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https://www.readbyqxmd.com/read/29791702/all-inside-technique-for-acl-reconstruction-using-a-flipcutter%C3%A2-and-the-tightrope%C3%A2-system
#1
Nicos Papaloucas
There have been many innovations in the field of ACL-reconstruction over the years, including the FlipCutter® and TightRope® system (both from Arthrex Inc.). The FlipCutter® is a combined guide pin and reamer that allows minimally invasive socket-creation from the inside out, especially in difficult-to-reach areas. The TightRope® is a further development of the well-known Endobutton™ (Smith & Nephew plc) that consists of a four-point knotless locking system. Its main advantage is its adjustability, which makes it possible to fill the entire bone socket with the graft without any empty space...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29785178/functionally-graded-bone-and-tendon-like-polyurethane-for-rotator-cuff-repair
#2
Dai Fei Elmer Ker, Dan Wang, Anthony William Behn, Evelyna Tsi Hsin Wang, Xu Zhang, Benjamin Yamin Zhou, Ángel Enrique Mercado-Pagán, Sungwoo Kim, John Kleimeyer, Burhan Gharaibeh, Yaser Shanjani, Drew Nelson, Marc Safran, Emilie Cheung, Phil Campbell, Yunzhi Peter Yang
Critical considerations in engineering biomaterials for rotator cuff repair include bone-tendon-like mechanical properties to support physiological loading and biophysicochemical attributes that stabilize the repair site over the long-term. In this study, UV-crosslinkable polyurethane based on quadrol (Q), hexamethylene diisocyante (H), and methacrylic anhydride (M; QHM polymers), which are free of solvent, catalyst, and photoinitiator, is developed. Mechanical characterization studies demonstrate that QHM polymers possesses phototunable bone- and tendon-like tensile and compressive properties (12-74 MPa tensile strength, 0...
May 2018: Advanced Functional Materials
https://www.readbyqxmd.com/read/29784586/ultrasound-mediated-gene-delivery-enhances-tendon-allograft-integration-in-mini-pig-ligament-reconstruction
#3
Maxim Bez, Thomas J Kremen, Wafa Tawackoli, Pablo Avalos, Dmitriy Sheyn, Galina Shapiro, Joseph C Giaconi, Shiran Ben David, Jess G Snedeker, Zulma Gazit, Katherine W Ferrara, Dan Gazit, Gadi Pelled
Ligament injuries occur frequently, substantially hindering routine daily activities and sports participation in patients. Surgical reconstruction using autogenous or allogeneic tissues is the gold standard treatment for ligament injuries. Although surgeons routinely perform ligament reconstructions, the integrity of these reconstructions largely depends on adequate biological healing of the interface between the ligament graft and the bone. We hypothesized that localized ultrasound-mediated, microbubble-enhanced therapeutic gene delivery to endogenous stem cells would lead to significantly improved ligament graft integration...
April 26, 2018: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/29783272/tendon-healing-in-bone-tunnel-after-human-anterior-cruciate-ligament-reconstruction-a-systematic-review-of-histological-results
#4
Hongbin Lu, Can Chen, Shanshan Xie, Yifu Tang, Jin Qu
Most studies concerning to tendon healing and incorporation into bone are mainly based on animal studies due to the invasive nature of the biopsy procedure. The evidence considering tendon graft healing to bone in humans is limited in several case series or case reports, and therefore, it is difficult to understand the healing process. A computerized search using relevant search terms was performed in the PubMed, EMBASE, Scopus, and Cochrane Library databases, as well as a manual search of reference lists. Searches were limited to studies that investigated tendon graft healing to bone by histologic examination after anterior cruciate ligament (ACL) reconstruction with hamstring...
May 21, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29781355/development-and-biological-validation-of-a-cyclic-stretch-culture-system-for-the-ex-vivo-engineering-of-tendons
#5
Manuela Teresa Raimondi, Matteo Laganà, Claudio Conci, Michele Crestani, Alessia Di Giancamillo, Francesca Gervaso, Daniela Deponti, Federica Boschetti, Michele M Nava, Chiara Scandone, Cinzia Domeneghini, Alessandro Sannino, Giuseppe M Peretti
INTRODUCTION: An innovative approach to the treatment of tendon injury or degeneration is given by engineered grafts, made available through the development of bioreactors that generate tendon tissue in vitro, by replicating in vivo conditions. This work aims at the design of a bioreactor capable of applying a stimulation of cyclic strain on cell constructs to promote the production of bioartificial tissue with mechanical and biochemical properties resembling those of the native tissue...
