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Archives of Orthopaedic and Trauma Surgery

R Canetti, C Batailler, C Bankhead, P Neyret, E Servien, S Lustig
INTRODUCTION: Unicompartmental knee arthroplasty (UKA) is frequently performed on active patients with symptomatic osteoarthritis who desire a quick return to sports. The aim of this study was to compare return to sport after lateral UKA performed by robotic-assisted and conventional techniques. MATERIALS AND METHODS: This retrospective study has assessed 28 lateral UKA (25 patients), 11 performed with robotic-assisted technique and 17 with conventional technique, between 2012 and 2016...
September 21, 2018: Archives of Orthopaedic and Trauma Surgery
Marc Schnetzke, Thomas Wittmann, Patric Raiss, Gilles Walch
INTRODUCTION: The aim of the study was to evaluate the short-term clinical results of anatomic total shoulder arthroplasty with a short-stem prosthesis in primary osteoarthritis. MATERIALS AND METHODS: 65 shoulders with a mean age of 70 years (range 47-85 years) were available for minimum follow-up of 24 months. Clinical outcome was determined by range of motion, Constant score (CS) age and sex-adjusted Constant score (CS%), and subjective shoulder value (SSV)...
September 21, 2018: Archives of Orthopaedic and Trauma Surgery
Sean W L Ho, Michael Yam, M L Chan, Ernest B K Kwek
BACKGROUND: There is no clear consensus on when patients with surgically treated right ankle fractures can return to car driving, or how best to assess their fitness to drive. Through a rigorous driving assessment program consisting of both off-road and on-road tests, we aim to determine if these patients are able to pass a standard driving test, even before weight bearing has been initiated. METHODS: A prospective grant-funded (Supported by AOTrauma Asia Pacific Ref: AOTAP12-17) clinical study was conducted...
September 18, 2018: Archives of Orthopaedic and Trauma Surgery
Christian Lausmann, Mustafa Citak, Udo Hessling, Matthias Wolff, Thorsten Gehrke, Eduardo M Suero, Akos Zahar
INTRODUCTION: Mechanical failure due to dislocation, fracture and acetabular wear is a major complication associated with the use of spacers in the management of periprosthetic joint infection (PJI). We have developed a novel custom-made spacer in the setting of two-stage septic revision hip arthroplasty and present the preliminary results of our technique. MATERIALS AND METHODS: Between May 2015 and November 2017, 30 patients underwent hip revision using the ENDO spacer technique in the setting of a two-stage septic exchange arthroplasty...
September 18, 2018: Archives of Orthopaedic and Trauma Surgery
Chin-Hsien Wu, Yen-Chun Chiu, Shang-Won Yu, Feng-Chen Kao, Yuan-Kun Tu, Ching-Hou Ma
INTRODUCTION: The preliminary results of arthroscopic wrist ganglionectomy were contradictory. The approach used for the arthroscopic excision of wrist ganglions may play an important role. We analyzed two surgical approaches for arthroscopic excision of wrist ganglions. MATERIALS AND METHODS: Between April 2009 and October 2014, 49 patients with wrist ganglions who underwent arthroscopic excision in our institute were retrospectively classified into two treatment groups, namely the trans-cystic portal technique (TCP) and cyst-sparing portal technique (CSP)...
September 17, 2018: Archives of Orthopaedic and Trauma Surgery
Jun Komatsu, Atsuhiko Mogami, Hideaki Iwase, Osamu Obayashi, Kazuo Kaneko
Posterior tibial stress fractures are more frequent than anterior tibial stress fractures, and they are considered to have a good prognosis for returning to sports; cases leading to a complete fracture are rare. A 17-year-old male involved in high school athletics middle-distance running had a 3-week history of pain with training. He was running up to 300 km/week on streets and cross-country in an even distribution. He had posterior tibial stress fractures, but despite the lower leg pain, he continued running...
September 7, 2018: Archives of Orthopaedic and Trauma Surgery
Sebastian F Baumbach, Wolf C Prall, Andreas M Scharpf, Viktoria Hererich, Maximilian Schmidt, Norbert P Suedkamp, Amelie Stoehr, Hermann O Mayr
INTRODUCTION: The differentiation between stiff-knee and low-grade periprosthetic joint infection (PJI) is the current diagnostic challenge in total knee (TKA) revision arthroplasty. The aim of this study was to investigate the additional value of dry biopsies, compared to wet biopsies, in patients presenting with knee stiffness following primary TKA. MATERIALS AND METHODS: Single center, prospective observational study. Consecutive patients with joint stiffness of unknown origin following primary TKA were enrolled...
