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Ottar Sjaastad

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Michele Viana; Marta Allena; Giuseppe Nappi; Ottar Sjaastad; Cristina Tassorelli; Fabio Antonaci
Diagnostic and therapeutic errors in trigeminal autonomic cephalalgias and hemicrania continua: a systematic review.
Fabio Antonaci; Ottar Sjaastad
Continuing on . . . Hemicrania continua.
Fabio Antonaci; Ottar Sjaastad
Cervicogenic headache: a real headache.

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All Publications

2013: Michele Viana; Marta Allena; Giuseppe Nappi; Ottar Sjaastad; Cristina Tassorelli; Fabio Antonaci
Diagnostic and therapeutic errors in trigeminal autonomic cephalalgias and hemicrania continua: a systematic review.
The journal of headache and pain 2013;14(1):14.
2013: Fabio Antonaci; Ottar Sjaastad
Continuing on . . . Hemicrania continua.
Cephalalgia : an international journal of headache 2013;33(2):141-2.
2011: Fabio Antonaci; Ottar Sjaastad
Cervicogenic headache: a real headache.
Current neurology and neuroscience reports 2011;11(2):149-55.
2010: Fabio Antonaci; Ottar Sjaastad
Hemicrania continua.
Handbook of clinical neurology 2010;97():483-7.
2010: Juan A Pareja; Ottar Sjaastad
Primary stabbing headache.
Handbook of clinical neurology 2010;97():453-7.
2009: Ottar Sjaastad; Torbjørn A Fredriksen; Leiv Bakketeig
Headache subsequent to whiplash.
Current pain and headache reports 2009;13(1):52-8.
2008: Eylert Brodtkorb; Inger Johanne Bakken; Ottar Sjaastad
Comorbidity of migraine and epilepsy in a Norwegian community.
European journal of neurology : the official journal of the European Federation of Neurological Societies 2008;15(12):1421-3.
2008: Eylert Brodtkorb; Ottar Sjaastad
Epilepsy prevalence by individual interview in a Norwegian community.
Seizure : the journal of the British Epilepsy Association 2008;17(7):646-50.
2008: Ottar Sjaastad
SUNCT syndrome: The materialization of a headache syndrome.
Clinical ophthalmology (Auckland, N.Z.) 2008;2(3):533-43.
2008: Ottar Sjaastad
Cervicogenic headache: comparison with migraine without aura; Vågå study.
Cephalalgia : an international journal of headache 2008;28 Suppl 1():18-20.
2008: Ottar Sjaastad; Leiv S Bakketeig
Migraine without aura: comparison with cervicogenic headache. Vågå study of headache epidemiology.
Acta neurologica Scandinavica 2008;117(6):377-83.
2008: Ottar Sjaastad; Leiv S Bakketeig
Prevalence of cervicogenic headache: Vågå study of headache epidemiology.
Acta neurologica Scandinavica 2008;117(3):173-80.
2007: Monica Drottning; Peer H Staff; Ottar Sjaastad
Cervicogenic headache (CEH) six years after whiplash injury.
Functional neurology 2007;22(3):145-9.
2007: J Jansen; Ottar Sjaastad
Cervicogenic headache: long-term prognosis after neck surgery.
Acta neurologica Scandinavica 2007;115(3):185-91.
2007: Ottar Sjaastad; Leiv S Bakketeig
The rare, unilateral headaches. Vågå study of headache epidemiology.
The journal of headache and pain 2007;8(1):19-27.
2006: Ottar Sjaastad; H Wang; Leiv S Bakketeig
Neck pain and associated head pain: persistent neck complaint with subsequent, transient, posterior headache.
Acta neurologica Scandinavica 2006;114(6):392-9.
2006: J Jansen; Ottar Sjaastad
Hemicrania with massive autonomic manifestations and circumscribed eyelid erythema.
Acta neurologica Scandinavica 2006;114(5):334-9.
2006: Jürgen Jansen; Ottar Sjaastad
Cervicogenic headache. Smith/Robinson approach in bilateral cases.
Functional neurology 2006;21(4):205-10.
2006: Ottar Sjaastad
Chronic paroxysmal hemicrania: from the index patient to the disease.
Current pain and headache reports 2006;10(4):295-301.
2006: Ottar Sjaastad
Chronic paroxysmal hemicrania, hemicrania continua and SUNCT: the fate of the three first described cases.
The journal of headache and pain 2006;7(3):151-6.
2006: Ottar Sjaastad; Leiv S Bakketeig; Hans C Petersen
Migraine with aura: visual disturbances and interrelationship with the pain phase. Vågå study of headache epidemiology.