May 1, 2018: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/29780843/adjustable-versus-fixed-loop-devices-for-femoral-fixation-in-acl-reconstruction-an-in-vitro-full-construct-biomechanical-study-of-surgical-technique-based-tibial-fixation-and-graft-preparation
#6
Patrick A Smith, Marina Piepenbrink, Shelby K Smith, Samuel Bachmaier, Asheesh Bedi, Coen A Wijdicks
Background: Femoral suspensory fixation for anterior cruciate ligament (ACL) reconstruction has evolved from fixed- to adjustable-loop devices. However, there are still controversies regarding undesired lengthening of adjustable-loop devices. Hypothesis: Adjustable-loop fixation will achieve similar elongation to that of fixed-loop devices, and intraoperative preconditioning will reduce initial elongation for adjustable-loop constructs. Study Design: Controlled laboratory study...
April 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29780834/factors-affecting-the-achievement-of-a-patient-acceptable-symptom-state-1-year-after-anterior-cruciate-ligament-reconstruction-a-cohort-study-of-343-patients-from-2-registries
#7
Eric Hamrin Senorski, Eleonor Svantesson, Susanne Beischer, Alberto Grassi, Ferid Krupic, Roland Thomeé, Kristian Samuelsson
Background: There is insufficient knowledge regarding the influence of concomitant injuries on the recovery of short-term subjective knee function after anterior cruciate ligament (ACL) reconstruction. Purpose: To determine whether patient characteristics, concomitant injuries, and graft choice during ACL reconstruction can predict which patients achieve acceptable knee function 1 year after reconstruction. Study Design: Case-control study; Level of evidence, 3...
April 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29776815/strength-recovery-after-anterior-cruciate-ligament-reconstruction-with-quadriceps-tendon-versus-hamstring-tendon-autografts-in-soccer-players-a-randomized-controlled-trial
#8
Jose Luis Martin-Alguacil, Manuel Arroyo-Morales, Jose Luis Martín-Gomez, Isidro Manuel Monje-Cabrera, Juan F Abellán-Guillén, Francisco Esparza-Ros, Mario Lozano Lozano, Irene Cantarero-Villanueva
BACKGROUND: The comparison between HT and QT grafts in strength recovery and function after an ACLR is scarce in the literature. METHODS: A total of 56 participants were enrolled in this randomized controlled trial and placed into two groups: HT or QT. The hamstring/quadriceps (H/Q) ratio was the primary end-point measured with a Genu-3 dynamometer. Peak torque, functional assessment (Lysholm knee scoring scale and Cincinnati Knee Rating System), and anteroposterior laxity (KT-2000™ arthrometer) were also assessed...
May 15, 2018: Knee
https://www.readbyqxmd.com/read/29770879/no-difference-in-the-graft-shift-between-a-round-and-a-rounded-rectangular-femoral-tunnel-for-anterior-cruciate-ligament-reconstruction-an-experimental-study
#9
Yasushi Takata, Junsuke Nakase, Takeshi Oshima, Kengo Shimozaki, Kazuki Asai, Hiroyuki Tsuchiya
INTRODUCTION: We developed a novel technique of creating a rounded rectangular femoral bone tunnel for anatomical, single-bundle, autologous hamstring tendon anterior cruciate ligament (ACL) reconstruction. Although this tunnel has many advantages, its non-circular shape has raised concerns regarding excessive graft shift within the bone tunnel. This study aimed to compare the graft shift between round and rounded rectangular tunnels using a graft diameter tester for simulating the femoral bone tunnel...
May 16, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29767271/graft-failure-is-more-frequent-after-hamstring-than-patellar-tendon-autograft
#10
E Laboute, E James-Belin, P L Puig, P Trouve, E Verhaeghe
PURPOSE: The risk of graft failure after anterior cruciate ligament (ACL) reconstructions with hamstring or patellar tendon was evaluated in a French population of athletes. METHODS: Athletes who had undergone ACL autograft reconstruction and who received rehabilitation care at the European Center for Sports Rehabilitation (CERS; Capbreton, France) were screened for this prospective cohort study. Eligibility criteria included a simple hamstring autograft or patellar tendon autograft surgical technique...
