2023

• Mørk, Erik; Mjønes, Patricia Gjertrud; Foss, Olav A.; Bachmann, Ingeborg Margrethe; Christensen, Eidi. (2023) Expression of β-Catenin, E-Cadherin, and α-Smooth Muscle Actin in Basal Cell Carcinoma Before Photodynamic Therapy in Non-recurrent and Recurrent Tumors: Exploring the Ability of Predicting Photodynamic Therapy outcome. Journal of Histochemistry and Cytochemistry. volum 71 (3).
  Academic article

2022

• Christensen, Eidi; Foss, Olav A.; Qian, Peng. (2022) Extracorporeal Photopheresis with 5-Aminolevulinic Acid in patients with Graft-versus-Host disease. Acta Dermato-Venereologica. volum 102.
  Abstract
• Håberg, Øyvind; Bremnes, Thomas Alexander; Foss, Olav A.; Angenete, Oskar W; Lian, Øystein Bjerkestrand; Holen, Ketil Jarl. (2022) Children treated for developmental dysplasia of the hip at birth and with normal acetabular index at 1 year: How many had residual dysplasia at 5 years?. Journal of Children's Orthopaedics. volum 16 (3).
  Academic article
• Mørk, Erik; Mjønes, Patricia; Foss, Olav A.; Mørk, Cato; Bachmann, Ingeborg Margrethe; Kroon, Susanne; Dotterud, Lars Kåre; Helsing, Per; Vatne, Øystein; Christensen, Eidi. (2022) How well do experienced dermatologists clinically assess basal cell carcinoma subtype and thickness before treatment with photodynamic therapy?. Acta Dermato-Venereologica. volum 102.
  Abstract
• Winther, Siri Bjørgen; Klaksvik, Jomar; Wik, Tina Strømdal; Husby, Otto Schnell; Egeberg, Tarjei; Snildalsli, Sølvi; Liabakk-Selli, Sølvi; Foss, Olav A.. (2022) Higher dissatisfaction rate following revision compared with primary total knee arthroplasty: 1-year follow-up of 2151 primary and 235 aseptic revision surgeries. Orthopedics. volum 46 (1).
  Academic article
• Winther, Siri Bjørgen; Snorroeggen, Gøril Lund; Klaksvik, Jomar; Foss, Olav A.; Egeberg, Tarjei; Wik, Tina Strømdal; Husby, Otto Schnell. (2022) The indication for aseptic revision TKA does not influence 1-year outcomes: an analysis of 178 full TKA revisions from a prospective institutional registry. Acta Orthopaedica. volum 93.
  Academic article

2021

• Christensen, Eidi; Foss, Olav A.; Quist-Paulsen, Petter; Staur, Ingrid; Pettersen, Frode; Holien, Toril; Juzenas, Petras; Qian, Peng. (2021) Application of photodynamic therapy with 5-aminolevulinic acid to extracorporeal photopheresis in the treatment of patients with chronic graft-versus-host disease: A first-in-human study. Pharmaceutics. volum 13:1558 (10).
  Academic article
• Haugan, Kristin; Halsteinli, Vidar; Døhl, Øystein; Basso, Trude; Johnsen, Lars Gunnar; Foss, Olav A.. (2021) Health care services and costs after hip fracture, comparing conventional versus standardised care: A retrospective study with 12-month follow-up. Injury.
  Academic article
• Haugan, Kristin; Klaksvik, Jomar; Foss, Olav A.. (2021) 30-day mortality in patients after hip fracture surgery: A comparison of the Charlson Comorbidity Index score and ASA score used in two prediction models. Injury. volum 52.
  Academic article
• Liyanarachi, Suki; Hulleberg, Gunn; Foss, Olav A.. (2021) Is Gastrocnemius Tightness a Normal Finding in Children?: A Cross-Sectional Study of 204 Norwegian Schoolchildren. Journal of Bone and Joint Surgery. American volume. volum 103 (20).
  Academic article