The journal of headache and pain 2006;7(3):127-35.
2006: Ottar Sjaastad; Leiv S Bakketeig
Hydrogen sulphide headache and other rare, global headaches: Vågå study.
Cephalalgia : an international journal of headache 2006;26(4):466-76.
2006: Ottar Sjaastad; Leiv S Bakketeig
Neck-tongue syndrome and related (?) conditions.
Cephalalgia : an international journal of headache 2006;26(3):233-40.
2006: Ottar Sjaastad; Torbjørn A Fredriksen; Jan Båtnes; Hans C Petersen; Leiv S Bakketeig
Whiplash in individuals with known pre-accident, clinical neck status.
The journal of headache and pain 2006;7(1):9-20.
2005: Ottar Sjaastad; H Pettersen; Leiv S Bakketeig
Long-lasting cephalic jabs (?) The Vågå study of headache epidemiology.
Cephalalgia : an international journal of headache 2005;25(8):581-92.
2005: Ottar Sjaastad; Hans C Petersen; Leiv S Bakketeig
Supraorbital neuralgia. Vågå study of headache epidemiology.
Cephalalgia : an international journal of headache 2005;25(4):296-304.
2005: Fabio Antonaci; A Costa; Elisa Candeloro; Ottar Sjaastad; Giuseppe Nappi
Single high-dose steroid treatment in episodic cluster headache.
Cephalalgia : an international journal of headache 2005;25(4):290-5.
2003: Ottar Sjaastad; Torbjørn A Fredriksen; Hans Petersen; Leiv S Bakketeig
Features indicative of cervical abnormality. A factor to be reckoned with in clinical headache work and research?
Functional neurology 2003;18(4):195-203.
2003: Ottar Sjaastad; Leiv S Bakketeig
Exertional headache--II. Clinical features Vågå study of headache epidemiology.
Cephalalgia : an international journal of headache 2003;23(8):803-7.
2003: Ottar Sjaastad; L S Bakketeig
Cluster headache prevalence. Vågå study of headache epidemiology.
Cephalalgia : an international journal of headache 2003;23(7):528-33.
2003: Ottar Sjaastad; L S Bakketeig
Prolonged benign exertional headache. The Vågå Study of headache epidemiology.
Headache 2003;43(6):611-5.
2003: Fabio Antonaci; A Costa; S Ghirmai; Grazia Sances; Ottar Sjaastad; Giuseppe Nappi
Parenteral indomethacin (the INDOTEST) in cluster headache.
Cephalalgia : an international journal of headache 2003;23(3):193-6.
2003: Ottar Sjaastad; H Pettersen; Leiv S Bakketeig
Extracephalic jabs/idiopathic stabs. Vågå study of headache epidemiology.
Cephalalgia : an international journal of headache 2003;23(1):50-4.
2003: A Fredriksen Torbjørn; Andreas Stolt-Nielsen; Karl Ove Skaanes; Ottar Sjaastad
Headache and the lower cervical spine: long-term, postoperative follow-up after decompressive neck surgery.
Functional neurology 2003;18(1):17-28.
2002: Ottar Sjaastad; Leiv S Bakketeig
Exertional headache. I. Vågå study of headache epidemiology.
Cephalalgia : an international journal of headache 2002;22(10):784-90.
2002: Ottar Sjaastad; Torbjørn A Fredriksen
Cervicogenic headache: lack of influence of pregnancy.
Cephalalgia : an international journal of headache 2002;22(8):667-71.
2002: Egilius L H Spierings; Ottar Sjaastad
Hemicrania continua is not that rare.
Neurology 2002;59(3):476-7; author reply 477.
2002: Ottar Sjaastad; Leiv S Bakketeig
Tractor drivers' head- and neck-ache: Vågå study of headache epidemiology.
Cephalalgia : an international journal of headache 2002;22(6):462-7.
2002: Monica Drottning; P H Staff; Ottar Sjaastad
Cervicogenic headache (CEH) after whiplash injury.
Cephalalgia : an international journal of headache 2002;22(3):165-71.
2002: Ottar Sjaastad; Torbjørn A Fredriksen
Cervicogenic headache: the importance of sticking to the criteria.
Functional neurology 2002;17(1):35-6.
2002: Juan A Pareja; Ana B Caminero; Ottar Sjaastad
SUNCT Syndrome: diagnosis and treatment.
CNS drugs 2002;16(6):373-83.
2002: Ottar Sjaastad; H Pettersen; Leiv S Bakketeig
The Vågå study of headache epidemiology II. Jabs: clinical manifestations.
Acta neurologica Scandinavica 2002;105(1):25-31.
