Articles

Multi-layer cell-free scaffolds for osteochondral defects of the knee: a systematic review and meta-analysis of clinical evidence

The aim of this study was to analyze the clinical results provided by multi-layer cell-free scaffolds for the treatment of knee osteochondral defects.

Authors: Angelo Boffa, Luca Solaro, Alberto Poggi, Luca Andriolo, Davide Reale and Alessandro Di Martino

The effect of static stretching exercises on hip range of motion, pain, and disability in patients with non-specific low back pain

The benefits of providing static stretching exercise targeting the hips in patients with non-specific Low Back Pain (NSLBP) are not well established. The objective of the study was to verify the effects of sta...

Authors: Mohamadreza Hatefi, Farideh Babakhani and Mohadeseh Ashrafizadeh

Excessive anterior tibial translation in the contralateral uninjured limb is significantly associated with ramp lesion in anterior cruciate ligament injury

This study aimed to evaluate the excessive anterior tibial translation (ATT) and muscle strength of patients with ramp lesions. We hypothesised that the higher ATT, lower hamstring-to-quadriceps (HQ) ratio, an...

Authors: Kazuki Asai, Junsuke Nakase, Rikuto Yoshimizu, Mitsuhiro Kimura and Hiroyuki Tsuchiya

Technical note: rectangular femoral tunnel for anterior cruciate ligament reconstruction using a new ultrasonic device: a feasibility study

The goal of this preliminary report was to show the use of novel Ultrasound (US) technology for anterior cruciate ligament (ACL) reconstruction surgery and evaluate its feasibility for the creation of a rectan...

Authors: Seil Romain, Mouton Caroline and Jacquet Christophe

The use of augmented reality for limb and component alignment in total knee arthroplasty: systematic review of the literature and clinical pilot study

A systematic review of the literature has been carried out to assess the actual evidence of the use of augmented reality in total knee arthroplasty (TKA). We then conducted a pilot clinical study to examine th...

Authors: V. Iacono, L. Farinelli, S. Natali, G. Piovan, D. Screpis, A. Gigante and C. Zorzi

Anterolateral ligament reconstruction in addition to primary double-bundle anterior cruciate ligament reconstruction for grade 3 pivot shift improves residual knee instability during surgery

High-grade pivot shift in the anterior cruciate ligament (ACL) injured knee is a risk factor for postoperative residual pivot shift. Procedures in addition to ACL reconstruction such as anterolateral ligament ...

Authors: Yusuke Kawanishi, Makoto Kobayashi, Sanshiro Yasuma, Hiroaki Fukushima, Jiro Kato, Atsunori Murase, Tetsuya Takenaga, Masahito Yoshida, Gen Kuroyanagi, Yohei Kawaguchi, Yuko Nagaya, Hideki Murakami and Masahiro Nozaki

Assessment of paradoxical anterior translation in a CR total knee prosthesis coupling dynamic RSA and FE techniques

The study aims were to assess the kinematic data, Internal-External (IE) rotation, and Antero-Posterior (AP) translation of the contact points between the femoral condyles and polyethylene insert and to develo...

Authors: Agostino Igor Mirulla, Laura Bragonzoni, Stefano Zaffagnini, Tommaso Ingrassia, Raffaele Zinno and Bernardo Innocenti

Expanded adipose derived mesenchymal stromal cells are effective in treating chronic insertional patellar tendinopathy: clinical and MRI evaluations of a pilot study

Effect of ultrasound guided injections of autologous ASCs in chronic recalcitrant patellar tendinopathy.

Authors: Miguel A. Khoury, Karim Chamari, Montassar Tabben, Khalid Alkhelaifi, Trueba Ricardo, Couto Damián and Pieter D’hooghe

A case report of femoral head fracture with osteochondral lesion treated by osteosynthesis and biomimetic scaffold: 2-year clinical and radiological follow-up

The aim of the present study was to present clinical and radiological outcome of a hip fracture-dislocation of the femoral head treated with biomimetic osteochondral scaffold.

