R Bhidayasiri

Summary

Affiliation: University of California
Country: USA

Publications

  1. ncbi request reprint Dystonia: genetics and treatment update
    Roongroj Bhidayasiri
    Department of Neurology, UCLA Medical Center, David Geffen UCLA School of Medicine, Los Angeles, California, USA
    Neurologist 12:74-85. 2006
  2. ncbi request reprint Late-onset Friedreich ataxia: phenotypic analysis, magnetic resonance imaging findings, and review of the literature
    Roongroj Bhidayasiri
    Department of Neurology, UCLA Medical Center, Los Angeles, Calif, USA
    Arch Neurol 62:1865-9. 2005
  3. pmc Differential diagnosis of common tremor syndromes
    R Bhidayasiri
    Department of Neurology, Reed Neurological Research Institute, UCLA Medical Center, Los Angeles, CA 90095, USA
    Postgrad Med J 81:756-62. 2005
  4. ncbi request reprint Dystonia (DYT) genetic loci
    Roongroj Bhidayasiri
    Department of Neurology, Reed Neurological Research Institute, UCLA Medical Center, Geffen School of Medicine at UCLA, 710 Westwood Plaza, Los Angeles, CA 90095, USA
    Eur J Paediatr Neurol 9:367-70. 2005
  5. ncbi request reprint Three brothers with a very-late-onset writer's cramp
    Roongroj Bhidayasiri
    Department of Neurology, UCLA Medical Center, Geffen School of Medicine, University of California, Los Angeles, California 90095, USA
    Mov Disord 20:1375-7. 2005
  6. ncbi request reprint Bilateral neurostimulation systems used for deep brain stimulation: in vitro study of MRI-related heating at 1.5 T and implications for clinical imaging of the brain
    Roongroj Bhidayasiri
    Department of Neurology, UCLA Medical Center and Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA
    Magn Reson Imaging 23:549-55. 2005
  7. ncbi request reprint Improvement of cervical dystonia: possible role of transcranial magnetic stimulation simulating sensory tricks effect
    Roongroj Bhidayasiri
    Department of Neurology, UCLA Medical Center, Geffen School of Medicine at UCLA and Parkinson s Disease Research, Education and Clinical Center PADRECC of West Los Angeles Veterans Affairs Medical Center, Los Angeles, CA 90095, USA
    Med Hypotheses 64:941-5. 2005
  8. ncbi request reprint Treatment of dystonia
    Roongroj Bhidayasiri
    Chulalongkorn University Hospital, Chulalongkorn Comprehensive Movement Disorders Center, Division of Neurology, 1873 Rama 4 Road Bangkok 10330, Thailand
    Expert Rev Neurother 6:863-86. 2006
  9. ncbi request reprint Segmental unilateral lentiginosis in generalized neurofibromatosis type 1
    Roongroj Bhidayasiri
    Department of Neurology, Reed Neurological Research Institute, UCLA Medical Center, 710 Westwood Plaza, Los Angeles, CA 90095, USA
    Arch Neurol 59:1331-2. 2002
  10. ncbi request reprint Midbrain ataxia: possible role of the pedunculopontine nucleus in human locomotion
    Roongroj Bhidayasiri
    Department of Neurology, Veterans Affairs West Angeles Healthcare Center and UCLA Medical Center, UCLA School of Medicine, Los Angeles, Calif 90095, USA
    Cerebrovasc Dis 16:95-6. 2003

