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https://www.readbyqxmd.com/read/28806096/results-of-anterior-cruciate-ligament-reconstruction-with-patellar-tendon-autografts-objective-factors-associated-with-the-development-of-osteoarthritis-at-20-to-33-years-after-surgery
#1
K Donald Shelbourne, Rodney W Benner, Tinker Gray
BACKGROUND: Few studies exist that report objective radiographic and physical examination results at >20 years after anterior cruciate ligament (ACL) reconstruction. HYPOTHESIS: The risk of osteoarthritis (OA) at >20 years after surgery would be statistically significantly higher if an increased severity of factors was present. STUDY DESIGN: Cohort study; Level of evidence, 2. METHODS: Between 1982 and 1994, 1428 knees met the inclusion criteria of being primary ACL surgery, having no existing OA or other ligamentous laxity, and having no known graft tear...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28804728/relationships-of-muscle-function-and-subjective-knee-function-in-patients-after-acl-reconstruction
#2
Stephan Bodkin, John Goetschius, Jay Hertel, Joe Hart
BACKGROUND: After anterior cruciate ligament reconstruction (ACLR), relationships between objective measures of muscle function and patient-reported outcomes may change over time. Examining these measures at different time frames after surgery may help develop individualized approaches to improve post-ALCR analysis. PURPOSE: To examine the associations between subjective knee function and lower-extremity muscle function in individual patients at various time points after ACLR...
July 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28801704/no-clinical-differences-between-anteromedial-portal-and-transtibial-technique-for-femoral-tunnel-positioning-in-anterior-cruciate-ligament-reconstruction-a-prospective-randomized-controlled-trial
#3
Peter MacDonald, Chris Kim, Sheila McRae, Jeff Leiter, Ryan Khan, Daniel Whelan
PURPOSE: The anteromedial (AMP) portal technique was introduced to position the femoral tunnel in anterior cruciate ligament (ACL) reconstruction to more closely replicate the original ACL footprint compared to the transtibial (TT) approach. Few randomized trials have evaluated differences in these techniques with respect to clinical outcomes. The purpose of this study was to determine if there are any differences in clinical outcome between the AMP and TT approaches. METHODS: This is a single-blinded, prospective, randomized controlled trial...
August 11, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28800919/similar-outcomes-after-osteochondral-allograft-transplantation-in-anterior-cruciate-ligament-intact-and-reconstructed-knees-a-comparative-matched-group-analysis-with-minimum-2-year-follow-up
#4
Dean Wang, Claire D Eliasburg, Tim Wang, Ryan R Fader, Francesca R Coxe, Mollyann D Pais, Riley J Williams
PURPOSE: To compare failure rates and clinical outcomes of osteochondral allograft transplantation (OCA) in anterior cruciate ligament (ACL)-intact versus ACL-reconstructed knees at midterm follow-up. METHODS: After a priori power analysis, a prospective registry of patients treated with OCA for focal chondral lesions ≥2 cm(2) in size with minimum 2-year follow-up was used to match ACL-reconstructed knees with ACL-intact knees by age, sex, and primary chondral defect location...
August 8, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28800853/the-anterolateral-ligament-anatomic-implications-for-its-reconstruction
#5
Neri Thomas, Palpacuer Fabien, Testa Rodolphe, Bergandi Florian, Boyer Bertrand, Farizon Frederic, Philippot Remi
BACKGROUND: The purpose of this study was to define the best anatomic parameters with which to perform an accurate anterolateral ligament (ALL) reconstruction. These parameters were anatomical insertions, allowing favorable isometry, length variation during flexion, and anthropometric predictors of ALL lengths. METHODS: A total of 84 fresh-frozen cadaver knees were dissected to analyze the ALL, focusing on its femoral insertion. The ALL length was measured in different degrees of flexion (extension, 30°, 60°, and 90° of flexion) and rotation (neutral, internal or external rotation)...