May 16, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29765486/use-of-hyaluronic-acid-based-biological-bilaminar-matrix-in-wound-bed-preparation-a-case-series
#11
Richard Simman, Walid Mari, Sara Younes, Michael Wilson
Objective: Hyalomatrix, a matrix that consists of esterified hyaluronic acid, covered with a removable, semipermeable silicone top layer, was used to generate granulation tissue in a series of 12 serious, surgical wounds of different etiologies. Methods: Many defects showed exposed muscle, tendons, and/or bone. After thorough debridement, the matrix was applied, in a number of cases, combined with negative pressure wound therapy. Results: All wounds developed granulation tissue in and on top of the matrix. Nine wounds were then closed with a split skin autograft...
2018: Eplasty
https://www.readbyqxmd.com/read/29763517/novel-engineered-tendon-fibrocartilage-bone-composite-with-cyclic-tension-for-rotator-cuff-repair
#12
Qian Liu, Taku Hatta, Jun Qi, Haoyu Liu, Andrew R Thoreson, Peter C Amadio, Steven L Moran, Scott P Steinmann, Anne Gingery, Chunfeng Zhao
Surgical repair of rotator cuff tears presents a significant clinical challenge with high failure rates and inferior functional outcomes. Graft augmentation improves repair outcomes, however currently available grafting materials have limitations. While cell-seeded decellularized tendon slices may facilitate cell infiltration, promote tendon incorporation and preserve original mechanical strength, the unique fibrocartilage zone is yet to be successfully reestablished. In this study, we investigated the biological and mechanical properties of an engineered tendon-fibrocartilage-bone composite (TFBC) with cyclic tension (3% strain, 0...
May 15, 2018: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29763336/adjustable-loop-femoral-cortical-suspensory-fixation-for-patellar-tendon-anterior-cruciate-ligament-reconstruction-a-time-zero-biomechanical-comparison-with-interference-screw-fixation
#13
Dayne T Mickelson, Thomas Lefebvre, Ken Gall, Jonathan C Riboh
BACKGROUND: Adjustable-loop cortical buttons for femoral fixation of bone-tendon-bone grafts have potential advantages over interference screw fixation; however, these devices have not been benchmarked biomechanically against interference screws. Purpose/Hypothesis: The purpose was to compare the time zero biomechanical properties of commercially available, adjustable-loop cortical button and metallic interference screws for femoral fixation of bone-tendon-bone grafts. It was hypothesized that no significant differences would be found in biomechanical properties between fixation techniques...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29757529/fiber-based-scaffolding-techniques-for-tendon-tissue-engineering
#14
REVIEW
Yang Wu, Yi Han, Yoke San Wong, Jerry Ying Hsi Fuh
Tendon refers to a band of tough, regularly arranged and connective tissue connecting muscle and bone, transferring strength from muscle to bone, and enabling articular stability and movement. The limitations of natural tendon grafts motivate the scaffold-based tissue engineering (TE) approaches, which aim to build patient-specific biological substitutes that can repair the damaged or diseased tissues. Advances in engineering and knowledge of chemistry and biology have brought forth numerous fiber-based technologies, including electrospinning, electrohydrodynamic jet printing, electrochemical alignment technique and other fiber-assembly technologies, which enable the fabrication of tendon tissue structure in three-dimension...
May 14, 2018: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29755840/treatment-of-mallet-finger-deformity-with-a-modified-palmaris-longus-tendon-graft-through-a-bone-tunnel
#15
Zengbing Liu, Kai Ma, Dong Huang
OBJECTIVE: To investigate the clinical effect of treating mallet finger deformity using a modified palmaris longus tendon graft through a bone tunnel. METHODS: Altogether, 21 patients with mallet finger deformity (16 men, 5 women; average age 31 years, range 19-47 years) were treated with a modified palmaris longus tendon graft through a bone tunnel during 18 months (2014-2016). Four index fingers, seven middle fingers, eight ring fingers, and two little fingers were treated for four cutting injuries, eleven finger sprains, four crush injuries, and two twist injuries (7 open and 14 closed injuries)...