2001: Juan A Pareja; Maurice Vincent; Fabio Antonaci; Ottar Sjaastad
Hemicrania continua: diagnostic criteria and nosologic status.
Cephalalgia : an international journal of headache 2001;21(9):874-7.
2001: Fabio Antonaci; Torbjørn A Fredriksen; Ottar Sjaastad
Cervicogenic headache: clinical presentation, diagnostic criteria, and differential diagnosis.
Current pain and headache reports 2001;5(4):387-92.
2001: Ottar Sjaastad; H Pettersen; Leiv S Bakketeig
The Vågå study; epidemiology of headache I: the prevalence of ultrashort paroxysms.
Cephalalgia : an international journal of headache 2001;21(3):207-15.
2000: Torbjørn A Fredriksen; Ottar Sjaastad
Cervicogenic headache (CEH): notes on some burning issues.
Functional neurology 2000;15(4):199-203.
2000: Torbjørn A Fredriksen; Ottar Sjaastad
Cervicogenic headache: current concepts of pathogenesis related to anatomical structure.
Clinical and experimental rheumatology 2000;18(2 Suppl 19):S16-8.
2000: Ottar Sjaastad; Torbjørn A Fredriksen
Cervicogenic headache: criteria, classification and epidemiology.
Clinical and experimental rheumatology 2000;18(2 Suppl 19):S3-6.
1999: Ottar Sjaastad; J Båtnes; S Haugen
The Vågå Study: an outline of the design.
Cephalalgia : an international journal of headache 1999;19 Suppl 25():24-30.
1999: Torbjørn A Fredriksen; R Salvesen; Andreas Stolt-Nielsen; Ottar Sjaastad
Cervicogenic headache: long-term postoperative follow-up.
Cephalalgia : an international journal of headache 1999;19(10):897-900.
1999: Ottar Sjaastad; Torbjørn A Fredriksen; Juan A Pareja; Andreas Stolt-Nielsen; Maurice Vincent
Coexistence of cervicogenic headache and migraine without aura (?).
Functional neurology 1999;14(4):209-18.
1999: D Bansevicius; Rolf H Westgaard; Ottar Sjaastad
Tension-type headache: pain, fatigue, tension, and EMG responses to mental activation.
Headache 1999;39(6):417-25.
1999: Ottar Sjaastad; Andreas Stolt-Nielsen; Juan A Pareja; Torbjørn A Fredriksen; Maurice Vincent
Supraorbital neuralgia. On the clinical manifestations and a possible therapeutic approach.
Headache 1999;39(3):204-12.
1998: Ottar Sjaastad; R Salvesen
The treatment of cluster headache.
Functional neurology 1998;13(4):279-84.
1998: Ottar Sjaastad; Torbjørn A Fredriksen; V Pfaffenrath
Cervicogenic headache: diagnostic criteria. The Cervicogenic Headache International Study Group.
Headache 1998;38(6):442-5.
1998: Fabio Antonaci; Juan A Pareja; Ana B Caminero; Ottar Sjaastad
Chronic paroxysmal hemicrania and hemicrania continua: lack of efficacy of sumatriptan.
Headache 1998;38(3):197-200.
1998: Ottar Sjaastad; T A Frederiksen
Chronic daily headache: is "cervicogenic headache" one subgroup?
Cephalalgia : an international journal of headache 1998;18 Suppl 21():37-40.
1998: Fabio Antonaci; Juan A Pareja; Ana B Caminero; Ottar Sjaastad
Chronic paroxysmal hemicrania and hemicrania continua. Parenteral indomethacin: the 'indotest'.
Headache 1998;38(2):122-8.
1998: Ottar Sjaastad; R Salvesen; J Jansen; Torbjørn A Fredriksen
Cervicogenic headache a critical view on pathogenesis.
Functional neurology 1998;13(1):71-4.
1997: Juan A Pareja; P Kruszewski; Ottar Sjaastad
SUNCT syndrome. Diagnosis morbi. Shortlasting Unilateral Neuralgiform headache attacks, with Conjunctival injection, Tearing and rhinorrhoea.
Neurología (Barcelona, Spain) 1997;12 Suppl 5():66-72.
1997: Ottar Sjaastad; Torbjørn A Fredriksen; Andreas Stolt-Nielsen; R Salvesen; J Jansen; Juan A Pareja; L Poughias; P Kruszewski; L Inan
Cervicogenic headache: a clinical review with special emphasis on therapy.
Functional neurology 1997;12(6):305-17.
1997: Ottar Sjaastad; Juan A Pareja; E Zukerman; J Jansen; P Kruszewski
Trigeminal neuralgia. Clinical manifestations of first division involvement.
