Research Topics
| Yu tze NgSummaryAffiliation: Barrow Neurological Institute Country: USA Publications
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Detail Information
Publications
Levetiracetam in refractory pediatric epilepsyJames W Wheless
Department of Neurology, University of Texas Houston, 77030, USA
J Child Neurol 17:413-5. 2002..Its apparent positive effects on cognition in some patients are encouraging. Large, well-controlled studies are needed to fully define levetiracetam's potential in children with refractory epilepsy...
Childhood mesial temporal sclerosisYu tze Ng
Division of Child Neurology, St Joseph s Hospital and Children s Health Center at Barrow Neurological Institute, 500 West Thomas Road, Phoenix, AZ 85013, USA
J Child Neurol 21:512-7. 2006..Asymptomatic mesial temporal sclerosis or mesial temporal sclerosis not associated with a seizure disorder did not occur in our series. Febrile seizures can occur in association with mesial temporal sclerosis presenting in childhood...
Neurosurgical treatment of status epilepticusYu tze Ng
Department of Pediatric Neurology, Barrow Neurological Institute, Phoenix, Arizona 85013, USA
J Neurosurg 105:378-81. 2006..The purpose of this study was to report the cases of five patients with status epilepticus who were treated successfully with neurosurgery...
Gelastic seizures misdiagnosed as gastroesophageal reflux diseaseLaura L Sweetman
Division of Pediatric Neurology, Barrow Neurological Institute and Children s Health Center, St Joseph s Hospital and Medical Center, Phoenix, Arizona 85013, USA
Clin Pediatr (Phila) 46:325-8. 2007..Gelastic seizures should be considered among the conditions that can mimic reflux symptoms...
Intravenous levetiracetam in children with seizures: a prospective safety studyYu tze Ng
Department of Pediatric Neurology, Barrow Neurological Institute, Phoenix, Arizona 85013, USA
J Child Neurol 25:551-5. 2010..An apparent decrease in seizure frequency across all seizure types was noted. The dose of 50 mg/kg was well tolerated by the patients and is a safe, appropriate loading dose...
The role of neurosurgery in status epilepticusYu tze Ng
Division of Pediatric Neurology, Barrow Neurological Institute St Joseph s Hospital and Medical Center, 500 West Thomas Road Suite 400, Phoenix, AZ 85013, USA
Neurocrit Care 7:86-91. 2007..Following tumor removal, multiple subpial transections were subsequently performed over large areas of the motor and sensory strips and successfully resolved the status epilepticus...
Endoscopic resection of hypothalamic hamartoma for refractory epilepsy: preliminary reportYu tze Ng
Division of Neurology, Barrow Neurological Institute and St Joseph s Hospital and Medical Center, Phoenix, AZ 85013, USA
Semin Pediatr Neurol 14:99-105. 2007..In selected patients, endoscopic resection of HH is effective in the treatment of intractable epilepsy, with lower complication rates and shorter hospital stays than transcallosal resection...
Successful third surgery for a case of status gelasticus: lessons learned after nearly 200 cases of hypothalamic hamartoma surgical resectionYu tze Ng
Divisions of Pediatric Neurology Pediatric Neurosurgery, Barrow Neurological Institute, Phoenix, Arizona, USA
Epilepsia 52:e1-3. 2011....
Agenesis of the corpus callosum is associated with feeding difficultiesYu tze Ng
Children s Health Center and the Barrow Neurological Institute, St Joseph s Hospital, Phoenix, AZ 85013, USA
J Child Neurol 19:443-6. 2004....
Endoscopic resection of hypothalamic hamartomas for refractory symptomatic epilepsyY T Ng
Division of Pediatric Neurology, Barrow Neurological Institute, 350 W Thomas Rd, Phoenix, AZ 85013, USA
Neurology 70:1543-8. 2008..We present 37 patients with HH who underwent transcortical transventricular endoscopic resection...
Successful neurosurgical treatment of childhood complex partial status epilepticus with focal resectionYu tze Ng
Texas Comprehensive Epilepsy Program, Department of Neurology, University of Texas Houston Medical School, Houston, Texas, USA
Epilepsia 44:468-71. 2003....
Successful resection of a hypothalamic hamartoma and a Rathke cleft cyst. Case reportYu tze Ng
Department of Pediatrics, Barrow Neurological Institute, St Joseph s Hospital, Phoenix, Arizona 85013, USA
J Neurosurg 102:78-80. 2005..Neuropathological studies confirmed the neuroimaging diagnoses for the two lesions. The patient has been seizure free for 6 months postoperatively...
