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https://www.readbyqxmd.com/read/28631112/risk-of-revision-was-not-reduced-by-a-double-bundle-acl-reconstruction-technique-results-from-the-scandinavian-registers
#1
Cathrine Aga, Jüri-Tomas Kartus, Martin Lind, Stein Håkon Låstad Lygre, Lars-Petter Granan, Lars Engebretsen
BACKGROUND: Double-bundle anterior cruciate ligament (ACL) reconstruction has demonstrated improved biomechanical properties and moderately better objective outcomes compared with single-bundle reconstructions. This could make an impact on the rerupture rate and reduce the risk of revisions in patients undergoing double-bundle ACL reconstruction compared with patients reconstructed with a traditional single-bundle technique. The National Knee Ligament Registers in Scandinavia provide information that can be used to evaluate the revision outcome after ACL reconstructions...
June 19, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28615108/kinematics-of-different-components-of-the-posterolateral-corner-of-the-knee-in-the-lateral-collateral-ligament-intact-state-a-human-cadaveric%C3%A2-study
#2
Christoph Domnick, Karl-Heinz Frosch, Michael J Raschke, Nils Vogel, Martin Schulze, Mathias von Glahn, Tobias C Drenck, Mirco Herbort
PURPOSE: To determine the static stabilizing effects of different anatomical structures of the posterolateral corner (PLC) of the knee in the lateral collateral ligament (LCL)-intact state. METHODS: Thirteen fresh-frozen human cadaveric knees were dissected and tested using an industrial robot with an optical tracking system. Kinematics were determined for 134 N anterior/posterior loads, 10 N m valgus/varus loads, and 5 N m internal/external rotatory loads in 0°, 20°, 30°, 60°, and 90° of knee flexion...
June 11, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28615040/immunohistochemical-and-immunocytochemical-study-of-mechanoreceptors-in-anterior-cruciate-ligament-reconstruction-with-the-remnant-preserving-technique-using-achilles-tendon-allografts
#3
Keun Churl Chun, Sung Hyun Lee, Jeong Woo Kim, Eun Jung Jin, Kwang Mee Kim, Churl Hong Chun
BACKGROUND: Attempts have been made to validate the significance of remnant preservation with anterior cruciate ligament (ACL) reconstruction using immunohistochemical and immunocytochemical techniques. The purpose of this study was to examine the expression of mechanoreceptors in the remnant tissue of ACL reconstruction performed with the remnant-preserving technique. METHODS: Tissue samples were obtained from 10 patients who underwent ACL reconstruction with the remnant-preserving technique...
June 14, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28606122/anterior-tibial-curved-cortex-is-a-reliable-landmark-for-tibial-rotational-alignment-in-total-knee-arthroplasty
#4
Joong Il Kim, Jak Jang, Ki Woong Lee, Hyuk Soo Han, Sahnghoon Lee, Myung Chul Lee
BACKGROUND: Rotational alignment of the tibial component is important for long-term success of total knee arthroplasty (TKA). This study aimed to compare five axes in normal and osteoarthritic (OA) knees to determine a reliable landmark for tibial rotational alignment in TKA. METHODS: One hundred twenty patients with OA knees and 40 with normal knees were included. The angle between a line perpendicular to the surgical transepicondylar axis and each of five axes were measured on preoperative computed tomography...
June 12, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28593576/treatment-of-osgood-schlatter-disease-review-of-the-literature
#5
REVIEW
E Circi, Y Atalay, T Beyzadeoglu
BACKGROUND: Osgood-Schlatter disease (OSD) is a self-limiting condition which occurs commonly in adolescence. PURPOSE: The objective of this article is to review published literature regarding pathophysiology, diagnosis and treatment of OSD. METHODS: A search of the literature was performed on the electronic databases PubMed, Cochrane and SCOPUS databases between 1962 and 2016 for pathophysiology, diagnosis and treatment of Osgood-Schlatter disease...
