharmacy, Loma Linda University, Loma Linda, California 92350, USA
Drugs Aging 24:663-80. 2007..The favourable safety profile of rasagiline in the elderly and its once-daily formulation may maximise drug adherence and improve outcomes...
Differential response of dystonia and parkinsonism following globus pallidus internus deep brain stimulation in X-linked dystonia-parkinsonism (Lubag)Genko Oyama
Department of Neurology, University of Florida College of Medicine Shands Hospital, Movement Disorders Center, McKnight Brain Institute, Gainesville, FL 32610, USA
Stereotact Funct Neurosurg 88:329-33. 2010..X-linked dystonia-parkinsonism (XDP; DYT3; Lubag) is an adult-onset hereditary progressive dystonia/parkinsonism which is typically minimally responsive to pharmacological treatment...
Examination of the Lille Apathy Rating Scale in Parkinson diseaseLaura B Zahodne
Department of Clinical and Health Psychology, University of Florida, Gainesville, Florida 32610 0165, USA
Mov Disord 24:677-83. 2009..Although the present study does not compare the LARS to a diagnostic gold standard or promote its utility for diagnosing apathy, it provides further support for the LARS as a promising instrument to examine apathy in PD...
A closer look at unilateral versus bilateral deep brain stimulation: results of the National Institutes of Health COMPARE cohortHoutan A Taba
Department of Neurology, University of Forlida Movement Disorders Center, College of Medicine, University of Florida, Gainesville, FL 32611, USA
J Neurosurg 113:1224-9. 2010..In this paper, the authors' aim was to examine reasons underpinning decisions to undergo, or alternatively forgo, a second-sided deep brain stimulation (DBS) implantation in patients with Parkinson disease (PD)...
Nonmotor complications of Parkinson diseaseHubert H Fernandez
Movement Disorders Program, Center for Neurological Restoration, Cleveland Clinic, Cleveland, OH 44195, USA
Cleve Clin J Med 79:S14-8. 2012..Thus, a balance must be struck between controlling nonmotor manifestations and motor features of the disease...
Unilateral deep brain stimulation surgery in Parkinson's disease improves ipsilateral symptoms regardless of lateralityKamal Shemisa
Department of Neurosurgery, College of Medicine, University of Florida, Gainesville, FL, USA
Parkinsonism Relat Disord 17:745-8. 2011..We hypothesised that among Parkinson right-handers, unilateral left DBS would provide greater ipsilateral motor improvement compared with the ipsilateral motor improvement experienced on the right side...
Effects of dopaminergic medication on objective tasks of deftness, bradykinesia and force controlKim C Stewart
Department of Applied Physiology and Kinesiology, University of Florida, Florida Gym Room 151, Gainesville, FL 32611, USA
J Neurol 256:2030-5. 2009....
Abnormal affective startle modulation in individuals with psychogenic [corrected] movement disorderPaul J Seignourel
Department of Clinical and Health Psychology, University of Florida, Gainesville, Florida, USA
Mov Disord 22:1265-71. 2007..Abnormal affective startle modulation may be used to help distinguish between malingering and PMD. Future studies using larger samples are needed to better understand the role of emotions in conversion disorder...
The "chair test" to aid in the diagnosis of psychogenic gait disordersMichael S Okun
Department of Neurology, University of Florida, McKnight Brain Institute, Gainesville, Florida 32610, USA
Neurologist 13:87-91. 2007..To evaluate the chair test for diagnosis of psychogenic gait disorders...
How cautious should we be when assessing apathy with the Unified Parkinson's Disease Rating Scale?Lindsey Kirsch-Darrow
Department of Clinical and Health Psychology, College of Public Health and Health Professions, University of Florida, Gainesville, Florida 32610 0165, USA
Mov Disord 24:684-8. 2009..g., 3, 4) continues to increase specificity at the expense of dramatically reducing sensitivity. These findings suggest the use of caution when screening for apathy with item 4 due to its poor sensitivity in relation to the AS...
Laterality, region, and type of motor dysfunction correlate with cognitive impairment in Parkinson's diseaseLindsy N Williams
Department of Neurology, University of Florida College of Medicine, Gainesville, Florida 32610, USA
Mov Disord 22:141-5. 2007..22, t(105) = -1.95, P = 0.054. We therefore found that right-sided symptoms (for laterality), axial symptoms (for region), and bradykinesia (for type of symptoms) were the best predictors of cognitive function...