Authors: Alessandro Casiraghi, Claudio Galante, Marco Domenicucci, Stefano Cattaneo, Andrea Achille Spreafico, Marcello Motta, Paolo Capitani and Giuseppe Milano

CT based PSI blocks for osteotomies around the knee provide accurate results when intraoperative imaging is used

Correction osteotomies around the knee are common methods for the treatment of varus or valgus malalignment of the lower extremity. In recent years, patient specific instrumentation (PSI) guides were introduce...

Authors: Peter Savov, Mara Hold, Maximilian Petri, Hauke Horstmann, Christian von Falck and Max Ettinger

Does practice of meniscus surgery change over time? A report of the 2021 ‘THE MENISCUS’ Webinar

The aim of this paper was to report the results presented in the session “Does practice of meniscus surgery change over time?” of the 2021 MENISCUS webinar held online on January 30^th 2021.

Authors: Christophe Jacquet, Caroline Mouton, Roland Becker, Hideyuki Koga, Matthieu Ollivier, Peter Verdonk, Philippe Beaufils and Romain Seil

Preliminary experience of an international orthopaedic registry: the ESSKA Paediatric Anterior Cruciate Ligament Initiative (PAMI) registry

Paediatric and adolescent ACL injuries are an emerging health burden, increasing at a higher rate than in adults. They compromise quality of life, affect knee structure and function, lead to the early developm...

Authors: Caroline Mouton, Håvard Moksnes, Rob Janssen, Christian Fink, Stefano Zaffagnini, Juan Carlos Monllau, Guri Ekås, Lars Engebretsen and Romain Seil

Influence of femoral tunnel exit on the 3D graft bending angle in anterior cruciate ligament reconstruction

To quantify the influence of the femoral tunnel exit (FTE) on the graft bending angle (GBA) and GBA-excursion throughout a full range of motion (ROM) in single-bundle anterior cruciate ligament (ACL) reconstru...

Authors: Sandro Hodel, Sylvano Mania, Lazaros Vlachopoulos, Philipp Fürnstahl and Sandro F. Fucentese

Correction to: Towards planning of osteotomy around the knee with quantitative inclusion of the adduction moment: a biomechanical approach

Authors: Margit Biehl, Philipp Damm, Adam Trepczynski, Stefan Preiss and Gian Max Salzmann

Intra-articular fibrous bands at the tibiotalar joint: diagnosis and outcomes of arthroscopic removal in 4 ankles

The authors retrieved the records of 4 patients that exhibited unusual structural anomalies or pathologies, notably the presence of a fibrous band at the anterior aspect of the tibiotalar joint, observed durin...

Authors: Philippe Beaudet, Floris van Rooij, Mo Saffarini and Alexis Nogier

The effects of exercise and active assisted cycle ergometry in post-operative total knee arthroplasty patients - a randomized controlled trial

The purpose of this study was to examine the effect of the use of an active assisted cycle ergometer as an adjunct to post-operative treatment following total knee arthroplasty.

Authors: P. Sanzo, S. Niccoli, K. Droll, D. Puskas, C. Cullinan and S. J. Lees

A comprehensive scoping review of tibial cysts after anterior cruciate ligament reconstruction

The purpose of this study was to perform a scoping review of published literature reporting on surgical management of tibial cysts which developed after ACLR.

Authors: Nuno Camelo Barbosa, João Pedro Campos, Vânia Capelão, Vikram Kandhari, Thais Dutra Vieira and Bertrand Sonnery-Cottet

Towards planning of osteotomy around the knee with quantitative inclusion of the adduction moment: a biomechanical approach

Despite practised for decades, the planning of osteotomy around the knee, commonly using the Mikulicz-Line, is only empirically based, clinical outcome inconsistent and the target angle still controversial. A ...

Authors: Margit Biehl, Philipp Damm, Adam Trepczynski, Stefan Preiss and Gian Max Salzmann

What is the effect of supervised rehabilitation regime vs. self-management instruction following unicompartmental knee arthroplasty? – a pilot study in two cohorts

The optimal rehabilitation strategy after a unicompartmental knee arthroplasty (UKA) is unclear. This study aims to compare the effect of transitioning from a supervised to a self-management rehabilitation reg...