2020

• Borchgrevink, Grethe; Goihl, Tobias; Wik, Per Bendik; Selvig, Kjerstin; Foss, Olav A.. (2020) Does the Use of Lycra-Hip-Orthoses Stabilize Gait and Increase Activity among Adults with Neurological Disabilities?. International Journal of Foot and Ankle (IJFA). volum 4 (2).
  Academic article
• Håberg, Øyvind; Foss, Olav A.; Lian, Øystein Bjerkestrand; Holen, Ketil Jarl. (2020) Is foot deformity associated with developmental dysplasia of the hip?. The Bone & Joint Journal. volum 102-B (11).
  Academic article
• Sandbakken, Erik Thorvaldsen; Witsø, Eivind; Sporsheim, Bjørnar; Egeberg, Kjartan Wøllo; Foss, Olav A.; Hoang, Linh; Bjerkan, Geir; Løseth, Kirsti; Bergh, Kåre. (2020) Highly variable effect of sonication to dislodge biofilm-embedded Staphylococcus epidermidis directly quantified by epifluorescence microscopy: an in vitro model study. Journal of Orthopaedic Surgery and Research. volum 15:522.
  Academic article
• Winther, Siri Bjørgen; Foss, Olav; Klaksvik, Jomar; Husby, Vigdis Schnell. (2020) Increased Muscle Strength Limits Postural Sway during Daily Living Activities in Total Hip Arthroplasty Patients. American Journal of Physical Medicine & Rehabilitation. volum 99 (7).
  Academic article
• Winther, Siri Bjørgen; Foss, Olav; Klaksvik, Jomar; Husby, Vigdis Schnell. (2020) Pain and load progression following an early maximal strength training program in total hip- and knee arthroplasty patients. Journal of Orthopaedic Surgery.
  Academic article

2019

• Thomassen, Peter Joachim Bruun; Basso, Trude; Foss, Olav A.. (2019) Endoscopic Treatment of Greater Trochanteric Pain Syndrome - A Case Series of 11 Patients. Journal of Orthopaedic Case Reports. volum 9 (1).
  Academic article

2018

• Hillesund, Sigrun; Fromreide, Ida; Foss, Olav A.; Finsen, Vilhjalmur. (2018) The value of remembered pre-operative quick disabilities of the arm, shoulder and hand (QuickDASH) scores. Journal of Plastic Surgery and Hand Surgery. volum 52 (5).
  Academic article
• Olasz, Adel; Christensen, Eidi; Braun, Runa; Foss, Olav A.; Dotterud, Lars Kåre. (2018) Curettage and multiple needle puncture-assisted methyl-aminolaevulinate photodynamic therapy of basal cell carcinoma. EJD. European journal of dermatology. volum 28 (6).
  Academic article
• Schnell Husby, Vigdis; Foss, Olav A.; Husby, Otto Schnell; Winther, Siri Bjørgen. (2018) Randomized controlled trial of maximal strength training vs. standard rehabilitation following total knee arthroplasty. European Journal of Physical and Rehabilitation Medicine. volum 54 (3).
  Academic article
• Winther, Siri Bjørgen; Foss, Olav A.; Husby, Otto Schnell; Wik, Tina Strømdal; Klaksvik, Jomar; Schnell Husby, Vigdis. (2018) A randomized controlled trial on maximal strength training in 60 patients undergoing total hip arthroplasty: Implementing maximal strength training into clinical practice. Acta Orthopaedica. volum 89 (3).
  Academic article
• Winther, Siri Bjørgen; Foss, Olav A.; Husby, Otto Schnell; Wik, Tina Strømdal; Klaksvik, Jomar; Schnell Husby, Vigdis. (2018) Muscular strength and function after total hip arthroplasty performed with three different surgical approaches: one-year follow-up study. HIP International.
  Academic article
• Øye, Christian Reidar; Foss, Olav A.; Holen, Ketil Jarl. (2018) Minor change in the sulcus angle during the first six years of life: A prospective study of the femoral trochlea development in dysplastic and normal knees. Journal of Children's Orthopaedics. volum 12 (3).
  Academic article

2017

• Haugan, Kristin; Johnsen, Lars Gunnar; Basso, Trude; Foss, Olav A.. (2017) Mortality and readmission following hip fracture surgery: A retrospective study comparing conventional and fast-track care. BMJ Open. volum 7.
  Academic article
• Lundbom, Janne Svinndal; Tangen, Lena Flatlandsmo; Jørgensen, Kathrine Wågø; Skarsvåg, Trine Irene; Ballo, Solveig Mollan; Hjelseng, Tonje; Foss, Olav A.; Finsen, Vilhjalmur. (2017) The influence of Lidocaine temperature on pain during subcutaneous injection. Journal of Plastic Surgery and Hand Surgery. volum 51 (2).
  Academic article
• Wormdal, Asbjørn Høye; Tallaksen, Stian Hystad; Hagen, Øyvind Høgetveit; Foss, Olav A.; Finsen, Vilhjalmur. (2017) Remembered preoperative Quick disabilities of the arm, shoulder and hand (QuickDASH) scores. Journal of Hand Surgery (European Volume). volum 42 (1).
  Academic article

