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Journal of Knee Surgery

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https://www.readbyqxmd.com/read/30227452/managing-superficial-distal-medial-collateral-ligament-insufficiency-in-primary-total-knee-arthroplasty-using-bone-staples
#1
Kevin T White, Andrew Fleischman, Colin T Ackerman, Antonia F Chen, Richard H Rothman
Superficial medial collateral ligament (MCL) injury is an occasional intraoperative complication during total knee arthroplasty (TKA) that can lead to failure. Although previous studies have recommended complex repair or conversion to a constrained implant, the authors evaluated results of superficial distal MCL reapproximation using bone staples. Records of 31 patients who underwent staple reapproximation for superficial MCL avulsion from the tibial attachment during primary TKA from 2005 to 2015 were reviewed...
September 18, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30227451/comparison-of-knee-kinematics-and-kinetics-during-stair-ascent-in-single-radius-and-multiradius-total-knee-arthroplasty
#2
Bonnie Sumner, John D McCamley, David J Jacofsky, Marc C Jacofsky
Traditionally total knee arthroplasty (TKA) design has been based on theories of the movement of the healthy knee joint. Currently, there are two competing theories on the flexion/extension axis of rotation of the knee with disparate radii of rotation, and thus differing movement patterns. The purpose of our study was to compare stair ascent kinematics and kinetics of single-radius (SR) and multiradius (MR) TKA subjects. We hypothesized that the knee kinematics and kinetics of SR TKA patients would more closely replicate healthy age matched controls during stair ascent than MR TKA patients, 1 year after TKA...
September 18, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30227450/is-arthrodesis-a-reliable-salvage-option-following-two-stage-revision-for-suspected-infection-in-proximal-tibial-replacements-a-multi-institutional-study
#3
Andrea Sambri, Giuseppe Bianchi, Michael Parry, Filippo Frenos, Domenico Campanacci, Davide Donati, Lee Jeys
The aim of this multicentric retrospective study was to verify whether knee arthrodesis (KA) is a viable reconstructive option after two-stage revision for infection of proximal tibia (PT) endoprosthetic reconstruction (EPR). Sixty patients who underwent a two-stage revision were included. Definitive EPR or a KA with a modular system was performed following consideration of soft tissue and extensor mechanism conditions. Patients were evaluated with Musculoskeletal Tumor Society Score and Oxford Knee Score. Implant survival was assessed on the basis of recurrence of infection...
September 18, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30227449/outcome-after-combined-lateral-extra-articular-tenodesis-and-anterior-cruciate-ligament-revision-in-professional-soccer-players
#4
Mattia Alessio-Mazzola, Matteo Formica, Antonio Russo, Francesca Sanguineti, Andrea Giorgio Capello, Stefano Lovisolo, Lamberto Felli
We report the functional outcome after combined anterior cruciate ligament (ACL) reconstruction and lateral extra-articular tenodesis (LET) for ACL re-rupture and high-grade pivot shift in professional soccer players. For this retrospective review, the medical records of 24 professional soccer players were analyzed. The mean age at surgery was 23.8 ± 4.2 years and the mean follow-up was 42.2 ± 16.9 months. Pre- and postoperative assessment included the KT-1000 Lachman test, pivot shift test, International Knee Documentation Committee (IKDC) subjective knee evaluation, Tegner activity scale (TAS), and Lysholm score...
September 18, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30227448/intravenous-corticosteroids-to-improve-early-rehabilitation-in-total-knee-arthroplasty
#5
Mark C Kendall, Lucas J Castro Alves
No abstract text is available yet for this article.
September 18, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30212919/outcomes-of-anterior-cruciate-ligament-reconstruction-in-females-using-patellar-tendon-bone-versus-hamstring-autografts-a-systematic-review-and-meta-analysis
#6
Si Heng Sharon Tan, Lau Bernard Puang Huh, Lingaraj Krishna
The current review aims to compare the outcomes of anterior cruciate ligament (ACL) reconstruction in the female population after patellar-tendon-bone and hamstring grafts. The review was conducted using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. All original randomized controlled trials and prospective cohort studies that compared clinical outcomes after female ACL reconstruction using hamstring versus patellar-tendon-bone grafts were included. All clinical outcomes reported by three or more studies were included...
