Search Results - "Ludvigsson, Petur"

Depression and suicide attempt as risk factors for incident unprovoked seizures by Hesdorffer, Dale C., Hauser, W. Allen, Olafsson, Elias, Ludvigsson, Petur, Kjartansson, Olafur

“…Major depression has been shown to increase the risk for development of epilepsy, but prior studies have not evaluated whether this is due to specific symptoms…”
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Incidence of unprovoked seizures and epilepsy in Iceland and assessment of the epilepsy syndrome classification: a prospective study by Olafsson, Elias, Ludvigsson, Petur, Gudmundsson, Gunnar, Hesdorffer, Dale, Kjartansson, Olafur, Hauser, W Allen

“…No population-based incidence studies of epilepsy have studied syndrome classification from the outset. We prospectively studied the incidence of a single…”
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Socioeconomic Status Is a Risk Factor for Epilepsy in Icelandic Adults but Not in Children by Hesdorffer, Dale C., Tian, Hong, Anand, Kishlay, Hauser, W. Allen, Ludvigsson, Petur, Olafsson, Elias, Kjartansson, Olafur

“…Purpose: Two earlier population‐based studies provide conflicting information on the association between low socioeconomic status (SES) and risk for epilepsy…”
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Risk of autism spectrum disorders after infantile spasms: A population‐based study nested in a cohort with seizures in the first year of life by Saemundsen, Evald, Ludvigsson, Petur, Rafnsson, Vilhjalmur

“…Summary Purpose:  No population‐based study has investigated the risk of autism spectrum disorders (ASDs) in children after unprovoked seizures with onset in…”
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Rolandic Epilepsy: An Incidence Study in Iceland by Astradsson, Arnar, Olafsson, Elias, Ludvigsson, Petur, Björgvinsson, Hilmar, Hauser, W. Allen

“…Purpose: We wished to determine incidence, clinical features, and prognosis of benign rolandic seizures (BRS) and benign rolandic epilepsy (BRE) in a total…”
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Autism Spectrum Disorders in Children with Seizures in the First Year of Life—A Population‐Based Study by Saemundsen, Evald, Ludvigsson, Petur, Hilmarsdottir, Ingibjorg, Rafnsson, Vilhjalmur

“…Purpose: To describe autistic spectrum disorders (ASDs) in a cohort of children with history of unprovoked seizures other than infantile spasms in the first…”
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Autism Spectrum Disorders in Children With a History of Infantile Spasms: A Population-Based Study by Saemundsen, Evald, Ludvigsson, Petur, Rafnsson, Vilhjalmur

“…The objective of this article is to describe autistic spectrum disorders in children diagnosed with infantile spasms in the first year of life. The source of…”
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Population-level deficit of homozygosity unveils CPSF3 as an intellectual disability syndrome gene by Arnadottir, Gudny A., Oddsson, Asmundur, Jensson, Brynjar O., Gisladottir, Svanborg, Simon, Mariella T., Arnthorsson, Asgeir O., Katrinardottir, Hildigunnur, Fridriksdottir, Run, Ivarsdottir, Erna V., Jonasdottir, Adalbjorg, Jonasdottir, Aslaug, Barrick, Rebekah, Saemundsdottir, Jona, le Roux, Louise, Oskarsson, Gudjon R., Asmundsson, Jurate, Steffensen, Thora, Gudmundsson, Kjartan R., Ludvigsson, Petur, Jonsson, Jon J., Masson, Gisli, Jonsdottir, Ingileif, Holm, Hilma, Jonasson, Jon G., Magnusson, Olafur Th, Thorarensen, Olafur, Abdenur, Jose, Norddahl, Gudmundur L., Gudbjartsson, Daniel F., Bjornsson, Hans T., Thorsteinsdottir, Unnur, Sulem, Patrick, Stefansson, Kari

“…Predicting the pathogenicity of biallelic missense variants can be challenging. Here, we use a deficit of observed homozygous carriers of missense variants,…”
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Migraine with aura is a risk factor for unprovoked seizures in children by Ludvigsson, Petur, Hesdorffer, Dale, Olafsson, Elias, Kjartansson, Olafur, Hauser, W. Allen

“…Objective Migraine is associated with epilepsy, but the time order and nature of the relationship are unclear. We conducted a population based case control…”
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Prevalence of recurrent symptoms and their association with epilepsy and febrile seizure in school-aged children: A community-based survey in Iceland by Baldin, Elisa, Ludvigsson, Petur, Mixa, Olafur, Hesdorffer, Dale C

“…Abstract We determined the prevalence of common recurrent symptoms in a community-based study of children and investigated whether these symptoms were…”
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Incidence of epilepsy in rural Iceland: a population-based study by Olafsson, E, Hauser, W A, Ludvigsson, P, Gudmundsson, G