August 8, 2017: Knee
https://www.readbyqxmd.com/read/28797872/the-diameter-of-single-bundle-hamstring-autograft-does-not-significantly-influence-revision-rate-or-clinical-outcomes-after-anterior-cruciate-ligament-reconstruction
#6
Gregory C Wernecke, Alex Constantinidis, Ian A Harris, Bradley G Seeto, Darren B Chen, Samuel J MacDessi
BACKGROUND: Anterior cruciate ligament (ACL) graft failure is a complication of ACL reconstruction (ALCR). Smaller autograft diameter may be a contributing factor. Our aim was to determine if hamstring autograft diameter influences graft rupture and patient-reported outcome scores. METHODS: This study included 786 consecutive patients undergoing primary, single bundle, autograft hamstring ACLR. The primary outcome was revision ACLR surgery. Secondary outcomes were patient reported International Knee Documentation Committee (IKDC) score, Knee Injury & Osteoarthritis Outcome Score (KOOS) and Tegner Activity score...
August 7, 2017: Knee
https://www.readbyqxmd.com/read/28791834/the-effect-of-platelet-rich-plasma-in-bone-tendon-integration
#7
İsmail Ağır, Mahmut Nedim Aytekin, Fatih Küçükdurmaz, Barış Kocaoğlu, Sule Çetinel, Mustafa Karahan
BACKGROUND: The operative reconstruction of a torn or insufficient anterior cruciate ligament has become a routine surgical procedure in orthopedics. The long-term success of an anterior cruciate ligament reconstruction depends on the ability of the graft to heal adequately in a bone tunnel. Investigators studying reconstructions described healing within a tunnel as osseous ingrowth and incorporation. In particular, helping the healing using autologous material for the best integration process was a new idea that helped us to set up this study...
March 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28789873/double-bundle-anterior-cruciate-ligament-reconstruction-with-and-without-remnant-preservation-comparison-of-early-postoperative-outcomes-and-complications
#8
Hiroshi Nakayama, Syunichiro Kambara, Tomoya Iseki, Ryo Kanto, Kenji Kurosaka, Shinichi Yoshiya
BACKGROUND: To compare the early postoperative outcomes and complications of double-bundle anterior cruciate ligament (ACL) reconstruction with and without remnant preservation. METHODS: The study population comprised 125 consecutive knees that underwent double-bundle ACL reconstruction using hamstring autograft. Among the 125 knees, remnant preservation was indicated for 50 knees, while standard double-bundle reconstruction was performed in the remaining 75 knees...
August 5, 2017: Knee
https://www.readbyqxmd.com/read/28789872/mechanical-analysis-of-extra-articular-knee-ligaments-part-two-tendon-grafts-used-for-knee-ligament-reconstruction
#9
Kristof Smeets, Johan Bellemans, Lennart Scheys, Bert O Eijnde, Joshua Slane, Steven Claes
OBJECTIVES: The aim of this study was to provide information about the mechanical properties of grafts used for knee ligament reconstructions and to compare those results with the mechanical properties of native knee ligaments. METHODS: Eleven cadaveric knees were dissected for the semitendinosus, gracilis, iliotibial band (ITB), quadriceps and patellar tendon. Uniaxial testing to failure was performed using a standardized method and mechanical properties (elastic modulus, ultimate stress, ultimate strain, strain energy density) were determined...
August 5, 2017: Knee
https://www.readbyqxmd.com/read/28783555/hamstring-and-calf-muscle-activation-as-a-function-of-bodyweight-support-during-treadmill-running-in-acl-reconstructed-athletes
#10
Clint Hansen, Einar Einarson, Athol Thomson, Rodney Whiteley, Erik Witvrouw
Rehabilitation after injury and reconstruction to the anterior cruciate ligament is thought to require a gradual reintroduction of loading, particularly during resumption of running. One strategy to achieve this is via the use of a reduced-gravity treadmill but it is unknown, if and how muscle activity varies in the reduced gravity conditions compared to regular treadmill running. Nineteen healthy participants and 18 male patients at the end of their rehabilitation (8 with a bone-patellar-bone graft, 10 with a hamstring graft) participated in this multi-muscle surface electromyography (sEMG) running study...