The hypothalamic hamartoma: a model of subcortical epileptogenesis and encephalopathyJohn F Kerrigan
Division of Neurology, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, AZ 85013, USA
Semin Pediatr Neurol 12:119-31. 2005..Refractory epilepsy associated with HH is the premier human model for subcortical epilepsy and an excellent model for secondary epileptogenesis and epileptic encephalopathy...
Repeat surgery for hypothalamic hamartoma in refractory epilepsySandipan Pati
Division of Neurology, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, Arizona 85013, USA
Neurosurg Focus 30:E3. 2011..The authors retrospectively reviewed their surgical cases to document the success rate and complications of reoperations in patients with HHs...
Surgical resection of hypothalamic hamartomas for severe behavioral symptomsYu tze Ng
Division of Pediatric Neurology, Barrow Neurological Institute, Phoenix, AZ 85013, USA
Epilepsy Behav 20:75-8. 2011..HH resection can result in significant improvement in behavioral functioning, even in patients with relatively infrequent seizures. Further investigation under approved human research protocols is warranted...
Orbitozygomatic resection for hypothalamic hamartoma and epilepsy: patient selection and outcomeAdib A Abla
Division of Neurological Surgery, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, AZ, USA
Childs Nerv Syst 27:265-77. 2011..This study aims to examine the outcomes of ten patients after orbitozygomatic (OZ) pterional surgery in cases of refractory epilepsy caused by hypothalamic hamartomas (HH)...
EEG and video-EEG seizure monitoring has limited utility in patients with hypothalamic hamartoma and epilepsyMatthew Troester
Division of Pediatric Neurology, Barrow Neurological Institute and Children s Health Center, St Joseph s Hospital and Medical Center, Phoenix, Arizona, USA
Epilepsia 52:1137-43. 2011..We sought to determine the spectrum of electroencephalography (EEG) abnormalities in a large cohort of HH patients...
The histopathology of hypothalamic hamartomas: study of 57 casesStephen W Coons
Division of Neuropathology, Barrow Neurological Institute, Phoenix, Arizona 85013, USA
J Neuropathol Exp Neurol 66:131-41. 2007..Nodules of these small neurons were a universal feature of the microarchitecture of HH lesions associated with epilepsy. Characterization of these neurons may aid in understanding the mechanism of seizure development in HH...
Hypothalamic hamartoma and infantile spasmsJohn F Kerrigan
Epilepsy Center and Division of Pediatric Neurology, Barrow Neurological Institute and Children s Health Center, St Joseph s Hospital and Medical Center, Phoenix, Arizona, USA
Epilepsia 48:89-95. 2007..A small number of patients with hypothalamic hamartoma (HH) present with infantile spasms (IS) as an initial or early seizure type. We describe the clinical features of IS associated with HH...
Endoscopic surgery for hypothalamic hamartomas causing medically refractory gelastic epilepsyHarold L Rekate
Division of Neurological Surgery, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, AZ, USA
Childs Nerv Syst 22:874-80. 2006..The purpose of this study is to report our experiences with endoscopic removal of these hamartomas...
Treatment of refractory status epilepticus with hemispherectomyDawn C Duane
Division of Child Neurology, Children s Health Center, St Joseph s Hospital and Medical Center, Phoenix, Arizona 85013, USA
Epilepsia 45:1001-4. 2004..This case illustrates a potentially life-saving procedure for refractory status epilepticus and several techniques including a spike-suppression test to aid in prediction of cessation of seizures after hemispherectomy...
Syndrome of alternating hypernatremia and hyponatremia after hypothalamic hamartoma surgeryAdib A Abla
Division of Neurological Surgery, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, Arizona 85013, USA
Neurosurg Focus 30:E6. 2011..The triphasic response after surgery in the pituitary region can also explain variations in sodium parameters in such cases...
Update on the management of Lennox-Gastaut syndromeAmanda F Vanstraten
Department of Neurology, University of Oklahoma Health Sciences Center, 711 Stanton L Young Boulevard, Oklahoma City, OK 73104, USA
Pediatr Neurol 47:153-61. 2012..We review the history of the disease and current management options...
Anterior motor strip displacement in a boy with right frontal gray matter heterotopia undergoing epilepsy surgeryAndrew S Little
Division of Neurological Surgery, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, AZ 85013, USA
Epilepsy Behav 11:241-6. 2007..In addition, he is one of the few reported cases of focal cortical dysplasia resection with resultant improved behavior. These observations of unusual cortical representations have implications in epilepsy surgery planning...
Intellectual functioning in presurgical patients with hypothalamic hamartoma and refractory epilepsyGeorge P Prigatano
Division of Neurology, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, AZ 85013, USA
Epilepsy Behav 13:149-55. 2008..It was predicted that the level of estimated intelligence and the pattern of intellectual test performance would significantly correlate with the size of the HH and neuroanatomical features...