2016

• Borchgrevink, Grethe; Viset, Annja Torlaug; Witsø, Eivind; Schei, Berit; Foss, Olav A.. (2016) Does the use of high-heeled shoes lead to fore-foot pathology? A controlled cohort study comprising 197 women. Foot and Ankle Surgery. volum 22 (4).
  Academic article
• Christensen, Eidi; Mjønes, Patricia; Grimstad, Øystein; Rørdam, Ole Martin; Foss, Olav A.. (2016) Diagnostic Accuracy in Subtyping Basal Cell Carcinoma by Clinical Diagnosis Compared with Punch Biopsy. Acta Dermato-Venereologica. volum 96.
  Academic article
• Do, Duc Nhat Le; Kruke, Torbjørn Marstein; Foss, Olav A.; Basso, Trude. (2016) Reoperations and mortality in 383 patients operated with parallel screws for Garden I-II femoral neck fractures with up to ten years follow-up. Injury. volum 47 (12).
  Academic article
• Engdal, Monika; Foss, Olav A.; Taraldsen, Kristin; Schnell Husby, Vigdis; Winther, Siri Bjørgen. (2016) Daily Physical Activity in Total Hip Arthroplasty Patients Undergoing Different Surgical Approaches A Cohort Study. American Journal of Physical Medicine & Rehabilitation.
  Academic article
• Foss, Olav A.; Mjønes, Patricia; Fismen, Silje; Christensen, Eidi. (2016) Is there a relationship between the stratum corneum thickness and that of the viable parts of tumour cells in basal cell carcinoma?. Journal of Skin Cancer. volum 2016:6146091.
  Academic article
• Holmeslet, Berit; Klaksvik, Jomar; Goplen, Frederik Kragerud; Bugten, Vegard; Foss, Olav A.. (2016) The repeatability of oVEMP in response to low-frequency vibration against the vertex and forehead. Journal of Vestibular Research-Equilibrium & Orientation. volum 26 (3).
  Academic article
• Høvik, Lise Husby; Winther, Siri Bjørgen; Foss, Olav A.; Gjeilo, Kari Hanne. (2016) Preoperative pain catastrophizing and postoperative pain after total knee arthroplasty: A prospective cohort study with one year follow-up. BMC Musculoskeletal Disorders. volum 17:214.
  Academic article
• Winther, Siri Bjørgen; Husby, Vigdis Schnell; Foss, Olav A.; Wik, Tina Strømdal; Svenningsen, Svein; Engdal, Monika; Haugan, Kristin; Husby, Otto Schnell. (2016) Muscular strength after total hip arthroplasty. A prospective comparison of 3 surgical approaches. Acta Orthopaedica. volum 87 (1).
  Academic article
• Øye, Christian; Foss, Olav A.; Holen, Ketil Jarl. (2016) Breech presentation is a risk factor for dysplasia of the femoral trochlea. Acta Orthopaedica. volum 87 (2).
  Letter to the editor
• Øye, Christian; Foss, Olav A.; Holen, Ketil Jarl. (2016) Breech presentation is a risk factor for dysplasia of the femoral trochlea. Acta Orthopaedica. volum 87 (1).
  Academic article

2015

• Christensen, Eidi; Mjønes, Patricia; Grimstad, Øystein; Rørdam, Ole Martin; Foss, Olav A.. (2015) Comparison of clinical and histopathological evaluations of basal cell carcinoma thickness. British Journal of Dermatology. volum 173 (2).
  Academic article
• Hofstad, Janne Kristin; Winther, Siri Bjørgen; Rian, Torbjørn; Foss, Olav A.; Husby, Otto Schnell; Wik, Tina Strømdal. (2015) Perioperative local infiltration anesthesia with ropivacaine has no effect on postoperative pain after total hip arthroplasty. A randomized, double-blind, placebo-controlled trial with 116 patients. Acta Orthopaedica. volum 86 (6).
  Academic article
• Holmeslet, Berit; Foss, Olav; Bugten, Vegard; Brantberg, Krister. (2015) Ocular vestibular-evoked myogenic potentials (oVEMPs) in response to bone-conducted vertex vibration. Clinical Neurophysiology. volum 126 (3).
  Academic article
• Winther, Siri Bjørgen; Foss, Olav A.; Wik, Tina Stromdal; Davis, Shawn Patric; Engdal, Monika; Jessen, Vigleik; Husby, Otto Schnell. (2015) Erratum: 1-year follow-up of 920 hip and knee arthroplasty patients after implementing fast-track - Good outcomes in a Norwegian university hospital (Acta Orthopaedica (2015) 86, (78-85) DOI: 10.3109/17453674.2014.957089). Acta Orthopaedica. volum 86 (1).
  Errata
• Winther, Siri Bjørgen; Foss, Olav A.; Wik, Tina Strømdal; Davis, Shawn Patric; Engdal, Monika; Jessen, Vigleik; Husby, Otto Schnell. (2015) 1-year follow-up of 920 hip and knee arthroplasty patients after implementing fast-track: Good outcomes in a Norwegian university hospital. Acta Orthopaedica. volum 86 (1).
  Academic article