Headache 1997;37(6):346-57.
1997: Juan A Pareja; J Espejo; M Trigo; Ottar Sjaastad
Congenital (?) Horners syndrome and ipsilateral headache.
Functional neurology 1997;12(3-4):123-31.
1997: D Bansevicius; J A Pareja; Ottar Sjaastad
'Skin roll' ('pinch and roll') test: skinfold thickness and tenderness.
Headache 1997;37(5):281-5.
1997: Fabio Antonaci; Juan A Pareja; Ana B Caminero; Ottar Sjaastad
Chronic paroxysmal hemicrania and hemicrania continua: anaesthetic blockades of pericranial nerves.
Functional neurology 1997;12(1):11-5.
1996: Juan A Pareja; V Caballero; Ottar Sjaastad
SUNCT syndrome. Statuslike pattern.
Headache 1996;36(10):622-4.
1996: M L Fasano; Trond Sand; A O Brubakk; P Kruszewski; C Bordini; Ottar Sjaastad
Reproducibility of the cold pressor test: studies in normal subjects.
Clinical autonomic research : official journal of the Clinical Autonomic Research Society 1996;6(5):249-53.
1996: Juan A Pareja; J M Shen; P Kruszewski; V Caballero; M Pamo; Ottar Sjaastad
SUNCT syndrome: duration, frequency, and temporal distribution of attacks.
Headache 1996;36(3):161-5.
1996: Juan A Pareja; J Joubert; Ottar Sjaastad
SUNCT syndrome. Atypical temporal patterns.
Headache 1996;36(2):108-110.
1996: Juan A Pareja; Ottar Sjaastad
Chronic paroxysmal hemicrania and hemicrania continua. Interval between indomethacin administration and response.
Headache 1996;36(1):20-3.
1995: Ottar Sjaastad; Andreas Stolt-Nielsen; H Blume; John-Anker Zwart; Torbjørn A Fredriksen
Cervicogenic headache. Long-term results of radiofrequency treatment of the planum nuchale.
Functional neurology 1995;10(6):265-71.
1995: P Kruszewski; C Bordini; A O Brubakk; Ottar Sjaastad
Cluster headache: cardiovascular responses to head-up tilt.
Headache 1995;35(8):465-9.
1995: Ottar Sjaastad; Lars Jacob Stovner; Andreas Stolt-Nielsen; Fabio Antonaci; Torbjørn A Fredriksen
CPH and hemicrania continua: requirements of high indomethacin dosages--an ominous sign?
Headache 1995;35(6):363-7.
1995: P Kruszewski; Linda R White; J M Shen; Juan A Pareja; J M Zhao; J Schaanning; Ottar Sjaastad
Respiratory studies in SUNCT syndrome.
Headache 1995;35(6):344-8.
1995: Lars Jacob Stovner; Ottar Sjaastad
Treatment of cluster headache and its variants.
Current opinion in neurology 1995;8(3):243-7.
1995: Andreas Stolt-Nielsen; Torbjørn A Fredriksen; Ottar Sjaastad
Headache due to an extra joint between head and neck.
Headache 1995;35(1):44-7.
1995: Lars Jacob Stovner; Ottar Sjaastad
Segmental hyperhidrosis in two siblings with Chiari type I malformation.
European neurology 1995;35(3):149-55.
1994: Eylert Brodtkorb; T Torbergsen; K O Nakken; K Andersen; R Gimse; Ottar Sjaastad
Epileptic seizures, arthrogryposis, and migrational brain disorders: a syndrome?
Acta neurologica Scandinavica 1994;90(4):232-40.
1994: John-Anker Zwart; Gunnar Bovim; Trond Sand; Ottar Sjaastad
Tension headache: botulinum toxin paralysis of temporal muscles.
Headache 1994;34(8):458-62.
1994: Ottar Sjaastad; T Elsås; J M Shen; J Joubert; Torbjørn A Fredriksen
Raeder's syndrome: "anhidrosis", headache, and a proposal for a new classification.
Functional neurology 1994;9(5):215-34.
1993: Maurice Vincent; Linda R White; Inger Johanne Bakken; Ottar Sjaastad
Sumatriptan relaxes isolated porcine ophthalmic artery, but inhibits VIP-induced relaxation.
Cephalalgia : an international journal of headache 1993;13(6):378-82; discussion 375.
1993: Ottar Sjaastad; Fabio Antonaci
Chronic paroxysmal hemicrania (CPH) and hemicrania continua: transition from one stage to another.
Headache 1993;33(10):551-4.
1993: J M Zhao; Ottar Sjaastad
SUNCT syndrome: VIII. Pupillary reaction and corneal sensitivity.
