Publications 2024

Breen AB, Steen H, Pripp A, Niratisairak S, Horn J (2024)
Accuracy of 4 Different Methods for Estimation of Remaining Growth and Timing of Epiphysiodesis
J Bone Joint Surg Am, 106 (20), 1888-1894
DOI 10.2106/JBJS.23.01483, PubMed 39052759

Casareto L, Appelman-Dijkstra NM, Brandi ML, Chapurlat R, Cormier-Daire V, Hamdy NAT, Heath KE, Horn J, Mantovani G, Mohnike K, Sousa SB, Travessa A, Wekre LL, Zillikens MC, Sangiorgi L, European Reference Network on rare BONe Diseases (2024)
ERN BOND: The key European network leveraging diagnosis, research, and treatment for rare bone conditions
Eur J Med Genet, 68, 104916
DOI 10.1016/j.ejmg.2024.104916, PubMed 38296035

Mindler GT, Stauffer A, Chiari C, Mladenov K, Horn J (2024)
Achondroplasia current concept of orthopaedic management
J Child Orthop, 18 (5), 461-476
DOI 10.1177/18632521241269340, PubMed 39391573

Radler C, Calder P, Eidelman M, Horn J, Kold S, Langendörfer M, Manner HM, Sedki I, Vogt B (2024)
What's new in pediatric lower limb reconstruction?
J Child Orthop, 18 (4), 349-359
DOI 10.1177/18632521241258351, PubMed 39100980

Publications 2023

Breen AB, Steen H, Pripp A, Hvid I, Horn J (2023)
Comparison of Different Bone Age Methods and Chronological Age in Prediction of Remaining Growth Around the Knee
J Pediatr Orthop, 43 (6), 386-391
DOI 10.1097/BPO.0000000000002397, PubMed 36941111

Terjesen T, Horn J (2023)
Response to comment on Terjesen T and Horn J "Risk factors for hip displacement in cerebral palsy: A population-based study of 121 nonambulatory children"
J Child Orthop, 17 (2), 193-194
DOI 10.1177/18632521231156550, PubMed 37034191

Publications 2022

Breen AB, Steen H, Pripp A, Gunderson R, Sandberg Mentzoni HK, Merckoll E, Zaidi W, Lambert M, Hvid I, Horn J (2022)
A comparison of 3 different methods for assessment of skeletal age when treating leg-length discrepancies: an inter- and intra-observer study
Acta Orthop, 93, 222-228
DOI 10.2340/17453674.2021.1133, PubMed 35019143

Iversen PO, Hankin A, Horn J, Pedersen TH, Borgersen R, Frøen HM (2022)
Deep Compartment Syndrome Without Myonecrosis: A Case Report on a Rare Complication of Sickle Cell Disease
Cureus, 14 (9), e29164
DOI 10.7759/cureus.29164, PubMed 36258983

Terjesen T, Horn J (2022)
Risk factors for hip displacement in cerebral palsy: A population-based study of 121 nonambulatory children
J Child Orthop, 16 (4), 306-312
DOI 10.1177/18632521221113424, PubMed 35992522

Weinmayer H, Breen AB, Steen H, Horn J (2022)
Angular deformities after percutaneous epiphysiodesis for leg length discrepancy
J Child Orthop, 16 (5), 401-408
DOI 10.1177/18632521221115059, PubMed 36238144

Publications 2021

Bjørge PA, Tveter AT, Steen H, Gunderson R, Horn J (2021)
Femoral lengthening might impair physical function and lead to structural changes in adjacent joints: 10 patients with 27 to 34 years' follow-up
Acta Orthop, 92 (3), 329-334
DOI 10.1080/17453674.2020.1866864, PubMed 33410356

Horn J, Rasmussen H, Bukholm IRK, Røise O, Terjesen T (2021)
Compensation claims in pediatric orthopedics in Norway between 2012 and 2018: a nationwide study of 487 patients
Acta Orthop, 92 (5), 615-620
DOI 10.1080/17453674.2021.1932922, PubMed 34082661

Huhnstock S, Stromme H, Horn J (2021)
Monteggia fractures in children: a rapid review of injury mechanisms, diagnosis and treatment
Minerva Orthop., 72 (1), 59-70
DOI 10.23736/S0394-3410.20.04054-0

Terjesen T, Horn J (2021)
The Femoral Head-Shaft Angle Is Not a Predictor of Hip Displacement in Children Under 5 Years With Cerebral Palsy: A Population-based Study of Children at GMFCS Levels III-V
J Pediatr Orthop, 41 (8), e659-e663
DOI 10.1097/BPO.0000000000001875, PubMed 34101699

Publications 2020

Terjesen T, Horn J (2020)
Prognostic value of severity of dislocation in late-detected developmental dysplasia of the hip
J Child Orthop, 14 (4), 266-272
DOI 10.1302/1863-2548.14.200079, PubMed 32874358

Terjesen T, Horn J (2020)
Management of late-detected DDH in children under three years of age: 49 children with follow-up to skeletal maturity
Bone Jt Open, 1 (4), 55-63
DOI 10.1302/2633-1462.14.BJO-2019-0005.R1, PubMed 33215108

Terjesen T, Horn J (2020)
Response to comment on Terjesen and Horn: 'Prognostic value of severity of dislocation in late-detected developmental dysplasia of the hip'
J Child Orthop, 14 (6), 591-592
DOI 10.1302/1863-2548.14.200212, PubMed 33343756

Vogt B, Gosheger G, Wirth T, Horn J, Rödl R (2020)
Leg Length Discrepancy- Treatment Indications and Strategies
Dtsch Arztebl Int, 117 (24), 405-411
DOI 10.3238/arztebl.2020.0405, PubMed 32865491

