J A Zwart

Summary

Affiliation: Norwegian University of Science and Technology
Country: Norway

Publications

  1. ncbi Analgesic overuse among subjects with headache, neck, and low-back pain
    J A Zwart
    Department of Clinical Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Neurology 62:1540-4. 2004
  2. ncbi The prevalence of migraine and tension-type headaches among adolescents in Norway. The Nord-Trøndelag Health Study (Head-HUNT-Youth), a large population-based epidemiological study
    J A Zwart
    Department of Clinical Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Cephalalgia 24:373-9. 2004
  3. ncbi Analgesic use: a predictor of chronic pain and medication overuse headache: the Head-HUNT Study
    J A Zwart
    Department of Clinical Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim
    Neurology 61:160-4. 2003
  4. ncbi The validity of 'recognition-based' headache diagnoses in adolescents. Data from the Nord-Trøndelag Health Study 1995-97, Head-HUNT-Youth
    J A Zwart
    Department of Clinical Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Cephalalgia 23:223-9. 2003
  5. ncbi Depression and anxiety disorders associated with headache frequency. The Nord-Trøndelag Health Study
    J A Zwart
    Department of Clinical Neuroscience, Section of Neurology, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Eur J Neurol 10:147-52. 2003
  6. ncbi Sick leave is related to frequencies of migraine and non-migrainous headache--The HUNT Study
    I Fiane
    Department of Clinical Neuroscience, Section of Neurology, Norwegian University of Science and Technology, Trondheim, Norway
    Cephalalgia 26:960-7. 2006
  7. pmc Blood pressure and risk of headache: a prospective study of 22 685 adults in Norway
    K Hagen
    Department of Clinical Neuroscience, Section of Neurology, Faculty of Medicine, Norwegian University of Science and Technology, 7006 Trondheim, Norway
    J Neurol Neurosurg Psychiatry 72:463-6. 2002
  8. ncbi The co-occurrence of headache and musculoskeletal symptoms amongst 51 050 adults in Norway
    K Hagen
    Department of Clinical Neuroscience, Section of Neurology, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Eur J Neurol 9:527-33. 2002
  9. ncbi Headache prevalence related to haemoglobin and ferritin. The HUNT Study
    A H Aamodt
    Norwegian National Headache Centre, Trondheim University Hospital, Trondheim, Norway
    Cephalalgia 24:758-62. 2004
  10. ncbi Prevalence of migraine and non-migrainous headache--head-HUNT, a large population-based study
    K Hagen
    Department of Clinical Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim
    Cephalalgia 20:900-6. 2000

