Johan Kärrholm

Affiliations

b Department of Orthopaedics , Institute of Surgical Science, Sahlgrenska University Hospital, Gothenburg University , Mölndal , Sweden.

Publications (55)

Uncemented cups with and without screw holes in primary THA: a Swedish Hip Arthroplasty Register study with 22,725 hips.

Acta orthopaedica

Avec: Volker Otten , Sebastian Mukka , Kjell Nilsson , Sead Crnalic , Johan Kärrholm

Similar Risk of Re-Revision in Patients after One- or Two-Stage Surgical Revision of Infected Total Hip Arthroplasty: An Analysis of Revisions in the Swedish Hip Arthroplasty Register 1979⁻2015.

Journal of clinical medicine

Avec: Karin Svensson , Ola Rolfson , Johan Kärrholm , Maziar Mohaddes

Similar clinical results and early subsidence between the Collum Femoris Preserving and the Corail stem: a randomized radiostereometric study of 77 hips with 2 years' follow-up.

Acta orthopaedica

Avec: Liesbeth J Klein , Goran Puretic , Maziar Mohaddes , Johan Kärrholm

Uncemented or cemented revision stems? Analysis of 2,296 first-time hip revision arthroplasties performed due to aseptic loosening, reported to the Swedish Hip Arthroplasty Register.

Acta orthopaedica

Avec: Yosef Tyson , Ola Rolfson , Johan Kärrholm , Nils P Hailer , Maziar Mohaddes

Validation of inertial measurement units with optical tracking system in patients operated with Total hip arthroplasty.

BMC musculoskeletal disorders

Avec: Roland Zügner , Roy Tranberg , John Timperley , Diana Hodgins , Maziar Mohaddes , Johan Kärrholm

Gait pattern in patients treated with a total hip arthroplasty due to an acute displaced cervical neck fracture: a randomised comparison between 29 cases with a cemented femoral stem and 16 cases with an uncemented femoral stem.

Hip international : the journal of clinical and experimental research on hip pathology and therapy

Avec: Roland Zügner , Roy Tranberg , Bita Sharegi , Johan Kärrholm

Computed tomography-based radiostereometric analysis in orthopedic research: practical guidelines.

Acta orthopaedica

Avec: Olof H Sandberg , Johan Kärrholm , Henrik Olivecrona , Stephan M Röhrl , Olof G Sköldenberg , Cyrus Brodén

Increasing risk of revision due to infection after primary total hip arthroplasty: results from the Nordic Arthroplasty Register Association.

Acta orthopaedica

Avec: Håvard Dale , Anne Marie Fenstad , Geir Hallan , Søren Overgaard , Alma B Pedersen , Nils P Hailer , Johan Kärrholm , Ola Rolfson , Antti Eskelinen , Keijo T Mäkelä , Ove Furnes

Reduced Revision Risk for Dual-Mobility Cup in Total Hip Replacement Due to Hip Fracture: A Matched-Pair Analysis of 9,040 Cases from the Nordic Arthroplasty Register Association (NARA).

The Journal of bone and joint surgery. American volume

Avec: Ammar Jobory , Johan Kärrholm , Søren Overgaard , Alma Becic Pedersen , Geir Hallan , Jan-Erik Gjertsen , Keijo Mäkelä , Cecilia Rogmark

Surgical treatment of Vancouver type B periprosthetic femoral fractures: patient characteristics and outcomes of 1381 fractures treated in Sweden between 2001 and 2011.

The bone & joint journal

Avec: Georgios Chatziagorou , Hans Lindahl , Johan Kärrholm

Lower reoperation rate with locking plates compared with conventional plates in Vancouver type C periprosthetic femoral fractures: A register study of 639 cases in Sweden.

Injury

Avec: Georgios Chatziagorou , Hans Lindahl , Johan Kärrholm

An international comparison of THA patients, implants, techniques, and survivorship in Sweden, Australia, and the United States.

Acta orthopaedica

Avec: Elizabeth W Paxton , Guy Cafri , Szilard Nemes , Michelle Lorimer , Johan Kärrholm , Henrik Malchau , Stephen E Graves , Robert S Namba , Ola Rolfson

Body mass index is associated with risk of reoperation and revision after primary total hip arthroplasty: a study of the Swedish Hip Arthroplasty Register including 83,146 patients.