The Frequency of Nonmotor Symptoms among Advanced Parkinson Patients May Depend on Instrument Used for AssessmentNelson Hwynn
University of Florida Center for Movement Disorders and Neurorestoration, University of Florida, Gainesville, FL 32607, USA
Parkinsons Dis 2011:290195. 2011..Conclusion The frequency of NMS among advanced PD patients and correlation between patients and caregivers varied with the instrument used. The overall correlation between patient and caregiver was greater with NMS-Q than NMS-S...
Atypical antipsychotics in Parkinson-sensitive populationsJoseph H Friedman
Department of Clinical Neurosciences, Brown University School of Medicine, Providence, Rhode Island, USA
J Geriatr Psychiatry Neurol 15:156-70. 2002..Suggestions are made for future research to improve the interpretability of these studies...
Effect of Deep Brain Stimulation on Parkinson's Nonmotor Symptoms following Unilateral DBS: A Pilot StudyNelson Hwynn
Center for Movement Disorders and Neurorestoration, College of Medicine, University of Florida, Gainesville, FL 32610, USA
Parkinsons Dis 2011:507416. 2011..Future studies are needed to confirm these findings and determine their clinical significance as well as to examine the strengths/weaknesses of each questionnaire/scale...
Venous air embolism in deep brain stimulationAmanda K Hooper
University of Florida Movement Disorders Center, Gainesville, Fla 32601, USA
Stereotact Funct Neurosurg 87:25-30. 2009..Although VAEs have been described in many types of neurosurgical procedures, their incidence during DBS surgery is unknown...
Side onset influences motor impairments in Parkinson diseaseKim C Stewart
Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL 32611, USA
Parkinsonism Relat Disord 15:781-3. 2009..The low numbers of left-handed subjects and the significant percentage of left-handers with a dominant left hemisphere prevented a clear interpretation of our findings in left-handed subjects...
Lessons learned in deep brain stimulation for movement and neuropsychiatric disordersFrank M Skidmore
Department of Neurology, McKnight Brain Institute, University of Florida College of Medicine in Gainesville, 32610, USA
CNS Spectr 11:521-36. 2006..Also discussed are the emerging targets, what is known about the cognitive sequelae of DBS, and what has been learned about the complications and therapeutic failures...
Tests of dorsolateral frontal function correlate with objective tests of postural stability in early to moderate stage Parkinson's diseaseJoe R Nocera
Brain Rehabilitation Research Center, Malcom Randall VAMC, Gainesville, FL, USA
Parkinsonism Relat Disord 16:590-4. 2010..Greater understanding of the relationship between motor and cognitive processes in Parkinson's disease will be critical for understanding the disease process and its potential therapeutic possibilities...
Rationale for current therapies in Parkinson's diseaseJanet Romrell
University of Florida, Department of Neurology, McKnight Brain Institute, PO Box 100236, Gainesville, FL 32610, USA
Expert Opin Pharmacother 4:1747-61. 2003..Even though there have been great advances in the medical options for symptomatic management of PD, there are still many unmet needs for this patient population...
Deep brain stimulation of the internal segment of the globus pallidus in delayed runaway dyskinesiaJohn Graff-Radford
Department of Neurology, University of Florida Movement Disorders Center, University of Florida, Gainesville, FL, USA
Arch Neurol 63:1181-4. 2006..CONCLUSION: This case highlights the delayed development of runaway dyskinesia after a period without medication as an important potential long-term adverse effect of embryonic cell transplantation in patients with Parkinson disease...
Diagnostic criteria for psychosis in Parkinson's disease: report of an NINDS, NIMH work groupBernard Ravina
Department of Neurology, University of Rochester School of Medicine and Dentistry, Rochester, NY 14620, USA
Mov Disord 22:1061-8. 2007..These criteria require validation and may be refined, but form a starting point for studies of the epidemiology and pathophysiology of PDPsy, and are a potential indication for therapy development...
The four As associated with pathological Parkinson disease gamblers: anxiety, anger, age, and agonistsMichael A Shapiro
Department of Neurology, Movement Disorders Center, McKnight Brain Institute, University of Florida College of Medicine, Gainesville, FL, USA
Neuropsychiatr Dis Treat 3:161-7. 2007..Thus in this cohort, we have uncovered the several characteristics of the most likely PD compulsive gambler, namely: (young) age, "angry", "anxious", and using a (dopamine) agonist...
Awareness of expressivity deficits in non-demented Parkinson diseaseAnia E Mikos
Department of Clinical and Health Psychology, University of Florida, Gainesville, FL 32601, USA
Clin Neuropsychol 23:805-17. 2009..These findings highlight the view that diminished emotional expressivity in PD should not be mistaken for decreased subjective emotional experience...