Detail Information

Publications34

  1. ncbi Analgesic overuse among subjects with headache, neck, and low-back pain
    J A Zwart
    Department of Clinical Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Neurology 62:1540-4. 2004
    ..e., migraine, nonmigrainous headache, neck and low-back pain)...
  2. ncbi The prevalence of migraine and tension-type headaches among adolescents in Norway. The Nord-Trøndelag Health Study (Head-HUNT-Youth), a large population-based epidemiological study
    J A Zwart
    Department of Clinical Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Cephalalgia 24:373-9. 2004
    ..We concluded that headache in general, and recurrent primary headache disorders like migraine and tension-type headaches, are common somatic complaints among Norwegian adolescents, especially among girls...
  3. ncbi Analgesic use: a predictor of chronic pain and medication overuse headache: the Head-HUNT Study
    J A Zwart
    Department of Clinical Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim
    Neurology 61:160-4. 2003
    ..To examine the relation between analgesic use at baseline and the subsequent risk of chronic pain (> or =15 days/month) and the risk of analgesic overuse...
  4. ncbi The validity of 'recognition-based' headache diagnoses in adolescents. Data from the Nord-Trøndelag Health Study 1995-97, Head-HUNT-Youth
    J A Zwart
    Department of Clinical Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Cephalalgia 23:223-9. 2003
    ..The method can be useful in epidemiological research, e.g. in estimation of headache prevalence...
  5. ncbi Depression and anxiety disorders associated with headache frequency. The Nord-Trøndelag Health Study
    J A Zwart
    Department of Clinical Neuroscience, Section of Neurology, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Eur J Neurol 10:147-52. 2003
    ..Depression and anxiety disorders are associated with both migraine and non-migrainous headache, and this association seems more dependent on headache frequency than diagnostic category...
  6. ncbi Sick leave is related to frequencies of migraine and non-migrainous headache--The HUNT Study
    I Fiane
    Department of Clinical Neuroscience, Section of Neurology, Norwegian University of Science and Technology, Trondheim, Norway
    Cephalalgia 26:960-7. 2006
    ..The results may indicate that better treatment of individuals with chronic headache may have beneficial economic implications...
  7. pmc Blood pressure and risk of headache: a prospective study of 22 685 adults in Norway
    K Hagen
    Department of Clinical Neuroscience, Section of Neurology, Faculty of Medicine, Norwegian University of Science and Technology, 7006 Trondheim, Norway
    J Neurol Neurosurg Psychiatry 72:463-6. 2002
    ..Prevalence studies of the association between blood pressure and headache have shown conflicting results. The aim was to analyse the relation between blood pressure and risk of headache in a prospective study...
  8. ncbi The co-occurrence of headache and musculoskeletal symptoms amongst 51 050 adults in Norway
    K Hagen
    Department of Clinical Neuroscience, Section of Neurology, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Eur J Neurol 9:527-33. 2002
    ..In conclusion, there was a strong association between chronic headache and musculoskeletal symptoms, which may have implications for the choice of treatment...
  9. ncbi Headache prevalence related to haemoglobin and ferritin. The HUNT Study
    A H Aamodt
    Norwegian National Headache Centre, Trondheim University Hospital, Trondheim, Norway
    Cephalalgia 24:758-62. 2004
    ..5 g/dl) (odds ratio 0.4, confidence interval 0.2, 0.9). There was no correlation between headache prevalence and ferritin. The present findings may be relevant for the headache reported in polycythaemia and chronic altitude sickness...
  10. ncbi Prevalence of migraine and non-migrainous headache--head-HUNT, a large population-based study
    K Hagen
    Department of Clinical Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim
    Cephalalgia 20:900-6. 2000
    ..In accordance with findings in other western countries, we found that headache suffering, including migraine, was highly prevalent, especially in younger women...
  11. ncbi Low headache prevalence amongst women with high TSH values
    K Hagen
    Department of Clinical Neuroscience, Section of Neurology, Norwegian University of Science and Technology, Trondheim, Norway
    Eur J Neurol 8:693-9. 2001
    ..3-0.7) if TSH > or = 10 mU/l than in women with normal TSH (0.2-4 mU/l). In all age groups between 40 and 80 years, TSH was lower amongst headache sufferers, especially migraineurs, than in those without headache complaints...
  12. ncbi Low socio-economic status is associated with increased risk of frequent headache: a prospective study of 22718 adults in Norway
    K Hagen
    Department of Clinical Neuroscience, Section of Neurology, Norwegian University of Science and Technology, Trondheim, Norway
    Cephalalgia 22:672-9. 2002
    ..The risk of frequent and chronic headache decreased with increasing individual income, but only among men. We conclude that individuals with low SES had higher risk of frequent and chronic headache than people with high SES...
  13. ncbi Head-HUNT: validity and reliability of a headache questionnaire in a large population-based study in Norway
    K Hagen
    Department of Clinical Neuroscience, Norwegian University of Science and Technology, Trondheim
    Cephalalgia 20:244-51. 2000
    ....
  14. doi Increased headache prevalence in female adolescents and adult women with early menarche. The Head-HUNT Studies
    K L Aegidius
    Norwegian National Headache Centre, St Olav s University Hospital, Trondheim, Norway
    Eur J Neurol 18:321-8. 2011
    ..It is unclear whether age at menarche is an independent determinant of headache...
  15. doi High pulse pressure protects against headache: prospective and cross-sectional data (HUNT study)
    E Tronvik
    Norwegian National Headache Center, Trondheim University Hospital, Department of Neurology, St Olavs Hospital, Trondheim, Norway
    Neurology 70:1329-36. 2008
    ....
  16. ncbi Headache prevalence related to diabetes mellitus. The Head-HUNT study
    A H Aamodt
    Norwegian National Headache Centre, Trondheim University Hospital, Trondheim, Norway
    Eur J Neurol 14:738-44. 2007
    ..The reason for the inverse relationship between migraine and DM is unknown, but might be related to pathophysiological abnormalities in patients with DM that protect against migraine...
  17. ncbi Oral contraceptives and increased headache prevalence: the Head-HUNT Study
    K Aegidius
    Department of Neuroscience, Norwegian National Headache Centre, St Olav s University Hospital, Trondheim, Norway
    Neurology 66:349-53. 2006
    ..To examine the prevalence of headache and migraine among women using oral contraceptives (OCs) in a large, cross-sectional population-based study...
  18. ncbi Hormone replacement therapy and headache prevalence in postmenopausal women. The Head-HUNT study