July 29, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28781974/do-major-league-baseball-team-physicians-harvest-the-semitendinosus-from-the-drive-leg-or-landing-leg-when-performing-ulnar-collateral-ligament-reconstruction-on-elite-baseball-pitchers
#11
Brandon J Erickson, Peter N Chalmers, Jeffrey R Dugas, Bernard R Bach, Gregory P Nicholson, Nikhil N Verma, Christopher S Ahmad, Anthony A Romeo
BACKGROUND: Hamstring autograft is a common graft choice when performing ulnar collateral ligament reconstruction (UCLR). PURPOSE/HYPOTHESIS: The purpose of this study was to survey Major League Baseball (MLB) team physicians and determine whether these physicians harvest the hamstring (semitendinosus or gracilis) from the drive leg (ipsilateral to surgical site) or landing leg (contralateral to surgical site) when performing UCLR on elite-level pitchers. The hypothesis was that the majority of surgeons harvest the hamstring from the drive leg when performing a UCLR...
July 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28777156/deep-transverse-metacarpal-ligament-reconstruction-using-suture-button-and-a1-pulley
#12
Joshua Piercey, Paul McEniery, Nicholas Green
Rupture of the deep transverse metacarpal ligament (DTML) can result in pain, impaired grip strength, and undermine functional performance of the hand. We describe the case of a patient whose right hand came into contact with a boat propeller. He sustained a complete disruption of the DTML between the second and third ray in addition to soft tissue injury and open metacarpal fractures. Although other techniques describe a reconstruction of the DTML, our technique describes an adjunctive technique that strongly augments the A1 pulley reconstruction and nullifies the requirements of palmaris longus graft...
August 3, 2017: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/28776631/diffuse-pigmented-villonodular-synovitis-as-a-rare-cause-of-graft-failure-following-anterior-cruciate-ligament-reconstruction
#13
Rajiv Rajani, Liliana Ogden, Christopher J Matthews, C Parker Gibbs
This case report describes a 42-year-old woman who was diagnosed with pigmented villonodular synovitis (PVNS) in the knee. The patient had received a bone-patella tendon-bone autograft reconstruction of her anterior cruciate ligament (ACL) 22 years prior to her diagnosis of PVNS. After a traumatic event that tore her ACL graft, she underwent a second surgery to repair the initial reconstruction. However, her pain and joint instability remained unresolved. When radiolucent lesions in her tibia and femur were identified through a radiographic image, the patient was referred to the authors' orthopedic oncology clinic...
August 3, 2017: Orthopedics
https://www.readbyqxmd.com/read/28764289/evaluation-of-donor-site-morbidity-associated-with-iliac-crest-bone-harvest-in-oral-and-maxillofacial-reconstructive-surgery
#14
K N V Sudhakar, Rajat Mohanty, Vaibhav Singh
INTRODUCTION: Iliac crest is the most common donor site for autogenous bone grafting as cortical bone, cancellous bone or combination of both can be harvested in abundance depending upon the need. Ilium provides highest concentration of osteo-component cells and greater quality of bone with less morbidity. AIM: The study was conducted to evaluate the donor site morbidity associated with autogenous iliac crest bone grafting for reconstruction in maxillofacial surgery...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28763623/the-effects-of-anterolateral-tenodesis-on-tibiofemoral-contact-pressures-and-kinematics
#15
Eivind Inderhaug, Joanna M Stephen, Hadi El-Daou, Andy Williams, Andrew A Amis
BACKGROUND: Anterolateral tenodeses are increasingly popular in combination with intra-articular anterior cruciate ligament reconstructions. Despite the perception of risk of overconstraint and lateral osteoarthritis, evidence is lacking regarding the effect of graft tensioning on knee kinematics and intra-articular compartmental joint pressures. PURPOSE: To investigate tibiofemoral joint contact pressures and kinematics related to an anterolateral lesion and the effectiveness of a MacIntosh tenodesis in restoring these when varying (1) graft tension and (2) tibial rotation during graft fixation...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28760028/correction-of-severe-spinopelvic-mismatch-decreased-blood-loss-with-lateral-hyperlordotic-interbody-grafts-as-compared-with-pedicle-subtraction-osteotomy
#16
Jean-Christophe Leveque, Vijay Yanamadala, Quinlan D Buchlak, Rajiv K Sethi
OBJECTIVE Pedicle subtraction osteotomy (PSO) provides extensive correction in patients with fixed sagittal plane imbalance but is associated with high estimated blood loss (EBL). Anterior column realignment (ACR) with lateral graft placement and sectioning of the anterior longitudinal ligament allows restoration of lumbar lordosis (LL). The authors compare peri- and postoperative measures in 2 groups of patients undergoing correction of a sagittal plane imbalance, either through PSO or the use of lateral lumbar fusion and ACR with hyperlordotic (20°-30°) interbody cages, with stabilization through standard posterior instrumentation in all cases...
