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Luisi C, Salimbene L, Pietrafusa N, Trivisano M, Marras CE, De Benedictis A, Chiarello D, Mercier M, Pepi C, de Palma L, Specchio N. Hypothalamic Hamartoma related epilepsy: A systematic review exploring clinical, neuropsychological, and psychiatric outcome after surgery. Epilepsy Behav 2024; 157:109846. [PMID: 38820683 DOI: 10.1016/j.yebeh.2024.109846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 05/15/2024] [Accepted: 05/16/2024] [Indexed: 06/02/2024]
Abstract
The post-surgical outcome for Hypothalamic Hamartoma (HH) related epilepsy in terms of seizure freedom (SF) has been extensively studied, while cognitive and psychiatric outcome has been less frequently reported and defined. This is a systematic review of English language papers, analyzing the post-surgical outcome in series of patients with HH-related epilepsy (≥5 patients, at least 6 months follow-up), published within January 2002-December 2022. SF was measured using Engel scale/equivalent scales. We looked at the outcome related to different surgical techniques, and HH types according to Delalande classification. We evaluated the neuropsychological and neuropsychiatric status after surgery, and the occurrence of post-surgical complications. Forty-six articles reporting 1318 patients were included, of which ten pediatric series. SF was reported in 686/1222 patients (56,1%). Delalande classification was reported in 663 patients from 24 studies, of which 70 were type I HH (10%), 320 were type II HH (48%), 189 were type III HH (29%) and 84 were type IV HH (13%). The outcome in term of SF was reported in 243 out of 663 patients. SF was reported in 12 of 24 type I HH (50%), 80 of 132 type II HH (60,6%), 32 of 59 type III HH (54,2%) and 12 of 28 type IV HH (42,9%). SF was reached in 129/262 (49,2%) after microsurgery, 102/199 (51,3%) after endoscopic surgery, 46/114 (40,6%) after gamma knife surgery, 245/353 (69,4%) after radiofrequency thermocoagulation, and 107/152 (70,4%) after MRI-guided laser interstitial thermal therapy. Hyperphagia/weight gain were the most reported surgical complications. Others were electrolyte alterations, diabetes insipidus, hypotiroidism, transient hyperthermia/poikilothermia. The highest percentage of memory deficits was reported after microsurgery, while hemiparesis and cranial nerves palsy were reported after microsurgery or endoscopic surgery. Thirty studies reported developmental delay/intellectual disability in 424/819 (51,7%) patients. 248/346 patients obtained a global improvement (72%), 70/346 were stable (20%), 28/346 got worse (8%). 22 studies reported psychiatric disorders in 257/465 patients (55,3%). 78/98 patients improved (80%), 13/98 remained stable (13%), 7/98 got worse (7%). Most of the patients had non-structured cognitive/psychiatric assessments. Based on the available data, the surgical management in patients with HH related epilepsy should be individualized, aiming to reach not only the best epilepsy result, but also the optimal cognitive and psychiatric outcome.
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Affiliation(s)
- Concetta Luisi
- Neurology, Epilepsy and Movement Disorders Unit, Bambino Gesù Children's Hospital, IRCCS, Full Member of European Reference Network on Rare and Complex Epilepsies, EpiCARE, Rome, Italy
| | - Licia Salimbene
- Neurology, Epilepsy and Movement Disorders Unit, Bambino Gesù Children's Hospital, IRCCS, Full Member of European Reference Network on Rare and Complex Epilepsies, EpiCARE, Rome, Italy
| | - Nicola Pietrafusa
- Neurology, Epilepsy and Movement Disorders Unit, Bambino Gesù Children's Hospital, IRCCS, Full Member of European Reference Network on Rare and Complex Epilepsies, EpiCARE, Rome, Italy
| | - Marina Trivisano
- Neurology, Epilepsy and Movement Disorders Unit, Bambino Gesù Children's Hospital, IRCCS, Full Member of European Reference Network on Rare and Complex Epilepsies, EpiCARE, Rome, Italy
| | | | | | - Daniela Chiarello
- Neurology, Epilepsy and Movement Disorders Unit, Bambino Gesù Children's Hospital, IRCCS, Full Member of European Reference Network on Rare and Complex Epilepsies, EpiCARE, Rome, Italy
| | - Mattia Mercier
- Neurology, Epilepsy and Movement Disorders Unit, Bambino Gesù Children's Hospital, IRCCS, Full Member of European Reference Network on Rare and Complex Epilepsies, EpiCARE, Rome, Italy
| | - Chiara Pepi
- Neurology, Epilepsy and Movement Disorders Unit, Bambino Gesù Children's Hospital, IRCCS, Full Member of European Reference Network on Rare and Complex Epilepsies, EpiCARE, Rome, Italy
| | - Luca de Palma
- Neurology, Epilepsy and Movement Disorders Unit, Bambino Gesù Children's Hospital, IRCCS, Full Member of European Reference Network on Rare and Complex Epilepsies, EpiCARE, Rome, Italy
| | - Nicola Specchio
- Neurology, Epilepsy and Movement Disorders Unit, Bambino Gesù Children's Hospital, IRCCS, Full Member of European Reference Network on Rare and Complex Epilepsies, EpiCARE, Rome, Italy.