Acta orthopaedica

Avec: Arkan S Sayed-Noor , Sebastian Mukka , Maziar Mohaddes , Johan Kärrholm , Ola Rolfson

Dislocation of hemiarthroplasty after hip fracture is common and the risk is increased with posterior approach: result from a national cohort of 25,678 individuals in the Swedish Hip Arthroplasty Register.

Acta orthopaedica

Avec: Ammar Jobory , Johan Kärrholm , Susanne Hansson , Kristina Åkesson , Cecilia Rogmark

The risk of revision following total hip arthroplasty in patients with inflammatory bowel disease, a registry based study.

PloS one

Avec: Meghan M Moran , Peter Wessman , Ola Rolfson , Daniel D Bohl , Johan Kärrholm , Ali Keshavarzian , D Rick Sumner

No difference in outcome or migration but greater loss of bone mineral density with the Collum Femoris Preserving stem compared with the Corail stem: a randomized controlled trial with five-year follow-up.

The bone & joint journal

Avec: Karin Rilby , Emma Nauclér , Maziar Mohaddes , Johan Kärrholm

Similar results after five years with the use of the Fitmore or the CLS femoral components.

Bone & joint open

Avec: Karin Rilby , Maziar Mohaddes , Johan Kärrholm

Guideline for RSA and CT-RSA implant migration measurements: an update of standardizations and recommendations.

Acta orthopaedica

Avec: Bart L Kaptein , Bart Pijls , Lennard Koster , Johan Kärrholm , Maury Hull , Abby Niesen , Petra Heesterbeek , Stuart Callary , Matthew Teeter , Trevor Gascoyne , Stephan M Röhrl , Gunnar Flivik , Laura Bragonzoni , Elise Laende , Olof Sandberg , L Bogdan Solomon , Rob Nelissen , Maiken Stilling

Concerted actions by MMPs, ADAMTS and serine proteases during remodeling of the cartilage callus into bone during osseointegration of hip implants.

Bone reports

Avec: Jean Cassuto , Agnetha Folestad , Jan Göthlin , Henrik Malchau , Johan Kärrholm

Uncemented or cemented stems in first-time revision total hip replacement? An observational study of 867 patients including assessment of femoral bone defect size.

Acta orthopaedica

Avec: Yosef Tyson , Christer Hillman , Norbert Majenburg , Olof Sköldenberg , Ola Rolfson , Johan Kärrholm , Maziar Mohaddes , Nils P Hailer

Similar early mortality risk after cemented compared with cementless total hip arthroplasty for primary osteoarthritis: data from 188,606 surgeries in the Nordic Arthroplasty Register Association database.

Acta orthopaedica

Avec: Alma B Pedersen , Aurélie Mailhac , Anne Garland , Søren Overgaard , Ove Furnes , Stein Atle Lie , Anne Marie Fenstad , Cecilia Rogmark , Johan Kärrholm , Ola Rolfson , Jaason Haapakoski , Antti Eskelinen , Keijo T Mäkelä , Nils P Hailer

Postoperative Thromboprophylaxis With New Oral Anticoagulants is Superior to LMWH in Hip Arthroplasty Surgery: Findings from the Swedish Registry.

Clinical orthopaedics and related research

Avec: Piotr Kasina , Alexander Wall , Lasse J Lapidus , Ola Rolfson , Johan Kärrholm , Szilard Nemes , Bengt I Eriksson , Maziar Mohaddes

Sequence of 305,996 total hip and knee arthroplasties in patients undergoing operations on more than 1 joint.

Acta orthopaedica

Avec: Peter Espinosa , Rüdiger J Weiss , Otto Robertsson , Johan Kärrholm

The design of the cemented stem influences the risk of Vancouver type B fractures, but not of type C: an analysis of 82,837 Lubinus SPII and Exeter Polished stems.

Acta orthopaedica

Avec: Georgios Chatziagorou , Hans Lindahl , Johan Kärrholm

Influence of implant variations on survival of the Lubinus SP II stem: evaluation of 76,530 hips in the Swedish Arthroplasty Register, 2000-2018.