2014

• Basso, Trude; Klaksvik, Jomar; Foss, Olav. (2014) Locking plates and their effects on healing conditions and stress distribution: A femoral neck fracture study in cadavers. Clinical Biomechanics. volum 29 (5).
  Short communication
• Basso, Trude; Klaksvik, Jomar; Foss, Olav. (2014) Statistical consequences of using bone mineral density to pair cadaver femurs in comparative ex vivo hip fracture studies. The Bone & Joint Journal. volum 3.
  Academic article
• Basso, Trude; Klaksvik, Jomar; Foss, Olav A. (2014) The effect of interlocking parallel screws in subcapital femoral-neck fracture fixation: a cadaver study. Clinical Biomechanics. volum 29 (2).
  Academic article
• Basso, Trude; Klaksvik, Jomar; Syversen, Unni; Foss, Olav. (2014) A biomechanical comparison of composite femurs and cadaver femurs used in experiments on operated hip fractures. Journal of Biomechanics. volum 47 (16).
  Academic article
• Bjerke, Joakim; Öhberg, Fredrik; Nilsson, Kjell G.; Foss, Olav; Stensdotter, Ann-Katrin. (2014) Peak Knee Flexion Angles During Stair Descent in TKA Patients. Journal of Arthroplasty. volum 29 (4).
  Academic article
• Gifstad, Tone; Foss, Olav; Engebretsen, Lars; Lind, Martin; Forssblad, Magnus; Albrektsen, Grethe; Drogset, Jon Olav. (2014) Lower risk of revision with patellar tendon autografts compared with hamstring autografts: A registry study based on 45,998 primary ACL Reconstructions in Scandinavia. American Journal of Sports Medicine. volum 42 (10).
  Academic article
• Nysted, Mona Iren; Foss, Olav; Klaksvik, Jomar; Benum, Pål; Haugan, Kristin; Husby, Otto Schnell; Aamodt, Arild. (2014) Small and similar amounts of micromotion in an anatomical stem and a customized cementless femoral stem in regularshaped femurs : A 5-year follow-up randomized RSA study. Acta Orthopaedica. volum 85 (2).
  Academic article
• Øye, Christian; Holen, Ketil; Foss, Olav. (2014) Mapping of the femoral trochlea in a newborn population: an ultrasonographic study. Acta Radiologica. volum 56 (2).
  Academic article

2013

• Christensen, Eidi; Foss, Olav. (2013) Tykkelse av basalcellekarsinom. BestPractice.
  Article

2012

• Basso, Trude; Klaksvik, Jomar; Syversen, Unni; Foss, Olav A. (2012) Biomechanical femoral neck fracture experiments-A narrative review. Injury. volum 43 (10).
  Academic literature review
• Bjørgen, Siri; Jessen, Vigleik; Husby, Otto Schnell; Røset, Øyvind; Foss, Olav A. (2012) Internt kvalitetsregister for leddproteser. Tidsskrift for Den norske legeforening. volum 132 (6).
  Short communication
• Haugan, Kristin; Husby, Otto Schnell; Klaksvik, Jomar; Foss, Olav. (2012) The migration pattern of the Charnley femoral stem: a five-yar follow-up RSA study in a well-functioning patient group. Journal of Orthopaedics and Traumatology. volum 13 (3).
  Academic article