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Cohen NT, Cross JH, Arzimanoglou A, Berkovic SF, Kerrigan JF, Miller IP, Webster E, Soeby L, Cukiert A, Hesdorffer DK, Kroner BL, Saper CB, Schulze-Bonhage A, Gaillard WD. Hypothalamic Hamartomas: Evolving Understanding and Management. Neurology 2021; 97:864-873. [PMID: 34607926 PMCID: PMC8610628 DOI: 10.1212/wnl.0000000000012773] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 08/31/2021] [Indexed: 11/15/2022] Open
Abstract
Hypothalamic hamartomas (HH) are rare, basilar developmental lesions with widespread comorbidities often associated with refractory epilepsy and encephalopathy. Imaging advances allow for early, even prenatal, detection. Genetic studies suggest mutations in GLI3 and other patterning genes are involved in HH pathogenesis. About 50%-80% of children with HH have severe rage and aggression and a majority of patients exhibit externalizing disorders. Behavioral disruption and intellectual disability may predate epilepsy. Neuropsychological, sleep, and endocrine disorders are typical. The purpose of this article is to provide a summary of the current understanding of HH and to highlight opportunities for future research.
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Affiliation(s)
- Nathan T Cohen
- From the Center for Neuroscience Research (N.T.C., W.D.G.), Children's National Hospital, The George Washington University School of Medicine, Washington, DC; UCL NIHR BRC Great Ormond Street Institute of Child Health (J.H.C.), Member of ERN-EpiCARE, London; Great Ormond Street Hospital for Children (J.H.C.), NHS Trust, London; Young Epilepsy (J.H.C.), Lingfield, Surrey, UK; Department of Pediatric Clinical Epileptology (A.A.), Sleep Disorders and Functional Neurology, Member of ERN-EpiCARE; HFME (A.A.), Hospices Civils de Lyon, France; Epilepsy Research Unit (A.A.), Barcelona's Children Hospital San Juan de Dios, Member of the ERN EpiCARE, Spain; Epilepsy Research Centre (S.F.B.), University of Melbourne, Australia; Division of Pediatric Neurology (J.F.K.), Barrow Neurological Institute at Phoenix Children's Hospital; Hope for Hypothalamic Hamartomas (I.P.M., E.W., L.S.), Phoenix, AZ; Epilepsy Surgery Program (A.C.), Clinica de Epilepsia de Sao Paulo, Brazil; Department of Epidemiology (D.K.H.), Columbia University Medical Center, New York, NY; RTI International (B.L.K.), Rockville, MD; Department of Neurology (C.B.S.), Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; and Epilepsy Center (A.S.-B.), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Germany.