Acta orthopaedica

Avec: Raed Itayem , Ola Rolfson , Maziar Mohaddes , Johan Kärrholm

Choice of Bearings Influences the Implant Survival of Total Hip Arthroplasty in Patients Who Have Osteoarthritis Aged 55 Years or More: Results of 158,044 Patients from the Nordic Arthroplasty Register Association from 2005 to 2017.

The Journal of arthroplasty

Avec: Oskari Pakarinen , Ville Ponkilainen , Claus Varnum , Alma B Pedersen , Søren Overgaard , Johan Kärrholm , Ola Rolfson , Anne Marie Fenstad , Ove Furnes , Geir Hallan , Keijo Mäkelä , Antti Eskelinen

Fracture pattern and risk factors for reoperation after treatment of 156 periprosthetic fractures around an anatomic cemented hip stem.

Acta orthopaedica

Avec: Ali Sattar , Johan Kärrholm , Michael Möller , Georgios Chatziagorou

No difference in clinical outcome but in RSA in total knee arthroplasty with the ATTUNE vs. the PFC Sigma: a randomized trial with 2-year follow-up.

Acta orthopaedica

Avec: Thom Keiller , Tuuli Saari , Bita Sharegi , Johan Kärrholm

Pelvic tilt between supine and standing after total hip arthroplasty an RSA up to seven years after the operation.

Journal of orthopaedic research : official publication of the Orthopaedic Research Society

Avec: Bita Shareghi , Maziar Mohaddes , Johan Kärrholm

Incidence and demographics of 1751 surgically treated periprosthetic femoral fractures around a primary hip prosthesis.

Hip international : the journal of clinical and experimental research on hip pathology and therapy

Avec: Georgios Chatziagorou , Hans Lindahl , Göran Garellick , Johan Kärrholm

Increased early mortality and morbidity after total hip arthroplasty in patients with socioeconomic disadvantage: a report from the Swedish Hip Arthroplasty Register.

Acta orthopaedica

Avec: Rüdiger J Weiss , Johan Kärrholm , Ola Rolfson , Nils P Hailer

Dual Mobility Cups: Effect on Risk of Revision of Primary Total Hip Arthroplasty Due to Osteoarthritis: A Matched Population-Based Study Using the Nordic Arthroplasty Register Association Database.

The Journal of bone and joint surgery. American volume

Avec: Rasmus Kreipke , Cecilia Rogmark , Alma B Pedersen , Johan Kärrholm , Geir Hallan , Leif Ivar Havelin , Keijo Mäkelä , Søren Overgaard

Similar outcome with a new anteverted or a straight standard stem: a randomized study of 72 total hip arthroplasties evaluated with clinical variables, radiostereometry, and DXA up to 2 years.

Acta orthopaedica

Avec: Karin Rilby , Maziar Mohaddes , Emma Nauclér , Johan Kärrholm

Total hip arthroplasties in the Dutch Arthroplasty Register (LROI) and the Nordic Arthroplasty Register Association (NARA): comparison of patient and procedure characteristics in 475,685 cases.

Acta orthopaedica

Avec: Liza N Van Steenbergen , Keijo T Mäkelä , Johan Kärrholm , Ola Rolfson , Søren Overgaard , Ove Furnes , Alma B Pedersen , Antti Eskelinen , Geir Hallan , Berend W Schreurs , Rob G H H Nelissen

Exchange of Modular Components Improves Success of Debridement, Antibiotics, and Implant Retention: An Observational Study of 575 Patients with Infection After Primary Total Hip Arthroplasty.

JB & JS open access

Avec: Karin Svensson , Ola Rolfson , Emma Nauclér , Stergios Lazarinis , Olof Sköldenberg , Jörg Schilcher , Per-Erik Johanson , Maziar Mohaddes , Johan Kärrholm

Global diversity in bearings in primary THA.

EFORT open reviews

Avec: Georgios Tsikandylakis , Soren Overgaard , Luigi Zagra , Johan Kärrholm

Similar risk of cancer in patients younger than 55 years with or without a total hip arthroplasty (THA): a population- based cohort study on 18,771 exposed to THA and 87,683 controls.