September 4, 2018: Archives of Orthopaedic and Trauma Surgery
Gareth G Jones, K Logishetty, S Clarke, R Collins, M Jaere, S Harris, J P Cobb
INTRODUCTION: High-volume unicompartmental knee arthroplasty (UKA) surgeons have lower revision rates, in part due to improved intra-operative component alignment. This study set out to determine whether PSI might allow non-expert surgeons to achieve the same level of accuracy as expert surgeons. MATERIALS AND METHODS: Thirty-four surgical trainees with no prior experience of UKA, and four high-volume UKA surgeons were asked to perform the tibial saw cuts for a medial UKA in a sawbone model using both conventional and patient-specific instrumentation (PSI) with the aim of achieving a specified pre-operative plan...
September 3, 2018: Archives of Orthopaedic and Trauma Surgery
Bauke W Kooistra, Mark Flipsen, Michel P J van den Bekerom, Jos J A M van Raay, Taco Gosens, Derek F P van Deurzen
INTRODUCTION: The wide use of hip and knee arthroplasty has led to implementation of volume standards for hospitals and surgeons. For shoulder arthroplasty, the effect of volume on outcome has been researched, but no volume standard exists. This review assessed literature reporting on shoulder arthroplasty volumes and its relation to patient-reported and functional outcomes to define an annual volume threshold. MATERIALS AND METHODS: MEDLINE and EMBASE were searched for articles published until February 2018 reporting on the outcome of primary shoulder arthroplasty in relation to surgeon or hospital volume...
August 29, 2018: Archives of Orthopaedic and Trauma Surgery
Bernhard Christen, Branko Kopjar
INTRODUCTION: Total knee arthroplasty (TKA) can provide pain relief and good long-term results. However, nearly 30% of post-surgical patients are unsatisfied due to persistent pain and functional deficits. A second-generation bi-cruciate stabilized TKA device has a post-cam mechanism with an asymmetric femoral component, a polyethylene insert, and a medially concave and laterally convex shape. The device is designed to provide guided motion, and thus improve knee kinematics by more closely approximating a normal knee...
August 25, 2018: Archives of Orthopaedic and Trauma Surgery
Amos Z Dai, Joshua Breite, Hien Pham, Michael Pickell, Mark Kramarchuk, Eduardo Vaca, Eric J Strauss
PURPOSE: To determine if measurement of leg adipose tissue area by MRI is a better predictor of post-operative clinical outcome compared to body mass index (BMI) following arthroscopic meniscectomy. METHODS: Patients that underwent an arthroscopic partial meniscectomy between 2011 and 2016 were identified and a retrospective chart review was performed. Patients with additional knee pathology other than a meniscal tear with or without associated articular cartilage injury were excluded...
August 24, 2018: Archives of Orthopaedic and Trauma Surgery
Sungjoon Lim, Hassan AlRamadhan, Jae-Man Kwak, Hanpyo Hong, In-Ho Jeon
INTRODUCTION: Arthroscopic superior capsule reconstruction (ASCR) using fascia lata autograft is a new surgical technique developed to overcome irreparable rotator cuff tears. There is little information about graft tear after ASCR and its impact on clinical outcome. This study is to investigate the graft tear rate, pattern of failure, and its correlation with clinical outcomes after arthroscopic superior capsule reconstruction (ASCR). MATERIALS AND METHODS: From June 2013 to June 2016, 31 shoulders in 31 consecutive patients (mean 65...
August 24, 2018: Archives of Orthopaedic and Trauma Surgery
Anja Hirschmüller, Wolfgang Schoch, Heiner Baur, Barbara Wondrasch, Lukas Konstantinidis, Nobert P Südkamp, Philipp Niemeyer
INTRODUCTION: Focal cartilage defects are an increasingly relevant clinical problem especially in athletes. Cartilage regenerative surgery (CRS) including microfracture and autologous chondrocyte implantation (ACI) to treat such isolated cartilage defects in the knee joint has been well established in the last two decades. In contradiction to high-level evidence concerning the surgical technique, cell-related issues, and clinical results, the knowledge about the optimal rehabilitation process is still sparse although the importance of optimizing the rehabilitation process has recently led to new research focus in this field...
August 21, 2018: Archives of Orthopaedic and Trauma Surgery
M Williams, M Ashworth
PURPOSE: We present a prospective case series of patients undergoing an arthroscopic, extra-articular psoas tenotomy. METHODS: From February 2009 to February 2017, 13 consecutive patients underwent day case, arthroscopic tenotomy. Patients were selected following clinical evidence of impingement and a diagnostic ultra-sound-guided steroid injection of the psoas bursa. The patient's mean age was 52.8 years ± 13.7 (29.1-82.7), mean ASA 1.8 and mean BMI 30.6 ± 8...
