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https://www.readbyqxmd.com/read/29767809/pediatric-anterior-cruciate-ligament-reconstruction
#1
Alexia G Gagliardi, Jay C Albright
The rate of anterior cruciate ligament (ACL) ruptures diagnosed among the pediatric and adolescent population is increasing. The rise in ACL injuries may be attributed to earlier sports specialization, year-round sports participation, increased awareness, and improved ability to diagnose the injury. Treatment options for pediatric or adolescent ACL injuries include nonoperative conservative treatment, ACL repair, or various techniques for ACL reconstruction. The best course of treatment for ACL rupture in young patients continues to be debated...
May 1, 2018: Orthopedics
https://www.readbyqxmd.com/read/29728862/the-medial-patellofemoral-complex
#2
REVIEW
Alexander E Loeb, Miho J Tanaka
PURPOSE OF REVIEW: The purpose of this review is to describe the current understanding of the medial patellofemoral complex, including recent anatomic advances, evaluation of indications for reconstruction with concomitant pathology, and surgical reconstruction techniques. RECENT FINDINGS: Recent advances in our understanding of MPFC anatomy have found that there are fibers that insert onto the deep quadriceps tendon as well as the patella, thus earning the name "medial patellofemoral complex" to allow for the variability in its anatomy...
May 4, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29728834/graft-sources-do-not-affect-to-the-outcome-of-transtibial-posterior-cruciate-ligament-reconstruction-a-systematic-review
#3
Yong Seuk Lee, Seung Hoon Lee, O-Sung Lee
INTRODUCTION: Despite numerous published reports on posterior cruciate ligament (PCL) reconstruction in the past 30 years, the ideal graft source remains unclear, and few objective scientific data have been published that thoroughly evaluate the long-term outcomes according to the graft source. We, therefore, conducted a systematic review of available high-quality comparative studies that evaluated clinical and objective stability testing to compare the different graft sources for PCL reconstruction...
May 4, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29705681/midlevel-constraint-without-stem-extensions-in-primary-total-knee-arthroplasty-provides-stability-without-compromising-fixation
#4
David A Crawford, Jesua I Law, Adolph V Lombardi, Keith R Berend
BACKGROUND: Many total knee arthroplasty (TKA) systems allow for so-called midlevel constraint (MLC) articular bearings that can be used with primary implants. The purpose of this study is to report the early outcomes with MLC bearings in primary TKA. MATERIALS/METHODS: From December 2005 to June 2015, minimum 2-year follow-up was available on 96 patients (103 TKA) who underwent primary TKA with an MLC bearing using the Vanguard Total Knee System. Outcomes included pain, Knee Society clinical and functional score, range of motion, and need for revision...
April 9, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29628380/quadriceps-tendon-autograft-in-anterior-cruciate-ligament-reconstruction-a-systematic-review
#5
REVIEW
Eoghan T Hurley, Manuel Calvo-Gurry, Dan Withers, Shane K Farrington, Ray Moran, Cathal J Moran
PURPOSE: To systematically review the current evidence to ascertain whether quadriceps tendon autograft (QT) is a viable option in anterior cruciate ligament reconstruction. METHODS: A literature review was conducted in accordance with Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines. Cohort studies comparing QT with bone-patellar tendon-bone autograft (BPTB) or hamstring tendon autograft (HT) were included. Clinical outcomes were compared, with all statistical analyses performed using IBM SPSS Statistics for Windows, version 22...
April 5, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29613928/the-effect-of-an-acl-reconstruction-in-controlling-rotational-knee-stability-in-knees-with-intact-and-physiologic-laxity-of-secondary-restraints-as-defined-by-tibiofemoral-compartment-translations-and-graft-forces
#6
Frank R Noyes, Lauren E Huser, Martin S Levy
BACKGROUND: The effect of an anterior cruciate ligament (ACL) reconstruction on restoring normal knee kinematics in unstable knees with physiologic laxity of secondary ligamentous restraints remains unknown. The purpose of this study was to determine the stabilizing function of an ACL reconstruction and the resulting ACL graft forces in knees with severely abnormal anterior subluxation due to associated laxity of secondary restraints. METHODS: A 6-degree-of-freedom robotic simulator was used to test 21 cadaveric knees studied as a whole and in subgroups of lax secondary restraints (Lax-SR) and intact secondary restraints (Intact-SR), based on abnormal translations and tibial rotations...