Authors: Adam Omari, Lina Holm Ingelsrud, Thomas Quaade Bandholm, Susanne Irene Lentz, Anders Troelsen and Kirill Gromov

Evaluation of the inter and intraobserver reproducibility of the GRASP method: a goniometric method to measure the isolated glenohumeral range of motion in the shoulder joint

To evaluate the intra and interobserver reproducibility of a new goniometric method for evaluating the isolated passive range of motion of the glenohumeral joint in an outpatient setting.

Authors: Miguel Angel Ruiz Ibán, Susana Alonso Güemes, Raquel Ruiz Díaz, Cristina Victoria Asenjo Gismero, Alejandro Lorente Gomez and Jorge Diaz Heredia

Effect of a simple core muscle training program on trunk muscle strength and neuromuscular control among pediatric soccer players

The purpose of this study was to examine the effect of simple core muscle training (CMT) program on trunk muscle strength and neuromuscular control among pediatric athletes.

Authors: Ryotaro Kumahara, Shizuka Sasaki, Eiji Sasaki, Yuka Kimura, Yuji Yamamoto, Eiichi Tsuda and Yasuyuki Ishibashi

Letter to the editor “Middle trapezius transfer for treatment of irreparable supraspinatus tendon tears-anatomical feasibility study”

Authors: Mehmet Kapicioglu, Orkhan Aliyev and Kerem Bilsel

Is T2 mapping reliable in evaluation of native and repair cartilage tissue of the knee?

To evaluate the effect of imaging plane and experience of observers on the reliability of T2 mapping of native and repair cartilage tissue of the knee.

Authors: Hasan Banitalebi, Christian Owesen, Asbjørn Årøen, Hang Thi Tran, Tor Åge Myklebust and Per-Henrik Randsborg

Evaluation of outcome reporting trends for femoroacetabular impingement syndrome- a systematic review

The aim of this systematic review was to evaluate the trends in the literature regarding surgical treatment for femoroacetabular impingement syndrome (FAIS) and to present which patient-reported outcome-measur...

Authors: Ida Lindman, Sarantos Nikou, Axel Öhlin, Eric Hamrin Senorski, Olufemi Ayeni, Jon Karlsson and Mikael Sansone

Supracondylar rotation osteotomy of the femur influences the coronal alignment of the ankle

Osteotomies represent well-established treatment-options for the redistribution of loads and forces within and around the knee-joint. Effects of these osteotomies on the remaining planes and adjacent joints ar...

Authors: Christian Konrads, Marc-Daniel Ahrend, Myriam R. Beyer, Ulrich Stöckle and Sufian S. Ahmad

Evaluation of the ‘Spaarne soft tissue procedure’ as a treatment for recurrent patellar dislocations: a four-in-one technique

The ‘Spaarne soft tissue procedure’, is a 4-in-1 soft tissue procedure that treats recurrent patellar dislocations in the young and active population. The procedure has not yet described elsewhere. The purpose...

Authors: Raymond Puijk, Rachid Rassir, Jan K. G. Louwerens, Inger N. Sierevelt, Tjitte de Jong and Peter A. Nolte

Early outcomes and predictors of patient satisfaction after TKA: a prospective study of 200 cases with a contemporary cemented rotating platform implant design

The purpose of the study was to identify the earliest time point where subjects realized the greatest clinical improvement after TKA, and the time when post-operative scores became superior to pre-operative sc...

Authors: Corné van Loon, Niels Baas, Verdonna Huey, James Lesko, Geert Meermans and Diederik Vergroesen

A computed tomography cadaveric study of the radiological anatomy of the patella: the size of the patella correlates with bone bridge between tunnels and R angles are introduced for safe tunnel drilling during MPFL reconstruction

To measure the safe range of angles during tunnel drilling and map ideal patella tunnel placement with the use of preoperative computed tomography (CT) scan and compare results after medial patellofemoral liga...

Authors: Vasileios Raoulis, Ioannis Tsifountoudis, Apostolos Fyllos, Michael Hantes, Michael-Alexander Malahias, Apostolos Karantanas and Aristeidis Zibis

Posterior cruciate ligament repair with suture tape augmentation: a case series with minimum 2-year follow-up

The posterior cruciate ligament (PCL) is an important stabilizer of the knee and can be damaged in up to 20% of ligamentous injuries. Numerous techniques for surgical treatment have been described in the liter...

