Publications 2025

Thorkildsen RD, Kleggetveit IP, Røkkum M (2025)
Anterior interosseous to ulnar nerve transfer for nine proximal injuries in continuity: clinical and neurophysiological assessment
17531934251328564 (in press)
DOI 10.1177/17531934251328564, PubMed 40145431

Publications 2024

Reigstad O, Holm-Glad T, Korslund J, Gjelsten G, Thorkildsen R, Røkkum M (2024)
Conversion of Total Wrist Arthrodesis to a Total Wrist Arthroplasty: Twelve Patients Followed for 7 (2-16) Years
50 (2), 173-181
DOI 10.1016/j.jhsa.2024.10.007, PubMed 39601735

Publications 2023

Reigstad O, Holm-Glad T, Korslund J, Thorkildsen R, Røkkum M (2023)
Bilateral carpal pilon-type fractures due to clenched fist trauma: a case report
8, 9
DOI 10.21037/aoj-22-25, PubMed 38529223

Publications 2022

Holm-Glad T, Røkkum M, Röhrl SM, Roness S, Godang K, Reigstad O (2022)
A randomized controlled trial comparing two modern total wrist arthroplasties : improved function with stable implants, but high complication rates in non-rheumatoid wrists at two years
104-B (10), 1132-1141
DOI 10.1302/0301-620X.104B10.BJJ-2022-0201.R2, PubMed 36177637

Olsen OG, Thorkildsen RD, Zaikova O, Lobmaier IVK, Taksdal I, Røkkum M (2022)
A woman in her fifties with a lump in the palm of her hand
142 (12)
DOI 10.4045/tidsskr.21.0830, PubMed 36066222

Reigstad O, Holm-Glad T, Korslund J, Grimsgaard C, Thorkildsen R, Røkkum M (2022)
15-20 Year Follow-up After Wrist Arthroplasty Surgery - Revisiting the Development and Introduction of a New Prototype Concept for Total Wrist Arthroplasty
27 (6), 945-951
DOI 10.1142/S242483552250093X, PubMed 36606350

Winge MI, Johansson CB, Røkkum M (2022)
Biopsies from the Distal Radius after Implantation of Calcium Phosphate Cement
27 (5), 852-863
DOI 10.1142/S2424835522500837, PubMed 36285754

Winge MI, Røkkum M (2022)
Calcium phosphate bone cement and metaphyseal -corrective osteotomies in the upper extremity: long-term follow-up of 10 children
93, 769-774
DOI 10.2340/17453674.2022.4589, PubMed 36161337

Publications 2021

Reigstad O, Holm-Glad T, Dovland P, Korslund J, Grimsgaard C, Thorkildsen RD, Røkkum M (2021)
Progressing arthrosis and a high conversion rate 11 (4-19) years after four corner fusion
55 (6), 354-360
DOI 10.1080/2000656X.2021.1898970, PubMed 33733991

Sletten IN, Røkkum M, Winge MI (2021)
Outcome After Pollicization for Congenital Thumb Deficiency: A Cohort Study of Cases in a Single Unit, 1987 to 2016
47 (5), 479.e1-479.e9
DOI 10.1016/j.jhsa.2021.05.023, PubMed 34274210

Thorkildsen RD, Reigstad O, Røkkum M (2021)
Early dismantling of the polyethylene liner in the Arpe® trapezial cup: a report of two cases
46 (9), 1008-1009
DOI 10.1177/17531934211012203, PubMed 33926280

Winge MI, Rokkum M (2021)
Satisfying Clinical and Functional Results in 12 Apert Children Treated With Soft Tissue Distractor
J. Pediatr. Orthop., 41 (5), 312-318
DOI 10.1097/BPO.0000000000001785

Publications 2020

Holm-Glad T, Godang K, Bollerslev J, Røkkum M, Reigstad O (2020)
Assessing Periprosthetic Bone in Total Wrist Arthroplasty: The Validity of DXA
24 (3), 433-441
DOI 10.1016/j.jocd.2020.10.006, PubMed 33172804

Reigstad O, Grimsgaard C, Holm-Glad T, Korslund J, Thorkildsen RD, Røkkum M (2020)
Satisfactory function 12 years after triscaphoid arthrodesis for chronic scapholunate ligament injury
54 (4), 233-239
DOI 10.1080/2000656X.2020.1756835, PubMed 32410479