| | - J Helen Cross
- From the Center for Neuroscience Research (N.T.C., W.D.G.), Children's National Hospital, The George Washington University School of Medicine, Washington, DC; UCL NIHR BRC Great Ormond Street Institute of Child Health (J.H.C.), Member of ERN-EpiCARE, London; Great Ormond Street Hospital for Children (J.H.C.), NHS Trust, London; Young Epilepsy (J.H.C.), Lingfield, Surrey, UK; Department of Pediatric Clinical Epileptology (A.A.), Sleep Disorders and Functional Neurology, Member of ERN-EpiCARE; HFME (A.A.), Hospices Civils de Lyon, France; Epilepsy Research Unit (A.A.), Barcelona's Children Hospital San Juan de Dios, Member of the ERN EpiCARE, Spain; Epilepsy Research Centre (S.F.B.), University of Melbourne, Australia; Division of Pediatric Neurology (J.F.K.), Barrow Neurological Institute at Phoenix Children's Hospital; Hope for Hypothalamic Hamartomas (I.P.M., E.W., L.S.), Phoenix, AZ; Epilepsy Surgery Program (A.C.), Clinica de Epilepsia de Sao Paulo, Brazil; Department of Epidemiology (D.K.H.), Columbia University Medical Center, New York, NY; RTI International (B.L.K.), Rockville, MD; Department of Neurology (C.B.S.), Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; and Epilepsy Center (A.S.-B.), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Germany
| | - Alexis Arzimanoglou
- From the Center for Neuroscience Research (N.T.C., W.D.G.), Children's National Hospital, The George Washington University School of Medicine, Washington, DC; UCL NIHR BRC Great Ormond Street Institute of Child Health (J.H.C.), Member of ERN-EpiCARE, London; Great Ormond Street Hospital for Children (J.H.C.), NHS Trust, London; Young Epilepsy (J.H.C.), Lingfield, Surrey, UK; Department of Pediatric Clinical Epileptology (A.A.), Sleep Disorders and Functional Neurology, Member of ERN-EpiCARE; HFME (A.A.), Hospices Civils de Lyon, France; Epilepsy Research Unit (A.A.), Barcelona's Children Hospital San Juan de Dios, Member of the ERN EpiCARE, Spain; Epilepsy Research Centre (S.F.B.), University of Melbourne, Australia; Division of Pediatric Neurology (J.F.K.), Barrow Neurological Institute at Phoenix Children's Hospital; Hope for Hypothalamic Hamartomas (I.P.M., E.W., L.S.), Phoenix, AZ; Epilepsy Surgery Program (A.C.), Clinica de Epilepsia de Sao Paulo, Brazil; Department of Epidemiology (D.K.H.), Columbia University Medical Center, New York, NY; RTI International (B.L.K.), Rockville, MD; Department of Neurology (C.B.S.), Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; and Epilepsy Center (A.S.-B.), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Germany
| | - Samuel F Berkovic
- From the Center for Neuroscience Research (N.T.C., W.D.G.), Children's National Hospital, The George Washington University School of Medicine, Washington, DC; UCL NIHR BRC Great Ormond Street Institute of Child Health (J.H.C.), Member of ERN-EpiCARE, London; Great Ormond Street Hospital for Children (J.H.C.), NHS Trust, London; Young Epilepsy (J.H.C.), Lingfield, Surrey, UK; Department of Pediatric Clinical Epileptology (A.A.), Sleep Disorders and Functional Neurology, Member of ERN-EpiCARE; HFME (A.A.), Hospices Civils de Lyon, France; Epilepsy Research Unit (A.A.), Barcelona's Children Hospital San Juan de Dios, Member of the ERN EpiCARE, Spain; Epilepsy Research Centre (S.F.B.), University of Melbourne, Australia; Division of Pediatric Neurology (J.F.K.), Barrow Neurological Institute at Phoenix Children's Hospital; Hope for Hypothalamic Hamartomas (I.P.M., E.W., L.S.), Phoenix, AZ; Epilepsy Surgery Program (A.C.), Clinica de Epilepsia de Sao Paulo, Brazil; Department of Epidemiology (D.K.H.), Columbia University Medical Center, New York, NY; RTI International (B.L.K.), Rockville, MD; Department of Neurology (C.B.S.), Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; and Epilepsy Center (A.S.-B.), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Germany
| | - John F Kerrigan