September 13, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30212918/early-failure-in-medial-unicondylar-arthroplasty-radiographic-analysis-on-the-importance-of-joint-line-restoration
#7
Mirco Lo Presti, Giovanni Francesco Raspugli, Davide Reale, Francesco Iacono, Stefano Zaffagnini, Giuseppe Filardo, Maurilio Marcacci
Survivorship of unicondylar knee arthroplasty (UKA) remains a drawback, especially compared with the outcome of total knee arthroplasty. This could be improved by identifying and correcting failure mechanisms. To this purpose, this study aimed at exploring failure modalities of UKA, with particular focus on the role of joint line (JL) position and alignment as variable to be optimized for a successful outcome. This study explored modes of failure in 266 medial UKAs. Radiological comparison was performed between 24 failures and 24 matched controls, to determine the importance of UKA positioning in terms of femorotibial angle (FTA), tibial plateau angle, and posterior tibial slope (PTS)...
September 13, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30206913/peroneus-longus-tendon-autograft-is-a-safe-and-effective-alternative-for-anterior-cruciate-ligament-reconstruction
#8
Fu-Dong Shi, Daniel Edward Hess, Jin-Zeng Zuo, Shi-Jie Liu, Xue-Chen Wang, Yong Zhang, Xiao-Guang Meng, Ze-Jun Cui, Shao-Ping Zhao, Chang-Jiang Li, Wan-Ning Hu
The ipsilateral peroneus longus tendon (PLT) was utilized as an autograft for anterior cruciate ligament (ACL) reconstruction of patients with acute ACL rupture and grade III medial collateral ligament (MCL) injury. We investigated the efficacy and safety of this alternative autograft compared with autologous hamstring tendon (HT). Biomechanical testing of the graft options was performed and compared with the native ACL. Thirty-eight patients with acute ACL ruptures and grade III MCL injuries were treated with ACL reconstruction with a doubled autologous PLT or quadrupled autologous HT...
September 11, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30206912/treatments-of-choice-for-isolated-full-thickness-tears-of-the-posterior-cruciate-ligament-a-nationwide-survey-of-orthopaedic-surgeons
#9
Adam Schumaier, Chelsea Minoughan, Andrew Jimenez, Brian Grawe
The ideal treatment for isolated, full-thickness tears of the posterior cruciate ligament (PCL) is uncertain. The purpose of this study was to determine how the majority of orthopaedic surgeons treat isolated, full-thickness tears of the PCL. In July 2017, a 17-question multiple-choice survey regarding the treatment of isolated, full-thickness tears of the PCL was emailed to 3,500 orthopaedic sports medicine surgeons with membership in the American Orthopaedic Society for Sports Medicine. Responders answered multiple-choice questions related to indications, technique, graft choice, bracing, and weight-bearing status following reconstruction...
September 11, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30206911/arthroscopic-anterior-cruciate-ligament-reconstruction-a-meta-analysis-comparing-semitendinosus-alone-and-semitendinosus-with-gracilis-tendon-autografts
#10
Brian Zhaojie Chin, Ian Jun Yan Wee, Nicholas Li-Xun Syn, Lingaraj Krishna
The objective of this study was to provide a comprehensive systematic review and meta-analysis to compare patient-reported outcomes and functional knee parameters of anterior cruciate ligament (ACL) reconstruction surgery with semitendinosus (ST) and ST-gracilis (G) grafts. This study was conducted according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) and Meta-Analysis of Observational Studies in Epidemiology (MOOSE) guidelines. All studies in PubMed and Embase that reported functional knee parameters and patient-reported outcomes after ACL reconstruction with ST and ST-G grafts independently were included in the review...
