Research Topics
| Richard G BittarSummaryAffiliation: Radcliffe Infirmary Country: UK Publications
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Detail Information
Publications
Deep brain stimulation for pain relief: a meta-analysisRichard G Bittar
Department of Neurosurgery, Radcliffe Infirmary, Oxford, UK
J Clin Neurosci 12:515-9. 2005..Neuroimaging and neuromodulation technology advances complicate the application of these results to modern practice. Ongoing investigations should shed further light on this complex clinical conundrum...- Deep brain stimulation for phantom limb painRichard G Bittar
Department of Neurosurgery, Radcliffe Infirmary, Oxford, UK
J Clin Neurosci 12:399-404. 2005..This data supports the role for deep brain stimulation in patients with phantom limb pain. The medical literature relating to the epidemiology, pathogenesis, and treatment of this clinical entity is reviewed in detail... - Somatotopic organization of the human periventricular gray matterRichard G Bittar
Department of Neurosurgery, Radcliffe Infirmary, Oxford, UK
J Clin Neurosci 12:240-1. 2005..Bilateral representation was only observed in the forehead and scalp... - Thalamotomy versus thalamic stimulation for multiple sclerosis tremorRichard G Bittar
Department of Neurosurgery, Radcliffe Infirmary, Oxford, UK
J Clin Neurosci 12:638-42. 2005.... - Deep brain stimulation for generalised dystonia and spasmodic torticollisRichard G Bittar
Department of Neurosurgery, Radcliffe Infirmary, Oxford, UK
J Clin Neurosci 12:12-6. 2005.... - Neuromodulation for movement disordersRichard G Bittar
Australasian Movement Disorder and Pain Surgery AMPS Clinic, Melbourne, Australia
J Clin Neurosci 13:315-8. 2006..The contemporary treatment of Parkinson's disease, dystonia, and other tremulous disorders using deep brain chronic electrical stimulation will be reviewed, and future directions discussed... - Stereotactic and Functional Neurosurgery Resident Award: deep brain stimulation for generalized dystonia and spasmodic torticollis: rate and extent of postoperative improvementRichard G Bittar
Australasian Movement Disorder and Pain Surgery Clinic, Department of Surgery, Monash University, The Alfred Hospital, Melbourne
Clin Neurosurg 52:379-83. 2005 - Stimulating the human midbrain to reveal the link between pain and blood pressureAlexander L Green
Department of Neurosurgery, Radcliffe Infirmary, Woodstock Road, Oxford, OX2 6HE, United Kingdom
Pain 124:349-59. 2006..Thus stimulation of the PAG may partly control pain by reducing sympathetic activity as predicted by William James over a century ago... - Deep brain stimulation for movement disorders and painRichard G Bittar
Department of Neurosurgery, Radcliffe Infirmary, Oxford, UK
J Clin Neurosci 12:457-63. 2005..The indications for DBS in our service are outlined, the anatomical targets described, and the anaesthetic and surgical aspects detailed... - Executive cognitive deficits in primary dystoniaRichard B Scott
Russell Cairns Unit, Radcliffe Infirmary, Oxford, United Kingdom
Mov Disord 18:539-50. 2003..The implications of these findings for the pathophysiology of primary dystonia are discussed. This is, to the best of our knowledge, the first report of a significant cognitive deficit in patients with primary dystonia... 
Peripheral neuromodulation for painRichard G Bittar
Department of Neurosurgery, Royal Melbourne Hospital, Parkville, Victoria, Australia
J Clin Neurosci 16:1259-61. 2009....- BMP-7 (OP-1) safety in anterior cervical fusion surgeryJohn Leach
Department of Neurosurgery, The Alfred Hospital, Prahran, Victoria, Australia
J Clin Neurosci 16:1417-20. 2009..We concluded that BMP-7 can be used safely in anterior cervical fusion. The effect of BMP-7 on the rate and timing of fusion, as well as clinical outcome, is yet to be elucidated... - Changes in cognition and health-related quality of life with unilateral thalamotomy for Parkinsonian tremorSunita R Nijhawan
Department of Clinical Neuropsychology, Russell Cairns Unit, Radcliffe Infirmary, Woodstock Road, Oxford, OX2 6HE, UK
J Clin Neurosci 16:44-50. 2009..These findings suggest that thalamotomy, when indicated, has limited cognitive sequelae and may result in improved quality of life in areas specific to Parkinson's disease... - Pedunculopontine nucleus stimulation for people with Parkinson's disease? A clinical perspectiveRalph Gregory
Neuroscience Unit, John Radcliffe Hospital, Oxford, UK
Br J Neurosurg 22:S13-5. 2008.... - Deep brain stimulation for movement disordersWesley Thevathasan
Department of Clinical Neurology, John Radcliffe Hospital, Oxford, UK
Pract Neurol 10:16-26. 2010..In this article we will summarise the key points in patient selection, provide an overview of the surgical technique, and discuss the beneficial and adverse outcomes that can occur... - Effect of GPi DBS on functional imaging of the brain in dystoniaJohn Yianni