- From the Center for Neuroscience Research (N.T.C., W.D.G.), Children's National Hospital, The George Washington University School of Medicine, Washington, DC; UCL NIHR BRC Great Ormond Street Institute of Child Health (J.H.C.), Member of ERN-EpiCARE, London; Great Ormond Street Hospital for Children (J.H.C.), NHS Trust, London; Young Epilepsy (J.H.C.), Lingfield, Surrey, UK; Department of Pediatric Clinical Epileptology (A.A.), Sleep Disorders and Functional Neurology, Member of ERN-EpiCARE; HFME (A.A.), Hospices Civils de Lyon, France; Epilepsy Research Unit (A.A.), Barcelona's Children Hospital San Juan de Dios, Member of the ERN EpiCARE, Spain; Epilepsy Research Centre (S.F.B.), University of Melbourne, Australia; Division of Pediatric Neurology (J.F.K.), Barrow Neurological Institute at Phoenix Children's Hospital; Hope for Hypothalamic Hamartomas (I.P.M., E.W., L.S.), Phoenix, AZ; Epilepsy Surgery Program (A.C.), Clinica de Epilepsia de Sao Paulo, Brazil; Department of Epidemiology (D.K.H.), Columbia University Medical Center, New York, NY; RTI International (B.L.K.), Rockville, MD; Department of Neurology (C.B.S.), Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; and Epilepsy Center (A.S.-B.), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Germany
| | - Ilene Penn Miller
- From the Center for Neuroscience Research (N.T.C., W.D.G.), Children's National Hospital, The George Washington University School of Medicine, Washington, DC; UCL NIHR BRC Great Ormond Street Institute of Child Health (J.H.C.), Member of ERN-EpiCARE, London; Great Ormond Street Hospital for Children (J.H.C.), NHS Trust, London; Young Epilepsy (J.H.C.), Lingfield, Surrey, UK; Department of Pediatric Clinical Epileptology (A.A.), Sleep Disorders and Functional Neurology, Member of ERN-EpiCARE; HFME (A.A.), Hospices Civils de Lyon, France; Epilepsy Research Unit (A.A.), Barcelona's Children Hospital San Juan de Dios, Member of the ERN EpiCARE, Spain; Epilepsy Research Centre (S.F.B.), University of Melbourne, Australia; Division of Pediatric Neurology (J.F.K.), Barrow Neurological Institute at Phoenix Children's Hospital; Hope for Hypothalamic Hamartomas (I.P.M., E.W., L.S.), Phoenix, AZ; Epilepsy Surgery Program (A.C.), Clinica de Epilepsia de Sao Paulo, Brazil; Department of Epidemiology (D.K.H.), Columbia University Medical Center, New York, NY; RTI International (B.L.K.), Rockville, MD; Department of Neurology (C.B.S.), Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; and Epilepsy Center (A.S.-B.), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Germany
| | - Erica Webster
- From the Center for Neuroscience Research (N.T.C., W.D.G.), Children's National Hospital, The George Washington University School of Medicine, Washington, DC; UCL NIHR BRC Great Ormond Street Institute of Child Health (J.H.C.), Member of ERN-EpiCARE, London; Great Ormond Street Hospital for Children (J.H.C.), NHS Trust, London; Young Epilepsy (J.H.C.), Lingfield, Surrey, UK; Department of Pediatric Clinical Epileptology (A.A.), Sleep Disorders and Functional Neurology, Member of ERN-EpiCARE; HFME (A.A.), Hospices Civils de Lyon, France; Epilepsy Research Unit (A.A.), Barcelona's Children Hospital San Juan de Dios, Member of the ERN EpiCARE, Spain; Epilepsy Research Centre (S.F.B.), University of Melbourne, Australia; Division of Pediatric Neurology (J.F.K.), Barrow Neurological Institute at Phoenix Children's Hospital; Hope for Hypothalamic Hamartomas (I.P.M., E.W., L.S.), Phoenix, AZ; Epilepsy Surgery Program (A.C.), Clinica de Epilepsia de Sao Paulo, Brazil; Department of Epidemiology (D.K.H.), Columbia University Medical Center, New York, NY; RTI International (B.L.K.), Rockville, MD; Department of Neurology (C.B.S.), Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; and Epilepsy Center (A.S.-B.), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Germany
| | - Lisa Soeby
- From the Center for Neuroscience Research (N.T.C., W.D.G.), Children's National Hospital, The George Washington University School of Medicine, Washington, DC; UCL NIHR BRC Great Ormond Street Institute of Child Health (J.H.C.), Member of ERN-EpiCARE, London; Great Ormond Street Hospital for Children (J.H.C.), NHS Trust, London; Young Epilepsy (J.H.C.), Lingfield, Surrey, UK; Department of Pediatric Clinical Epileptology (A.A.), Sleep Disorders and Functional Neurology, Member of ERN-EpiCARE; HFME (A.A.), Hospices Civils de Lyon, France; Epilepsy Research Unit (A.A.), Barcelona's Children Hospital San Juan de Dios, Member of the ERN EpiCARE, Spain; Epilepsy Research Centre (S.F.B.), University of Melbourne, Australia; Division of Pediatric Neurology (J.F.K.), Barrow Neurological Institute at Phoenix Children's Hospital; Hope for Hypothalamic Hamartomas (I.P.M., E.W., L.S.), Phoenix, AZ; Epilepsy Surgery Program (A.C.), Clinica de Epilepsia de Sao Paulo, Brazil; Department of Epidemiology (D.K.H.), Columbia University Medical Center, New York, NY; RTI International (B.L.K.), Rockville, MD; Department of Neurology (C.B.S.), Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; and Epilepsy Center (A.S.-B.), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Germany