Long-term outcome after emergency resection of hypothalamic hamartomas for status gelasticusSandipan Pati
Divisions of Neurology, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, Arizona 85013, USA
Neurosurg Focus 30:E5. 2011..The authors retrospectively reviewed their surgical cases to document the success, complications, and long-term follow-up after emergency resection of HHs for status gelasticus...
Chromosomal abnormality at 6p25.1-25.3 identifies a susceptibility locus for hypothalamic hamartoma associated with epilepsyJohn F Kerrigan
Epilepsy Center and Division of Pediatric Neurology, Barrow Neurological Institute and Children s Health Center, St Joseph s Hospital and Medical Center, Phoenix, AZ 85013, USA
Epilepsy Res 75:70-3. 2007..8 Mb to 9.7 Mb. There are 38 RefSeq genes within the duplicated regions, and no known coding sequences within the deletion. This unique patient helps identify 6p25.1-25.3 as a possible susceptibility locus for sporadic HH...
Gamma Knife surgery for hypothalamic hamartomas and epilepsy: patient selection and outcomesAdib A Abla
Division of Neurological Surgery, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, Arizona 85013, USA
J Neurosurg 113:207-14. 2010..The authors present outcomes obtained in patients who underwent Gamma Knife surgery (GKS) at 1 institution as part of a multimodal treatment of refractory epilepsy caused by hypothalamic hamartomas (HHs)...
ClobazamYu tze Ng
Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, Arizona 85013 4496, USA
Neurotherapeutics 4:138-44. 2007..A phase 2 study will be completed in late 2006 to investigate the safety and efficacy of clobazam as adjunctive therapy in 68 pediatric and adult patients with LGS...
Transcallosal resection of hypothalamic hamartoma for intractable epilepsyYu-tze Ng
Comprehensive Epilepsy Center, Barrow Neurological Institute, St Joseph's Hospital and Medical Center, Phoenix, Arizona 85013, USA
Epilepsia 47:1192-202. 2006..Short-term memory deficits appear to be transient for most patients, and family perception of the impact of surgery on cognitive and behavioral domains is favorable. Complete resection yields the best result...
Clobazam for patients with Lennox-Gastaut syndrome and epilepsyHussam Seif-Eddeine
Department of Neurology, Barrow Neurological Institute St Joseph s Hospital and Medical Center, Phoenix, AZ, USA
Expert Rev Neurother 12:385-93. 2012..We based this article on the most relevant reports with the term 'clobazam' found through a Medline search (1966-2011)...
Ethical considerations in paediatric neurology: neuromuscular disease and epilepsyJohn B Bodensteiner
Division of Pediatric Neurology, Barrow Neurological Institute St Joseph s Children s Health Center, Phoenix, Arizona, United States
J Paediatr Child Health 47:599-602. 2011..Financial and human costs restrict therapies and testing for epilepsy as well as other neurological and medical diseases. Whether it is ethical to consider costs in medical treatment or not, it is certainly a reality...
The Hitchhiker's guide to the child neurologist's genetic evaluation of epilepsyMarie F Grill
Department of Neurology, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, AZ 85013, USA
Semin Pediatr Neurol 15:32-40. 2008....
Dissolving oral clonazepam wafers in the acute treatment of prolonged seizuresMatthew M Troester
Division of Pediatric Neurology, Barrow Neurological Institute, Joseph s Hospital and Medical Center, Phoenix, AZ, USA
J Child Neurol 25:1468-72. 2010..Overall results were comparable to Diastat (rectal diazepam; Valeant Pharmaceuticals International, Aliso Viejo, California). Clonazepam wafers are an effective acute therapy for prolonged seizures...
Dramatic first words spoken in 2 children after vagus nerve stimulationMarie F Grill
Department of Neurology, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, AZ 85013, USA
Semin Pediatr Neurol 17:54-7. 2010..Our observation has important implications in encephalopathic patients both with and without epilepsy...
Interobserver agreement in the interpretation of EEG patterns in critically ill adultsPaula A Gerber
Division of Neurology and Epilepsy Center, Barrow Neurological Institute, Phoenix, Arizona, USA
J Clin Neurophysiol 25:241-9. 2008..Even when standardized terminology is used, the description of rhythmic and periodic EEG patterns varies significantly. Further refinement of the proposed terminology is required to improve inter- and intraobserver agreement...
Surgical strategies for approaching hypothalamic hamartomas causing gelastic seizures in the pediatric population: transventricular compared with skull base approachesIman Feiz-Erfan
Division of Neurological Surgery and Child Neurology, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona 85013, USA
J Neurosurg 103:325-32. 2005..Approaches from below adequately expose pedunculated hamartomas. The likelihood of curing seizures seems to be higher when lesions are approached from above rather than from below...
