Articles

Sagittal instability with inversion is important to evaluate after syndesmosis injury and repair: a cadaveric robotic study

Disruption of the syndesmosis, the anterior-inferior tibiofibular ligament (AITFL), the posterior-inferior tibiofibular ligament (PITFL), and the interosseous membrane (IOM), leads to residual symptoms after a...

Authors: Neel K. Patel, Conor I. Murphy, Thomas R. Pfeiffer, Jan-Hendrik Naendrup, Jason P. Zlotnicki, Richard E. Debski, MaCalus V. Hogan and Volker Musahl

The improved cortical button shows better breaking strength of sutures compared with 10 original cortical button after cyclic loading

Suspensory cortical buttons are widely used for fixation of reconstructed ligaments during anterior cruciate ligament (ACL) reconstruction because they have high usability and a favorable fixing force. However...

Authors: Toshiaki Takahashi and Manabu Takahashi

Achilles tendon reconstruction with peroneus tendon transfer following epithelioid sarcoma resection: a rare case report at 5 years follow-up

Soft-tissue sarcomas (STS) are rare in hand and foot. In this paper we present a case of reconstruction of Achilles tendon defect with peroneus brevis transfer reinforced with medial gastrocnemius fascia and p...

Authors: Federica Mariotti, Silvio Caravelli, Massimiliano Mosca, Simone Massimi, Roberto Casadei and Stefano Zaffagnini

Best implant choice for coracoid graft fixation during the Latarjet procedure depends on patients’ morphometric considerations

To assess the anthropometric dimensions of the coracoid process and the glenoid articular surface and to determine possible implications with the different commercially available Latarjet fixation techniques.

Authors: Achilleas Boutsiadis, Ioannis Bampis, John Swan and Johannes Barth

Open-wedge high tibial osteotomy for spontaneous osteonecrosis of the medial tibial plateau shows excellent clinical outcomes

PurposeThere have been few reports on medial tibial plateau osteonecrosis, and treatment options remain controversial. This study aimed to evaluate the clinical outcomes of open-wedge high tibial osteotomy (OW...

Authors: Kenichi Goshima, Takeshi Sawaguchi, Kenji Shigemoto, Shintaro Iwai, Kenji Fujita and Yuki Yamamuro

All inside full thickness quadriceps tendon ACL reconstruction: Long term follow up results

The aim of this study is to evaluate results of anterior cruciate ligament reconstruction (ACL) using an All-Inside Full Thickness Quadriceps Reconstruction technique at 5 years follow up.

Authors: Hernan Galan, Mateo Escalante, Franco Della Vedova and Daniel Slullitel

No differences in knee kinematics between active and passive flexion-extension movement: an intra-operative kinematic analysis performed during total knee arthroplasty

The objective of the present study was to acquire and compare by the use of a navigation system the intra-operative flexion-extension movement of the knee performed actively by the patient and passively by the...

Authors: Alberto Grassi, Nicola Pizza, Nicola Francesco Lopomo, Maurilio Marcacci, Michele Capozzi, Giulio Maria Marcheggiani Muccioli, Francesca Colle and Stefano Zaffagnini

Anteromedial positioning of the femoral tunnel in anterior cruciate ligament reconstruction is the best option to avoid revision: a single surgeon registry

The aim of the study is to compare the risk of revision of single-bundle hamstring anterior cruciate ligament (ACL) reconstruction between the anteromedial, transtibial and outside-in techniques.

Authors: Ricardo de Paulo Leite Cury, Artur Mistieri Simabukuro, Victor de Marques Oliveira, Diego Escudeiro, Pedro Baches Jorge, Fabrício Roberto Severino and Luiz Gabriel Betoni Guglielmetti

Enhancement of chondrogenic differentiation supplemented by a novel small compound for chondrocyte-based tissue engineering

Chondrocyte -based tissue engineering has been a promising option for the treatment of cartilage lesions. In previous literature, TD198946 has been shown to promote chondrogenic differentiation which could pro...

Authors: Shuichi Hamamoto, Ryota Chijimatsu, Kazunori Shimomura, Masato Kobayashi, George Jacob, Fumiko Yano, Taku Saito, Ung-il Chung, Sakae Tanaka and Norimasa Nakamura

Femoral derotational osteotomy level does not effect resulting torsion

The purpose of this study was to assess the effect on femoral torsion by rotational osteotomies at three different levels as measured in 3D using both the mechanical and the anatomic axes.

