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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
#1
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
#2
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/29770342/fibular-collateral-ligament-varus-stress-radiographic-analysis-using-3-different-clinical-techniques
#3
Patrick W Kane, Mark E Cinque, Gilbert Moatshe, Jorge Chahla, Nicholas N DePhillipo, Matthew T Provencher, Robert F LaPrade
Background: Fibular collateral ligament (FCL) tears are challenging to diagnose. Left untreated, FCL tears lead to residual ligament instability and increased joint loading on the medial compartment of the knee. Additionally, when a concomitant anterior cruciate ligament (ACL) reconstruction is performed, increased forces on reconstruction grafts occur, which may lead to premature graft failure. Stress radiographs constitute a reliable and validated technique for the objective assessment of a complete grade III FCL tear...
May 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29768019/does-anterior-cruciate-ligament-reconstruction-affect-the-outcome-of-osteochondral-allograft-transplantation-a-matched-cohort-study-with-a-mean-follow-up-of-6-years
#4
Luís E P Tírico, Julie C McCauley, Pamela A Pulido, William D Bugbee
BACKGROUND: Few studies have evaluated the influence of anterior cruciate ligament (ACL) reconstruction on the outcome of cartilage repair. Hypothesis/Purpose: The purpose was to investigate the association between ACL reconstruction and functional outcomes after osteochondral allograft (OCA) transplantation. The hypothesis was that patients treated with OCA transplantation who had a history of ACL reconstruction would have inferior clinical outcomes and lower osteochondral graft survivorship when compared with a matched group of patients undergoing OCA transplantation without a history of ACL reconstruction...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29767271/graft-failure-is-more-frequent-after-hamstring-than-patellar-tendon-autograft
#5
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/29763336/adjustable-loop-femoral-cortical-suspensory-fixation-for-patellar-tendon-anterior-cruciate-ligament-reconstruction-a-time-zero-biomechanical-comparison-with-interference-screw-fixation
#6
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/29761106/current-strategies-and-future-directions-to-optimize-acl-reconstruction-in-adolescent-patients
#7
Dustin Jon Richter, Roger Lyon, Scott Van Valin, Xue-Cheng Liu
The incidence of anterior cruciate ligament (ACL) injuries in the pediatric population has risen in recent years. These injuries have historically presented a management dilemma in skeletally immature patients with open physes and significant growth remaining at time of injury. While those nearing skeletal maturity may be treated with traditional, transphyseal adult techniques, these same procedures risk iatrogenic damage to the growth plates and resultant growth disturbances in younger patients with open physes...
2018: Frontiers in Surgery
https://www.readbyqxmd.com/read/29752638/avoiding-complications-with-mpfl-reconstruction
#8
REVIEW
Marvin K Smith, Brian C Werner, David R Diduch
PURPOSE OF REVIEW: To discuss the potentially significant complications associated with medial patellofemoral ligament (MPFL) reconstruction. Additionally, to review the most current and relevant literature with an emphasis on avoiding these potential complications. RECENT FINDINGS: Multiple cadaveric studies have characterized the anatomy of the MPFL and the related morphologic abnormalities that contribute to recurrent lateral patellar instability. Such abnormalities include patella alta, excessive tibial tubercle to trochlear grove (TT-TG) distance, trochlear dysplasia, and malalignment...
May 12, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29752059/risk-factors-for-abnormal-anteroposterior-knee-laxity-after-primary-anterior-cruciate-ligament-reconstruction
#9
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
#10
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/29748121/the-biomechanical-evaluation-of-a-novel-3-strand-docking-technique-for-ulnar-collateral-ligament-reconstruction-in-the-elbow
#11
Phillip N Williams, Michelle H McGarry, Hansel Ihn, Brian M Schulz, Orr Limpisvasti, Neal S ElAttrache, Thay Q Lee
BACKGROUND AND HYPOTHESIS: The original 2-strand docking technique for elbow ulnar collateral ligament reconstruction has recently been modified to use a 3-strand graft. To date, no biomechanical study has compared the 2 techniques. We hypothesized that the 3-strand docking technique would restore valgus laxity to its native state, with comparable load-to-failure characteristics to the 2-strand docking technique. MATERIALS AND METHODS: Sixteen fresh cadaveric elbows were matched to the corresponding contralateral side from the same individual to create 8 matched pairs and were then randomized to undergo ulnar collateral ligament reconstruction using either the 2- or 3-strand technique...
May 7, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29747527/outcomes-of-scapholunate-intercarpal-ligamentoplasty-for-chronic-scapholunate-dissociation-a-prospective-study-in-26-patients
#12
Lionel Athlani, Nicolas Pauchard, Gilles Dautel
We report the outcomes of scapholunate intercarpal ligamentoplasty in 26 wrists. For 15 wrists with static instability and 11 with dynamic instability, we used a free palmaris longus graft to reconstruct the dorsal part of the scapholunate interosseous ligament and the dorsal intercarpal ligament. These patients were evaluated for pain and active wrist range of motion, grip strength and radiological appearance after a mean follow-up of 36 months (range 12-54) after surgery. Pain score was improved from 4.5 to 1...