Publications 2019

Reigstad O, Holm-Glad T, Korslund J, Grimsgaard C, Thorkildsen R, Røkkum M (2019)
High re-operation and complication rates 11 years after arthrodesis of the wrist for non-inflammatory arthritis
101-B (7), 852-859
DOI 10.1302/0301-620X.101B7.BJJ-2018-0943.R4, PubMed 31256671

Thorkildsen RD, Johansson CB, Hogmalm J, Johansson PH, Røkkum M (2019)
Early Cup Loosening After Metal-on-Metal Total Joint Replacement of the Trapeziometacarpal Joint: A Retrieval Study
45 (3), 213-222
DOI 10.1016/j.jhsa.2019.06.020, PubMed 31537396

Thorkildsen RD, Røkkum M (2019)
Trapeziectomy with LRTI or joint replacement for CMC1 arthritis, a randomised controlled trial
53 (6), 361-369
DOI 10.1080/2000656X.2019.1635490, PubMed 31271330

Publications 2018

Holm-Glad T, Reigstad O, Tsukanaka M, Røkkum M, Röhrl SM (2018)
High precision and accuracy of model-based RSA for analysis of wrist arthroplasty
36 (11), 3053-3063
DOI 10.1002/jor.24063, PubMed 29873422

Reigstad O, Røkkum M (2018)
Wrist arthroplasty using prosthesis as an alternative to arthrodesis: design, outcomes and future
43 (7), 689-699
DOI 10.1177/1753193418784707, PubMed 29985078

Vaksvik T, Røkkum M, Holm I (2018)
Cold hypersensitivity after hand injuries. A prospective 7-year follow-up
52 (6), 363-366
DOI 10.1080/2000656X.2018.1520124, PubMed 30289015

Publications 2017

Reigstad O, Holm-Glad T, Thorkildsen R, Grimsgaard C, Rokkum M (2017)
Successful conversion of wrist prosthesis to arthrodesis in 11 patients
J. Hand Surg.-Eur. Vol., 42 (1), 84-89
DOI 10.1177/1753193416674929

Rigo IZ, Haugstvedt JR, Rokkum M (2017)
The effect of adding active flexion to modified Kleinert regime on outcomes for zone 1 to 3 flexor tendon repairs. A prospective randomized trial
J. Hand Surg.-Eur. Vol., 42 (9), 920-929
DOI 10.1177/1753193417728406

Thorkildsen R, Reigstad O, Rokkum M (2017)
Chrome nitride coating reduces wear of small, spherical CrCoMo metal-on-metal articulations in a joint simulator
J. Hand Surg.-Eur. Vol., 42 (3), 310-315
DOI 10.1177/1753193416674161

Winge MI, Røkkum M (2017)
CaP cement is equivalent to iliac bone graft in filling of large metaphyseal defects: 2 year prospective randomised study on distal radius osteotomies
49 (3), 636-643
DOI 10.1016/j.injury.2017.11.027, PubMed 29361294

Publications 2016

Rigo IZ, Røkkum M (2016)
Predictors of outcome after primary flexor tendon repair in zone 1, 2 and 3
41 (8), 793-801
DOI 10.1177/1753193416657758, PubMed 27406934

Publications 2015

Reigstad O, Thorkildsen R, Grimsgaard C, Melhuus K, Røkkum M (2015)
Examination and treatment of scaphoid fractures and pseudarthrosis
135 (12-13), 1138-42
DOI 10.4045/tidsskr.14.1256, PubMed 26130547

Reikeras O, Winge MI, Røkkum M (2015)
Effect of soft-tissue attachment on tibial fracture healing in rats
23 (1), 47-51
DOI 10.1177/230949901502300111, PubMed 25920643

Vaksvik T, Ruijs A, Røkkum M, Holm I (2015)
Evaluation of a home treatment program for cold hypersensitivity using a classical conditioning procedure in patients with hand and arm injuries
29 (1), 14-22
DOI 10.1016/j.jht.2015.09.002, PubMed 26498337

Vaksvik T, Røkkum M, Haugstvedt JR, Holm I (2015)
Small-to-moderate decreases in cold hypersensitivity up to 3 years after severe hand injuries: A prospective cohort study
50 (2), 74-9
DOI 10.3109/2000656X.2015.1089877, PubMed 26413980

Publications 2014

Kjelstrup T, Hol PK, Courivaud F, Smith HJ, Røkkum M, Klaastad Ø (2014)
MRI of axillary brachial plexus blocks: a randomised controlled study
31 (11), 611-9
DOI 10.1097/EJA.0000000000000122, PubMed 25051144