2018: International Journal of Burns and Trauma
https://www.readbyqxmd.com/read/29752059/risk-factors-for-abnormal-anteroposterior-knee-laxity-after-primary-anterior-cruciate-ligament-reconstruction
#16
Riccardo Cristiani, Magnus Forssblad, Björn Engström, Gunnar Edman, Anders Stålman
PURPOSE: To identify preoperative and intraoperative factors associated with abnormal anterior knee laxity after primary anterior cruciate ligament (ACL) reconstruction. METHODS: A total of 5,462 patients who underwent primary ACL reconstruction at our institution from January 2000 to October 2015, with no associated ligament injuries, were included. Demographic data, information regarding graft used, concomitant meniscal surgery, and instrumented laxity were reviewed...
May 8, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29749751/visual-motor-control-of-drop-landing-after-anterior-cruciate-ligament-reconstruction
#17
Dustin R Grooms, Ajit Chaudhari, Stephen J Page, Deborah S Nichols-Larsen, James A Onate
CONTEXT:   Visual feedback is crucial in the control of human movement. When vision is obstructed, alterations in landing neuromuscular control may increase movements that place individuals at risk for injury. Anterior cruciate ligament (ACL) injury may further alter the motor-control response to alterations in visual feedback. The development of stroboscopic glasses that disrupt visual feedback without fully obscuring it has enabled researchers to assess visual-motor control during movements that simulate the dynamic demands of athletic activity...
May 11, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29748878/clinical-and-radiological-outcome-of-gustilo-type-iii-open-distal-tibial-and-tibial-shaft-fractures-after-staged-treatment-with-posterolateral-minimally-invasive-plate-osteosynthesis-mipo-technique
#18
Xiaojian He, Chuanzhen Hu, Kaihua Zhou, Qilin Zhai, Weifeng Wen, Fugen Pan
OBJECTIVES: To evaluate the methods and the outcomes of Gustilo type III open distal tibial and tibial shaft fractures with severe anterior and medial soft-tissue injuries, treated with posterolateral minimally invasive plate osteosynthesis (MIPO) technique. METHODS: From May 2015 to May 2016, 10 patients with Gustilo type III open distal tibial and tibial shaft fractures with severe anterior and medial soft-tissue injuries (Gustilo-Anderson classification IIIA, 6; IIIB, 4) were treated with staged protocol using posterolateral minimally invasive plate osteosynthesis (MIPO) technique...
May 10, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29746150/biomechanical-comparison-of-anatomic-and-extra-anatomic-reconstruction-techniques-using-local-grafts-for-chronic-instability-of-the-acromioclavicular-joint
#19
Malo Le Hanneur, Andrew Thoreson, Damien Delgrande, Thibault Lafosse, Jean-David Werthel, Philippe Hardy, Bassem Elhassan
BACKGROUND: Anatomic reconstruction techniques are increasingly used to address cases of acromioclavicular (AC) joint chronic instability. These usually involve an additional surgical site for autograft harvesting or an allograft. PURPOSE: To describe a triple-bundle (TB) anatomic reconstruction using on-site autografts, the semiconjoint tendon (SCT) and the coracoacromial ligament (CAL), and compare its primary stability to the native AC joint ligamentous complex and to a modified Weaver-Dunn (WD) reconstruction...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29744648/the-eden-hybbinette-procedure-is-one-hundred-years-old-a-historical-view-of-the-concept-and-its-evolutions
#20
Guillaume Villatte, Sally Spurr, Cyrus Broden, Antoine Martins, Roger Emery, Peter Reilly
INTRODUCTION: One hundred years ago, before Bankart, Latarjet or Bristow, Eden and Hybbinette developed a procedure to treat anterior shoulder instability and currently, this eponymous term is known by every shoulder surgeon. The purpose of this review is to summarise the historical "Eden-Hybbinette" procedure and its evolutions during the last century and discuss results. METHOD: On the centenary of the first publication on the "Eden-Hybbinette procedure", a search was conducted on Medline, Google Scholar and in the grey literature, to find its initial concept and description, and the evolutions...
May 9, 2018: International Orthopaedics
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