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F. Frihagen · SciRah

Researcher profile · Semantic Scholar

F. Frihagen

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F. Frihagen — researcher profile on SciRah

h-index: 41
Works: 152
Citations: 4,884

Most-cited papers

Total Hip Arthroplasty or Hemiarthroplasty for Hip Fracture.
M. Bhandari, T. Einhorn, G. Guyatt, E. Schemitsch +12 more
2019New England Journal of Medicine413 citations Open access
Semantic Scholar
Randomized Trial Comparing Suture Button with Single Syndesmotic Screw for Syndesmosis Injury
M. Andersen, F. Frihagen, J. Hellund, J. Madsen +1 more
2018Journal of Bone and Joint Surgery. American volume141 citations
Semantic Scholar
Screw Fixation Versus Hemiarthroplasty for Nondisplaced Femoral Neck Fractures in Elderly Patients: A Multicenter Randomized Controlled Trial
Filip C. Dolatowski, F. Frihagen, S. Bartels, Vidar Opland +4 more
2019Journal of Bone and Joint Surgery. American volume123 citations
Semantic Scholar
Associations Between Delirium and Preoperative Cerebrospinal Fluid C‐Reactive Protein, Interleukin‐6, and Interleukin‐6 Receptor in Individuals with Acute Hip Fracture
B. E. Neerland, R. Hall, I. Seljeflot, F. Frihagen +4 more
2016Journal of The American Geriatrics Society90 citations Open access
Semantic Scholar
Better outcome for suture button compared with single syndesmotic screw for syndesmosis injury: five-year results of a randomized controlled trial.
B. Ræder, W. Figved, J. Madsen, F. Frihagen +2 more
2020The Bone & Joint Journal76 citations
Semantic Scholar
The importance of syndesmotic reduction on clinical outcome after syndesmosis injuries.
M. Andersen, L. Diep, F. Frihagen, J. Hellund +2 more
2019Journal of Orthopaedics and Trauma70 citations
Semantic Scholar
Delirium is a risk factor for further cognitive decline in cognitively impaired hip fracture patients.
M. Krogseth, L. Watne, V. Juliebø, E. Skovlund +3 more
2016Archives of gerontology and geriatrics (Print)69 citations
Semantic Scholar
Preoperative posterior tilt of at least 20° increased the risk of fixation failure in Garden-I and -II femoral neck fractures
Filip C. Dolatowski, Mina Adampour, F. Frihagen, K. Stavem +2 more
2016Acta Orthopaedica68 citations Open access
Semantic Scholar
Cast immobilization is non-inferior to volar locking plates in relation to QuickDASH after one year in patients aged 65 years and older: a randomized controlled trial of displaced distal radius fractures.
S. Hassellund, J. H. Williksen, M. M. Laane, A. Pripp +4 more
2021The Bone & Joint Journal67 citations
Semantic Scholar
Posterior versus lateral approach for hemiarthroplasty after femoral neck fracture: Early complications in a prospective cohort of 583 patients.
Stian Svenøy, Marianne Westberg, W. Figved, Haldor Valland +4 more
2017Injury63 citations
Semantic Scholar
Neurofilament Light in Serum and Cerebrospinal Fluid of Hip Fracture Patients with Delirium
N. Halaas, K. Blennow, A. Idland, T. Wyller +5 more
2018Dementia and Geriatric Cognitive Disorders58 citations Open access
Semantic Scholar
Preclinical Amyloid-β and Axonal Degeneration Pathology in Delirium
A. Idland, T. Wyller, R. Støen, L. M. Eri +9 more
2016Journal of Alzheimer's Disease57 citations Open access
Semantic Scholar
Effects of Teriparatide Compared with Risedronate on Recovery After Pertrochanteric Hip Fracture: Results of a Randomized, Active-Controlled, Double-Blind Clinical Trial at 26 Weeks.
P. Aspenberg, J. Malouf, U. Tarantino, P. García-Hernández +10 more
2016Journal of Bone and Joint Surgery. American volume55 citations Open access
Semantic Scholar
Prosthetic joint infection—a devastating complication of hemiarthroplasty for hip fracture
Ellen Guren, W. Figved, F. Frihagen, L. Watne +1 more
2017Acta Orthopaedica54 citations Open access
Semantic Scholar
High failure rate after internal fixation and beneficial outcome after arthroplasty in treatment of displaced femoral neck fractures in patients between 55 and 70 years
S. Bartels, J. Gjertsen, F. Frihagen, C. Rogmark +2 more
2019Acta Orthopaedica51 citations Open access
Semantic Scholar
Effect of Teriparatide or Risedronate in Elderly Patients With a Recent Pertrochanteric Hip Fracture: Final Results of a 78‐Week Randomized Clinical Trial