Functional neurology 1993;8(6):409-14.
1993: J M Shen; J Schaanning; L White; P Kruszewski; E Bjaanes; Ottar Sjaastad
Cluster headache: the ventilatory response to transient hypoxia with pure nitrogen.
Headache 1993;33(9):476-82.
1993: Ottar Sjaastad; Lars Jacob Stovner
The IHS classification for common migraine. Is it ideal?
Headache 1993;33(7):372-5.
1993: Gunnar Bovim; Ottar Sjaastad
Cervicogenic headache: responses to nitroglycerin, oxygen, ergotamine and morphine.
Headache 1993;33(5):249-52.
1993: Ottar Sjaastad; J M Shen; Lars Jacob Stovner; T Elsås
Cluster headache in identical twins.
Headache 1993;33(4):214-7.
1993: P Kruszewski; J M Zhao; J M Shen; Ottar Sjaastad
SUNCT syndrome: forehead sweating pattern.
Cephalalgia : an international journal of headache 1993;13(2):108-13.
1993: Ottar Sjaastad; J Joubert; T Elsås; Gunnar Bovim; Maurice Vincent
Hemicrania continua and cervicogenic headache. Separate headaches or two faces of the same headache?
Functional neurology 1993;8(2):79-83.
1993: Lars Jacob Stovner; U Bergan; G Nilsen; Ottar Sjaastad
Posterior cranial fossa dimensions in the Chiari I malformation: relation to pathogenesis and clinical presentation.
Neuroradiology 1993;35(2):113-8.
1993: Ottar Sjaastad; Gunnar Bovim; Lars Jacob Stovner
Common migraine ("migraine without aura"): localization of the initial pain of attack.
Functional neurology 1993;8(1):27-32.
1992: Ottar Sjaastad; J Aasly; Helge Stormorken; M M Wysocka-Bakowska; I Hørven; Torbjørn A Fredriksen
A new hereditary syndrome with a bleeding tendency, extreme miosis, spasms, dyslexia, thrombocytopathia etc. Pupillometric, evaporimetric, and ophthalmological observations.
Acta ophthalmologica 1992;70(6):713-20.
1992: Inger Johanne Bakken; Maurice Vincent; Linda R White; Roar Juul; L Edvinsson; Ottar Sjaastad
Mutual modification of vasoactivity by calcitonin gene-related peptide and endothelin-1 in isolated porcine ophthalmic artery.
Neuropeptides 1992;23(4):209-14.
1992: Ottar Sjaastad; P Kruszewski; K Fostad; T Elsås; G Qvigstad
SUNCT syndrome: VII. Ocular and related variables.
Headache 1992;32(10):489-95.
1992: Inger Johanne Bakken; Maurice Vincent; Linda R White; J Cappelen; K O Skaanes; Ottar Sjaastad
Low concentrations of lithium and cyclooxygenase inhibitors enhance endothelin-1 (ET-1)-induced contractions in human temporal artery, but not in porcine ophthalmic artery.
Headache 1992;32(10):475-9.
1992: Fabio Antonaci; Ottar Sjaastad
Hemicrania continua: a possible symptomatic case, due to mesenchymal tumor.
Functional neurology 1992;7(6):471-4.
1992: Maurice Vincent; R Ekman; L Edvinsson; Trond Sand; Ottar Sjaastad
Reduction of calcitonin gene-related peptide in jugular blood following electrical stimulation of rat greater occipital nerve.
Cephalalgia : an international journal of headache 1992;12(5):275-9.
1992: P Kruszewski; Trond Sand; J M Shen; Ottar Sjaastad
Short-lasting, unilateral, neuralgiform headache attacks with conjunctival injection and tearing (SUNCT syndrome): IV. Respiratory sinus arrhythmia during and outside paroxysms.
Headache 1992;32(8):377-83.
1992: Fabio Antonaci; Trond Sand; Ottar Sjaastad
Hemicrania continua and chronic paroxysmal hemicrania: a comparison of pupillometric findings.
Functional neurology 1992;7(5):385-9.
1992: Ottar Sjaastad; Gunnar Bovim; Lars Jacob Stovner
Laterality of pain and other migraine criteria in common migraine. A comparison with cervicogenic headache.
Functional neurology 1992;7(4):289-94.
1992: Maurice Vincent; Linda R White; T Elsås; G Qvigstad; Ottar Sjaastad
Substance P augments the rate of vasodilation induced by calcitonin gene-related peptide in porcine ophthalmic artery in vitro.
Neuropeptides 1992;22(3):137-41.