Utility and safety of prolonged video-EEG monitoring in a tertiary pediatric epilepsy monitoring unitDaniel K Arrington
Department of Pediatric Neurology, St Joseph s Hospital and Medical Center, Phoenix, AZ, USA Department of Neurology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
Epilepsy Behav 27:346-50. 2013..Video-EEG monitoring had a high yield in capturing events and differentiating epileptic from nonepileptic events. Our pediatric patients experienced greater risk of status epilepticus but lesser risk of injury...
Clobazam in the treatment of Lennox-Gastaut syndromeJoan A Conry
Department of Neurology, Children s National Medical Center, Washington, DC 20010, USA
Epilepsia 50:1158-66. 2009..This randomized, double-blind, dose-ranging study evaluated safety and efficacy of clobazam (CLB) as adjunctive therapy for drop seizures in patients with Lennox-Gastaut syndrome (LGS)...
Reversible lamotrigine-induced neurobehavioral disturbances in children with epilepsyJavier F Cardenas
Division of Child Neurology, Barrow Neurological Institute and St Joseph s Hospital and Medical Center, Phoenix, Arizona, USA
J Child Neurol 25:182-7. 2010..While idiosyncratic and uncommon, this is a potentially significant, clinical side effect. Further studies are necessary to clarify the population at risk...
What is the worst part about having epilepsy? A children's and parents' perspectiveAmanda F Vanstraten
Department of Neurology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
Pediatr Neurol 47:431-5. 2012..Overall, children with epilepsy and their parents agreed. Despite the morbidities and potential risks of seizures and of the treatments themselves, the majority of children were most concerned with the stigma attached to having epilepsy...
Lacosamide in refractory mixed pediatric epilepsy: a prospective add-on studyReena Gogia Rastogi
Division of Pediatric Neurology, Barrow Neurological Institute, Phoenix, AZ, USA
J Child Neurol 27:492-5. 2012..5%) localization-related epilepsies but only 2 of 8 (25%) generalized epilepsies, both Lennox-Gastaut syndrome patients with greater than 90% seizure reduction. None of these very refractory patients remained seizure free...
Stimulus-induced diffuse voltage attenuation (SIDVA): a previously undescribed EEG pattern in a critically ill childTravis E Losey
Department of Neurology, Loma Linda University, 11175 Campus Street, CP 11108 Loma Linda, California 92354, USA
J Child Neurol 24:500-2. 2009..This case suggests that critically ill children have distinct stimulus induced electrographic patterns from those seen in adults. Additional research is needed to define the significance of these patterns...
Randomized, phase III study results of clobazam in Lennox-Gastaut syndromeY T Ng
St Joseph s Hospital Medical Center and Barrow Neurological Institute, Phoenix, AZ, USA
Neurology 77:1473-81. 2011..To evaluate efficacy and safety of clobazam, a 1,5-benzodiazepine, as adjunctive therapy for Lennox-Gastaut syndrome (LGS)...
Magnetic resonance imaging detection of mesial temporal sclerosis in childrenYu-tze Ng
Department of Neurology, Texas Comprehensive Epilepsy Program, The University of Texas-Houston Medical School, Houston, Texas, USA
Pediatr Neurol 30:81-5. 2004..Children with mesial temporal sclerosis often had comorbid conditions, and the diagnosis of mesial temporal sclerosis made by magnetic resonance imaging was accurate when compared with the available histopathology...
Neurologic complications associated with respiratory syncytial virusLaura L Sweetman
Division of Child Neurology, Children's Health Center and the Barrow Neurological Institute, St. Joseph's Hospital, Phoenix, Arizona 85013, USA
Pediatr Neurol 32:307-10. 2005..3%). Neurologic complications occur with respiratory syncytial virus bronchiolitis, and physicians and other caregivers should be aware of this entity as well as the favorable prognosis...
Coining of a new term, "status gelasticus"Yu-tze Ng
Epilepsia 47:661-2. 2006
Emergency transcallosal resection of hypothalamic hamartoma for "status gelasticus"Yu-tze Ng
Epilepsia 46:592-4. 2005..At 12-month follow-up, the patient was averaging one brief gelastic seizure every 2 weeks, with a longest seizure-free period of 2 months...
Clarification of the term "status gelasticus" and treatment and prognosis of gelastic seizuresYu-tze Ng
Pediatr Neurol 38:300-1; author reply 301-2. 2008
Idiopathic intracranial hypertension in the pediatric populationYu-tze Ng
J Child Neurol 18:440; author reply 440. 2003