Testosterone therapy in men with Parkinson disease: results of the TEST-PD StudyMichael S Okun
Department of Neurology, University of Florida Movement Disorders Center, McKnight Brain Institute, Gainesville, FL 32610, USA
Arch Neurol 63:729-35. 2006..Previously, we reported that testosterone deficiency is more common in patients with PD compared with age-matched control subjects, and we also reported in 2 small open-label studies that some nonmotor symptoms responded favorably to TT...
Distribution of motor impairment influences quality of life in Parkinson's diseaseKim C Stewart
Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, Florida 32611, USA
Mov Disord 23:1466-8. 2008..Patients with greater UE and LE motor impairments had lower QoL scores. However, LE impairments had a greater influence than UE impairments across all QoL measures...
Hypersexuality and paraphilia induced by selegiline in Parkinson's disease: report of 2 casesMichael A Shapiro
Department of Neurology, McKnight Brain Institute, University of Florida College of Medicine, P.O. Box 100236, Gainesville, FL 32610, USA
Parkinsonism Relat Disord 12:392-5. 2006..Social repercussions may prohibit patients and/or their families from volunteering such information...
Course, prognosis, and management of psychosis in Parkinson's disease: are current treatments really effective?Laura B Zahodne
Department of Clinical and Health Psychology, University of Florida, Gainesville, FL, USA
CNS Spectr 13:26-33. 2008..An emerging treatment option is acetylcholinesterase inhibitors. This article reviews what is currently known about the course, prognosis, and treatment strategies in Parkinson's disease psychosis...
Dual electrode thalamic deep brain stimulation for the treatment of posttraumatic and multiple sclerosis tremorKelly D Foote
Department of Neurology and Neurosurgery, University of Florida, Gainesville, Florida 32610, USA
Neurosurgery 58:ONS-280-5; discussion ONS-285-6. 2006..Two electrodes may be better than one for the treatment of certain disorders; however, more study will be required to confirm this hypothesis...
Neuropsychological profile of a Filipino gentleman with X-linked dystonia-parkinsonism: a case report of Lubag diseaseLaura L S Howe
Clinical and Health Psychology, McKnight Brain Institute, University of Florida, Gainesville, FL, USA
Clin Neuropsychol 23:100-17. 2009..He was evaluated for suitability for deep brain stimulation surgery. Neuropsychological findings demonstrated diffuse impairment involving memory, visuospatial, language, and executive functioning...
Identifying candidates for deep brain stimulation in Parkinson's disease: the role of the primary care physicianMichael S Okun
Department of Neurology, University of Florida Movement Disorders Center, McKnight Brain Institute, Gainesville, USA
Geriatrics 62:18-24. 2007..Potential candidates who score well on this questionnaire can be referred for presurgical multidisciplinary evaluation at an experienced DBS implanting center...
Aripiprazole for drug-induced psychosis in Parkinson disease: preliminary experienceHubert H Fernandez
Department of Neurology, University of Florida College of Medicine, Gainesville, FL 32610
Clin Neuropharmacol 27:4-5. 2004..Our preliminary experience with aripiprazole is mixed but not very encouraging. Controlled studies are needed to evaluate aripiprazole in parkinsonian patients...
Parkinsonism in a nursing home: underrecognitionJoseph H Friedman
Division of Neurology, Memorial Hospital of Rhode Island, 111 Brewster St, Pawtucket, RI 02860, USA
J Geriatr Psychiatry Neurol 17:39-41. 2004..02). Only 1 patient with drug-induced parkinsonism and 3 residents with previously diagnosed Parkinson's disease had chart notes indicating that parkinsonism had been recognized...
Treatment of psychosis in Parkinson's disease: safety considerationsHubert H Fernandez
Department of Clinical Neurosciences, Brown University School of Medicine, Providence, Rhode Island, USA
Drug Saf 26:643-59. 2003..Electroconvulsive treatment is generally reserved for the patient with psychotic depression who is unable to tolerate any pharmacological therapy...
Deep brain stimulation of the GPi treats restless legs syndrome associated with dystoniaMichael S Okun
Departments of Neurology, University of Florida, McKnight Brain Institute, Gainesville, Florida 32610, USA
Mov Disord 20:500-1. 2005....
