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2019
1 Brodtkorb, Eylert; Samsonsen, Christian; Jørgensen, Jan V.; Helde, Grethe.
Epilepsy patients with and without perceived benefit from vagus nerve stimulation: A long-term observational single center study. Seizure 2019 ;Volum 72. s. 28-32
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2 Jenssen, Astrid Bjørke; Stovner, Lars Jacob; Tronvik, Erling Andreas; Sand, Trond; Helde, Grethe; Gravdahl, Gøril Bruvik; Hagen, Knut.
The crossover design for migraine preventives: an analyses of four randomized placebo-controlled trials. The Journal of Headache and Pain 2019 ;Volum 20. s. 1-8
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2018
3 Hagen, Knut; Åsberg, Anders Nikolai; Uhlig, Benjamin Langsæter; Tronvik, Erling Andreas; Brenner, Eiliv; Stjern, Marit; Helde, Grethe; Gravdahl, Gøril Bruvik; Sand, Trond.
The epidemiology of headache disorders: a face-to-face interview of participants in HUNT4. The Journal of Headache and Pain 2018 ;Volum 19. s. 1-6
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4 Reimers, Arne; Helde, Grethe; Becser Andersen, Noémi; Aurlien, Dag; Navjord, Elisabeth Surlien; Haggag, Kathrine J; Christensen, Jakob; Lillestølen, Kari Mette; Nakken, Karl Otto; Brodtkorb, Eylert.
Zonisamide serum concentrations during pregnancy. Epilepsy Research 2018 ;Volum 144. s. 25-29
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5 Samsonsen, Christian; Myklebust, Harald; Strindler, Tåle; Bråthen, Geir; Helde, Grethe; Brodtkorb, Eylert.
The seizure precipitating effect of alcohol: A prospective observational cross-over study. Epilepsy Research 2018 ;Volum 143. s. 82-89
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2016
6 Brodtkorb, Eylert; Samsonsen, Christian; Sund, Janne Kutschera; Bråthen, Geir; Helde, Grethe; Reimers, Arne.
Treatment non-adherence in pseudo-refractory epilepsy. Epilepsy Research 2016 ;Volum 122. s. 1-6
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7 Samsonsen, Christian; Sand, Trond Halfdan; Bråthen, Geir; Helde, Grethe; Brodtkorb, Eylert August.
The impact of sleep loss on the facilitation of seizures: A prospective case-crossover study. Epilepsy Research 2016 ;Volum 127. s. 260-266
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8 Shirzadi, Maryam; Reimers, Arne; Helde, Grethe; Sjursen, Wenche; Brodtkorb, Eylert.
No association between non-bullous skin reactions from lamotrigine and heterozygosity of UGT1A4 genetic variants *2(P24T) or *3(L48V). 12th European Congress on Epilepsy; 2016-09-11 - 2016-09-20
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9 Shirzadi, Maryam; Reimers, Arne; Helde, Grethe; Sjursen, Wenche; Brodtkorb, Eylert.
No association between non-bullous skin reactions from lamotrigine and heterozygosity of UGT1A4 genetic variants *2(P24T) or *3(L48V) in Norwegian patients. Seizure 2016 ;Volum 45. s. 169-171
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2015
10 Hagen, Knut; Brenner, Eiliv; Linde, Mattias; Gravdahl, Gøril Bruvik; Tronvik, Erling; Engstrøm, Morten; Sonnewald, Ursula; Helde, Grethe; Stovner, Lars Jacob; Sand, Trond.
Acetyl-l-carnitine versus placebo for migraine prophylaxis: A randomized, triple-blind, crossover study. Cephalalgia 2015 ;Volum 35.(11) s. 987-995
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11 Shirzadi, Maryam; Thorstensen, Ketil; Helde, Grethe; Moen, Torolf; Brodtkorb, Eylert.
Do HLA-A markers predict skin-reactions from aromatic antiepileptic drugs in a Norwegian population? A case control study. Epilepsy Research 2015 ;Volum 118. s. 5-9
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2014
12 Reimers, Arne; Sjursen, Wenche; Helde, Grethe; Brodtkorb, Eylert.
Frequencies of UGT1A4*2 (P24T) and *3 (L48V) and their effects on serum concentrations of lamotrigine. European journal of drug metabolism and pharmacokinetics 2014
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13 Samsonsen, Christian; Reimers, Arne; Bråthen, Geir; Helde, Grethe; Brodtkorb, Eylert.