| | - Arthur Cukiert
- From the Center for Neuroscience Research (N.T.C., W.D.G.), Children's National Hospital, The George Washington University School of Medicine, Washington, DC; UCL NIHR BRC Great Ormond Street Institute of Child Health (J.H.C.), Member of ERN-EpiCARE, London; Great Ormond Street Hospital for Children (J.H.C.), NHS Trust, London; Young Epilepsy (J.H.C.), Lingfield, Surrey, UK; Department of Pediatric Clinical Epileptology (A.A.), Sleep Disorders and Functional Neurology, Member of ERN-EpiCARE; HFME (A.A.), Hospices Civils de Lyon, France; Epilepsy Research Unit (A.A.), Barcelona's Children Hospital San Juan de Dios, Member of the ERN EpiCARE, Spain; Epilepsy Research Centre (S.F.B.), University of Melbourne, Australia; Division of Pediatric Neurology (J.F.K.), Barrow Neurological Institute at Phoenix Children's Hospital; Hope for Hypothalamic Hamartomas (I.P.M., E.W., L.S.), Phoenix, AZ; Epilepsy Surgery Program (A.C.), Clinica de Epilepsia de Sao Paulo, Brazil; Department of Epidemiology (D.K.H.), Columbia University Medical Center, New York, NY; RTI International (B.L.K.), Rockville, MD; Department of Neurology (C.B.S.), Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; and Epilepsy Center (A.S.-B.), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Germany
| | - Dale K Hesdorffer
- From the Center for Neuroscience Research (N.T.C., W.D.G.), Children's National Hospital, The George Washington University School of Medicine, Washington, DC; UCL NIHR BRC Great Ormond Street Institute of Child Health (J.H.C.), Member of ERN-EpiCARE, London; Great Ormond Street Hospital for Children (J.H.C.), NHS Trust, London; Young Epilepsy (J.H.C.), Lingfield, Surrey, UK; Department of Pediatric Clinical Epileptology (A.A.), Sleep Disorders and Functional Neurology, Member of ERN-EpiCARE; HFME (A.A.), Hospices Civils de Lyon, France; Epilepsy Research Unit (A.A.), Barcelona's Children Hospital San Juan de Dios, Member of the ERN EpiCARE, Spain; Epilepsy Research Centre (S.F.B.), University of Melbourne, Australia; Division of Pediatric Neurology (J.F.K.), Barrow Neurological Institute at Phoenix Children's Hospital; Hope for Hypothalamic Hamartomas (I.P.M., E.W., L.S.), Phoenix, AZ; Epilepsy Surgery Program (A.C.), Clinica de Epilepsia de Sao Paulo, Brazil; Department of Epidemiology (D.K.H.), Columbia University Medical Center, New York, NY; RTI International (B.L.K.), Rockville, MD; Department of Neurology (C.B.S.), Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; and Epilepsy Center (A.S.-B.), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Germany
| | - Barbara L Kroner
- From the Center for Neuroscience Research (N.T.C., W.D.G.), Children's National Hospital, The George Washington University School of Medicine, Washington, DC; UCL NIHR BRC Great Ormond Street Institute of Child Health (J.H.C.), Member of ERN-EpiCARE, London; Great Ormond Street Hospital for Children (J.H.C.), NHS Trust, London; Young Epilepsy (J.H.C.), Lingfield, Surrey, UK; Department of Pediatric Clinical Epileptology (A.A.), Sleep Disorders and Functional Neurology, Member of ERN-EpiCARE; HFME (A.A.), Hospices Civils de Lyon, France; Epilepsy Research Unit (A.A.), Barcelona's Children Hospital San Juan de Dios, Member of the ERN EpiCARE, Spain; Epilepsy Research Centre (S.F.B.), University of Melbourne, Australia; Division of Pediatric Neurology (J.F.K.), Barrow Neurological Institute at Phoenix Children's Hospital; Hope for Hypothalamic Hamartomas (I.P.M., E.W., L.S.), Phoenix, AZ; Epilepsy Surgery Program (A.C.), Clinica de Epilepsia de Sao Paulo, Brazil; Department of Epidemiology (D.K.H.), Columbia University Medical Center, New York, NY; RTI International (B.L.K.), Rockville, MD; Department of Neurology (C.B.S.), Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; and Epilepsy Center (A.S.-B.), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Germany