Reigstad O, Rokkum M (2014)
WRIST ARTHROPLASTY: WHERE DO WE STAND TODAY? A REVIEW OF HISTORIC AND CONTEMPORARY DESIGNS
J. Hand Surg.-Asian Pac.-Vol., 19 (2), 311-322
DOI 10.1142/S0218810414300034

Reigstad O, Rokkum M (2014)
Conversion of Total Wrist Arthroplasty to Arthrodesis with a Custom-Made Peg
J. WRIST SURG., 3 (3), 211-215
DOI 10.1055/s-0034-1384770

Publications 2013

Reigstad O, Thorkildsen R, Grimsgaard C, Reigstad A, Rokkum M (2013)
Excellent Results After Bone Grafting and K-Wire Fixation for Scaphoid Nonunion Surgery in Skeletally Immature Patients: A Midterm Follow-up Study of 11 Adolescents After 6.9 Years
J. Orthop. Trauma, 27 (5), 285-289
DOI 10.1097/BOT.0b013e31826f8cb9

Rigó IZ, Røkkum M (2013)
Not all non-rheumatoid patients are satisfied with thumb metacarpophalangeal joint arthrodesis
47 (2), 144-6
DOI 10.3109/2000656X.2012.742020, PubMed 23402550

Rigó IZ, Røkkum M (2013)
Comparison of Transverse Intraosseous Loop Technique and Pull Out Suture for Reinsertion of the Flexor Digitorum Profundus tendon. A Retrospective Study
5 (2), 68-73
DOI 10.1007/s12593-013-0100-8, PubMed 24426678

Thorkildsen R, Theodorsson J, Mellgren M, Røkkum M (2013)
Comparison of two uncemented trapezio-metacarpal cups: a finite element study
18 (2), 221-8
DOI 10.1142/S0218810413500275, PubMed 24164127

Publications 2012

Aure A, Hetland KR, Rokkum M (2012)
Chronic posterior sternoclavicular dislocation
26 (4), e33-5
DOI 10.1097/BOT.0b013e318214e867, PubMed 22048186

Reigstad O, Grimsgaard C, Thorkildsen R, Reigstad A, Rokkum M (2012)
Long-term results of scaphoid nonunion surgery: 50 patients reviewed after 8 to 18 years
26 (4), 241-5
DOI 10.1097/BOT.0b013e31821f940a, PubMed 21918482

Reigstad O, Grimsgaard C, Thorkildsen R, Reigstad A, Rokkum M (2012)
SCAPHOID NON-UNIONS, WHERE DO THEY COME FROM? THE EPIDEMIOLOGY AND INITIAL PRESENTATION OF 270 SCAPHOID NON-UNIONS
J. Hand Surg.-Asian Pac.-Vol., 17 (3), 331-335
DOI 10.1142/S0218810412500268

Reigstad O, Lutken T, Grimsgaard C, Bolstad B, Thorkildsen R, Rokkum M (2012)
Promising one- to six-year results with the Motec wrist arthroplasty in patients with post-traumatic osteoarthritis
J. Bone Joint Surg.-Br. Vol., 94B (11), 1540-1545
DOI 10.1302/0301-620X.94B11.30130

Rigó IZ, Haugstvedt JR, Ludvigsen P, Røkkum M (2012)
Comparison of modified Kessler and Yotsumoto-Dona suture: a biomechanical study on porcine tendons
46 (5), 313-7
DOI 10.3109/2000656X.2012.700005, PubMed 22931133

Publications 2011

Reigstad A, Reigstad O, Grimsgaard C, Røkkum M (2011)
New concept for total wrist replacement
45 (3), 148-56
DOI 10.3109/2000656X.2011.579720, PubMed 21682612

Reigstad O, Johansson C, Stenport V, Wennerberg A, Reigstad A, Røkkum M (2011)
Different patterns of bone fixation with hydroxyapatite and resorbable CaP coatings in the rabbit tibia at 6, 12, and 52 weeks
99 (1), 14-20
DOI 10.1002/jbm.b.31866, PubMed 21648067

Reigstad O, Thorkildsen R, Grimsgaard C, Reigstad A, Rokkum M (2011)
Supracondylar Fractures With Circulatory Failure After Reduction, Pinning, and Entrapment of the Brachial Artery: Excellent Results More Than 1 Year After Open Exploration and Revascularization
J. Orthop. Trauma, 25 (1), 26-30
DOI 10.1097/BOT.0b013e3181db276a

