Author information from the last article
E-post: knut.hagen@stolav.no
Seksjon for medisinske kvalitetsregistre
St. Olavs hospital
Trondheim
Forfatterbidrag: planlegging, gjennomføring av studien, analyse, utarbeiding av selve manuset og godkjenning av innsendte manusversjon.
Knut Hagen er spesialist i nevrologi, faglig leder i Norsk kvalitetsregister for alvorlige primære hodepiner samt medisinskfaglig rådgiver.
Articles by Knut Hagen
Observed agreement in the Norwegian quality register for severe headaches
- Knut Hagen,
- Bente Urfjell,
- Nina Bäcklund
20.04.2026:
The Norwegian quality register for severe headaches (the Headache Register) was given national status in spring 2022, with the primary aim of implementing quality improvement measures to ensure equal access to high-quality diagnostics, treatment and follow-up for patients with trigeminal autonomic...
Room for improvement in the follow-up for unilateral headache with autonomic symptoms
- Knut Hagen,
- Bendik S. Winsvold,
- Marte Helene Bjørk,
- Erling Tronvik,
- Laila Bratterud Mathiesen,
- Hilde Karen Ofte,
- Christofer Lundqvist,
- Julie Sønnervik,
- Nina Bäcklund
16.05.2024:
Quicker diagnosis and a higher standard of follow-up for trigeminal autonomic cephalalgia is possible – and necessary. The Norwegian Quality Register for Severe Primary Headaches, established in 2022, is a consent-based national quality register of patients with cluster headache, paroxysmal...
Pragmatic trials – what are they?
- Magnus Nakrem Lyngbakken,
- Aksel Paulsen,
- Ashwini Sethupathy,
- Øyvind Hesselberg,
- Sameline Grimsgaard,
- Knut Hagen
11.10.2021:
Pragmatic clinical trials are based on data from unselected patients recruited from common clinical practice. These trials therefore bridge the gap between evidence-based medicine and clinical practice. The concept of pragmatic trials was proposed by Schwartz and Lellouch in 1967 and helped...
Practical management of headache
- Anne Hege Aamodt,
- Marte Helene Bjørk,
- Karl Bjørnar Alstadhaug,
- Guttorm Eldøen,
- Aud Nome Dueland,
- Tine Poole,
- Knut Hagen,
- Kjersti Grøtta Vetvik,
- Hilde Karen Ofte,
- Julie Sønnervik,
- Espen Saxhaug Kristoffersen,
- Bendik Slagsvold Winsvold,
- Christofer Lundqvist,
- Ståle O. Sagabråten
03.04.2019:
Diagnosing different types of headache correctly can be challenging, but is the most important prerequisite for optimal treatment. Controlled use of acute medications and prophylaxis is recommended. Headache disorders are among the most common causes of disability, according to the findings of the...