Non-adherence to AEDs causing acute hospitalizations in people with epilepsy: An observational, prospective study. 11th European Congress on Epilepsy; 2014-06-29 - 2014-07-03
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14 Samsonsen, Christian; Reimers, Arne; Bråthen, Geir; Helde, Grethe; Brodtkorb, Eylert.
Nonadherence to treatment causing acute hospitalizations in people with epilepsy: An observational, prospective study. Epilepsia 2014 ;Volum 55.(11) s. e125-e128
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15 Shirzadi, Maryam; Thorstensen, Ketil; Helde, Grethe; Moen, Torolf; Brodtkorb, Eylert.
Are HLA-A markers useful in predicting mild rash from AEDs?. Eilat Conferences on new antiepileptic drugs.; 2014-08-31 - 2014-09-03
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16 Thorstensen, Ketil; Kvitland, Mona Andersen; Shirzadi, Maryam; Helde, Grethe; Moen, Torolf; Brodtkorb, Eylert.
Carbamazepine-induced cutaneous reactions: A simple assay to identify patients carrying the HLA-A ?. Scandinavian Journal of Clinical and Laboratory Investigation 2014 ;Volum 74.(7) s. 644-647
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2013
17 Samsonsen, Christian; Bråthen, Geir; Reimers, Arne; Helde, Grethe; Brodtkorb, Eylert.
Is dietary caffeine involved in seizure precipitation?. Epilepsy & Behavior 2013 ;Volum 28.(2) s. 147-150
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2012
18 Samsonsen, Christian; Bråthen, Geir; Brodtkorb, Eylert; Helde, Grethe.
Er koffein en anfallsutløsende faktor ved epilepsi?. Nevrodagene; 2012-03-09 - 2015-03-09
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2011
19 Hagen, Knut; Albretsen, Claus; Vilming, Steinar; Salvesen, Rolf; Grønning, Marit; Helde, Grethe; Gravdahl, Gøril Bruvik; Zwart, John-Anker; Stovner, Lars Jacob.
A 4-year follow-up of patients with medication-overuse headache previously included in a randomized multicentre study. The Journal of Headache and Pain 2011 ;Volum 12.(3) s. 315-322
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20 Kvisvik, Elisabeth Volden; Stovner, Lars Jacob; Helde, Grethe; Bovim, Gunnar; Linde, Mattias.
Headache and migraine during pregnancy and puerperium: the MIGRA-study. The Journal of Headache and Pain 2011 ;Volum 12.(4) s. 443-451
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21 Linde, Mattias; Hagen, Knut; Salvesen, Øyvind; Gravdahl, Gøril Bruvik; Helde, Grethe; Stovner, Lars Jacob.
Onabotulinum toxin A treatment of cervicogenic headache: A randomised, double-blind, placebo-controlled crossover study. Cephalalgia 2011 ;Volum 31.(7) s. 797-807
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22 Reimers, Arne; Helde, Grethe; Bråthen, Geir; Brodtkorb, Eylert.
Lamotrigine and its N2-glucuronide during pregnancy: The significance of renal clearance and estradiol. Epilepsy Research 2011 ;Volum 94.(3) s. 198-205
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2010
23 Aamodt, Anne Hege; Kristoffersen, Anders; Kvistad, Kjell Arne; Helde, Grethe; Kværness, Jørn; Waage, Anders; Stovner, Lars Jacob.
Iron deposition in deep brain nuclei in haemochromatosis: a magnetic resonance imaging study. European Journal of Neurology 2010 ;Volum 17. s. 24-24
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24 Hagen, Knut; Albretsen, Claus; Vilming, Steinar T.; Salvesen, Rolf; Grønning, Marit; Helde, Grethe; Gravdahl, Gøril Bruvik; Zwart, John-Anker; Stovner, Lars Jacob.
A 4-year follow-up of patients with medication-overuse headache included in a randomized multicentre study. EHMTIC; 2010-10-28 - 2010-10-31
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25 Hagen, Knut; Albretsen, Claus; Vilming, Steinar T.; Salvesen, Rolf; Grønning, Marit; Helde, Grethe; Gravdahl, Gøril Bruvik; Zwart, John-Anker; Stovner, Lars Jacob.
En 4-års oppfølging av pasienter med medikamentoverforbrukshodepine tidligere inkludert i en randomisert multisenterstudie. De XXIII Nevrodagene; 2010-11-22 - 2010-11-26
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26 Hagen, Knut; Zwart, John-Anker; Aamodt, Anne Hege; Nilsen, Kristian Bernhard; Bråthen, Geir; Helde, Grethe; Stjern, Marit; Tronvik, Erling; Stovner, Lars Jacob.