    K L Aegidius
    Department of Neuroscience, Norwegian National Headache Centre, St Olav s University Hospital, Trondheim, Norway
    Eur J Neurol 14:73-8. 2007
    ..Whether HRT caused headache or was used partly because of headache cannot be determined in this cross-sectional study...
  19. ncbi The global burden of headache: a documentation of headache prevalence and disability worldwide
    Lj Stovner
    Norwegian National Headache Centre, Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway
    Cephalalgia 27:193-210. 2007
    ..On the World Health Organization's ranking of causes of disability, this would bring headache disorders into the 10 most disabling conditions for the two genders, and into the five most disabling for women...
  20. doi An unfavorable lifestyle and recurrent headaches among adolescents: the HUNT study
    L Robberstad
    Faculty of Medicine, University of Oslo, Norway
    Neurology 75:712-7. 2010
    ..To examine the relationship between recurrent headache disorders (i.e., migraine and tension-type headache) and lifestyle factors (overweight, low physical activity, and smoking) in an unselected population study among adolescents...
  21. doi Comorbidity of headache and gastrointestinal complaints. The Head-HUNT Study
    A H Aamodt
    Norwegian National Headache Centre, Trondheim University Hospital, Department of Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Norway
    Cephalalgia 28:144-51. 2008
    ..This may suggest that headache sufferers generally are predisposed to GI complaints...
  22. ncbi Headache and transient focal neurological symptoms during pregnancy, a prospective cohort
    J M Ertresvåg
    Department of Neurology and Clinical Neurosphysiology, St Olavs University Hospital, Trondheim, Norway
    Acta Neurol Scand 111:233-7. 2005
    ..The main purpose of the present prospective study was to evaluate the course of migraine and non-migrainous headache during pregnancy and to estimate the occurrence of self-reported transient focal neurological symptoms...
  23. ncbi Epidemiology of headache in Europe
    L J Stovner
    Department of Neuroscience, Norwegian University of Science and Technology, Trondheim
    Eur J Neurol 13:333-45. 2006
    ..The data collected should be used as arguments to increase resources to headache research and care for headache patients all over the continent...
  24. ncbi Potentials and pitfalls in analytical headache epidemiological studies--lessons to be learned from the Head-HUNT study
    K Hagen
    Department of Clinical Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Cephalalgia 27:403-13. 2007
    ..Despite the limitations of the head-HUNT study, we believe that the results so far have provided clues to causes and preventive factors of headache that should be explored in other populations and in prospective studies...
  25. doi The bidirectional relationship between headache and chronic musculoskeletal complaints: an 11-year follow-up in the Nord-Trøndelag Health Study (HUNT)
    K Hagen
    Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway
    Eur J Neurol 19:1447-54. 2012
    ..Chronic daily headache (CDH) and chronic musculoskeletal complaints (CMSCs) are associated disorders, but whether there is a causal relationship between them is unclear...
  26. ncbi Higher levels of antibodies against the psoriasis-associated antigen pso p27 in cerebrospinal fluid from patients with low back pain and sciatica
    J A Zwart
    Department of Neurosurgery, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim
    Spine (Phila Pa 1976) 24:373-7. 1999
    ..A prospective study comparing the presence of antibodies against the psoriasis-associated antigen pso p27 in pain-free control subjects and patients with low back pain and/or sciatica...
  27. doi Management of medication overuse headache: 1-year randomized multicentre open-label trial
    K Hagen
    Department of Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Cephalalgia 29:221-32. 2009
    ..081). Early introduction of preventive treatment without a previous detoxification programme reduced total headache suffering more effectively compared with abrupt withdrawal. (ClinicalTrials.gov number, NCT00159588)...
  28. ncbi Thermal sensitivity in unilateral headaches
    N Becser
    Department of Neurology, University Hospital of Trondheim, Norway
    Cephalalgia 18:675-83; discussion 657. 1998
    ..A bilateral central sensory dysfunction in cluster headache and cervicogenic headache may be hypothesized but a generalized peripheral dysfunction can also explain our results...
  29. ncbi The reproducibility of cephalic pain pressure thresholds in control subjects and headache patients
    T Sand
    Department of Neurology, Trondheim University Hospital, Norway
    Cephalalgia 17:748-55. 1997
    ..Particular attention should be paid to circumstances (e.g. preceding medical investigations) around the algometry procedure in order to reduce variability...
  30. ncbi [Long-term follow-up after surgery for lumbar disk herniation]
    A Vik
    Nevrokirurgisk avdeling, Regionsykehuset i Trondheim 7005 Trondheim
    Tidsskr Nor Laegeforen 120:2868-71. 2000
    ..We wanted to evaluate long-term outcome after operation for lumbar disc herniation at a department of neurosurgery which train spinal surgeons. Both conventional and microsurgical technique were used during this period...
  31. ncbi Blink reflex R2 amplitudes in cervicogenic headache, chronic tension-type headache and migraine
    T Sand
    Department of Neurology and Clinical Neurophysiology Norwegian National Headache Centre, St Olav s University Hospital and Norwegian University of Technology and Science, Trondheim, Norway
    Cephalalgia 26:1186-91. 2006
    ..The results suggest that lower brainstem excitability is reduced in CEH. A state of hypoactivity may be present in caudal trigeminal nucleus neurons on the symptomatic side...
  32. ncbi Reliability of cephalic thermal thresholds in healthy subjects
    N Becser
    Department of Neurology, University Hospital, Trondheim, Norway
    Cephalalgia 18:574-82. 1998
    ..Our results reveal the frontal medial, the maxillar medial, and lateral regions as the most reliable cephalic test locations. The mastoid region may also be useful for investigating the upper cervical small-fiber function...
  33. ncbi Nuclear magnetic resonance spectroscopy of cerebrospinal fluid from patients with low back pain and sciatica
    J A Zwart
    Department of Neurosurgery, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
    Spine (Phila Pa 1976) 22:2112-6. 1997
    ....
  34. ncbi Placebo response in clinical randomized trials of analgesics in migraine
    L Bendtsen
    Copenhagen Headache Research Centre, Department of Neurology, Glostrup Hospital, University of Copenhagen, Copenhagen, Denmark
    Cephalalgia 23:487-90. 2003
    ..Placebo response rates vary with the choice of primary efficacy measure as well as patient characteristics and study design...