1992: P Kruszewski; C Bordini; A O Brubakk; Ottar Sjaastad
Cluster headache: alterations in heart rate, blood pressure and orthostatic responses during spontaneous attacks.
Cephalalgia : an international journal of headache 1992;12(3):172-7.
1992: Ottar Sjaastad
A "school of headache" concept, practical arrangements, and experiences with a systematic education in headache research and clinical practice.
Functional neurology 1992;7(3):185-90.
1992: Gunnar Bovim; Torbjørn A Fredriksen; Andreas Stolt-Nielsen; Ottar Sjaastad
Neurolysis of the greater occipital nerve in cervicogenic headache. A follow up study.
Headache 1992;32(4):175-9.
1992: Linda R White; Lars Jacob Stovner; Maurice Vincent; O P Løbben; Y D Fragoso; Kristian S. Bjerve; Ottar Sjaastad
Cluster headache: phospholipid metabolism in polymorphonuclear cells.
Cephalalgia : an international journal of headache 1992;12(2):107-10.
1992: Ottar Sjaastad; P Kruszewski
Trigeminal neuralgia and "SUNCT" syndrome: similarities and differences in the clinical pictures. An overview.
Functional neurology 1992;7(2):103-7.
1992: J M Zhao; Trond Sand; Ottar Sjaastad
Cluster headache: oxygen saturation and end-tidal CO2 during and without attack.
Headache 1992;32(3):126-31.
1992: Lars Jacob Stovner; J Cappelen; G Nilsen; Ottar Sjaastad
The Chiari type I malformation in two monozygotic twins and first-degree relatives.
Annals of neurology 1992;31(2):220-2.
1992: Ottar Sjaastad
Cervicogenic headache: the controversial headache.
Clinical neurology and neurosurgery 1992;94 Suppl():S147-9.
1991: R P Michler; Gunnar Bovim; Ottar Sjaastad
Disorders in the lower cervical spine. A cause of unilateral headache? A case report.
Headache 1991;31(8):550-1.
1991: P Kruszewski; Fabio Antonaci; C Bordini; K Wester; Ottar Sjaastad
Sympathetic functions in parkinsonism treated with stereotactic surgery: observations in ten patients.
Functional neurology 1991;6(3):263-8.
1991: P Kruszewski; M L Fasano; A O Brubakk; J M Shen; Trond Sand; Ottar Sjaastad
Shortlasting, unilateral, neuralgiform headache attacks with conjunctival injection, tearing, and subclinical forehead sweating ("Sunct" syndrome): II. Changes in heart rate and arterial blood pressure during pain paroxysms.
Headache 1991;31(6):399-405.
1991: Gunnar Bovim; L Bonamico; Torbjørn A Fredriksen; C F Lindboe; Andreas Stolt-Nielsen; Ottar Sjaastad
Topographic variations in the peripheral course of the greater occipital nerve. Autopsy study with clinical correlations.
Spine 1991;16(4):475-8.
1991: Ottar Sjaastad; Gunnar Bovim
Cervicogenic headache. The differentiation from common migraine. An overview.
Functional neurology 1991;6(2):93-100.
1991: Fabio Antonaci; D de Souza Carvalho; Ottar Sjaastad
Pupillary response to topical naloxone in cluster headache.
Functional neurology 1991;6(2):137-44.
1991: Ottar Sjaastad; J M Zhao; P Kruszewski; Lars Jacob Stovner
Short-lasting unilateral neuralgiform headache attacks with conjunctival injection, tearing, etc. (SUNCT): III. Another Norwegian case.
Headache 1991;31(3):175-7.
1991: Fabio Antonaci; J M Zhao; J Schaanning; Trond Sand; Ottar Sjaastad
The effect of hyperventilation in cluster headache patients.
Headache 1991;31(3):146-50.
1991: C Bordini; Fabio Antonaci; Lars Jacob Stovner; Harald Schrader; Ottar Sjaastad
"Hemicrania continua": a clinical review.
Headache 1991;31(1):20-6.
1990: Trond Sand; Ottar Sjaastad; I Romslo; I Sulg
Brain-stem auditory evoked potentials in multiple sclerosis: the relation to VEP, SEP and CSF immunoglobulins.
Journal of neurology 1990;237(6):376-8.
1990: J M Zhao; J Schaanning; Ottar Sjaastad
Cluster headache: the effect of low oxygen saturation.
Headache 1990;30(10):656-9.
1990: Ottar Sjaastad; P Rinck
Cluster headache: MRI studies of the cavernous sinus and the base of the brain.
Headache 1990;30(6):350-1.
1990: Eylert Brodtkorb; R Gimse; Fabio Antonaci; Bjørn Ellertsen; Trond Sand; I Sulg; Ottar Sjaastad
Hyperventilation syndrome: clinical, ventilatory, and personality characteristics as observed in neurological practice.