Acta orthopaedica

Avec: Yasmin D Hailer , Johan Kärrholm , Niclas Eriksson , Lars Holmberg , Nils P Hailer

What is the Role of Stem Size and Offset in the Risk of Nonseptic Revision of the Exeter® 150-mm Stem? A Study From the Swedish Arthroplasty Register.

Clinical orthopaedics and related research

Avec: Raed Itayem , Ola Rolfson , Maziar Mohaddes , Johan Kärrholm

Corrigendum: Similar outcome with a new anteverted or a straight standard stem: a randomized study of 72 total hip arthroplasties evaluated with clinical variables, radio-stereometry, and DXA up to 2 years.

Acta orthopaedica

Avec: Karin Rilby , Maziar Mohaddes , Emma Nauclér , Johan Kärrholm

How do EQ-5D-3L and EQ-5D-5L compare in a Swedish total hip replacement population?

Acta orthopaedica

Avec: Ted Eneqvist , Szilárd Nemes , Johan Kärrholm , Kristina Burström , Ola Rolfson

Risk for hip fracture before and after total knee replacement in Sweden.

Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA

Avec: C H Vala , J Kärrholm , J A Kanis , H Johansson , S Sten , V Sundh , M Karlsson , M Lorentzon , D Mellström

Validity and Responsiveness of Forearm Strength Measurements in the Evaluation of Distal Radioulnar Joint Implant Arthroplasty.

The Journal of hand surgery

Avec: Peter Axelsson , Christer Sollerman , Johan Kärrholm

Wear measurements with use of radiostereometric analysis in total hip arthroplasty with obscured femoral head.

Journal of orthopaedic research : official publication of the Orthopaedic Research Society

Avec: Per-Erik Johanson , Bita Shareghi , Michael Eriksson , Johan Kärrholm

No generally increased risk of cancer after total hip arthroplasty performed due to osteoarthritis.

International journal of cancer

Avec: Nils P Hailer , Anne Garland , Max Gordon , Johan Kärrholm , Olof Sköldenberg , Niclas Eriksson , Hans Garmo , Lars Holmberg

More hip complications after total hip arthroplasty than after hemi-arthroplasty as hip fracture treatment: analysis of 5,815 matched pairs in the Swedish Hip Arthroplasty Register.

Acta orthopaedica

Avec: Susanne Hansson , Erik Bülow , Anne Garland , Johan Kärrholm , Cecilia Rogmark

The benefits of collaboration: the Nordic Arthroplasty Register Association.

EFORT open reviews

Avec: Keijo T Mäkelä , Ove Furnes , Geir Hallan , Anne Marie Fenstad , Ola Rolfson , Johan Kärrholm , Cecilia Rogmark , Alma Becic Pedersen , Otto Robertsson , Annette W-Dahl , Antti Eskelinen , Henrik M Schrøder , Ville Äärimaa , Jeppe V Rasmussen , Björn Salomonsson , Randi Hole , Søren Overgaard

Evaluation of Forgotten Joint Score in total hip arthroplasty with Oxford Hip Score as reference standard.

Acta orthopaedica

Avec: Amanda Larsson , Ola Rolfson , Johan Kärrholm

Implant survival and patient-reported outcome following total hip arthroplasty in patients 30 years or younger: a matched cohort study of 1,008 patients in the Swedish Hip Arthroplasty Register.

Acta orthopaedica

Avec: Maziar Mohaddes , Emma NaucléR , Johan Kärrholm , Henrik Malchau , Daniel Odin , Ola Rolfson

Outcome of 881 total hip arthroplasties in 747 patients 21 years or younger: data from the Nordic Arthroplasty Register Association (NARA) 1995-2016.

Acta orthopaedica

Avec: Vera Halvorsen , Anne Marie Fenstad , Lars B Engesæter , Lars Nordsletten , Søren Overgaard , Alma B Pedersen , Johan Kärrholm , Maziar Mohaddes , Antti Eskelinen , Keijo T Mäkelä , Stephan M Röhrl

No difference in gait pattern between a short collum femoris-preserving and a conventional stem: 44 randomised total hip arthroplasty patients stem evaluated after 2 years.