Winge MI, Reikerås O, Røkkum M (2011)
Calcium phosphate bone cement: a possible alternative to autologous bone graft. A radiological and biomechanical comparison in rat tibial bone
131 (8), 1035-41
DOI 10.1007/s00402-011-1271-z, PubMed 21305309

Publications 2010

Reigstad O, Thorkildsen R, Grimsgaard C, Reigstad A, Rokkum M (2010)
Healing of ununited scaphoid fractures by Kirschner wires and autologous structural bone grafts
J. Plast. Surg. Hand Surg., 44 (2), 106-111
DOI 10.3109/02844310903528663

Publications 2009

Reigstad O, Thorkildsen R, Grimsgaard C, Reigstad A, Rokkum M (2009)
IS REVISION BONE GRAFTING WORTHWHILE AFTER FAILED SURGERY FOR SCAPHOID NONUNION? MINIMUM 8 YEAR FOLLOW-UP OF 18 PATIENTS
J. Hand Surg.-Eur. Vol., 34E (6), 772-777
DOI 10.1177/1753193409346093

Publications 2008

Reigstad O, Siewers P, Røkkum M, Espehaug B (2008)
Excellent long-term survival of an uncemented press-fit stem and screw cup in young patients: follow-up of 75 hips for 15-18 years
79 (2), 194-202
DOI 10.1080/17453670710014978, PubMed 18484244

Vaksvik T, Hetland K, Røkkum M, Holm I (2008)
Cold hypersensitivity 6 to 10 years after replantation or revascularisation of fingers: consequences for work and leisure activities
34 (1), 12-7
DOI 10.1177/1753193408094440, PubMed 19091739

Publications 2007

Reigstad O, Franke-Stenport V, Johansson CB, Wennerberg A, Røkkum M, Reigstad A (2007)
Improved bone ingrowth and fixation with a thin calcium phosphate coating intended for complete resorption
83 (1), 9-15
DOI 10.1002/jbm.b.30762, PubMed 17318821

Publications 2004

Reigstad A, Lereim P, Røkkum M (2004)
[Choosing correct total hip prosthesis]
124 (18), 2394
PubMed 15467811

Publications 2003

Rokkum M, Reigstad A, Johansson CB (2003)
HA particles can be released from well-fixed HA-coated stems
Acta Orthop. Scand., 74 (3), 366-368

Røkkum M, Reigstad A, Johansson CB, Albrektsson T (2003)
Tissue reactions adjacent to well-fixed hydroxyapatite-coated acetabular cups. Histopathology of ten specimens retrieved at reoperation after 0.3 to 5.8 years
85 (3), 440-7
DOI 10.1302/0301-620x.85b3.12834, PubMed 12729126

Publications 2002

Gross KA, Ray N, Røkkum M (2002)
The contribution of coating microstructure to degradation and particle release in hydroxyapatite coated prostheses
63 (2), 106-14
DOI 10.1002/jbm.10090, PubMed 11870642

Røkkum M, Reigstad A, Johansson CB (2002)
HA particles can be released from well-fixed HA-coated stems: histopathology of biopsies from 20 hips 2-8 years after implantation
73 (3), 298-306
DOI 10.1080/000164702320155293, PubMed 12143977

Publications 2001

Ektessabi A, Shikine S, Kitamura N, Rokkum M, Johansson C (2001)
Distribution and chemical states of iron and chromium released from orthopedic implants into human tissues
X-Ray Spectrom., 30 (1), 44-48
DOI 10.1002/xrs.466

Røkkum M (2001)
On late complications with HA coated hip arthroplasties
Department of Biomaterials/Handicap Research, Institute for Surgical Sciences, Faculty of Medicine, University of Göteborg, Göteborg, 1 b. (flere pag)
BIBSYS 030821355, ISBN 91-628-4979-4

Publications 2000

Gross KA, Ray N, Rokkum M (2000)
Particulate generation in plasma sprayed hydroxyapatite coatings
KEY ENG MAT, 192-1, 183-186

Holm I, Bolstad B, Lütken T, Ervik A, Røkkum M, Steen H (2000)
Reliability of goniometric measurements and visual estimates of hip ROM in patients with osteoarthrosis
5 (4), 241-8
DOI 10.1002/pri.204, PubMed 11129666

Rokkum M, Reigstad A (2000)
Polyethylene wear, osteolysis and acetabular loosening with an HA-coated hip prosthesis - Reply
J. Bone Joint Surg.-Br. Vol., 82B (2), 305-306