August 20, 2018: Archives of Orthopaedic and Trauma Surgery
Karl-Friedrich Schüttler, A Götschenberg, A Klasan, T Stein, A Pehl, P P Roessler, J Figiel, T J Heyse, T Efe
INTRODUCTION: Cartilage defects of the knee remain a challenging problem in orthopedic surgery despite the ongoing improvements in regenerative procedures such as the autologous chondrocyte transplantation. Due to the lack of donor-site morbidity and the single-stage procedure cell-free scaffolds are an interesting alternative to cell-based procedures. But as currently mid- and long-term data are lacking, the aim of the present study was to present mid-term clinical, radiological and histological results of a cell-free collagen type I scaffolds for cartilage repair...
August 18, 2018: Archives of Orthopaedic and Trauma Surgery
Marco M Schneider, Felix Toft, Christoph Kolling, Barbara Wirth, Robert Vachenauer, Nils Horn, Quinten T M Felsch, Laurent Audigé
INTRODUCTION: Incidences of scapular notching (SN) in reverse shoulder arthroplasty (RSA) range between 0% and 96%, and controversy remain as to its relevance for patient outcome. We assessed the reliability of scapular notching (SN) grading based on the Sirveaux classification system using anteroposterior radiographs. MATERIALS AND METHODS: 206 RSA procedures with 5-year postoperative anteroposterior shoulder radiographs were classified independently by seven assessors according to Sirveaux (session 1)...
August 17, 2018: Archives of Orthopaedic and Trauma Surgery
P van Gerven, S M Rubinstein, C Nederpelt, M F Termaat, P Krijnen, M W van Tulder, I B Schipper
BACKGROUND: The added value of routine radiography in the follow-up of extremity fractures is unclear. The aim of this systematic review was to create an overview of radiography use in extremity fracture care and the consequences of these radiographs for the treatment of patients with these fractures. MATERIALS AND METHODS: Studies were included if they reported on the use of radiography in the follow-up of extremity fractures and on its influence on treatment strategy, clinical outcome, or complications...
August 14, 2018: Archives of Orthopaedic and Trauma Surgery
Martin Olach, Pascal Gerhard, Karlmeinrad Giesinger, Christoph Lampert, Johannes B Erhardt
INTRODUCTION: The use of hip arthroscopy (HA) has substantially increased over the last decade. However, while the benefits of HA after 1 year in patients with femoroacetabular impingement (FAI) are well documented, long-term data on the progression of osteoarthritis (OA) or patient-reported outcomes (PROMs) are lacking. OBJECTIVES: To evaluate long-term clinical and radiological outcomes after HA. MATERIALS AND METHODS: Preoperative clinical records, operative notes, and radiographs from all patients who underwent HA at our hospital between 1998 and 2006 were reviewed...
August 13, 2018: Archives of Orthopaedic and Trauma Surgery
Wich Orapiriyakul, Theerachai Apivatthakakul, Chanakarn Phornphutkul
INTRODUCTION: Fixation of a small Hoffa fragment requires a selection of the proper surgical approach for reduction and posterior to anterior screws fixation. However, currently there are no guidelines regarding how to select the best approach for small posterior Hoffa fractures. OBJECTIVES: To compare the size of Hoffa fractures that are appropriate for reduction and fixation with the medial parapatellar approach (MPPA) and those which require the direct medial approach (DMA), and to make a similar comparison between the lateral parapatellar approach (LPPA) and the posterolateral approach (PLA)...
August 11, 2018: Archives of Orthopaedic and Trauma Surgery
Armin Pallaver, Lukas Zwicky, Lilianna Bolliger, Hans Bösebeck, Isabella Manzoni, Sabine Schädelin, Peter E Ochsner, Martin Clauss
INTRODUCTION: In revision total hip arthroplasty (THA), the cancellous bone is normally completely removed out of the femoral canal during stem extraction. This situation is comparable to primary THA following the shape-closed concept, with some authors advocating to remove the metaphyseal cancellous bone to enhance press-fit stability ("French paradox"). The aim of this study was to investigate the long-term outcome, regarding survival and radiological results, of a cemented straight stem when used for revision THA and to compare these results to the results of the same stem in primary THA...
August 11, 2018: Archives of Orthopaedic and Trauma Surgery
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