Collaborators

Detail Information

Publications37

  1. ncbi request reprint Dystonia: genetics and treatment update
    Roongroj Bhidayasiri
    Department of Neurology, UCLA Medical Center, David Geffen UCLA School of Medicine, Los Angeles, California, USA
    Neurologist 12:74-85. 2006
    ..The treatment of dystonia has continued to evolve to include newer medications, different forms of botulinum toxin, and various surgical procedures...
  2. ncbi request reprint Late-onset Friedreich ataxia: phenotypic analysis, magnetic resonance imaging findings, and review of the literature
    Roongroj Bhidayasiri
    Department of Neurology, UCLA Medical Center, Los Angeles, Calif, USA
    Arch Neurol 62:1865-9. 2005
    ..Late-onset FA (LOFA) is defined as onset after age 25 years...
  3. pmc Differential diagnosis of common tremor syndromes
    R Bhidayasiri
    Department of Neurology, Reed Neurological Research Institute, UCLA Medical Center, Los Angeles, CA 90095, USA
    Postgrad Med J 81:756-62. 2005
    ..Evidence supporting various strategies used in the differentiation is then presented, followed by a review of formal guidelines or recommendations when they exist...
  4. ncbi request reprint Dystonia (DYT) genetic loci
    Roongroj Bhidayasiri
    Department of Neurology, Reed Neurological Research Institute, UCLA Medical Center, Geffen School of Medicine at UCLA, 710 Westwood Plaza, Los Angeles, CA 90095, USA
    Eur J Paediatr Neurol 9:367-70. 2005
  5. ncbi request reprint Three brothers with a very-late-onset writer's cramp
    Roongroj Bhidayasiri
    Department of Neurology, UCLA Medical Center, Geffen School of Medicine, University of California, Los Angeles, California 90095, USA
    Mov Disord 20:1375-7. 2005
    ..We describe a family of Bulgarian descent with three brothers presenting with a very-late-onset dystonic WC, compatible with linkage to chromosome 18p...
  6. ncbi request reprint Bilateral neurostimulation systems used for deep brain stimulation: in vitro study of MRI-related heating at 1.5 T and implications for clinical imaging of the brain
    Roongroj Bhidayasiri
    Department of Neurology, UCLA Medical Center and Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA
    Magn Reson Imaging 23:549-55. 2005
    ..Notably, these findings are highly specific to the neurostimulation systems, device positioning technique, MR system and imaging conditions used in this investigation...
  7. ncbi request reprint Improvement of cervical dystonia: possible role of transcranial magnetic stimulation simulating sensory tricks effect
    Roongroj Bhidayasiri
    Department of Neurology, UCLA Medical Center, Geffen School of Medicine at UCLA and Parkinson s Disease Research, Education and Clinical Center PADRECC of West Los Angeles Veterans Affairs Medical Center, Los Angeles, CA 90095, USA
    Med Hypotheses 64:941-5. 2005
    ....
  8. ncbi request reprint Treatment of dystonia
    Roongroj Bhidayasiri
    Chulalongkorn University Hospital, Chulalongkorn Comprehensive Movement Disorders Center, Division of Neurology, 1873 Rama 4 Road Bangkok 10330, Thailand
    Expert Rev Neurother 6:863-86. 2006
    ..Therefore, more research is needed to better understand the underlying cause and pathophysiology of dystonia and to explore newer medications and surgical techniques for its treatment...
  9. ncbi request reprint Segmental unilateral lentiginosis in generalized neurofibromatosis type 1
    Roongroj Bhidayasiri
    Department of Neurology, Reed Neurological Research Institute, UCLA Medical Center, 710 Westwood Plaza, Los Angeles, CA 90095, USA
    Arch Neurol 59:1331-2. 2002
  10. ncbi request reprint Midbrain ataxia: possible role of the pedunculopontine nucleus in human locomotion
    Roongroj Bhidayasiri
    Department of Neurology, Veterans Affairs West Angeles Healthcare Center and UCLA Medical Center, UCLA School of Medicine, Los Angeles, Calif 90095, USA
    Cerebrovasc Dis 16:95-6. 2003
  11. pmc Wound botulism
    R Bhidayasiri
    Department of Neurology, UCLA Medical Center, UCLA School of Medicine, California, USA
    Postgrad Med J 80:240. 2004
  12. ncbi request reprint Favorable longitudinal outcome in a patient with Parry-Romberg syndrome
    M F Waters
    Department of Neurology, David Geffen School of Medicine at UCLA, Los Angeles, CA 90048, USA
    Acta Neurol Scand 112:192-3. 2005
  13. ncbi request reprint Treatment of Parkinson's disease in Thailand: review of the literature and practical recommendations
    Roongroj Bhidayasiri
    Chulalongkorn Comprehensive Movement Disorders Center, Chulalongkorn University Hospital, Bangkok, Thailand
    J Med Assoc Thai 92:142-54. 2009
    ..Surgical interventions should be reserved for patients with intractable motor complications after careful patient selection...