Hip international : the journal of clinical and experimental research on hip pathology and therapy

Avec: Roland Zügner , Roy Tranberg , Johan Kärrholm , Goran Puretic , Maziar Mohaddes

Outcome of patients with osteoarthritis aged 90 to 101 years after cemented total hip arthroplasty: 1,385 patients from the Swedish Arthroplasty Register.

Acta orthopaedica

Avec: Mattias Schaufelberger , Ola Rolfson , Johan Kärrholm

The importance of BMPs and TGF-βs for endochondral bone repair - A longitudinal study in hip arthroplasty patients.

Bone reports

Avec: Jean Cassuto , Agnetha Folestad , Jan Göthlin , Henrik Malchau , Johan Kärrholm

Does choice of bearings influence the survival of cementless total hip arthroplasty in patients aged 20-55 years? Comparison of 21,594 patients reported to the Nordic Arthroplasty Register Association dataset 2005-2017.

Acta orthopaedica

Avec: Rasmus Tyrsted Mikkelsen , Søren Overgaard , Alma B Pedersen , Johan Kärrholm , Ola Rolfson , Anne Marie Fenstad , Ove Furnes , Geir Hallan , Keijo Mäkelä , Antti Eskelinen , Claus Varnum

A prospective randomized study of Refobacin Bone Cement R versus Palacos R + G.

The bone & joint journal

Avec: Vasileios Angelomenos , Maziar Mohaddes , Johan Kärrholm , Henrik Malchau , Bita Shareghi , Raed Itayem

Prediction of Early Adverse Events After THA: A Comparison of Different Machine-Learning Strategies Based on 262,356 Observations From the Nordic Arthroplasty Register Association (NARA) Dataset.

ACR open rheumatology

Avec: Mikko S Venäläinen , Valtteri J Panula , Antti P Eskelinen , Anne Marie Fenstad , Ove Furnes , Geir Hallan , Ola Rolfson , Johan Kärrholm , Nils P Hailer , Alma B Pedersen , Søren Overgaard , Keijo T Mäkelä , Laura L Elo