Management of referred deep brain stimulation failures: a retrospective analysis from 2 movement disorders centersMichael S Okun
Department of Neurology, University of Florida, Movement Disorders Center, McKnight Brain Institute, Gainesville, FL 32610, USA
Arch Neurol 62:1250-5. 2005..An attempt is made herein to evaluate the reasons for DBS failure in a series of such patients and to make recommendations to improve overall DBS outcomes...
Paraneoplastic chorea with leukoencephalopathy presenting with obsessive-compulsive and behavioral disorderSusanne Muehlschlegel
Department of Neurology, Movement Disorders Center, University of Florida College of Medicine, Gainesville, Florida, USA
Mov Disord 20:1523-7. 2005..We report on a case of CV2 paraneoplastic syndrome with obsessive-compulsive behavior preceding the motor manifestations of chorea with associated leukoencephalopathy on MRI. The literature on paraneoplastic chorea is reviewed...
DBS candidates that fall short on a levodopa challenge test: alternative and important indicationsTakashi Morishita
Department of Neurosurgery, College of Medicine Shands Hospital
Neurologist 17:263-8. 2011..The aim of this study was to examine the outcomes of DBS in a subset of patients who failed to reach the 30% motor improvement threshold...
Apomorphine therapy in Parkinson's disease: a reviewIhtsham Ul Haq
Movement Disorders Program, University of Florida, Department of Neurology McKnight Brain Institute, 100 S Newell Drive, PO Box 100236, Gainesville, Florida 32610 0236, USA
Expert Opin Pharmacother 8:2799-809. 2007..In this review, the authors discuss the history, pharmacology, efficacy, safety and proper administration of apomorphine for treating 'off' states in Parkinson's disease, with a focus on intermittent subcutaneous administration...
Hemiballismus from a parietal stroke in a Parkinson patientMotasem Al-Yacoub
Department of Clinical Neurosciences, Brown University School of Medicine, Providence, RI, USA
Mov Disord 19:986-8. 2004..This suggests that HB itself, whether from a lesion in the subthalamic nucleus or elsewhere, is not what improves motor function in PD; instead, the physiological function of the damaged structure is the determining factor...
When should levodopa therapy be initiated in patients with Parkinson's disease?Irene A C Halkias
Department of Neurology, University of Florida, Gainesville, Florida 32608, USA
Drugs Aging 24:261-73. 2007..However, because of levodopa's superior efficacy, when a rapid and sustained symptomatic improvement is required because of significant motor disability, levodopa may be used as the first-line agent regardless of age...
The effect of deep brain stimulation surgery on repetitive behavior in Parkinson patients: A case seriesMary F Wood
Department of Neurology, University of Florida, Gainesville, FL, USA
Neurocase 16:31-6. 2010..In this series, DBS surgery seemed to have no acute effect on repetitive behavior. It is difficult to ascertain whether DBS improves repetitive behavior chronically because of confounding factors in our three cases...
Combating psychosis in Parkinson's disease patients: the use of antipsychotic drugsKelvin L Chou
Department of Clinical Neurosciences, Brown Medical School, Providence, Rhode Island, USA
Expert Opin Investig Drugs 15:339-49. 2006....
Role of deep brain stimulation targeted to the pedunculopontine nucleus in Parkinson's diseaseChristopher Kenney
Expert Rev Neurother 7:585-9. 2007
Psychosis in Parkinson's diseaseDylan P Wint
Department of Psychiatry, McKnight Brain Institute/University of Florida, Gainesville 32610, USA
J Geriatr Psychiatry Neurol 17:127-36. 2004..An emerging treatment option is the use of acetylcholinesterase inhibitors. This article reviews what is known about the epidemiology, risk factors, pathophysiology, and treatment of PD-related psychosis...
Cognitive and behavioral features discriminate between Alzheimer's and Parkinson's diseaseDeborah A Cahn-Weiner
Memorial Hospital of Rhode Island and Brown Medical School, Pawtucket 02860, USA
Neuropsychiatry Neuropsychol Behav Neurol 15:79-87. 2002..To compare the cognitive and behavioral profiles of Alzheimer's disease (AD) and cognitively impaired patients with Parkinson's disease (PD) and to determine the individual measures that best discriminate the two patient groups...
Punding as a complication of brain stem stroke?: report of a caseFrederic N Nguyen
Department of Neurology, University of Florida College of Medicine, Gainesville, FL 32610, USA
Stroke 38:1390-2. 2007..We describe a non-Parkinson disease case of nonpharmacologically induced punding as a complication of a brain stem cardiovascular accident...