  14. ncbi request reprint Medical image. "Hot cross bun" sign
    Roongroj Bhidayasiri
    Department of Neurology, UCLA Medical Center, Geffen School of Medicine at UCLA, Los Angeles, USA
    N Z Med J 120:U2563. 2007
  15. doi request reprint Multiple system atrophy
    Roongroj Bhidayasiri
    Division of Neurology, Chulalongkorn Comprehensive Movement Disorders Center, Chulalongkorn Univerisity Hospital, Bangkok, Thailand
    Neurologist 14:224-37. 2008
    ....
  16. ncbi request reprint Motor complications in Parkinson disease: clinical manifestations and management
    Roongroj Bhidayasiri
    Chulalongkorn Comprehensive Movement Disorders Center, Division of Neurology, Chulalongkorn University Hospital, Bangkok 10330, Thailand
    J Neurol Sci 266:204-15. 2008
    ..Better understanding of these potential complications will result in better management of these problems and lessen the disability associated with advanced PD...
  17. doi request reprint A census of movement disorders at a Thai university hospital
    Roongroj Bhidayasiri
    Chulalongkorn Comprehensive Movement Disorders Center, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, 10330, Thailand
    J Neurol Sci 301:31-4. 2011
    ..This finding documents the need for awareness of PD and other movement disorders by health professionals in Thailand, including the need for specialized training in movement disorders for physicians, including neurologists...
  18. ncbi request reprint "Dystonic" body perception in childhood dystonia
    Roongroj Bhidayasiri
    Chulalongkorn Comprehensive Movement Disorders Centre, Chulalongkorn University Hospital, Bangkok 10330, Thailand
    Clin Neurol Neurosurg 109:446-7. 2007
    ..We describe a patient with childhood-onset dystonia who consistently drew images of his unaffected family members with 'dystonic' postures without being aware that this posture is abnormal...
  19. ncbi request reprint Atypical dementia: when it is not Alzheimer's disease
    Roongroj Bhidayasiri
    Chulalongkorn Comprehensive Movement Disorders Center, Chulalongkorn University Hospital, Bangkok, Thailand
    J Med Assoc Thai 90:2222-32. 2007
    ..The laboratory and imaging evaluation of various types of dementias are described. Current practice guidelines and practice parameters are reviewed as relevant for primary care practitioner...
  20. doi request reprint Spectrum of tardive syndromes: clinical recognition and management
    Roongroj Bhidayasiri
    Chulalongkorn Comprehensive Movement Disorders Center, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
    Postgrad Med J 87:132-41. 2011
    ..Although the efficacy of both pallidotomy and pallidal deep brain stimulation in dystonia has been encouraging, the evidence is still limited...
  21. ncbi request reprint State of the art: deep brain stimulation in Parkinson's disease
    R Bhidayasiri
    Chulalongkorn Comprehensive Movement Disorders Program, Chulalongkorn University Hospital, Bangkok, Thailand
    J Med Assoc Thai 89:390-400. 2006
    ....
  22. ncbi request reprint Frameless stereotactic for deep brain stimulation placement: operative technique
    Teeradej Srikijvilaikul
    Division of Neurosurgery, Chulalongkorn University Hospital, Bangkok, Thailand
    J Med Assoc Thai 91:497-501. 2008
    ..The authors report the surgical technique of frameless functional stereotactic for the treatment of movement disorders...
  23. ncbi request reprint Evidence for effectiveness of botulinum toxin for hyperhidrosis
    R Bhidayasiri
    Chulalongkorn Comprehensive Movement Disorders Center, Chulalongkorn Univerisity Hospital, Bangkok, Thailand
    J Neural Transm 115:641-5. 2008
    ..As a result, there is a strong evidence to support the efficacy of botulinum toxin type A in axillary (Level A evidence) and palmar (Level B evidence) hyperhidrosis...
  24. ncbi request reprint Pathophysiology of slow vertical saccades in progressive supranuclear palsy
    R Bhidayasiri
    Department of Neurology, University Hospitals, Case Western Reserve University, Cleveland, OH 44106-5040, USA
    Neurology 57:2070-7. 2001
    ..Deficient generation of the motor command by midbrain burst neurons is the more likely cause...
  25. ncbi request reprint Botulinum toxin in blepharospasm and oromandibular dystonia: comparing different botulinum toxin preparations
    R Bhidayasiri
    Division of Neurology, Chulalongkorn University Hospital, Bangkok, Thailand
    Eur J Neurol 13:21-9. 2006
    ..This article summarizes injection techniques in both forms of dystonia and compares doses, potency and efficacy of different commercially available toxins, including Botox, Dysport, Xeomin and Myobloc/NeuroBloc...