Publications 2018

Horn J, Hvid I, Huhnstock S, Breen AB, Steen H (2018)
Limb lengthening and deformity correction with externally controlled motorized intramedullary nails: evaluation of 50 consecutive lengthenings
Acta Orthop, 90 (1), 81-87
DOI 10.1080/17453674.2018.1534321, PubMed 30371122

Publications 2017

Horn J, Steen H, Huhnstock S, Hvid I, Gunderson RB (2017)
Limb lengthening and deformity correction of congenital and acquired deformities in children using the Taylor Spatial Frame
Acta Orthop, 88 (3), 334-340
DOI 10.1080/17453674.2017.1295706, PubMed 28464755

Publications 2016

Hvid I, Horn J, Huhnstock S, Steen H (2016)
The biology of bone lengthening
J Child Orthop, 10 (6), 487-492
DOI 10.1007/s11832-016-0780-2, PubMed 27838825

Terjesen T, Horn J (2016)
Have Changes in Treatment of Late-detected Developmental Dysplasia of the Hip During the Last Decades Led to Better Radiographic Outcome?
Clin Orthop Relat Res, 474 (5), 1189-98
DOI 10.1007/s11999-015-4491-7, PubMed 26290341

Publications 2015

Rustad C, Bjørndalen H, Myhre AG, Heier CA, Horn J, Knaus A, Hvid I, Merckoll E, Tveiterås M, Westvik J (2015)
[Re: Special outpatient clinic for skeletal dysplasias]
Tidsskr Nor Laegeforen, 135 (8), 736
DOI 10.4045/tidsskr.15.0440, PubMed 25947586

Publications 2014

Horn J, Grimsrud Ø, Dagsgard AH, Huhnstock S, Steen H (2014)
Femoral lengthening with a motorized intramedullary nail
Acta Orthop, 86 (2), 248-56
DOI 10.3109/17453674.2014.960647, PubMed 25191936

Li HY, Horn J, Campbell A, House D, Nelson A, Marsden SP (2014)
A convergent rhodium-catalysed asymmetric synthesis of tetrahydroquinolines
Chem Commun (Camb), 50 (71), 10222-4
DOI 10.1039/c4cc04940c, PubMed 25052422

Terjesen T, Horn J, Gunderson RB (2014)
Fifty-year follow-up of late-detected hip dislocation: clinical and radiographic outcomes for seventy-one patients treated with traction to obtain gradual closed reduction
J Bone Joint Surg Am, 96 (4), e28
DOI 10.2106/JBJS.M.00397, PubMed 24553897

Publications 2013

Gunderson RB, Horn J, Kibsgård T, Kristiansen LP, Pripp AH, Steen H (2013)
Negative correlation between extent of physeal ablation after percutaneous permanent physiodesis and postoperative growth: volume computer tomography and radiostereometric analysis of 37 physes in 27 patients
Acta Orthop, 84 (4), 426-30
DOI 10.3109/17453674.2013.810523, PubMed 23799346

Horn J, Gunderson RB, Wensaas A, Steen H (2013)
Percutaneous epiphysiodesis in the proximal tibia by a single-portal approach: evaluation by radiostereometric analysis
J Child Orthop, 7 (4), 295-300
DOI 10.1007/s11832-013-0502-y, PubMed 24432090

Horn J, Steen H, Terjesen T (2013)
Epidemiology and treatment outcome of congenital pseudarthrosis of the tibia
J Child Orthop, 7 (2), 157-66
DOI 10.1007/s11832-012-0477-0, PubMed 24432075

Publications 2011

Horn J (2011)
Intramedullary nailing of long bone fractures: experimental in-vivo and in-vitro studies
In Series of dissertations submitted to the Faculty of Medicine, University of Oslo, Unipub, Oslo, 1062, 1 b. (flere pag.)
BIBSYS 111326737, ISBN 978-82-8072-621-6

Horn J, Gueorguiev B, Brianza S, Steen H, Schwieger K (2011)
Biomechanical evaluation of two-part surgical neck fractures of the humerus fixed by an angular stable locked intramedullary nail
J Orthop Trauma, 25 (7), 406-13
DOI 10.1097/BOT.0b013e3181ffdf9a, PubMed 21637120

Publications 2010

Gunderson R, Steen H, Horn J, Kristiansen LP, Ludvigsen P, Lamark K (2010)
Comment on Shyam et al.: Leg lengthening by distraction osteogenesis using the Ilizarov apparatus: a novel concept of tibia callus subsidence and its influencing factors
Int Orthop, 34 (5), 773-4; author reply 775-6
DOI 10.1007/s00264-010-0981-0, PubMed 20179924

Gunderson RB, Steen H, Horn J, Kristiansen LP (2010)
Subsidence of callotasis zone in distraction osteogenesis after external fixator removal, measured by RSA
Acta Orthop, 81 (6), 733-6
DOI 10.3109/17453674.2010.533934, PubMed 21067433

Publications 2009

Horn J, Kristiansen LP, Steen H (2009)
Deformity correction during growth after partial physeal arrest
Acta Orthop Belg, 75 (2), 219-24
PubMed 19492561

Publications 2008

Horn J, Kristiansen LP, Steen H (2008)
Partial physeal arrest after temporary transphyseal pinning--a case report
Acta Orthop, 79 (6), 867-9
DOI 10.1080/17453670810016975, PubMed 19085507

Horn J, Steen H, Reikerås O (2008)
Role of the fibula in lower leg fractures: an in vivo investigation in rats
J Orthop Res, 26 (7), 1027-31
DOI 10.1002/jor.20605, PubMed 18302250