June 7, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28586586/comparative-analysis-of-anterior-knee-pain-in-transpatellar-and-medial-parapatellar-tendon-approaches-in-tibial-interlocking-nailing
#6
Saeed Ahmad, Ashfaq Ahmed, Latif Khan, Shahzad Javed, Naeem Ahmed, Amer Aziz
OBJECTIVE: Anterior knee pain is the most common complaint after intramedullary nail of the tibia. The incidence of anterior knee pain ranges from 10-86% and the exact ethology is unclear. Transpatellar tendon approach is commonly used for tibial intramedullary interlocking nailing but it can also be done through medial parapatellar tendon approach. The objective of the study was to compare post-operative anterior knee pain after intramedullary nailing technique by transpatellar approach compared to medial parapatellar approach...
October 2016: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28567341/technical-note-anterior-cruciate-ligament-reconstruction-in-the-presence-of-an-intramedullary-femoral-nail-using-anteromedial-drilling
#7
Matthew Lacey, Joseph Lamplot, Kempland C Walley, Joseph P DeAngelis, Arun J Ramappa
AIM: To describe an approach to anterior cruciate ligament (ACL) reconstruction using autologous hamstring by drilling via the anteromedial portal in the presence of an intramedullary (IM) femoral nail. METHODS: Once preoperative imagining has characterized the proposed location of the femoral tunnel preparations are made to remove all of the hardware (locking bolts and IM nail). A diagnostic arthroscopy is performed in the usual fashion addressing all intra-articular pathology...
May 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28566788/patellar-tendon-re-rupture-on-the-opposite-end-of-the-previous-site-of-surgical-repair
#8
Bryan Thean Howe Koh, Andrew A Sayampanathan, Keng Thiam Lee
We describe a rare case of a patellar tendon "re-rupture" at the opposite end of a previous proximal tendon repair. A 32-year-old male with a history of surgically repaired right proximal patellar tendon rupture presented with an acute non-traumatic right knee pain and instability during sports. Magnetic resonance imaging confirmed a complete rupture of his distal patellar tendon at the tibial tuberosity. The patellar tendon was repaired using two 5.5 mm BioCorkscrews (Arthrex) inserted into the tibial tuberosity; the tendon was stitched with the No...
May 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28559102/biomechanical-characteristics-of-the-anatomic-rectangular-tunnel-anterior-cruciate-ligament-reconstruction-with-a-bone-patellar-tendon-bone-graft
#9
Tatsuo Mae, Konsei Shino, Ryo Iuchi, Kazutaka Kinugasa, Ryohei Uchida, Shigeto Nakagawa, Hideki Yoshikawa, Ken Nakata
PURPOSE: To clarify 1) the force sharing between two portions of BTB graft in anatomic rectangular tunnel (ART) reconstruction and 2) the knee stability in ART technique under anterior tibial load. METHODS: Eleven fresh cadaveric knees were used. First, anterior-posterior (A-P) laxity was measured with Knee Laxity Tester(®) in response to 134 N of A-P tibial load at 20° on the normal knees. Then ART ACL reconstruction was performed with a BTB graft. For graft, the patellar bone plug and tendon portion was longitudinally cut into half as AM and PL portions...
May 27, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28536977/finite-element-simulations-of-different-hamstring-tendon-graft-lengths-and-related-fixations-in-anterior-cruciate-ligament-reconstruction
#10
Chao Wan, Zhixiu Hao, Zhichang Li, Jianhao Lin
As one of the most frequently used grafts in anterior cruciate ligament (ACL) reconstruction, hamstring tendon (HT) grafts are prepared with different lengths and fixed by specific fixations in knee joints. However, there are incomplete studies to investigate both the joint kinematics and graft biomechanics in the ACL reconstructions with different HT graft lengths. In this paper, three different graft lengths (i.e., 30, 50, and 70 mm) were developed in the ACL reconstruction and analyzed using finite element method under two usual clinical test loads (i...