  26. doi request reprint The first case report of neuroacanthocytosis in Thailand: utilization of a peripheral blood smear technique for detecting acanthocytes
    Natlada Kanjanasut
    Chulalongkorn Comprehensive Movement Disorders Center, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok 10330, Thailand
    Clin Neurol Neurosurg 112:541-3. 2010
    ..Among those, chorea-acanthocytosis (ChAc) is the most frequent form, manifested by predominant orofacial dyskinesias associated with marked dysarthria and dysphagia...
  27. pmc Chorea and related disorders
    R Bhidayasiri
    Department of Neurology, UCLA Medical Center, David Geffen UCLA School of Medicine and Parkinson s Disease Research, Education and Clinical Center PADRECC of West Los Angeles Veterans Affairs Medical Center, USA
    Postgrad Med J 80:527-34. 2004
    ..The aim of this review is to provide an up to date discussion of this disorder, as well as a practical approach to its management...
  28. ncbi request reprint Extrapontine myelinolysis in preoperative sellar region tumor: report of two cases
    Duangpol Srimanee
    Division of Neurology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
    J Med Assoc Thai 92:1548-53. 2009
    ..Patients with sellar region tumors are at risk of developing ODS and correction of hyponatremia in these cases should be closely monitored...
  29. doi request reprint Prevalence and risk factors of Parkinson's disease in retired Thai traditional boxers
    Praween Lolekha
    Chulalongkorn Comprehensive Movement Disorders Center, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand
    Mov Disord 25:1895-901. 2010
    ..The analysis determined that the number of professional bouts is a risk factor among these boxers, supporting the notion that repetitive head trauma may pose an additional risk to certain individuals who are already susceptible to PD...
  30. ncbi request reprint Cerebellar arteriovenous malformation presenting with bilateral proptosis mimicking caroticocavernous fistula
    Roongroj Bhidayasiri
    Department of Neurology, UCLA Medical Center, David Geffen UCLA School of Medicine, Los Angeles, CA 90095, USA
    Hosp Med 65:690-1. 2004
  31. ncbi request reprint How useful is (123I) beta-CIT SPECT in the diagnosis of Parkinson's disease?
    Roongroj Bhidayasiri
    Department of Neurology, UCLA Medical Center, The David Geffen UCLA School of Medicine, Los Angeles, CA, USA
    Rev Neurol Dis 3:19-22. 2006
    ..Differentiating among various parkinsonian syndromes may be improved by methodological refinements, a combined strategy of imaging presynaptic and postsynaptic sites, or by metabolic imaging...
  32. ncbi request reprint Midbrain ataxia: an introduction to the mesencephalic locomotor region and the pedunculopontine nucleus
    Gasser M Hathout
    Department of Radiology, Geffen School of Medicine, University of California Los Angeles Medical Center, Los Angeles, CA 90095, USA
    AJR Am J Roentgenol 184:953-6. 2005
    ..More specifically, we hypothesize that involvement of the pedunculopontine nucleus, a major component of the mesencephalic locomotor region, may be at least partially responsible for producing midbrain ataxia...
  33. ncbi request reprint Expanding use of botulinum toxin
    Roongroj Bhidayasiri
    Department of Neurology, UCLA Medical Center, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA
    J Neurol Sci 235:1-9. 2005
    ....
  34. ncbi request reprint Tourette's syndrome: old syndrome, new insights and new treatment
    Roongroj Bhidayasiri
    Division of Neurology, Department of Medicine, Chulalongkorn University Hospital, Bangkok, Thailand
    J Med Assoc Thai 88:S339-47. 2005
    ..We anticipate that continued success of research in this area will lead to molecular insights, identification of vulnerable genes, and eventually novel therapies that can target all aspects of this complex disorder...
  35. ncbi request reprint Management of non-motor symptoms in advanced Parkinson disease
    Daniel D Truong
    The Parkinson s and Movement Disorder Institute, 9940 Talbert Avenue, Fountain Valley, CA 92708, USA
    J Neurol Sci 266:216-28. 2008
    ..They are often less appreciated than motor symptoms but are important sources of disability for many PD patients. This review describes these non-motor symptoms and their managements...
  36. ncbi request reprint Saccadic and vestibular abnormalities in multiple sclerosis: sensitive clinical signs of brainstem and cerebellar involvement
    Deborah L Downey
    Neurology Service, Veterans Affairs Medical Center, and Case Western University, Cleveland Ohio 44106, USA
    Ann N Y Acad Sci 956:438-40. 2002
  37. ncbi request reprint Postmortem analysis of pallidotomy in Parkinson's disease
    Roongroj Bhidayasiri
    J Neurol 252:100-2. 2005