Authors: Eric W. Edmonds, Corey B. Fuller, Megan E. Jeffords, Christine L. Farnsworth, Amelia M. Lindgren, Andrew T. Pennock and Vidyadhar V. Upasani

The portal of Neviaser: a valid option for antegrade nailing of humerus fractures

The objective of this retrospective non-randomized study was to evaluate the portal of Neviaser (PN) as an alternative approach in antegrade humeral nailing.

Authors: Torsten Gerich, Caroline Mouton, Lea Jabbarian, Jean-Paul Weydert, Alexander Hoffmann, Dietrich Pape and Romain Seil

Accuracy of 3D-planned patient specific instrumentation in high tibial open wedge valgisation osteotomy

High tibial osteotomy (HTO) is an effective treatment option in early osteoarthritis. However, preoperative planning and surgical execution can be challenging. Computer assisted three-dimensional (3D) planning...

Authors: Sandro F. Fucentese, Patrick Meier, Lukas Jud, Gian-Luca Köchli, Alexander Aichmair, Lazaros Vlachopoulos and Philipp Fürnstahl

Technical note: sensitivity analysis of the SCoRE and SARA methods for determining rotational axes during tibiofemoral movements using optical motion capture

The first aim was to report the sensitivity of calculated tibiofemoral movements for the choice of placement of the set of femoral markers. The second aim was to report the influence of accuracy of the motion ...

Authors: Michèle N. J. Keizer and Egbert Otten

A simple rehabilitation regime improves functional outcome in patients with patellafemoral pain after 12 month

The purpose of the present study was to investigate the effects of a 3-month multimodal intervention including patient education, a simple hip exercise program, footwear adjustment, and foot orthoses to reduce...

Authors: Torsten Grønbech Nielsen, Lene Lindberg Miller, Bjarne Mygind-Klavsen and Martin Lind

There is poor accuracy in documenting the location of labral and chondral lesions observed during hip arthroscopy

To determine and compare the accuracy and interobserver reliability of the different methods for localizing acetabular labral, acetabular chondral, and femoral head chondral lesions with hip arthroscopy .

Authors: Sanaz Hariri, Kyle R. Sochacki, Alex S. Harris and Marc R. Safran

Characteristic features of the insertions of the distal tibiofibular ligaments on three-dimensional computed tomography- cadaveric study -

The purpose of this study was to clarify the insertion sites of the anterior inferior tibiofibular ligament (AITFL) and posterior inferior tibiofibular ligament (PITFL) and related osseous landmarks on three-d...

Authors: Sho Kikuchi, Goro Tajima, Atsushi Sugawara, Jun Yan, Moritaka Maruyama, Shinya Oikawa, Takaaki Saigo, Ryunosuke Oikawa and Minoru Doita

Non-locked and locked small fragment straight plates have a similar behavior in buttressing the posteromedial shear tibial plateau fragment: a biomechanical analysis of three different fixations

The aim of this study is to compare the biomechanical behavior of three different fixation constructions currently used for buttressing the posteromedial shearing tibial plateau fragment. Our hypothesis is tha...

Authors: Vincenzo Giordano, Mauricio Kfuri, William Belangero, Allison Venturini, Ana Carolina Silva, Eduardo Merjan Soares, Robinson Esteves Pires and Hilton A. Koch

High validity of measuring the width and volume of medial meniscal extrusion three-dimensionally using an MRI-derived tibial model

Medial meniscal extrusion (MME) is an important marker of knee osteoarthritis (KOA) progression. The purposes of this study were: 1) to determine whether there are morphological differences between CT- and MRI...

Authors: Goro Watanabe, Kenji Hoshi, Yasuo Kurose and Kazuyoshi Gamada

Diagnosis and treatment of rotatory knee instability

Rotatory knee instability is an abnormal, complex three-dimensional motion that can involve pathology of the anteromedial, anterolateral, posteromedial, and posterolateral ligaments, bony alignment, and menisc...

Authors: Jonathan D. Hughes, Thomas Rauer, Christopher M. Gibbs and Volker Musahl

Translational applications of photopolymerizable hydrogels for cartilage repair

Articular cartilage lesions generated by trauma or osteoarthritis are the most common causes of pain and disability in patients.

Authors: Weikun Meng, Liang Gao, Jagadeesh K. Venkatesan, Guanglin Wang, Henning Madry and Magali Cucchiarini

Periosteal incarceration versus interposition adipose tissue grafting in physeal fractures: pilot study in immature rabbits

The purpose of this study is to evaluate bar formation following physeal fracture with incarcerated periosteum or adipose tissue graft using radiographic and histological methods in an immature rabbit model.

