Blar i forfatter Det helsevitenskapelige fakultet "Tronvik, Erling Andreas"

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    • Continuous positive airway pressure in cluster headache: A randomized, placebo-controlled, triple-blind, crossover study 

      Gravdahl, Gøril Bruvik; Aakerøy, Lars; Stovner, Lars Jacob; Engstrøm, Morten; Müller, Kai Ivar; Bjørk, Marte-Helene; Tronvik, Erling Andreas (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-01-09)
      Background - Oxygen inhalation aborts cluster headache attacks, and case reports show the effect of continuous positive airway pressure. The aim of this study was to investigate the prophylactic effect of continuous positive airway pressure in chronic cluster headache.<p> <p>Methods - This was a randomized placebo-controlled triple-blind crossover study using active and sham continuous positive ...

    • Lack of association between cluster headache and PER3 clock gene polymorphism 

      Ofte, Hilde Karen; Tronvik, Erling Andreas; Alstadhaug, Karl Bjørnar (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-02-29)
      Background Cluster headache (CH) is regarded as a chronobiological disorder. The hypothalamic biological clock may thus be involved in the pathophysiology, but few studies have actually investigated this in CH patients. A variable number tandem repeat (VNTR) polymorphism of the PER3 clock gene has been associated to preferred daily rhythm (chronotype) in several studies. We aimed to study the ...

    • Surgery for degenerative cervical myelopathy in patients with rheumatoid arthritis and ankylosing spondylitis: a nationwide registry-based study with patient-reported outcomes 

      Holmberg, Siril Therese; Gulati, Agnete Malm; Johansen, Tonje Okkenhaug; Salvesen, Øyvind; Vangen-Lønne, Vetle; Solberg, Tore; Tronvik, Erling Andreas; Nygaard, Øystein Petter; Gulati, Sasha (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-10-15)
      Purpose To compare patient-reported outcomes (PROMs) following surgery for degenerative cervical myelopathy (DCM) among patients with rheumatoid arthritis (RA) or ankylosing spondylitis (AS) versus those without rheumatic diseases. Methods Data were obtained from the Norwegian Registry for Spine Surgery. The primary outcome was change in the Neck Disability Index (NDI) at 1 year. Secondary endpoints ...