J. Malouf-Sierra, U. Tarantino, P. García-Hernández, C. Corradini +10 more
2017Journal of Bone and Mineral Research50 citations Open access
Semantic Scholar
Perioperative hemodynamics and risk for delirium and new onset dementia in hip fracture patients; A prospective follow-up study
B. E. Neerland, M. Krogseth, V. Juliebø, Anette Hylen Ranhoff +5 more
2017PLoS ONE50 citations Open access
Semantic Scholar
Increased CSF levels of aromatic amino acids in hip fracture patients with delirium suggests higher monoaminergic activity
L. Watne, A. Idland, D. Fekkes, J. Raeder +6 more
2016BMC Geriatrics43 citations Open access
Semantic Scholar
Randomized trial comparing suture button with single 3.5 mm syndesmotic screw for ankle syndesmosis injury: similar results at 2 years
B. Ræder, I. Stake, J. Madsen, F. Frihagen +3 more
2020Acta Orthopaedica41 citations Open access
Semantic Scholar
Interdisciplinary care of hip fractures.: Orthogeriatric models, alternative models, interdisciplinary teamwork.
A. Ranhoff, I. Saltvedt, F. Frihagen, J. Raeder +2 more
2019Baillière's Best Practice & Research : Clinical Rheumatology39 citations Open access
Semantic Scholar
Cerebrospinal Fluid S100B and Alzheimer's Disease Biomarkers in Hip Fracture Patients with Delirium
K. Hov, N. Bolstad, A. Idland, H. Zetterberg +6 more
2017Dementia and Geriatric Cognitive Disorders Extra38 citations Open access
Semantic Scholar
Cerebrospinal fluid levels of neopterin are elevated in delirium after hip fracture
R. Hall, L. Watne, A. Idland, J. Raeder +5 more
2016Journal of Neuroinflammation38 citations Open access
Semantic Scholar
Reliability of the classification of proximal femur fractures: Does clinical experience matter?
T. Crijns, S. Janssen, Jacob T Davis, D. Ring +66 more
2018Injury35 citations
Semantic Scholar
Interobserver reliability of the Schatzker and Luo classification systems for tibial plateau fractures.
J. J. Mellema, J. Doornberg, R. J. Molenaars, D. Ring +82 more
2016Injury35 citations Open access
Semantic Scholar
Blood-Cerebrospinal Fluid Barrier Integrity in Delirium Determined by Q-Albumin
K. Hov, J. Berg, F. Frihagen, J. Ræder +3 more
2016Dementia and Geriatric Cognitive Disorders35 citations
Semantic Scholar
Cerebrospinal fluid quinolinic acid is strongly associated with delirium and mortality in hip-fracture patients
L. Watne, C. Pollmann, B. E. Neerland, Else Quist-Paulsen +16 more
2022Journal of Clinical Investigation33 citations Open access
Semantic Scholar
Decreases in heart rate variability are associated with postoperative complications in hip fracture patients
G. Ernst, L. Watne, F. Frihagen, T. Wyller +2 more
2017PLoS ONE32 citations Open access
Semantic Scholar
Venous Thromboembolism in Hip Fracture Patients: A Subanalysis of the FAITH and HEALTH Trials.
D. MacDonald, D. Neilly, P. Schneider, S. Bzovsky +8 more
2020Journal of Orthopaedics and Trauma31 citations Open access
Semantic Scholar
Longitudinal trajectories of functional recovery after hip fracture
Shams Dakhil, I. Saltvedt, J. Benth, P. Thingstad +6 more
2023PLoS ONE27 citations Open access
Semantic Scholar
High prevalence of vertebral fractures and low trabecular bone score in patients with fragility fractures: A cross-sectional sub-study of NoFRACT.
T. Borgen, Å. Bjørnerem, L. Solberg, C. Andreasen +16 more
2019Bone25 citations Open access
Semantic Scholar
Bigger Data, Bigger Problems
G. Slobogean, P. Giannoudis, F. Frihagen, M. Forte +2 more
2015Journal of Orthopaedics and Trauma24 citations Open access
Semantic Scholar
Low bone density and high morbidity in patients between 55 and 70 years with displaced femoral neck fractures: a case-control study of 50 patients vs 150 normal controls
S. Bartels, J. Gjertsen, F. Frihagen, C. Rogmark +1 more
2019BMC Musculoskeletal Disorders23 citations Open access
Semantic Scholar
Effect of a Fracture Liaison Service on the Rate of Subsequent Fracture Among Patients With a Fragility Fracture in the Norwegian Capture the Fracture Initiative (NoFRACT)
C. Andreasen, L. Solberg, T. Basso, T. Borgen +16 more
2018JAMA Network Open23 citations Open access
Semantic Scholar