| | - Clifford B Saper
- From the Center for Neuroscience Research (N.T.C., W.D.G.), Children's National Hospital, The George Washington University School of Medicine, Washington, DC; UCL NIHR BRC Great Ormond Street Institute of Child Health (J.H.C.), Member of ERN-EpiCARE, London; Great Ormond Street Hospital for Children (J.H.C.), NHS Trust, London; Young Epilepsy (J.H.C.), Lingfield, Surrey, UK; Department of Pediatric Clinical Epileptology (A.A.), Sleep Disorders and Functional Neurology, Member of ERN-EpiCARE; HFME (A.A.), Hospices Civils de Lyon, France; Epilepsy Research Unit (A.A.), Barcelona's Children Hospital San Juan de Dios, Member of the ERN EpiCARE, Spain; Epilepsy Research Centre (S.F.B.), University of Melbourne, Australia; Division of Pediatric Neurology (J.F.K.), Barrow Neurological Institute at Phoenix Children's Hospital; Hope for Hypothalamic Hamartomas (I.P.M., E.W., L.S.), Phoenix, AZ; Epilepsy Surgery Program (A.C.), Clinica de Epilepsia de Sao Paulo, Brazil; Department of Epidemiology (D.K.H.), Columbia University Medical Center, New York, NY; RTI International (B.L.K.), Rockville, MD; Department of Neurology (C.B.S.), Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; and Epilepsy Center (A.S.-B.), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Germany
| | - Andreas Schulze-Bonhage
- From the Center for Neuroscience Research (N.T.C., W.D.G.), Children's National Hospital, The George Washington University School of Medicine, Washington, DC; UCL NIHR BRC Great Ormond Street Institute of Child Health (J.H.C.), Member of ERN-EpiCARE, London; Great Ormond Street Hospital for Children (J.H.C.), NHS Trust, London; Young Epilepsy (J.H.C.), Lingfield, Surrey, UK; Department of Pediatric Clinical Epileptology (A.A.), Sleep Disorders and Functional Neurology, Member of ERN-EpiCARE; HFME (A.A.), Hospices Civils de Lyon, France; Epilepsy Research Unit (A.A.), Barcelona's Children Hospital San Juan de Dios, Member of the ERN EpiCARE, Spain; Epilepsy Research Centre (S.F.B.), University of Melbourne, Australia; Division of Pediatric Neurology (J.F.K.), Barrow Neurological Institute at Phoenix Children's Hospital; Hope for Hypothalamic Hamartomas (I.P.M., E.W., L.S.), Phoenix, AZ; Epilepsy Surgery Program (A.C.), Clinica de Epilepsia de Sao Paulo, Brazil; Department of Epidemiology (D.K.H.), Columbia University Medical Center, New York, NY; RTI International (B.L.K.), Rockville, MD; Department of Neurology (C.B.S.), Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; and Epilepsy Center (A.S.-B.), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Germany
| | - William D Gaillard
- From the Center for Neuroscience Research (N.T.C., W.D.G.), Children's National Hospital, The George Washington University School of Medicine, Washington, DC; UCL NIHR BRC Great Ormond Street Institute of Child Health (J.H.C.), Member of ERN-EpiCARE, London; Great Ormond Street Hospital for Children (J.H.C.), NHS Trust, London; Young Epilepsy (J.H.C.), Lingfield, Surrey, UK; Department of Pediatric Clinical Epileptology (A.A.), Sleep Disorders and Functional Neurology, Member of ERN-EpiCARE; HFME (A.A.), Hospices Civils de Lyon, France; Epilepsy Research Unit (A.A.), Barcelona's Children Hospital San Juan de Dios, Member of the ERN EpiCARE, Spain; Epilepsy Research Centre (S.F.B.), University of Melbourne, Australia; Division of Pediatric Neurology (J.F.K.), Barrow Neurological Institute at Phoenix Children's Hospital; Hope for Hypothalamic Hamartomas (I.P.M., E.W., L.S.), Phoenix, AZ; Epilepsy Surgery Program (A.C.), Clinica de Epilepsia de Sao Paulo, Brazil; Department of Epidemiology (D.K.H.), Columbia University Medical Center, New York, NY; RTI International (B.L.K.), Rockville, MD; Department of Neurology (C.B.S.), Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; and Epilepsy Center (A.S.-B.), Faculty of Medicine, Medical Center-University of Freiburg, University of Freiburg, Germany
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