“…We wished to determine the incidence of epilepsy in the population of rural Iceland. Cases were identified through review of records of primary care facilities…”
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Genome-Wide Association Study Meta-Analysis of 9619 Cases With Tic Disorders by Strom, Nora I., Halvorsen, Matthew W., Grove, Jakob, Ásbjörnsdóttir, Bergrún, Thorarensen, Ólafur, de Schipper, Elles, Bäckmann, Julia, Tian, Chao, Sul, Jae Hoon, Tsetsos, Fotis, Zelaya, Ivette, Osiecki, Lisa, Darrow, Sabrina M., Hirschtritt, Matthew E., Greenberg, Erica, Stuhrmann, Manfred, Dion, Yves, Rouleau, Guy, Aschauer, Harald, Stamenkovic, Mara, Schlögelhofer, Monika, Barr, Cathy L., Grados, Marco, Hinney, Anke, King, Robert A., Fernandez, Thomas V., Barta, Csaba, Tarnok, Zsanett, Nagy, Peter, Depienne, Christel, Worbe, Yulia, Hartmann, Andreas, Budman, Cathy L., Lyon, Gholson J., McMahon, William M., Batterson, James R., Malaty, Irene A., Okun, Michael S., Berlin, Cheston, Woods, Douglas W., Lee, Paul C., Jankovic, Joseph, Robertson, Mary M., Gilbert, Donald L., Brown, Lawrence W., Coffey, Barbara J., Hoekstra, Pieter J., Zinner, Samuel H., Luðvigsson, Pétur, Thorarensen, Ólafur, Atzmon, Gil, Barzilai, Nir, Moessner, Rainald, Ophoff, Roel, Pato, Carlos N., Knowles, James A., Buckner, Randy L., Willsey, Jeremy A., Tischfield, Jay A., Heiman, Gary A., Stefansson, Hreinn, Stefansson, Kári, Posthuma, Danielle, Pauls, David L., Freimer, Nelson B., Davis, Lea K., Paschou, Peristera, Coppola, Giovanni, Mathews, Carol A., Scharf, Jeremiah M., Agee, Michelle, Auton, Adam, Elson, Sarah L., Furlotte, Nicholas A., Hicks, Barry, Jewett, Ethan M., Jiang, Yunxuan, Kleinman, Aaron, Lin, Keng-Han, Litterman, Nadia K., McIntyre, Matthew H., McManus, Kimberly F., Mountain, Joanna L., Pitts, Steven J., Poznik, G. David, Sathirapongsasuti, J. Fah, Shelton, Janie F., Shringarpure, Suyash, Tung, Joyce Y., Wang, Xin, Als, Thomas Damm, Meier, Sandra M., Bybjerg-Grauholm, Jonas, Hougaard, David M., Werge, Thomas, Børglum, Anders D., Hinds, David A., Rück, Christian, Mataix-Cols, David, Mattheisen, Manuel

“…Despite the significant personal and societal burden of tic disorders (TDs), treatment outcomes remain modest, necessitating a deeper understanding of their…”
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A de novo 1.13 Mb microdeletion in 12q13.13 associated with congenital distal arthrogryposis, intellectual disability and mild dysmorphism by Jonsson, Dagur Ingi, Ludvigsson, Petur, Aradhya, Swaroop, Sigurdardottir, Sunna, Steinarsdottir, Margret, Hauksdottir, Helga, Jonsson, Jon Johannes

“…Abstract A girl presented with congenital arthrogryposis, intellectual disability and mild bone-related dysmorphism. Molecular workup including the NimbleGen…”
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Epilepsy and suicide risk by Hesdorffer, Dale C, Hauser, W Allen, Olafsson, Elias, Ludvigsson, Petur, Kjartansson, Olafur

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Rickets in a child by Kristinsdottir, Harpa, Jonasdottir, Soffía, Bjornsson, Sigurdur, Ludvigsson, Petur

“…Vitamin D is necessary for normal bone growth. Deficiency of vitamin D can lead to rickets in children and osteomalacia in adults. It is difficult to reach the…”
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Epilepsy and suicide risk/Authors' reply by Hesdorffer, Dale C, Hauser, W Allen, Olafsson, Elias, Ludvigsson, Petur, Kjartansson, Olafur, Christensen, Jakob, Vestergaard, Mogens, Mortensen, Preben Bo, Sidenius, Per, Agerbo, Esben

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Co-occurrence of major depression or suicide attempt with migraine with aura and risk for unprovoked seizure by Hesdorffer, Dale C, Lúðvígsson, Pétur, Hauser, W. Allen, Ólafsson, Elías, Kjartansson, Ólafur

“…Summary We hypothesized and found that the co-occurrence of migraine with aura (MA) with major depression (MD) or with suicide attempt (SA) increases the risk…”
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Acute ischemic stroke in female adolescent - Case report by Stefánsdóttir, Anna, Löve, Áskell, Thrainsdottir, Sóley Gudrún, Ludvígsson, Pétur

“…During soccer practice a fifteen year old girl experienced a sudden onset of pain in the left side of her neck and collapsed. Upon arrival at the emergency…”
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Prevalence of symptomatic Charcot-Marie-Tooth disease in Iceland: a study of a well-defined population by Gudmundsson, Bjarni, Olafsson, Elías, Jakobsson, Finnbogi, Lúthvígsson, Pétur

“…To determine the prevalence and clinical spectrum of Charcot-Marie-Tooth disease (CMT) in Iceland. We identified all individuals with symptomatic CMT, based on…”
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Association of AADAC Deletion and Gilles de la Tourette Syndrome in a Large European Cohort by Bertelsen, Birgitte, Stefánsson, Hreinn, Riff Jensen, Lars, Melchior, Linea, Mol Debes, Nanette, Groth, Camilla, Skov, Liselotte, Werge, Thomas, Karagiannidis, Iordanis, Tarnok, Zsanett, Barta, Csaba, Nagy, Peter, Farkas, Luca, Brøndum-Nielsen, Karen, Rizzo, Renata, Gulisano, Mariangela, Rujescu, Dan, Kiemeney, Lambertus A, Tosato, Sarah, Nawaz, Muhammad Sulaman, Ingason, Andres, Unnsteinsdottir, Unnur, Steinberg, Stacy, Ludvigsson, Pétur, Stefansson, Kari, Kuss, Andreas Walter, Paschou, Peristera, Cath, Danielle, Hoekstra, Pieter J, Müller-Vahl, Kirsten, Stuhrmann, Manfred, Silahtaroglu, Asli, Pfundt, Rolph, Tümer, Zeynep

“…Abstract Background Gilles de la Tourette syndrome (GTS) is a complex neuropsychiatric disorder with a strong genetic influence where copy number variations…”
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