Acta neurologica Scandinavica 1990;81(4):307-13.
1990: Ottar Sjaastad
The headache of challenge in our time: cervicogenic headache.
Functional neurology 1990;5(2):155-8.
1990: Trond Sand; R Salvesen; Fabio Antonaci; C Saunte; Ottar Sjaastad
Cluster headache: a comparison of the proportions of abnormal recordings for several derived variables in tyramine pupillometry.
Functional neurology 1990;5(1):43-8.
1989: Y D Fragoso; Lars Jacob Stovner; Kristian S. Bjerve; Ottar Sjaastad
Increased incorporation of L-(U-14C)serine into phosphatidylserine in polymorphonuclear cells from cluster headache patients.
Cephalalgia : an international journal of headache 1989;9(3):221-5.
1989: Y D Fragoso; A Seim; Lars Jacob Stovner; M Mack; Kristian S. Bjerve; Ottar Sjaastad
Cluster headache: increased incorporation of (1-14C)arachidonic acid into phosphatidylserine in polymorphonuclear cells.
Cephalalgia : an international journal of headache 1989;9(3):213-20.
1989: Y D Fragoso; Lars Jacob Stovner; Kristian S. Bjerve; Ottar Sjaastad
Cluster headache: incorporation of (1-14C)oleic acid into phosphatidylserine in polymorphonuclear cells.
Cephalalgia : an international journal of headache 1989;9(3):207-11.
1989: Ottar Sjaastad; C Saunte; R Salvesen; Torbjørn A Fredriksen; A Seim; Oluf Dimitri Røe; K Fostad; O P Løbben; J M Zhao
Shortlasting unilateral neuralgiform headache attacks with conjunctival injection, tearing, sweating, and rhinorrhea.
Cephalalgia : an international journal of headache 1989;9(2):147-56.
1989: Torbjørn A Fredriksen; R Fougner; A Tangerud; Ottar Sjaastad
Cervicogenic headache. Radiological investigations concerning head/neck.
Cephalalgia : an international journal of headache 1989;9(2):139-46.
1989: R Salvesen; Trond Sand; J M Zhao; Ottar Sjaastad
Cluster headache: pupillometric patterns as a function of the degree of anisocoria.
Cephalalgia : an international journal of headache 1989;9(2):131-8.
1989: Ottar Sjaastad; Torbjørn A Fredriksen; Trond Sand; Fabio Antonaci
Unilaterality of headache in classic migraine.
Cephalalgia : an international journal of headache 1989;9(1):71-7.
1989: R Salvesen; C D de Souza; Ottar Sjaastad
Horner's syndrome. Sweat gland and pupillary responsiveness in two cases with a probable 3rd neurone dysfunction.
Cephalalgia : an international journal of headache 1989;9(1):63-70.
1989: Fabio Antonaci; Torbjørn A Fredriksen; Trond Sand; M M Wysocka-Bakowska; R Salvesen; A Bogucki; A Seim; Ottar Sjaastad
Electronic pupillometry in healthy controls. Response to sympathicomimetics.
Functional neurology 1989;4(1):91-103.
1989: Ottar Sjaastad; T A Fredriksen; T Sand
The localization of the initial pain of attack. A comparison between classic migraine and cervicogenic headache.
Functional neurology 1989;4(1):73-8.
1988: Ottar Sjaastad; D de Souza Carvalho; Y D Fragoso; J M Zhao
Cluster headache: on the significance of so-called minibouts.
Cephalalgia : an international journal of headache 1988;8(4):285-91.
1988: Ottar Sjaastad
Cluster headache: the possible significance of midline structures.
Cephalalgia : an international journal of headache 1988;8(4):229-36.
1988: D Souza Souza Carvalho; R Salvesen; Trond Sand; S E Smith; Ottar Sjaastad
Chronic paroxysmal hemicrania. XIII. The pupillometric pattern.
Cephalalgia : an international journal of headache 1988;8(3):219-26.
1988: R Salvesen; Trond Sand; Ottar Sjaastad
Cluster headache: combined assessment with pupillometry and evaporimetry.
Cephalalgia : an international journal of headache 1988;8(3):211-8.
1988: Ottar Sjaastad
Cluster headache: on the inadequacy of existing hypotheses concerning the origin of the autonomic phenomena.
Cephalalgia : an international journal of headache 1988;8(3):133-7.
1988: Y D Fragoso; A Seim; Lars Jacob Stovner; M Mack; Kristian S. Bjerve; Ottar Sjaastad
Arachidonic acid metabolism in polymorphonuclear cells in headaches. A methodologic study.