January 1, 2018: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/29746262/clinical-comparison-of-surgical-constructs-for-anterior-cervical-corpectomy-and-fusion-in-patients-with-cervical-spondylotic-myelopathy-or-ossified-posterior-longitudinal-ligament-a-systematic-review-and-meta-analysis
#13
Timothy R Niedzielak, Joseph Palmer, John P Malloy
STUDY DESIGN: This is a systematic review and meta-analysis. OBJECTIVE: To examine the differences in outcomes among current constructs and techniques for anterior cervical corpectomy and fusion (ACCF) in patients with single or multiple level cervical myelopathy (CM) secondary to cervical spondylosis or ossified posterior longitudinal ligament. SUMMARY OF BACKGROUND DATA: The natural history of CM can be a progressive disease process. In such cases, where surgical decompression is indicated to halt the progression, ACCF is typically chosen for pathology located posterior to the vertebral body...
May 9, 2018: Clinical Spine 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
#14
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/29741921/how-variable-are-achilles-allografts-used-for-anterior-cruciate-ligament-reconstruction-a-biomechanical-study
#15
Alexander E Weber, Erik N Mayer, Amit Nathani, Dan X Chen, Anne M Kelly, Scott A Rodeo, Asheesh Bedi
BACKGROUND: Allograft tendon used in anterior cruciate ligament reconstruction (ACLR) requires sterilization before implantation. Low-dose gamma irradiation is a means of sterilization that may minimize tissue damage. PURPOSE: To quantify the variability in mechanical properties between low-dose irradiated Achilles tendon allografts used for ACLR. STUDY DESIGN: Descriptive laboratory study. METHODS: A total of 15 intact outer-third Achilles tendon allograft specimens were collected from the remains of full Achilles allografts used for intraoperative ACLR at a single hospital...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29741911/long-term-comparison-of-semitendinosus-and-gracilis-tendon-versus-patellar-tendon-autografts-for-anterior-cruciate-ligament-reconstruction-a-17-year-follow-up-of-a-randomized-controlled-trial
#16
Matjaz Sajovic, Domen Stropnik, Katja Skaza
BACKGROUND: Short-term and mid-term differences between hamstring and patellar tendon autografts for anterior cruciate ligament (ACL) reconstruction are well documented. Systematic reviews highlight the lack of long-term results between the two grafts. HYPOTHESIS: Seventeen years after ACL reconstruction, no difference will be found in functional outcome, quality of life, and graft failure between patients with patellar tendon (PT) or semitendinosus and gracilis tendon (STG) autografts; however, a significant difference will be seen in the prevalence of osteoarthritis...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29741400/anterolateral-ligament-reconstruction-protects-the-repaired-medial-meniscus-a-comparative-study-of-383-anterior-cruciate-ligament-reconstructions-from-the-santi-study-group-with-a-minimum-follow-up-of-2-years
#17
Bertrand Sonnery-Cottet, Adnan Saithna, William G Blakeney, Herve Ouanezar, Amrut Borade, Matt Daggett, Mathieu Thaunat, Jean-Marie Fayard, Jean Romain Delaloye
BACKGROUND: The prevalence of osteoarthritis after successful meniscal repair is significantly less than that after failed meniscal repair. PURPOSE: To determine whether the addition of anterolateral ligament reconstruction (ALLR) confers a protective effect on medial meniscal repair performed at the time of anterior cruciate ligament reconstruction (ACLR). STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: Retrospective analysis of prospectively collected data was performed to include all patients who had undergone primary ACLR with concomitant posterior horn medial meniscal repair through a posteromedial portal between January 2013 and August 2015...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29731319/the-influence-of-tibial-slope-on-the-graft-in-combined-high-tibial-osteotomy-and-anterior-cruciate-ligament-reconstruction
#18
Philipp Schuster, Markus Geßlein, Michael Schlumberger, Philipp Mayer, Jörg Richter
BACKGROUND: Young patients with severe medial osteoarthritis, varus malalignment and insufficiency of the anterior cruciate ligament (ACL) are difficult to treat. The tibial slope has gained attention with regard to osteotomies and ligamentous instability. The purpose was to evaluate the outcome of combined high tibial osteotomy (HTO), ACL reconstruction and chondral resurfacing (CR, abrasion plus microfracture), and to analyse graft failure rates with regard to the tibial slope. METHODS: Fifty cases (48...
May 3, 2018: Knee
https://www.readbyqxmd.com/read/29731316/the-grisel-s-syndrome-a-non-traumatic-subluxation-of-the-atlantoaxial-joint
#19
L Fath, H Cebula, M N Santin, A Coca, C Debry, F Proust
INTRODUCTION: Grisel's syndrome consists in rotational subluxation of C1-C2 following ENT infection or surgery. There is no consensus on management. We present 2 cases requiring surgical treatment in our center. CASE REPORTS: Two 10-year-old patients presented torticollis with cervical pain resistant to medical treatment, with onset a few months after tonsillectomy. In both cases, radiological assessment, comprising CT scan and MRI, showed Fielding-Hawkins type-3 C1-C2 rotational subluxation, without ligament lesion...
May 3, 2018: Neuro-Chirurgie
https://www.readbyqxmd.com/read/29730211/minimizing-graft-tunnel-mismatch-in-allograft-anterior-cruciate-ligament-reconstruction-using-blumensaat-s-line-a-cadaveric-study
#20
Karim Meijer, Michael Saper, Patrick Joyner, Wei Liu, James R Andrews, Charles Roth
PURPOSE: To evaluate the accuracy of Blumensaat's line (BL) in predicting the tendinous graft length and tibial tunnel length (TTL) in an independent-tunnel anterior cruciate ligament reconstruction (ACLR) using a bone-patellar tendon-bone (BTB) allograft. METHODS: Eighteen ACLRs were performed on cadaveric specimens using an anteromedial portal technique. All knees had no previous surgeries or deformities. Lateral knee radiographs of each specimen were taken prior to the ACLR, and BL was measured...
May 2, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
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