September 11, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30193389/incidence-of-drug-abuse-in-revision-total-knee-arthroplasty-population
#11
Martin Roche, Tsun Yee Law, Nipun Sodhi, Samuel Rosas, Jennifer Kurowicki, Shanell Disla, Kevin Wang, Michael A Mont
Substance abuse can have strong negative impacts on surgical outcomes. Therefore, this study assessed the effects of drug abuse in total knee arthroplasty (TKA) patients. Specifically, we identified revision TKA (RTKA): (1) incidence, (2) causes, (3) time to revision, and (4) patient demographics in patients with a history of drug abuse. The Medicare database within the PearlDiver Supercomputer (Warsaw, IN) was queried to identify 2,159,221 TKAs performed between 2005 and 2012. Drug abuse was subdivided into cocaine, cannabis, opioids, sedatives/hypnotics/anxiolytics (SHA), amphetamines, and alcohol abusers...
September 7, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30193388/neutral-or-natural-functional-impact-of-the-coronal-alignment-in-total-knee-arthroplasty
#12
Erik Schiffner, Michael Wild, Bertram Regenbrecht, Alberto Schek, Mohssen Hakimi, Simon Thelen, Pascal Jungbluth, Johannes Schneppendahl
Total knee arthroplasty (TKA) is a very successful procedure. The alignment in TKA has been identified as being of importance to prevent early implant failure and patient dissatisfaction. Our hypothesis was that patients with a preoperative varus deformation remaining in a slight varus alignment as their natural alignment after TKA will have superior clinical results compared with patients who are restored in neutral alignment. A total of 115 patients were corrected from varus to neutral (varus-neutral) and in 33 patients a preoperative varus alignment was kept in varus (varus)...
September 7, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30193387/similar-outcomes-of-two-stage-revisions-for-infection-and-one-stage-revisions-for-aseptic-revisions-of-knee-endoprostheses
#13
Christian Konrads, Arno Franz, Maik Hoberg, Maximilian Rudert
Two-stage revision knee arthroplasty using an antibiotic-loaded spacer is the most widely performed procedure for infected knee arthroplasties. The clinical outcome of this type of surgery compared with aseptic joint revision with exchange of tibial and femoral components is still controversial. Therefore, we analyzed clinical outcomes of septic two-stage revisions compared with aseptic one-stage revision total knee arthroplasties (TKAs). In a retrospective study, we assessed 135 consecutive patients who underwent two-stage revision for septic TKA (52 patients) and one-stage aseptic total knee revision arthroplasty (83 patients)...
September 7, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30193386/anterior-cruciate-ligament-reconstruction-using-bone-patellar-tendon-bone-autograft-with-remnant-preservation-comparison-of-outcomes-according-to-the-amount-of-remnant-tissue
#14
Sung-Jae Kim, Chong Hyuk Choi, Yong-Min Chun, Sung-Hwan Kim, Su-Keon Lee, Woo Seok Jung, Min Jung
There has been controversy about whether remnant tissue of anterior cruciate ligament (ACL) has to be preserved in ACL reconstruction. The purpose of the study was to compare clinical outcomes between groups of patients who underwent ACL reconstruction with bone-patellar tendon-bone (BPTB) autograft divided according to amount of ACL remnant and investigate effect of remnant preservation on outcomes of ACL reconstruction. A total of 185 patients who underwent ACL reconstruction with BPTB autograft were retrospectively reviewed...
September 7, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30189440/comparing-cementing-techniques-in-total-knee-arthroplasty-an-in-vitro-study
#15
Thomas Wetzels, Joost van Erp, Reinoud W Brouwer, Sjoerd K Bulstra, Jos J A M van Raay
Aseptic loosening remains to be a major reason for revision in total knee arthroplasty. Cement penetration of 2 to 5 mm increases the interface strength and consequently decreases the likelihood of loosening. But despite this overall accepted optimal cement penetration, there is still a wide variety of cementing techniques used in total knee arthroplasty. The purpose of this study was to evaluate two cementing techniques on the tibial and femoral sides, with regard to cement penetration. Five paired cadaveric knees were used...