Efficacy and safety of purified botulinum toxin type A (Dysport) for the treatment of benign essential blepharospasm: a randomized, placebo-controlled, phase II trialDaniel Truong
The Parkinson s and Movement Disorder Institute, Orange Coast Memorial Medical Center, 9940 Talbert Ave 204, Fountain Valley, CA 92708, USA
Parkinsonism Relat Disord 14:407-14. 2008..The best balance of sustained efficacy and favorable safety profile was provided by 80 units of Dysport/eye in this study...
18F-Dopa vs dopamine transporter ligands in positron emission tomographic and single-photon emission computed tomographic scans for Parkinson diseaseHubert H Fernandez
Arch Neurol 59:1973; author reply 1973-4. 2002
Unrecognized parkinsonism in acute care medical patients receiving neurological consultationsJoseph H Friedman
J Gerontol A Biol Sci Med Sci 58:94-5. 2003
Classification and treatment of tardive syndromesHubert H Fernandez
Department of Clinical Neurosciences, Brown University School of Medicine, Providence, Rhode Island, USA
Neurologist 9:16-27. 2003..Tardive syndromes are a group of delayed-onset abnormal involuntary movement disorders induced by a dopamine receptor blocking agent. There are several phenomenologically distinct types of TS...
Avoiding deep brain stimulation failures in Tourette syndromeMichael S Okun
J Neurol Neurosurg Psychiatry 79:111-2. 2008
Comprehensive screening of a North American Parkinson's disease cohort for LRRK2 mutationJanel Johnson
Laboratory of Neurogenetics, National Institute on Aging, Porter Neuroscience Research Center, National Institutes of Health, Bethesda, MD 20892, USA
Neurodegener Dis 4:386-91. 2007..Recently, mutations in LRRK2 encoding the protein dardarin have been linked to an autosomal dominant form of parkinsonism...
Common neurologic disorders affecting the footRochelle J Woods
Department of Clinical Neurosciences, Brown Medical School, Providence, RI, USA
J Am Podiatr Med Assoc 94:104-17. 2004..This article reviews the pathophysiology, clinical manifestations, and management of the common neurologic disorders affecting the foot...
Genome-wide genotyping in Parkinson's disease and neurologically normal controls: first stage analysis and public release of dataHon Chung Fung
Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA
Lancet Neurol 5:911-6. 2006....
REM behavior disorder and excessive daytime somnolence in Machado-Joseph disease (SCA-3)Joseph H Friedman
Department of Clinical Neurosciences, Brown University School of Medicine, Providence, Rhode Island 02860, USA
Mov Disord 18:1520-2. 2003..Our results support the previous observation that RBD-like behaviors are significantly increased in SCA-3...
Analysis of the PINK1 gene in a large cohort of cases with Parkinson diseaseEkaterina Rogaeva
Centre for Research in Neurodegenerative Diseases and Division of Neurology, Department of Medicine, Toronto Western Hospital, University of Toronto, Ontario, Canada
Arch Neurol 61:1898-904. 2004..Mutations in the PTEN-induced kinase (PINK1) gene located within the PARK6 locus on chromosome 1p35-p36 have recently been identified in patients with recessive early-onset Parkinson disease...
Tardive dyskinesiaKarla Soares Weiser
Enhance Reviews, Kfar Saba, Israel
Semin Neurol 27:159-69. 2007..None of the trials pooled on these reviews found a definitive therapy for TD. Clinicians faced with conditions such as TD should carefully weigh the risks and benefits involved with any given intervention...
The human prion gene M129V polymorphism is not associated with idiopathic Parkinson's disease in three distinct populationsSonja W Scholz
Molecular Genetics Unit, National Institute on Aging, National Institutes of Health, Building 35, Room 1A 1012, Bethesda, MD 20892, USA
Neurosci Lett 395:227-9. 2006..No association between genotypes in codon 129 and IPD was detected in three distinct populations, suggesting that this PRNP polymorphism has no direct influence on the susceptibility to IPD...
Predictors of mortality among nursing home residents with a diagnosis of Parkinson's diseaseHubert H Fernandez
Department of Clinical Neurosciences, Brown University School of Medicine, Providence, RI, USA
Med Sci Monit 8:CR241-6. 2002..Minority groups have a reduced risk of death relative to white PD nursing home residents...
Research Grants
- Clinical Center for the Parkinson Disease Neuroprotection Clinical TrialHubert Fernandez; Fiscal Year: 2006..abstract_text> ..
- Clinical Center for the Parkinson Disease Neuroprotection Clinical TrialHubert Fernandez; Fiscal Year: 2007..abstract_text> ..