Authors: Graeme P. Hopper, Ahmer Irfan, Joanne M. Jenkins, William T. Wilson and Gordon M. Mackay

Machine learning methods in sport injury prediction and prevention: a systematic review

Injuries are common in sports and can have significant physical, psychological and financial consequences. Machine learning (ML) methods could be used to improve injury prediction and allow proper approaches t...

Authors: Hans Van Eetvelde, Luciana D. Mendonça, Christophe Ley, Romain Seil and Thomas Tischer

Single-leg hop distance normalized to body height is associated with the return to sports after anterior cruciate ligament reconstruction

To investigate the relationship between single-leg hop distance (SLHD), normalized body height, and return-to-sports (RTS) status after anterior cruciate ligament reconstruction (ACLR) and to identify the cut-...

Authors: Shunsuke Ohji, Junya Aizawa, Kenji Hirohata, Takehiro Ohmi, Sho Mitomo, Tetsuya Jinno, Hideyuki Koga and Kazuyoshi Yagishita

The influence of kinesio taping on trunk and lower extremity motions during different landing tasks: implications for anterior cruciate ligament injury

The purpose of the study was to investigate the influence of a 72-h KT application on trunk and lower extremity kinematics during different landing tasks.

Authors: Bahram Sheikhi, Amir Letafatkar, Jennifer Hogg and Esmaiel Naseri-Mobaraki

The future of meniscus science: international expert consensus

The purpose of this study was to evaluate the main focus areas for research and development for furthering the state of meniscus science in 2021.

Authors: Nicholas N. DePhillipo, Robert F. LaPrade, Stefano Zaffagnini, Caroline Mouton, Romain Seil and Philippe Beaufils

Treatment of irreparable rotator cuff tears with superior capsular reconstruction

The treatment of irreparable rotator cuff tears with severe muscle atrophy and fatty infiltration remains a challenge, especially in young patients. Many surgical procedures for these tears have been reported....

Authors: Nobuyuki Yamamoto and Eiji Itoi

A false-pouch closure technique with an intact superior peroneal retinaculum for recurrent dislocation of the peroneal tendon

To evaluate the usefulness of the false-pouch closure technique with an intact superior peroneal retinaculum (SPR).

Authors: Tomohiro Matsui, Tsukasa Kumai, Yasushi Shinohara, Noriyuki Kanzaki, Koji Noguchi, Hirofumi Tanaka, Takeshi Sugimoto, Hiroki Yabiku and Ichiro Higashiyama

Effectiveness of measuring tension during arthroscopic rotator cuff repair

Arthroscopic rotator cuff repair (ARCR) for relatively small rotator cuff tears (RCTs) has shown promising results; however, such surgery for larger tears often results in failure and poor clinical outcomes. O...

Authors: Shin Yokoya, Yoshihiro Nakamura, Yohei Harada, Hiroshi Negi, Ryosuke Matsushita, Norimasa Matsubara, Yasuhiko Sumimoto and Nobuo Adachi

FGF gene expression in injured tendons as a prognostic biomarker of 1-year patient outcome after Achilles tendon repair

Healing outcome after Achilles Tendon Rupture (ATR) is variable and unsatisfactory. Many ATR patients still exhibit pain, functional deficits and limitations in walking one-year post-surgery. The present study...

Authors: Junyu Chen, Joel Svensson, Carl-Johan Sundberg, Aisha Siddiqah Ahmed and Paul W. Ackermann

No significant improvement in neuromuscular proprioception and increased reliance on visual compensation 6 months after ACL reconstruction

To determine the contributions of proprioceptive and visual feedbacks for postural control at 6 months following ACLR, and to determine their associations with knee laxity, isokinetic tests and clinical scores.

Authors: Frank Wein, Laetitia Peultier-Celli, Floris van Rooij, Mo Saffarini and Philippe Perrin

Influence of peracetic acid-ethanol sterilisation on the biomechanical properties of human meniscus transplants

Meniscus allograft transplantation (MAT) is a possible treatment for patients suffering with pain after meniscectomy. Here, peracetic acid (PAA) sterilised meniscus transplants were investigated on whether the...