Authors: Eric W. Edmonds, Joshua D. Doan and Christine L. Farnsworth

A novel method for internal fixation of basal fifth metatarsal fracture in athletes: a cadaveric study of the F.E.R.I. technique (Fifth metatarsal, Extra-portal, Rigid, Innovative)

One of the main problems of Kirschner wire fixation of fifth metatarsal base fractures (in combination with a tension band wiring technique) seems to be hardware intolerance and several studies in athletes als...

Authors: Pieter D’Hooghe, Silvio Caravelli, Simone Massimi, James Calder, Peter Dzendrowskyj and Stefano Zaffagnini

Augmented reality-based navigation system applied to tibial bone resection in total knee arthroplasty

This pilot study was performed to examine the accuracy of the AR-KNEE system, an imageless navigation system using augmented reality (AR) technology for total knee arthroplasty. The AR-KNEE system enables the ...

Authors: Sachiyuki Tsukada, Hiroyuki Ogawa, Masahiro Nishino, Kenji Kurosaka and Naoyuki Hirasawa

Mechanical strength of a new plate compared to six previously tested opening wedge high tibial osteotomy implants

This study aimed to assess the mechanical static and fatigue strength provided by the FlexitSystem plate in medial opening wedge high tibial osteotomies (MOWHTO), and to compare it to six previously tested imp...

Authors: Arnaud Diffo Kaze, Stefan Maas, James Belsey, Alexander Hoffmann, Romain Seil, Ronald van Heerwaarden and Dietrich Pape

Biomechanical correlation at the knee joint between static lunge and single-leg drop landing - a comparative study among three different toe directions

Toe direction is a critical factor affecting knee biomechanics during various movements including closed kinetic chain (CKC) exercise and landing tasks. Physiotherapists always concentrate on the control of to...

Authors: Kengo Harato, Aiko Sakurai, Yutaro Morishige, Shu Kobayashi, Yasuo Niki and Takeo Nagura

Effects of denosumab on bone mineral density and bone turnover markers in rheumatoid arthritis patients switching from bisphosphonates

To compare the efficacy of 12-month denosumab treatment on bone mineral density (BMD) and bone turnover markers (BTMs) between treatment-naïve osteoporosis patients with rheumatoid arthritis (RA) and those wit...

Authors: Tetsuya Kaneko, Koichi Okamura, Yukio Yonemoto, Chisa Okura, Takahito Suto, Masahiro Tachibana, Hideo Sakane, Makoto Inoue and Hirotaka Chikuda

The influence of tantalum on human cell lineages important for healing in soft-tissue reattachment surgery: an in-vitro analysis

Porous tantalum is currently used in orthopaedic surgery for a variety of indications including soft tissue re-attachment. However, the clinical results have been variable and a previous laboratory study has s...

Authors: Edward C. A. Gee, Renato Eleotério, Laura M. Bowker, Adnan Saithna and John A. Hunt

An in vitro model to explore subchondral perfusion and intraosseous pressure

Little is known about subchondral perfusion physiology. We developed a 3Rs (Replace, Reduce, Refine) compliant in vitro calf foot model to explore perfusion and intraosseous pressure (IOP).

Authors: Michael Beverly and David Murray

The rebar repair for radial meniscus tears: a biomechanical comparison of a reinforced suture repair versus parallel and cross-stitch techniques

Radial meniscus tears can cause the meniscus to be completely incompetent. This serious type of meniscus tear can be difficult to repair. Techniques have been developed that juxtapose the meniscus tear edges a...

Authors: Patrick Massey, Kaylan McClary, David Parker, R. Shane Barton and Giovanni Solitro

Cluster analysis successfully identifies clinically meaningful knee valgus moment patterns: frequency of early peaks reflects sex-specific ACL injury incidence

Biomechanical studies of ACL injury risk factors frequently analyze only a fraction of the relevant data, and typically not in accordance with the injury mechanism. Extracting a peak value within a time series...

Authors: Haraldur B. Sigurðsson and Kristín Briem

Tapentadol vs oxycodone/naloxone in the management of pain after total hip arthroplasty in the fast track setting: an observational study

In recent years, joint replacement surgery has gradually progressed towards the fast-track model, and early rehabilitation immediately after surgery is regarded fundamental for optimal recovery of function: th...