2011

• Christensen, Eidi; Mjønes, Patricia Gjertrud; Foss, Olav Andreas; Rørdam, Ole Martin; Skogvoll, Eirik. (2011) Pre-treatment evaluation of basal cell carcinoma for photodynamic therapy: comparative measurement of tumour thickness in punch biopsy and excision specimens. Acta Dermato-Venereologica. volum 91 (6).
  Academic article
• Christensen, Eidi; Mørk, Cato; Foss, Olav Andreas. (2011) Pre-Treatment Deep Curettage Can Significantly Reduce Tumour Thickness in Thick Basal Cell Carcinoma While Maintaining a Favourable Cosmetic Outcome When Used in Combination with Topical Photodynamic Therapy. Journal of Skin Cancer.
  Academic article
• La Russa, Valentina; Skallerud, Bjørn Helge; Klaksvik, Jomar; Foss, Olav Andreas. (2011) Reduction in wire tension caused by dynamic loading. An experimental Ilizarov frame study. Journal of Biomechanics. volum 44 (8).
  Academic article
• La Russa, Valentina; Skallerud, Bjørn Helge; Klaksvik, Jomar; Foss, Olav Andreas. (2011) Reduction in wire tension caused by wire clamping and wire tensioner removal: an experimental Ilizarov frame study. Proceedings of the Institution of mechanical engineers. Part H, journal of engineering in medicine. volum 225 (3).
  Academic article
• Nysted, Mona Iren; Benum, Pål; Klaksvik, Jomar; Foss, Olav; Aamodt, Arild. (2011) Periprosthetic bone loss after insertion of an uncemented, customized femoral stem and an uncemented anatomical stem A randomized DXA study with 5-year follow-up. Acta Orthopaedica. volum 82 (4).
  Academic article
• Wik, Tina Strømdal; Enoksen, Cathrine; Klaksvik, Jomar; Østbyhaug, Per Olav; Foss, Olav; Ludvigsen, Jarle; Aamodt, Arild. (2011) In vitro testing of the deformation pattern and initial stability of a cementless stem coupled to an experimental femoral head, with increased offset and altered femoral neck angles. Proceedings of the Institution of mechanical engineers. Part H, journal of engineering in medicine. volum 225 (H8).
  Academic article

2010

• Husby, Otto Schnell; Haugan, Kristin; Benum, Pål; Foss, Olav A. (2010) A prospective randomised radiostereometric analysis trial of SmartSet HV and Palacos R bone cements in primary total hip arthroplasty. Journal of Orthopaedics and Traumatology. volum 11 (1).
  Academic article
• La Russa, Valentina; Skallerud, Bjørn Helge; Klaksvik, Jomar; Foss, Olav Andreas. (2010) Wire tension versus wire frequency: An experimental Ilizarov frame study. Journal of Biomechanics. volum 43 (12).
  Academic article
• Wik, Tina Strømdal; Foss, Olav Andreas; Havik, Steinar; Persen, Leif; Aamodt, Arild; Witsø, Eivind. (2010) Periprosthetic fracture caused by stress shielding after implantation of a femoral condyle endoprosthesis in a transfemoral amputee-a case report. Acta Orthopaedica. volum 81 (6).
  Academic article

2009

• Pettersen, Sune Hansborg; Aamodt, Arild; Foss, Olav Andreas; Skallerud, Bjørn Helge. (2009) Subject specific finite element analysis of a callus distraction - a preliminary study. MekIT'09 : Fifth National Conference on Computational Mechanics, Trondheim 26-27 May 2009.
  Academic chapter/article/Conference paper

2008

• Foss, Olav Andreas; Benum, Pål. (2008) The Rotation Ratios Method A method to describe altered spatial orientation in sequential radiographs from one pelvis. Tapir Akademisk Forlag. 2008. ISBN 978-82-471-7278-0.
  Doctoral dissertation
• Foss, Olav Andreas; Klaksvik, Jomar; Benum, Pål; Anda, Svein. (2008) Polyethylene acetabular wear in hip prostheses: computer-simulated quantification of error caused by changes in pelvic orientation and direction of wear. Acta Orthopaedica. volum 79 (5).
  Academic article
• Lunde, Knut Birger; Foss, Olav Andreas; Fosse, Lars; Skallerud, Bjørn Helge. (2008) Constitutive Models for Constrained Compression of Unimpacted and Impacted Human Morselized Bone Grafts. Journal of Biomechanical Engineering. volum 130 (6).
  Academic article
• Lunde, Knut Birger; Foss, Olav Andreas; Skallerud, Bjørn Helge. (2008) On the applicability of bovine morsellized cortico-cancellous bone as a substitute for human morsellized cortico-cancellous bone for in-vitro mechanical testing. Journal of Biomechanics. volum 41 (16).
  Academic article

2004

• Foss, Olav; Husebye, Steinar; Törnroos, Karl Wilhelm; Fanwick, PE. (2004) Synthesis and X-ray crystal structures of six [TeL4][MF6] salts, where L is ethylene- or trimethylene-thiourea, and M is Si, Ge or Sn. Five Te(II) complexes with a novel type of structure linked together by unusual N-H×××F hydrogen bonds. Polyhedron. volum 23 (18).
  Academic article

1997

• Foss, Olav; Selstad, Tor. (1997) Regional arbeidsdeling. 1997. ISBN 82-518-3579-8.
  Non-fiction book