The validity of questionnaire-based diagnoses: the third Nord-Trøndelag Health study 2006-2008. The Journal of Headache and Pain 2010 ;Volum 11.(1) s. 67-73
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27 Linde, Mattias; Hagen, Knut; Salvesen, Øyvind; Gravdahl, Gøril Bruvik; Helde, Grethe; Stovner, Lars Jacob.
Onabotulinum Toxin A treatment of cervicogenic headache. Arndomized, double-blind, placebo-controled cross-over study. EHMTIC; 2010-10-28 - 2010-10-31
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28 Linde, Mattias; Hagen, Knut; Salvesen, Øyvind; Gravdahl, Gøril Bruvik; Helde, Grethe; Stovner, Lars Jacob.
Onabotulinum toxin A-behnadling av cervikogen hodepine: En randomisert, dobbelt-blindet, placebo-kontrollert overkrysningsstudie. De XXIII Nevrodager; 2010-11-22 - 2010-11-26
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2009
29 Hagen, Knut; Albretsen, Claus; Vilming, Steinar; Vilming, ST; Salvesen, Rolf; Gronning, M; Grønning, Marit; Helde, G; Gravdahl, G; Zwart, JA; Stovner, LJ.
Management of medication overuse headache: 1-year randomized multicentre open-label trial. Cephalalgia 2009 ;Volum 29.(2) s. 221-232
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30 Hagen, Knut; Albretsen, Claus; Vilming, Steinar T.; Salvesen, Rolf; Grønning, Marit; Helde, Grethe; Gravdahl, Gøril B.; Zwart, John-Anker; Stovner, Lars Jacob.
Forebyggende medicin bør startes samtidig med afgiftning. MigræneNytt 2009 ;Volum Februar.(1) s. 19-
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31 Kvisvik, Elisabeth; Helde, Grethe; Stovner, Lars Jacob.
Headache and migraine during pregnancy and puerperium- The MIGRA study. International Headache Congress; 2009-09-10 - 2009-10-13
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32 Stovner, Lars Jacob; Kvisvik, EV; Helde, Grethe.
Headache and migraine during pregnancy and puerperium. Cephalalgia 2009 ;Volum 29. s. 93-93
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2008
33 Westin, AA; Reimers, Arne; Helde, Grethe; Nakken, KO; Brodtkorb, Eylert.
Serum concentration/dose ratio of levetiracetam before, during and after pregnancy. Seizure 2008 ;Volum 17. s. 192-198
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34 Hagen, Knut; Albretsen, Claus; Vilming, Steinar; Salvesen, Rolf; Grønning, Marit; Helde, Grethe; Gravdahl, Gøril B.; Zwart, John-Anker; Stovner, Lars Jacob.
Behandling av medikamentoverforbrukshodepine: 1 års randomisert multisenterstudie. Nevrodagene; 2008-11-24 - 2008-11-28
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35 Hagen, Knut; Albretsen, Claus; Vilming, Steinar; Salvesen, Rolf; Grønning, Marit; Helde, Grethe; Gravdahl, Gøril B.; Zwart, John-Anker; Stovner, Lars Jacob.
Management of medication-overuse headache: 1-year randomized multicenter open-label trial. European Headache and Migraine Trust International Congress 2008; 2008-07-04 - 2008-09-07
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36 Hagen, Knut; Zwart, John-Anker; Aamodt, Anne Hege; Nilsen, Kristian Bernhard; Bråthen, Geir; Helde, Grethe; Stjern, Marit; Tronvik, Erling; Stovner, Lars Jacob.
A face-to-face interview of participants in HUNT 3 (Hodepineintervju av deltakere i HUNT 3: Betydning av screeningspørsmål på migreneprevalens). Nevrodagene; 2008-11-24 - 2008-11-28
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37 Hagen, Knut; Zwart, John-Anker; Aamodt, Anne Hege; Nilsen, Kristian Bernhard; Bråthen, Geir; Helde, Grethe; Stjern, Marit; Tronvik, Erling; Stovner, Lars Jacob.
A face-to-face interview of participants in HUNT 3: the impact of the screening question on headache prevalence. The Journal of Headache and Pain 2008 ;Volum 9.(5) s. 289-294
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38 Hagen, Knut; Zwart, John-Anker; Aamodt, Anne Hege; Nilsen, Kristian Bernhard; Bråthen, Geir; Helde, Grethe; Stjern, Marit; Tronvik, Erling; Stovner, Lars Jacob.