Publications 1999

Rokkum M, Brandt M, Bye K, Hetland KR, Waage S, Reigstad A (1999)
Polyethylene wear, osteolysis and acetabular loosening with an HA-coated hip prosthesis - A follow-up of 94 consecutive arthroplasties
J. Bone Joint Surg.-Br. Vol., 81B (4), 582-589
DOI 10.1302/0301-620X.81B4.8715

Rokkum M, Reigstad A (1999)
Total hip replacement with an entirely hydroxyapatite-coated prosthesis - 5 years' follow-up of 94 consecutive hips
J. Arthroplast., 14 (6), 689-700
DOI 10.1016/S0883-5403(99)90224-3

Publications 1998

Ektessabi AM, Rokkum M, Johansson C, Albrektsson T, Sennerby L, Saisho H (1998)
Application of synchrotron radiation in investigation of metal-ion release from a hip replacement prosthesis
J. Synchrot. Radiat., 5, 1136-1138
DOI 10.1107/S0909049597020244

Rokkum M, Reigstad A (1998)
Polyethylene wear with an entirely HA-coated total hip replacement - 79 hips followed for 5 years
Acta Orthop. Scand., 69 (3), 253-258
DOI 10.3109/17453679809000925

Wennerberg A, Rokkum M, Reigstad A, Albrektsson T (1998)
Surface structure of retrieved ICLH femoral cups
Acta Orthop. Scand., 69 (3), 243-247
DOI 10.3109/17453679809000923

Publications 1996

Rokkum M, Bye K, Hetland KR, Reigstad A (1996)
Stem fracture with the Exeter prosthesis
Acta Orthop. Scand., 67 (2), 207

Publications 1995

ROKKUM M, BYE K, HETLAND KR, REIGSTAD A (1995)
STEM FRACTURE WITH THE EXETER PROSTHESIS - 3 OF 27 HIPS FOLLOWED FOR 10 YEARS
Acta Orthop. Scand., 66 (5), 435-439
DOI 10.3109/17453679508995581

Publications 1994

REIGSTAD A, HETLAND KR, BYE K, WAAGE S, ROKKUM M, HUSBY T (1994)
FREE FLAPS IN THE RECONSTRUCTION OF FOOT INJURY - 4 (1-7) YEAR FOLLOW-UP OF 24 CASES
Acta Orthop. Scand., 65 (1), 103-106
DOI 10.3109/17453679408993731

Publications 1993

REIGSTAD A, ROKKUM M, BYE K, BRANDT M (1993)
FEMORAL REMODELING AFTER ARTHROPLASTY OF THE HIP - PROSPECTIVE RANDOMIZED 5-YEAR COMPARISON OF 120 CEMENTED UNCEMENTED CASES OF ARTHROSIS
Acta Orthop. Scand., 64 (4), 411-416
DOI 10.3109/17453679308993656

Publications 1992

REIGSTAD A, HETLAND KR, BYE K, ROKKUM M (1992)
FREE FLAPS IN THE RECONSTRUCTION OF HAND AND DISTAL FOREARM INJURIES
J. Hand Surg.-Br. Eur. Vol., 17B (2), 185-188
DOI 10.1016/0266-7681(92)90085-G

REIGSTAD A, HETLAND KR, BYE K, WAAGE S, ROKKUM M, HUSBY T (1992)
FREE TISSUE TRANSFER FOR TYPE-III TIBIAL FRACTURES - MICROSURGERY IN 19 CASES
Acta Orthop. Scand., 63 (5), 477-481
DOI 10.3109/17453679209154718

REIGSTAD A, HETLAND KR, WAAGE S, BYE K, ROKKUM M (1992)
TRANSFER OF THE 2ND TOE FOR RECONSTRUCTION OF THE HAND AFTER TRAUMA
Scand. J. Plast. Reconstr. Surg. Hand Surg., 26 (1), 105-110
DOI 10.3109/02844319209035192

REIGSTAD A, ROKKUM M (1992)
AN INTRAPELVIC GRANULOMA INDUCED BY ACETABULAR CUP LOOSENING
Acta Orthop. Scand., 63 (4), 465-466
DOI 10.3109/17453679209154770

REIGSTAD A, ROKKUM M (1992)
ROLE OF GRANULOMAS IN PROSTHETIC LOOSENING
Acta Orthop. Scand., 63 (6), 685