Authors: Tiziana D’Amato, Federica Martorelli, Giorgia Fenocchio, Vincenzo Simili, Elizaveta Kon, Berardo Di Matteo and Marco Scardino

Characteristics of ultrasound device: a new technology for bone curettage and excavation

Ultrasonic (US) devices are used in laparoscopic, dental, and spinal surgeries, while it is difficult to use for the joint under irrigation and perfusion solutions due to lack of power. A new US device is deve...

Authors: Tatsuo Mae, Ken Nakata, Tsukasa Kumai, Yasuyuki Ishibashi, Tomoyuki Suzuki, Takamitsu Sakamoto, Tomoki Ohori, Takehito Hirose and Hideki Yoshikawa

Life is a journey

Authors: Henning Madry

Correction to: The role of intra-articular administration of Fetuin-A in post-traumatic knee osteoarthritis: an experimental study in a rat model

Following publication of the original article [1], the authors opted to correct the middle initial of co-author Despina N. Perrea from S to N. The original article has been corrected.

Authors: Eleni Pappa, Savvas Papadopoulos, Laskarina-Maria Korou, Despina N. Perrea, Spiridon Pneumaticos and Vasileios S. Nikolaou

Parametric finite element model of medial patellofemoral ligament reconstruction model development and clinical validation

Currently, there is uncertainty regarding the long-term outcome of medial patellofemoral ligament reconstructions (MPFLr). Our objectives were: (1) to develop a parametric model of the patellofemoral joint (PF...

Authors: Vicente Sanchis-Alfonso, Diego Alastruey-López, Gerad Ginovart, Erik Montesinos-Berry, Fabio García-Castro, Cristina Ramírez-Fuentes, Joan Carles Monllau, Angel Alberich-Bayarri and María Angeles Pérez

Strain behavior of native and reconstructed medial patellofemoral ligaments during dynamic knee flexion - a cadaveric study

Surgical reconstruction of the Medial Patello-Femoral Ligament (MPFL) has been recognized as an effective treatment for patients with instability despite conservative treatment. The purpose of this cadaveric s...

Authors: Mohamed Buhary Kizher Shajahan, Chaw Tat Alex Choh, Khye Soon Andy Yew, Hiok Yang Chan, Tet Sen Howe, Tjiauw Tjoen Denny Lie, Suang Bee Joyce Koh and Chee Cheng Paul Chang

Reliability of ultrasonography measurement of the anterior talofibular ligament (ATFL) length in healthy subjects (in vivo), based on examiner experience and patient positioning

The most common cause of ankle injury is the supination trauma, inflicting a partial or complete rupture of the anterior talofibular ligament (ATFL). Among conventional diagnostic tools and procedures of sport...

Authors: Karl-Heinz Kristen, Jesse Seilern und Aspang, Johannes Wiedemann, Florian Hartenbach and Hannes Platzgummer

Quadriceps muscle activity during commonly used strength training exercises shortly after total knee arthroplasty: implications for home-based exercise-selection

In the early phase after a total knee arthroplasty (TKA), patients experience multi-level weakness in the operated leg, which is caused primarily by reduced central nervous system (CNS) activation failure of t...

Authors: Thomas Linding Jakobsen, Markus Due Jakobsen, Lars Louis Andersen, Henrik Husted, Henrik Kehlet and Thomas Bandholm

A shortened uncemented stem offers comparable positioning and increased metaphyseal fill compared to a standard uncemented stem

Shortened stems are increasingly used in uncemented total hip arthroplasty (THA) as they represent a compromise between the metaphyseal anchorage of short stems and the facilitated axial alignment of standard ...

Authors: Alexandre Jacquel, Augustin Le Viguelloux, Jeremy Valluy, Mo Saffarini and Nicolas Bonin

The biomechanical role of meniscal allograft transplantation and preliminary in-vivo kinematic evaluation

Meniscus allograft transplantation (MAT) is a surgical procedure performed in patients complaining post-meniscectomy syndrome. Although the effectiveness of MAT on knee stability has been already demonstrated ...

Authors: Stefano Zaffagnini, Stefano Di Paolo, Federico Stefanelli, Giacomo Dal Fabbro, Luca Macchiarola, Gian Andrea Lucidi and Alberto Grassi

Anteversion and length of the femoral tunnel in ACL reconstruction: in-vivo comparison between rigid and flexible instrumentation

Due to it being tangential to the distal femoral axis, the anteromedial portal presents significant risk of causing iatrogenic damage, and of producing tunnels that are too short for optimal osseointegration. ...