A population-based face-to-face headache epidemiological study. The impact of the screening question on prevalence. European Headache and Migraone Trust International Congress 2008; 2008-09-04 - 2008-09-07
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39 Sand, Trond; Nilsen, Kristian Bernhard; Hagen, Knut; Helde, Grethe; Stovner, Lars Jacob.
Pain detection thresholds are decreased before the headache starts in migraine patients. 12th International congress on pain (IASP); 2008-08-22
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40 Sand, Trond; Nilsen, Kristian Bernhard; Helde, Grethe; Hagen, Knut; Stovner, Lars Jacob.
Økt smertefølsomhet før anfallet starter: Skyldes migrene en aktivitetsuavhengig sentralnervøs sensitisering?. Nevrodagene; 2008-11-24
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41 Sand, Trond; Zhitniy, Nikita; Nilsen, Kristian Bernhard; Helde, Grethe; Hagen, Knut; Stovner, Lars Jacob.
Thermal pain thresholds are decreased in the migraine preattack phase. European Journal of Neurology 2008 ;Volum 15.(11) s. 1199-1205
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42 Stovner, Lars Jacob; Hagen, Knut; Zwart, John-Anker; Aamodt, Anne Hege; Nilsen, Kristian Bernhard; Bråthen, Geir; Helde, Grethe; Stjern, Marit; Tronvik, Erling.
A face-to-face interview of participants in hunt 3: the impact of the screeningquestion on headache prevalence. European Headache and Migraine Trust Conference; 2008-09-04 - 2008-09-07
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43 Westin, Andreas; Reimers, Arne; Helde, Grethe; Nakken, Karl Otto; Brodtkorb, Eylert.
Serum concentration/dose ratio of levetiracetam before, during and after pregnancy. Seizure 2008 ;Volum 17.(1) s. 192-8
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2007
44 Ertresvåg, Janne Marit; Stovner, Lars Jacob; Kvavik, Lene Ekern; Johnsen, Hans-Jørgen; Zwart, John-Anker; Helde, Grethe; Bovim, Gunnar.
Migraine aura or transient ischemic attacks? A five-year follow-up case-control study of women with transient central nervous system disorders in pregnancy. BMC Medicine 2007 ;Volum 17.(5) s. 19-
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45 Hagen, Knut; Albretsen, Claus; Stovner, Lars Jacob; Vilming, Steinar; Salvesen, Rolf; Grønning, Marit; Helde, Grethe; Gravdahl, Gøril B.; Zwart, John-Anker.
Management of probable medication-overuse headache: 1-year randomized multicenter open-label trial. IHC; 2007-06-28 - 2007-07-01
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46 Hagen, Knut; Albretsen, Claus; Stovner, Lars Jacob; Vilming, Steinar; Salvesen, Rolf; Grønning, Marit; Helde, Grethe; Gravdahl, Gøril B.; Zwart, John-Anker.
Management of probable medication-overuse headache: 1-year randomized multicenter open-label trial. Annual meeting for the Norwegian Neurological Association (Nevrodagene); 2007-11-26 - 2007-11-30
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47 Hagen, Knut; Albretsen, Claus; Stovner, Lars Jacob; Vilming, Steinar; Salvesen, Rolf; Grønning, Marit; Helde, Grethe; Gravdahl, Gøril B.; Zwart, John-Anker.
Management of probable medication-overuse headache: 1-year randomized prospective multicenter trial. Cephalalgia 2007 ;Volum 27. s. 683-684
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48 Nilsen, Kristian Bernhard; Sand, Trond; Westgaard, Rolf Harald; Stovner, Lars Jacob; White, Linda; Leistad, Rune Bang; Helde, Grethe; Rø, Magne.
Autonomic activation and pain in response to low-grade mental stress in fibromyalgia and shoulder/neck pain patients. European Journal of Pain 2007 ;Volum 11.(7) s. 743-755
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49 Stovner, Lars Jacob; Ertresvåg, Janne Marit; Ekern Kvavik, Lene; Johnsen, Hans Jørgen; Zwart, John-Anker; Helde, Grethe; Bovim, Gunnar.
Migraine aura or Tia ? A 5-year follow-up case-control study of women with transient CNS disorders in pregnancy. IHC; 2007-06-28 - 2007-07-01
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50 Syvertsen, M.; Helde, Grethe; Stovner, Lars Jacob; Brodtkorb, Eylert.
Headaches in epilepsy. EFSN; 2007-08-25 - 2007-08-28
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