Cephalalgia : an international journal of headache 1988;8(3):149-55.
1988: Ottar Sjaastad; D de Souza Carvalho; Y D Fragoso
The cluster phenomenon: an unspecific feature?
Cephalalgia : an international journal of headache 1988;8(2):61-5.
1988: Ottar Sjaastad; Fabio Antonaci; Y D Fragoso
Cluster headache: further observations on the dissociation of pain and autonomic findings.
Cephalalgia : an international journal of headache 1988;8(2):127-32.
1988: Ottar Sjaastad; D de Souza Carvalho; J M Zhao
"Mild" cluster headache(?).
Cephalalgia : an international journal of headache 1988;8(2):121-6.
1988: Ottar Sjaastad; C Saunte; Torbjørn A Fredriksen; D de Souza Carvalho; Y D Fragoso; L G Dale; I Hørven
Cluster headache-like headache, Hageman trait deficiency, retrobulbar neuritis, and giant aneurysm. Autonomic function studies.
Cephalalgia : an international journal of headache 1988;8(2):111-20.
1988: Fabio Antonaci; Trond Sand; Y D Fragoso; Ottar Sjaastad
Sweating patterns in humans: II. Heat-induced forehead sweating and cutaneous temperature in healthy individuals.
Functional neurology 1988;3(2):217-24.
1987: R Salvesen; A Bogucki; M M Wysocka-Bakowska; Fabio Antonaci; Torbjørn A Fredriksen; Ottar Sjaastad
Cluster headache pathogenesis: a pupillometric study.
Cephalalgia : an international journal of headache 1987;7(4):273-84.
1987: Ottar Sjaastad; Fabio Antonaci
Chronic paroxysmal hemicrania: a case report. Long-lasting remission in the chronic stage.
Cephalalgia : an international journal of headache 1987;7(3):203-5.
1987: Ottar Sjaastad; K Tjørstad
"Hemicrania continua": a third Norwegian case.
Cephalalgia : an international journal of headache 1987;7(3):175-7.
1987: Ottar Sjaastad
"Hemicrania continua"--new developments.
Cephalalgia : an international journal of headache 1987;7(3):163-6.
1987: Ottar Sjaastad
Chronic paroxysmal hemicrania: recent developments.
Cephalalgia : an international journal of headache 1987;7(3):179-88.
1987: R Salvesen; Torbjørn A Fredriksen; A Bogucki; Ottar Sjaastad
Sweat gland and pupillary responsiveness in Horner's syndrome.
Cephalalgia : an international journal of headache 1987;7(2):135-46.
1987: Ottar Sjaastad; R Salvesen; Fabio Antonaci
The sweating anomaly in cluster headache. Further observations on the underlying mechanism.
Cephalalgia : an international journal of headache 1987;7(1):77-81.
1987: Ottar Sjaastad; R Salvesen; Fabio Antonaci
Headache research strategy.
Cephalalgia : an international journal of headache 1987;7(1):1-6.
1987: Ottar Sjaastad
Headache and the influence of stress. A personal view.
Annals of clinical research 1987;19(2):122-8.
1987: R Salvesen; Ottar Sjaastad
Cluster headache pathogenesis: a pupillometric study.
Cephalalgia : an international journal of headache 1987;7 Suppl 6():94-6.
1986: Ottar Sjaastad; Torbjørn A Fredriksen; Andreas Stolt-Nielsen
Cervicogenic headache, C2 rhizopathy, and occipital neuralgia: a connection?
Cephalalgia : an international journal of headache 1986;6(4):189-95.
1986: Ottar Sjaastad; J Aasly; Torbjørn A Fredriksen; M M Wysocka Bakowska
Chronic paroxysmal hemicrania. X. On the autonomic involvement.
Cephalalgia : an international journal of headache 1986;6(2):113-23.
1985: Ottar Sjaastad; C Saunte; Torbjørn A Fredriksen
Bilaterality of cluster headache. An hypothesis.
Cephalalgia : an international journal of headache 1985;5(1):55-8.
1984: Ottar Sjaastad; E L Spierings; C Saunte; M M Wysocka Bakowska; I Sulg; Torbjørn A Fredriksen
"Hemicrania continua". An indomethacin responsive headache. II. Autonomic function studies.
Cephalalgia : an international journal of headache 1984;4(4):265-73.
1982: Ottar Sjaastad; D Russell; C Saunte; I Hørven
Chronic paroxysmal hemicrania. VI. Precipitation of attacks. Further studies on the precipitation mechanism.
Cephalalgia : an international journal of headache 1982;2(4):211-4.