Authors: Frank Wein, Benoit Osemont, Thomas Goetzmann, Adrien Jacquot, Jeremy Valluy, Mo Saffarini and Daniel Molé

The role of intra-articular administration of Fetuin-A in post-traumatic knee osteoarthritis: an experimental study in a rat model

The purpose of this study is to investigate the possible attenuating role of the intra-articular administration of Fetuin-A in post-traumatic secondary osteoarthritis in rats, and also its effect on the system...

Authors: Eleni Pappa, Savvas Papadopoulos, Laskarina-Maria Korou, Despina N. Perrea, Spiridon Pneumaticos and Vasileios S. Nikolaou

Optimization of leukocyte-poor platelet-rich plasma preparation: a validation study of leukocyte-poor platelet-rich plasma obtained using different preparer, storage, and activation methods

Alternative methods of platelet-rich plasma (PRP) preparation, storage, and activation that can be stably reproduced are needed to improve PRP production. The purpose of this study was to investigate the effec...

Authors: Naoya Kikuchi, Tomokazu Yoshioka, Yu Taniguchi, Hisashi Sugaya, Norihito Arai, Akihiro Kanamori and Masashi Yamazaki

The biomechanical effect of tibiofemoral conformity design for patient-specific cruciate retainging total knee arthroplasty using computational simulation

Alterations to normal knee kinematics performed during conventional total knee arthroplasty (TKA) focus on the nonanatomic articular surface. Patient-specific TKA was introduced to provide better normal knee k...

Authors: Yong-Gon Koh, Kyoung-Mi Park and Kyoung-Tak Kang

Quantitative mapping of acute and chronic PCL pathology with 3 T MRI: a prospectively enrolled patient cohort

The diagnosis of incomplete acute and chronic posterior cruciate ligament (PCL) tears can be challenging with conventional magnetic resonance (MR) imaging, particularly for injuries in which the ligament appea...

Authors: Katharine J. Wilson, Jurgen Fripp, Carly A. Lockard, Richard C. Shin, Craig Engstrom, Charles P. Ho and Robert F. LaPrade

Histological incorporation of acellular dermal matrix in the failed superior capsule reconstruction of the shoulder

Superior capsule reconstruction addresses massive rotator cuff tears using allografts and aims to restore the natural superior constraint of the shoulder and therefore shoulder biomechanics and function. There...

Authors: Matthew J. Ravenscroft, James A. Riley, Barnes W. Morgan, Dilraj S. Sandher, Saurabh S. Odak and Preethi Joseph

“Simple mechanical devices did not improve pelvis positioning in AP pelvis radiographs for reliable assessment of the acetabular orientation”

The aim of this study was to develop two simple positioning devices for anteroposterior pelvis radiographs and to evaluate their effect on accuracy of the radiographs for assessment of the acetabular orientati...

Authors: Matthias Brockmeyer, Sebastian Lott, Jonas Stroeder, Peter Fries, Stefan Wagenpfeil, Thomas Tschernig and Dieter Kohn

Association between changes in molecular biomarkers of cartilage matrix turnover and changes in knee articular cartilage: a longitudinal pilot study

An early detection of Osteoarthritis is urgently needed and still not possible until today. The aim of the study was to assess whether molecular biomarkers of cartilage turnover are associated with longitudina...

Authors: Heide Boeth, Peter C. Raffalt, Aoife MacMahon, A. Robin Poole, Felix Eckstein, Wolfgang Wirth, Frank Buttgereit, Patrik Önnerfjord, Pilar Lorenzo, Cecilia Klint, Anna Pramhed and Georg N. Duda

The role of the medial plate for Pauwels type III femoral neck fracture: a comparative mechanical study using two fixations with cannulated screws

The biomechanical behavior of Pauwels type III fractures should be taken into consideration when performing internal fixation, since this repair should resist the shear force inherent in the vertical fracture ...

Authors: Vincenzo Giordano, Danilo Diniz Alves, Roger Pletsch Paes, Arthur Bonfim Amaral, Marcos Giordano, William Belangero, Anderson Freitas, Hilton A. Koch and Ney Pecegueiro do Amaral

Biomechanical comparison of meniscus-suture constructs for pullout repair of medial meniscus posterior root tears

Transtibial pullout repair for posterior meniscus root tear is widely performed to restore meniscal function. However, it is sometimes technically difficult to pass the suture through the posterior medial meni...

Authors: Shinichiro Okimura, Tatsuo Mae, Yuta Tachibana, Ryo Iuchi, Ken Nakata, Toshihiko Yamashita and Konsei Shino