May 23, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28502387/anterolateral-ligament-reconstruction-techniques-biomechanics-and-clinical-outcomes-a-systematic-review
#11
REVIEW
Nicholas N DePhillipo, Mark E Cinque, Jorge Chahla, Andrew G Geeslin, Robert F LaPrade
PURPOSE: To perform a systematic review of the described anterolateral ligament (ALL) reconstruction techniques, biomechanical performance, and clinical outcomes of ALL reconstruction in the setting of concurrent anterior cruciate ligament (ACL) reconstruction. METHODS: A systematic review was performed according to PRISMA guidelines using the Cochrane Database of Systematic Reviews, the Cochrane Central Register of Controlled Trials, PubMed, MEDLINE, and Embase, from 1980 to present...
May 11, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28499921/anterior-cruciate-ligament-soft-tissue-graft-fixation-in-the-elderly-is-there-a-reason-to-use-interference-screws-a-human-cadaver-study
#12
Christoph Domnick, Mirco Herbort, Michael J Raschke, Sarah Habermann, Benedikt Schliemann, Wolf Petersen, André Weimann
PURPOSE: To analyze the ultimate failure load, yield load, stiffness, and cyclic resistance of different anterior cruciate ligament (ACL) soft tissue graft fixation techniques in osteopenic bone. METHODS: In this study, 24 fresh-frozen human cadaveric tibiae (mean age 82.6 years; range 56-96; 6 male and 6 female donors) were used. Quantitative computed tomography was performed to match bone density. Looped porcine flexor tendon grafts were chosen as ACL graft substitutes for tibial graft fixation techniques (n = 8 each): (1) hybrid fixation with an interference screw and extracortical button fixation; (2) extracortical button fixation; and (3) interference screw fixation...
May 9, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28466182/trends-and-incidences-of-ligament-surgeries-and-osteotomies-of-the-knee-an-analysis-of-german-inpatient-records-2005-2013
#13
Christoph Domnick, Patric Garcia, Michael J Raschke, Johannes Glasbrenner, Georg Lodde, Christian Fink, Mirco Herbort
INTRODUCTION: In Germany most surgical procedures of the ligaments of the knee and correcting osteotomies of the knees are performed within an inpatient setting. The purpose of this study was to analyze the available data to assess epidemiological trends and incidences in inpatient knee joint surgery. MATERIALS AND METHODS: Approximately 154 million anonymized DRG inpatient records were collected by the German Federal Statistical Office between 2005 and 2013. These data were screened and analyzed for knee joint surgical ligamental procedures and osteotomies...
May 2, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28460194/graft-diameter-as-a-predictor-for-revision-anterior-cruciate-ligament-reconstruction-and-koos-and-eq-5d-values-a-cohort-study-from-the-swedish-national-knee-ligament-register-based-on-2240-patients
#14
Thorkell Snaebjörnsson, Eric Hamrin Senorski, Olufemi R Ayeni, Eduard Alentorn-Geli, Ferid Krupic, Fredrik Norberg, Jón Karlsson, Kristian Samuelsson
BACKGROUND: Anterior cruciate ligament (ACL) reconstruction (ACLR) using a hamstring tendon (HT) autograft is an effective and widespread method. Recent studies have identified a relationship between the graft diameter and revision ACLR. PURPOSE: To evaluate the influence of the graft diameter on revision ACLR and patient-reported outcomes in patients undergoing primary ACLR using HT autografts. STUDY DESIGN: Cohort study; Level of evidence, 2...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28458784/evaluating-the-functional-results-and-complications-of-autograft-vs-allograft-use-for-reconstruction-of-the-anterior-cruciate-ligament-a-systematic-review
#15
REVIEW
Ojas Pujji, Nikita Keswani, Naomi Collier, Marion Black, Lucy Doos
The aim of our review is to identify the reconstruction technique that has a superior functional outcome and decreased number of complications for the anterior cruciate ligament (ACL). We have divided our review into 2 sections. Our primary question evaluates the functional results and complications of autografts compared to allografts for ACL reconstruction. Our subsidiary question evaluates the functional results and complications of bone-patellar tendon-bone (BPTB) autografts compared to hamstring tendon autografts...