September 6, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30189439/magnetic-resonance-imaging-based-prevalence-of-anterolateral-ligament-abnormalities-and-associated-injuries-in-knees-with-acute-anterior-cruciate-ligament-injury
#16
Yoonah Song, Jae-Hyuk Yang, Won Rak Choi, Jin Kyu Lee
The purpose of this study was to determine and compare the prevalence of anterolateral ligament abnormality and associated injuries among patients with complete and partial anterior cruciate ligament tears. In addition, the prevalence of associated injuries with anterolateral ligament abnormality was further analyzed. Of the 158 patients diagnosed with acute anterior cruciate ligament tear, 82 patients were diagnosed with acute complete anterior cruciate ligament confirmed by magnetic resonance imaging (MRI) and arthroscopic procedures (Group C), and 74 patients were diagnosed with acute partial anterior cruciate ligament tears confirmed by MRI (Group P)...
September 6, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30189438/biomechanical-evaluation-of-suture-anchor-versus-transosseous-tunnel-patellar-tendon-repair-techniques
#17
Seth L Sherman, Brandee Black, Matthew A Mooberry, Katie L Freeman, Trevor R Gulbrandsen, Jeffrey L Milles, Laura Evans, David Flood, Ferris Pfeiffer
The objective of this study is to compare the cyclic loading strength and ultimate failure load in suture anchor repair versus transosseous tunnel repair of patellar tendons using a cadaver model. Twelve cadaveric patella specimens were used (six matched pairs). Dual-energy X-ray absorptiometry (DXA) measurements were performed to ensure equal bone quality among groups. All right knees were assigned to the suture anchor repair group ( n  = 6), whereas all left knees were assigned to the transosseous bone tunnel group ( n  = 6)...
September 6, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30189437/stacked-tantalum-cones-as-a-method-for-treating-severe-distal-femoral-bone-deficiency-in-total-knee-arthroplasty
#18
Ashok Rajgopal, Inayat Panda, Sidharth Yadav, Om Wakde
Severe bone loss in distal femur has traditionally been managed with bulk cementing, bone graft, metal augments, trabecular metal cones, and mega prosthesis. The authors present an alternative method using a stacked configuration of two tantalum cones to manage severe distal femoral bone loss. This study aims to evaluate the mid-term outcomes and possible complications in patients treated with this novel technique. We retrospectively analyzed the prospectively maintained records of 16 knees (in 16 patients) presenting with severe distal femoral bone deficiency due to septic loosening (5), giant cell tumor (GCT; 4), periprosthetic fracture (3), aseptic loosening (3), and distal femoral comminuted fracture with severe osteoarthritis (1)...
September 6, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30189436/what-is-the-price-and-claimed-efficacy-of-platelet-rich-plasma-injections-for-the-treatment-of-knee-osteoarthritis-in-the-united-states
#19
Nicolas S Piuzzi, Mitchell Ng, Ariel Kantor, Kenneth Ng, Stephanie Kha, Michael A Mont, George F Muschler
Platelet-rich plasma (PRP) injections are often used for the treatment of knee osteoarthritis (OA), despite clinical value and cost-effectiveness not being definitely established. PRP injections are considered as a potential means of reducing pain and improving function in patients with knee OA, in the hope of delaying or avoiding the need for surgical intervention. Centers that offer PRP injections usually charge patients out of pocket and directly market services. Therefore, the purpose of this study was to quantify the current (1) prices and (2) marketed clinical efficacy of autologous PRP injections for knee OA...
September 6, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/30189435/evaluation-of-accuracy-of-a-three-dimensional-printed-model-in-open-wedge-high-tibial-osteotomy
#20
Hee-June Kim, Jaeyeong Park, Kyeong-Hyeon Park, Il-Hyung Park, Jin-An Jang, Ji-Yeon Shin, Hee-Soo Kyung
The purpose of this study was to evaluate the usefulness of a three-dimensional (3D) printed model for open-wedge high tibial osteotomy (HTO). This study retrospectively evaluated 20 patients with medial knee osteoarthritis and varus deformity. Between October 2015 and July 2016, the patients underwent open-wedge HTO using a 3D printed model. The mean age of patients was 55.2 years (range, 51-60 years). The mean preoperative mechanical femorotibial angle (mFTA) was varus 7.8 degrees (range, varus 4.7-11.6 degrees)...
September 6, 2018: Journal of Knee Surgery
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