August 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28758294/periodontitis-facts-fallacies-and-the-future
#17
REVIEW
Jørgen Slots
This volume of Periodontology 2000 represents the 25th anniversary of the Journal, and uses the occasion to assess important advancements in periodontology over the past quarter-century as well as the hurdles that remain. Periodontitis is defined by pathologic loss of the periodontal ligament and alveolar bone. The disease involves complex dynamic interactions among active herpesviruses, specific bacterial pathogens and destructive immune responses. Periodontal diagnostics is currently based on clinical rather than etiologic criteria, and provides limited therapeutic guidance...
October 2017: Periodontology 2000
https://www.readbyqxmd.com/read/28756467/no-difference-in-graft-healing-or-clinical-outcome-between-trans-portal-and-outside-in-techniques-after-anterior-cruciate-ligament-reconstruction
#18
Jae-Ang Sim, Jong-Min Kim, SahngHoon Lee, Eun-Kyoo Song, Jong-Keun Seon
PURPOSE: The purpose of this study was to compare femoral tunnel geometry including tunnel position, length, and graft bending angle between trans-portal and outside-in techniques in anterior cruciate ligament (ACL) reconstruction and discover whether such differences in tunnel geometry could influence graft healing or clinical outcome. METHODS: Sixty-four patients with anatomical single-bundle ACL reconstruction performed with either trans-portal technique (32 patients, one centre) or outside-in technique (32 patients, the other centre) were included in this retrospective study...
July 29, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28756466/anatomic-and-non-anatomic-anterior-cruciate-ligament-posterolateral-bundle-augmentation-affects-graft-function
#19
Can Yapici, Levent Surer, Kenan Keklikci, Dongliang Shi, Soheil Sabzevari, Monica A Linde, Patrick Smolinski, Freddie H Fu
PURPOSE: The purpose of this study is to compare knee laxity and graft function (tissue force) between anatomic and non-anatomic posterolateral (PL) bundle augmentation. METHODS: Twelve (n = 12) fresh-frozen mature, unpaired porcine knees were tested using a robotic testing system. Four knee states were compared: (a) intact anterior cruciate ligament (ACL), (b) deficient PL and intermediate bundles, (c) anatomic PL augmentation, and (d) non-anatomic PL augmentation...
July 29, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28753392/cortical-button-versus-cross-pin-femoral-fixation-for-hamstring-anterior-cruciate-ligament-reconstruction-a-meta-analysis-of-randomized-controlled-trials
#20
Hai Jiang, Guangzhi Ma, Qi Li, Yanqing Hu, Jian Li, Xin Tang
BACKGROUND: Incidences of graft rupture are associated with postoperative knee laxity after anterior cruciate ligament (ACL) reconstruction. Reports of postoperative knee laxity after ACL reconstruction using different femoral fixation techniques in several studies are controversial. PURPOSE: To compare, via meta-analysis of randomized controlled trials (RCTs), the clinical outcomes and postoperative knee laxity of autogenous hamstring ACL reconstruction using cortical button versus cross-pin femoral fixation...
July 1, 2017: American Journal of Sports Medicine
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