Authors: Volker Eras, Josefine Graffunder, Norus Ahmed and Jan C. Brune

The aspiration test: an arthroscopic sign of lateral meniscus posterior horn instability

The suspensory mechanism of the posterior horn of the lateral meniscus (PHLM) is an anatomically complex structure including the popliteomeniscal fascicles, the meniscotibial posterior root attachment and the ...

Authors: Christophe Jacquet, Amanda Magosch, Caroline Mouton and Romain Seil

3D-surface scan based validated new measurement technique of femoral joint line reconstruction in total knee arthroplasty

This study aimed to validate a new joint line measurement technique in total knee arthroplasty for separated assessment of the medial and lateral femoral joint line alteration with 3D-surface scan technology. ...

Authors: Lars-Rene Tuecking, Max Ettinger, Dennis Nebel, Bastian Welke, Michael Schwarze, Henning Windhagen and Peter Savov

Intrathecal chloroprocaine or hyperbaric prilocaine for ambulatory knee surgery? A prospective randomized study

The aim of this study was to compare intrathecal 1% chloroprocaine with 2% hyperbaric prilocaine in the setting of ambulatory knee arthroscopy. We hypothesized that complete resolution of the sensory block was...

Authors: E Guntz, C Vasseur, D Ifrim, A Louvard, J F Fils and Y Kapessidou

Diagnosis and management of the infected total knee replacement: a practical surgical guide

Prosthetic joint infection (PJI) after total knee arthroplasty (TKA) is a significant burden in health care. Diagnosis and proper management are challenging. A standardised procedure for the diagnostic workup ...

Authors: Akos Zahar and Martin Sarungi

Staged patellar tendon reconstruction using doubled bone-patellar tendon-bone allograft for infected patellar tendon rupture: a rare case report of three years follow-up

Patellar tendon rupture is a relatively rare injury that usually requires surgical treatment. The optimal therapeutic strategy is still controversial, especially when either concomitant patellar tendon infecti...

Authors: Hyung Suk Choi, Byung-Woong Jang, Dong-Il Chun, Yong Beom Kim, Gi-Won Seo, Jinyeong Hwang and Byung Ill Lee

The enhancement of cartilage regeneration by use of a chitosan-based scaffold in a 3D model of microfracture in vitro: a pilot evaluation

Authors: N. Andjelkov, H. Riyadh, M. Ivarsson, Z. Kacarevic-Popovic, J. Krstic and P. Wretenberg

Clinical outcome after knee ligament reconstruction with tendon allografts

The purpose of this study is to investigate the clinical outcome for patients after knee ligament reconstructions with allografts at a university hospital.

Authors: Jon Olav Drogset, Kristina Hovde Størset, Thea Marie Nitteberg and Tone Gifstad

Distal radioulnar joint stabilization with open foveal reinsertion versus tendon graft reconstruction: an experimental study using radiostereometry

Symptomatic instability of the distal radioulnar joint (DRUJ) caused by lesion of the Triangular Fibrocartilage Complex (TFCC) can be treated with a number of surgical techniques. Clinical examination of DRUJ ...

Authors: Janni Kjærgaard Thillemann, Sepp De Raedt, Torben Bæk Hansen, Bo Munk and Maiken Stilling

Why are tapes better than wires in knotless rotator cuff repairs? An evaluation of force, pressure and contact area in a tendon bone unit mechanical model

Knotless repairs have demonstrated encouraging performance regarding retear rate reduction, but literature aiming at identifying the specific variables responsible for these results is scarce and conflictive.

Authors: Carlos Maia Dias, Sérgio B. Gonçalves, António Completo, Martina Tognini, Manuel Ribeiro da Silva, Jorge Mineiro, Francisco Curate, Frederico Ferreira and João Folgado

How common is fatty infiltration of the teres minor in patients with shoulder pain? A review of 7,367 consecutive MRI scans

The teres minor is particularly important for activities that require external rotation in abduction in the settings of both rotator cuff tears and reverse shoulder arthroplasty. This study sought to assess th...

Authors: William R. Aibinder, Derrick A. Doolittle, Doris E. Wenger and Joaquin Sanchez-Sotelo

Cadaveric evaluation of the feasibility of glenohumeral joint denervation

To assess the feasibility of total shoulder denervation through two proposed incisions.

Authors: Amr M. Aly