Orthogeriatrics prevents functional decline in hip fracture patients: report from two randomized controlled trials
Shams Dakhil, P. Thingstad, F. Frihagen, L. G. Johnsen +6 more
2021BMC Geriatrics22 citations Open access
Semantic Scholar
Factors Associated With Mortality After Surgical Management of Femoral Neck Fractures.
S. Bzovsky, Marianne Comeau-Gauthier, E. Schemitsch, M. Swiontkowski +4 more
2020Journal of Orthopaedics and Trauma21 citations Open access
Semantic Scholar
Results after introduction of a hip fracture care pathway: comparison with usual care
Stian Svenøy, L. Watne, I. Hestnes, Marianne Westberg +2 more
2020Acta Orthopaedica21 citations Open access
Semantic Scholar
Effects of nutritional intervention upon bone turnover in elderly hip fracture patients. Randomized controlled trial.
A. Torbergsen, L. Watne, F. Frihagen, T. Wyller +1 more
2019Clinical Nutrition ESPEN21 citations
Semantic Scholar
Chronic pelvic insufficiency fractures and their treatment
J. Gewiess, C. Albers, M. Keel, F. Frihagen +2 more
2024Archives of Orthopaedic and Trauma Surgery20 citations Open access
Semantic Scholar
Long-term outcomes after high-energy open tibial fractures: Is a salvaged limb superior to prosthesis in terms of physical function and quality of life?
C. Frisvoll, J. Clarke-Jenssen, J. Madsen, G. Flugsrud +3 more
2019European Journal of Orthopaedic Surgery & Traumatology20 citations
Semantic Scholar
Micronutrients and the risk of hip fracture: Case-control study.
A. Torbergsen, L. Watne, T. Wyller, F. Frihagen +3 more
2017Clinical Nutrition18 citations
Semantic Scholar
Taylor Spatial Frame™ or reamed intramedullary nailing for closed fractures of the tibial shaft. A randomized controlled trial.
F. Frihagen, J. Madsen, M. Sundfeldt, G. Flugsrud +3 more
2020Journal of Orthopaedics and Trauma17 citations
Semantic Scholar
Post‐fracture Risk Assessment: Target the Centrally Sited Fractures First! A Substudy of NoFRACT
T. Borgen, Å. Bjørnerem, L. Solberg, C. Andreasen +15 more
2019Journal of Bone and Mineral Research17 citations Open access
Semantic Scholar
Higher cartilage wear in unipolar than bipolar hemiarthroplasties of the hip at 2 years: A randomized controlled radiostereometric study in 19 fit elderly patients with femoral neck fractures
W. Figved, Stian Svenøy, S. Röhrl, J. Dahl +2 more
2018Acta Orthopaedica17 citations Open access
Semantic Scholar
Comparing two different orthogeriatric models of care for hip fracture patients: an observational prospective cross-sectional study
L. Solberg, Elise Berg Vesterhus, I. Hestnes, M. Ahmed +3 more
2023BMJ Open Quality16 citations Open access
Semantic Scholar
Arthroplasty Versus Internal Fixation for the Treatment of Undisplaced Femoral Neck Fractures: A Retrospective Cohort Study.
Shaikh Afaq, Nathan N. O'Hara, E. Schemitsch, S. Bzovsky +7 more
2020Journal of Orthopaedics and Trauma15 citations Open access
Semantic Scholar
Who, if anyone, may benefit from a total hip arthroplasty after a displaced femoral neck fracture?
F. Frihagen, Marianne Comeau-Gauthier, D. Axelrod, S. Bzovsky +5 more
2022Bone & Joint Open14 citations Open access
Semantic Scholar
The proximal hamstring avulsion clinical trial (PHACT)—a randomised controlled non-inferiority trial of operative versus non-operative treatment of proximal hamstrings avulsions: study protocol
E. Pihl, M. Kristoffersen, Anne-Mari N. Rosenlund, S. Laszlo +12 more
2019BMJ Open14 citations Open access
Semantic Scholar
Epidemiology of forearm fractures in women and men in Norway 2008–2019
C. Andreasen, C. Dahl, L. Solberg, T. Borgen +9 more
2023Osteoporosis International13 citations Open access
Semantic Scholar
Total Hip Arthroplasty Leads to Better Results After Low-Energy Displaced Femoral Neck Fracture in Patients Aged 55 to 70 Years
S. Bartels, T. Kristensen, J. Gjertsen, F. Frihagen +5 more
2022Journal of Bone and Joint Surgery. American volume13 citations Open access
Semantic Scholar
Surgical treatment is not cost-effective compared to nonoperative treatment for displaced distal radius fractures in patients 65 years and over
S. Hassellund, Zinajda Zolic-Karlsson, J. H. Williksen, T. Husby +2 more
2021Bone & Joint Open13 citations Open access
Semantic Scholar

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