The Oxford Movement Disorder Group, Department of Neurological Surgery, The Radcliffe Infirmary, Oxford, UK
J Clin Neurosci 12:137-41. 2005..Based on these results we postulate on possible mechanisms for this phenomenon... - Global attentional-executive sequelae following surgical lesions to globus pallidus internaRichard B Scott
Russell Cairns Unit, Radcliffe Infirmary, Oxford, UK
Brain 125:562-74. 2002..This finding is rare in its specificity and has implications for theoretical models of the functional architecture and pathophysiology of the globus pallidus, and the clinical practice of pallidotomy... - Hardware-related problems of deep brain stimulationCarole Joint
Department of Neurosurgery, Radcliffe Infirmary, Woodstock Road, Oxford, United Kingdom
Mov Disord 17:S175-80. 2002..The majority of these failures occurred early on in the series, and numbers declined with experience. Some of the problems may be idiosyncratic to the methodology of individual groups... - A dominant bursting electromyograph pattern in dystonic conditions predicts an early response to pallidal stimulationJohn Yianni
Oxford Movement Disorder Group, Department of Neurological Surgery, Radcliffe Infirmary, Oxford, OX2 6HE, UK
J Clin Neurosci 13:738-46. 2006..Analysis of EMG activity may provide a sensitive means of identifying dystonic patients who are likely to be most responsive to functional neurosurgical intervention... 
Surgery for movement disordersRalph Gregory
Oxford Movement Disorder Group, Radcliffe Infirmary, Oxford UK
J Neurol Neurosurg Psychiatry 72:I32-I35. 2002- Increased risk of lead fracture and migration in dystonia compared with other movement disorders following deep brain stimulationJ Yianni
The Oxford Movement Disorder Group, Department of Neurological Surgery, The Radcliffe Infirmary, Oxford OX2 6HE, UK
J Clin Neurosci 11:243-5. 2004..Interestingly, all of these failures occurred in dystonia patients (18.4% of all dystonia patients and 9.2% of all electrodes). We postulate on mechanisms that may explain why these complications predominate in this group of patients... - Globus pallidus internus deep brain stimulation for dystonic conditions: a prospective auditJohn Yianni
Department of Neurological Surgery, The Radcliffe Infirmary, Oxford, United Kingdom
Mov Disord 18:436-42. 2003..This study clearly demonstrates that DBS of the GPi provides amelioration of intractable dystonia... - The sensory and motor representation of synchronized oscillations in the globus pallidus in patients with primary dystoniaXuguang Liu
Department of Physiology, Anatomy, and Genetics, University of Oxford, UK
Brain 131:1562-73. 2008..This study yields new insights into the pathophysiological mechanisms of primary dystonias and their treatment using pallidal deep brain stimulation... - Use of surface electromyography to assess and select patients with idiopathic dystonia for bilateral pallidal stimulationShouyan Wang
University Laboratory of Physiology, University of Oxford, United Kingdom
J Neurosurg 105:21-5. 2006..CONCLUSIONS: The authors concluded that surface EMG studies could be used to predict the clinical outcome of and to select patients for pallidal stimulation for dystonia... - Reversal of hypertonic co-contraction after bilateral pallidal stimulation in generalised dystonia: a clinical and electromyogram case studyXuguang Liu
University Laboratory of Physiology, Parks Road, Oxford, United Kingdom
Mov Disord 19:336-40. 2004.... - Senile chorea treated by deep brain stimulation: a clinical, neurophysiological and functional imaging studyJohn Yianni
The Oxford Movement Disorder Group, Department of Neurological Surgery, The Radcliffe Infirmary, Oxford, United Kingdom
Mov Disord 19:597-602. 2004..Deep brain field potential recordings and functional imaging using single photon emission tomography enabled us to suggest pathophysiological mechanisms for the symptoms... - Camptocormia treated with bilateral pallidal stimulation: case reportDipankar Nandi
Laboratory of Physiology, University of Oxford, Oxford, United Kingdom
Neurosurg Focus 12:ECP2. 2002..The physiological studies may help further the understanding of the pathophysiology of this rare entity... - Quality of life outcomes following surgical treatment of Parkinson's diseaseAlastair Gray
Health Economics Research Centre, Department of Public Health, University of Oxford, Oxford, United Kingdom
Mov Disord 17:68-75. 2002..Quality of life in patients with advanced Parkinson's disease is amenable to measurement; such measurement provides tentative evidence of significant gains in quality of life following some neurosurgical procedures...