Réseau de co-auteurs

Ola Rolfson 22 collaborations

Maziar Mohaddes 19 collaborations

Søren Overgaard 10 collaborations

Nils P Hailer 8 collaborations

Geir Hallan 8 collaborations

Alma B Pedersen 8 collaborations

Anne Marie Fenstad 7 collaborations

Antti Eskelinen 7 collaborations

Ove Furnes 7 collaborations

Keijo T Mäkelä 6 collaborations

Cecilia Rogmark 6 collaborations

Georgios Chatziagorou 5 collaborations

Henrik Malchau 5 collaborations

Keijo Mäkelä 4 collaborations

Hans Lindahl 4 collaborations

Karin Rilby 4 collaborations

Emma Nauclér 4 collaborations

Roland Zügner 3 collaborations

Roy Tranberg 3 collaborations

Stephan M Röhrl 3 collaborations

Olof Sköldenberg 3 collaborations

Anne Garland 3 collaborations

Raed Itayem 3 collaborations

Bita Shareghi 3 collaborations

Sebastian Mukka 2 collaborations

Karin Svensson 2 collaborations

Goran Puretic 2 collaborations

Yosef Tyson 2 collaborations

Bita Sharegi 2 collaborations

Ammar Jobory 2 collaborations

Alma Becic Pedersen 2 collaborations

Szilard Nemes 2 collaborations

Susanne Hansson 2 collaborations

Jean Cassuto 2 collaborations

Agnetha Folestad 2 collaborations

Jan Göthlin 2 collaborations

Rüdiger J Weiss 2 collaborations

Otto Robertsson 2 collaborations

Claus Varnum 2 collaborations

Per-Erik Johanson 2 collaborations

Niclas Eriksson 2 collaborations

Lars Holmberg 2 collaborations

Volker Otten 1 collaboration

Kjell Nilsson 1 collaboration

Sead Crnalic 1 collaboration

Liesbeth J Klein 1 collaboration

John Timperley 1 collaboration

Diana Hodgins 1 collaboration

Olof H Sandberg 1 collaboration

Henrik Olivecrona 1 collaboration

Olof G Sköldenberg 1 collaboration

Cyrus Brodén 1 collaboration

Håvard Dale 1 collaboration

Jan-Erik Gjertsen 1 collaboration

Elizabeth W Paxton 1 collaboration

Guy Cafri 1 collaboration

Michelle Lorimer 1 collaboration

Stephen E Graves 1 collaboration

Robert S Namba 1 collaboration

Arkan S Sayed-Noor 1 collaboration

Kristina Åkesson 1 collaboration

Meghan M Moran 1 collaboration

Peter Wessman 1 collaboration

Daniel D Bohl 1 collaboration

Ali Keshavarzian 1 collaboration

D Rick Sumner 1 collaboration

Bart L Kaptein 1 collaboration

Bart Pijls 1 collaboration

Lennard Koster 1 collaboration

Maury Hull 1 collaboration

Abby Niesen 1 collaboration

Petra Heesterbeek 1 collaboration

Stuart Callary 1 collaboration

Matthew Teeter 1 collaboration

Trevor Gascoyne 1 collaboration

Gunnar Flivik 1 collaboration

Laura Bragonzoni 1 collaboration

Elise Laende 1 collaboration

Olof Sandberg 1 collaboration

L Bogdan Solomon 1 collaboration

Rob Nelissen 1 collaboration

Maiken Stilling 1 collaboration

Christer Hillman 1 collaboration

Norbert Majenburg 1 collaboration

Aurélie Mailhac 1 collaboration

Stein Atle Lie 1 collaboration

Jaason Haapakoski 1 collaboration

Piotr Kasina 1 collaboration

Alexander Wall 1 collaboration

Lasse J Lapidus 1 collaboration

Bengt I Eriksson 1 collaboration

Peter Espinosa 1 collaboration

Oskari Pakarinen 1 collaboration

Ville Ponkilainen 1 collaboration

Ali Sattar 1 collaboration

Michael Möller 1 collaboration

Thom Keiller 1 collaboration

Tuuli Saari 1 collaboration

Göran Garellick 1 collaboration

Rasmus Kreipke 1 collaboration

Leif Ivar Havelin 1 collaboration

Liza N Van Steenbergen 1 collaboration

Berend W Schreurs 1 collaboration

Rob G H H Nelissen 1 collaboration

Stergios Lazarinis 1 collaboration

Jörg Schilcher 1 collaboration

Georgios Tsikandylakis 1 collaboration

Soren Overgaard 1 collaboration

Luigi Zagra 1 collaboration

Yasmin D Hailer 1 collaboration

Ted Eneqvist 1 collaboration

Szilárd Nemes 1 collaboration

Kristina Burström 1 collaboration

C H Vala 1 collaboration

J Kärrholm 1 collaboration

J A Kanis 1 collaboration

H Johansson 1 collaboration

S Sten 1 collaboration

V Sundh 1 collaboration

M Karlsson 1 collaboration

M Lorentzon 1 collaboration

D Mellström 1 collaboration

Peter Axelsson 1 collaboration

Christer Sollerman 1 collaboration

Michael Eriksson 1 collaboration

Max Gordon 1 collaboration

Hans Garmo 1 collaboration

Erik Bülow 1 collaboration

Annette W-Dahl 1 collaboration

Henrik M Schrøder 1 collaboration

Ville Äärimaa 1 collaboration

Jeppe V Rasmussen 1 collaboration

Björn Salomonsson 1 collaboration

Randi Hole 1 collaboration

Amanda Larsson 1 collaboration

Emma NaucléR 1 collaboration

Daniel Odin 1 collaboration

Vera Halvorsen 1 collaboration

Lars B Engesæter 1 collaboration

Lars Nordsletten 1 collaboration

Mattias Schaufelberger 1 collaboration

Rasmus Tyrsted Mikkelsen 1 collaboration

Vasileios Angelomenos 1 collaboration

Mikko S Venäläinen 1 collaboration

Valtteri J Panula 1 collaboration

Antti P Eskelinen 1 collaboration

Laura L Elo 1 collaboration