February 20, 2017: Orthopedic Reviews
https://www.readbyqxmd.com/read/28439635/high-incidence-of-partially-anatomic-tunnel-placement-in-primary-single-bundle-acl-reconstruction
#16
Andrea Achtnich, Francesco Ranuccio, Lukas Willinger, Jonas Pogorzelski, Andreas B Imhoff, Sepp Braun, Elmar Herbst
PURPOSE: The purpose of this study was to evaluate tunnel position and width in failed primary single-bundle (SB) anterior cruciate ligament (ACL) reconstructions. It was hypothesized that both femoral and tibial bone tunnels are frequently malplaced in terms of a partially anatomic position in the setting of failed SB ACL reconstruction. METHODS: Patients with recurrent instability following isolated SB ACL reconstruction using hamstring tendon autografts, undergoing revision ACL surgery, were retrospectively included...
April 24, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28426251/current-concepts-of-the-anterolateral-ligament-of-the-knee-anatomy-biomechanics-and-reconstruction
#17
Matthew J Kraeutler, K Linnea Welton, Jorge Chahla, Robert F LaPrade, Eric C McCarty
In 1879, Paul Segond described an avulsion fracture (now known as a Segond fracture) at the anterolateral proximal tibia with the presence of a fibrous band at the location of this fracture. Although references to this ligament were occasionally made in the anatomy literature after Segond's discovery, it was not until 2012 that Vincent et al named this ligament what we know it as today, the anterolateral ligament (ALL) of the knee. The ALL originates near the lateral epicondyle of the distal femur and inserts on the proximal tibia near Gerdy's tubercle...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28409108/hamstring-graft-biological-preparation-for-anterior-cruciate-ligament-reconstruction
#18
Nuno Camelo Barbosa, Francisco Guerra-Pinto, Claudia Cabeleira, Pedro Beja da Costa
The all-inside anterior cruciate ligament reconstruction (ACLR) success depends on biologic integration of the graft in the bone tunnel. Sutures wrapping the tendon in the bone tunnel may affect tendon-bone healing in shorter bone tunnels. To achieve better graft integration, we propose a variation of the graft link suture technique wherein the graft is linked chain-like to the femoral and tibial TightRope (Arthrex), which increases the tendon-bone contact area by eliminating sutures from the noose of the graft and thus may allow better graft integration...
February 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28400663/tunnel-widening-prevention-with-the-allo-achilles-tendon-graft-in-anterior-cruciate-ligament-reconstruction-surgical-tips-and-short-term-followup
#19
Dong Won Suh, Seung Beom Han, Woo Jin Yeo, Won Hee Lee, Jae Ho Kwon, Bong Soo Kyung
BACKGROUND: Tunnel widening (TW) after anterior cruciate ligament (ACL) reconstruction can be a serious complication, and there is controversy over how to prevent it. This study aimed to suggest surgical approaches to prevent TW using an allo-Achilles tendon graft, and then to evaluate TW after these surgical tips were applied. MATERIALS AND METHODS: Sixty two patients underwent ACL reconstruction with an allo-Achilles tendon graft. Four surgical approaches were used: Making a tibial tunnel by bone impaction, intraarticular reamer application, bone portion application for the femoral tunnel, and an additional bone plug application for the tibial tunnel...
March 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28349206/impingement-of-the-patellar-component-against-the-tibial-post-after-posterior-stabilized-and-constrained-tka-a-pilot-study
#20
Yukihide Minoda, Ryo Sugama, Yoichi Ohta, Hiroaki Nakamura
INTRODUCTION: Patella-post impingement (PPI), contact of the patellar component with the tibial post, occurs during deep knee flexion after posterior stabilized total knee arthroplasty (TKA). PPI can cause anterior knee pain, increased patellar pressure, wear of the polyethylene patellar component and tibial post, and poor range of motion. There have been no reports on the relationship between PPI and tibial post design. The aim of this study was to compare different tibial post designs with regard to PPI incidence...
March 27, 2017: Archives of Orthopaedic and Trauma Surgery
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