April 4, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29552571/septic-arthritis-after-anterior-cruciate-ligament-reconstruction-clinical-and-functional-outcomes-based-on-graft-retention-or-removal
#7
Brian R Waterman, William Arroyo, Eric J Cotter, Michael A Zacchilli, E'Stephan J Garcia, Brett D Owens
Background: There remains a debate over whether to retain the index anterior cruciate ligament (ACL) graft in the setting of septic arthritis. Purpose: To evaluate and compare clinical outcomes for the treatment of septic arthritis after ACL reconstruction (ACLR) in those with and without early graft retention. Study Design: Case series; Level of evidence, 4. Methods: The Military Health System was queried for all ACLR procedures performed between 2007 and 2013...
March 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29552479/articulated-bone-block-for-posterior-cruciate-ligament-reconstruction-using-bone-patellar-tendon-bone-autograft-surgical-technique-to-facilitate-graft-passage
#8
Ramón Cugat, Eduard Alentorn-Geli, Xavier Cuscó, Jordi Navarro, Gilbert Steinbacher, Pedro Álvarez-Díaz, Roberto Seijas, David Barastegui, Montse García-Balletbó
Posterior cruciate ligament reconstruction using the transtibial technique provides successful clinical outcomes. However, a bone-patellar tendon-bone (BTB) autograft with the transtibial technique has not been used by some surgeons because of concerns with graft passage from the tibial to the femoral tunnels (sharp turn) that can damage graft fibers. In the present surgical technique, an arthroscopic, transtibial, single-bundle technique for posterior cruciate ligament reconstruction using the BTB autograft with an easy and effective technical tip to facilitate graft passage is presented...
February 2018: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29502168/bone-patellar-tendon-bone-autograft-could-be-recommended-as-a-superior-graft-to-hamstring-autograft-for-acl-reconstruction-in-patients-with-generalized-joint-laxity-2-and-5-year-follow-up-study
#9
Sung-Jae Kim, Chong Hyuk Choi, Sung-Hwan Kim, Su-Keon Lee, Wonyong Lee, Taeyup Kim, Min Jung
PURPOSE: The present study aimed to compare 2- and 5-year outcomes of ACL reconstruction between patients with and without generalized joint laxity and to perform comparative evaluation between two types of grafts used for ACL reconstruction in patients with generalized joint laxity. METHODS: Two hundred and thirty-seven patients who underwent ACL reconstruction from 2001 to 2008 were included. Patients were classified into two groups according to the presence or the absence of generalized joint laxity, and further subdivided into two subgroups based on the type of graft used: bone-patellar tendon-bone (BPTB) or hamstring...
March 3, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29488245/in-vivo-patellar-tracking-in-individuals-with-patellofemoral-pain-and-healthy-individuals
#10
Fateme Esfandiarpour, Constance M Lebrun, Sukhvinder Dhillon, Pierre Boulanger
Understanding of the exact cause of patellofemoral pain has been limited by methodological challenges to evaluate in-vivo joint motion. This study compared six degree-of-freedom patellar motion during a dynamic lunge task between individuals with patellofemoral pain and healthy individuals. Knee joints of eight females with patellofemoral pain and ten healthy females were imaged using a CT scanner in supine lying position, then by a dual-orthogonal fluoroscope while they performed a lunge. To quantify patellar motion, the three-dimensional models of the knee bones, reconstructed from CT scans, were registered on the fluoroscopy images using the Fluomotion registration software...
February 28, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29459600/comparative-study-of-patellar-tendon-graft-versus-hamstrings-graft-for-anterior-cruciate-ligament-reconstruction
#11
M A Faisal, A Z Chowdhury, I K Kundu, K N Arifeen, A S Ullah, C I Mahmud, O M Dastagir, M A Islam, M S Paul
Graft selection for primary anterior cruciate ligament reconstruction is very important part of knee stability. The purpose of this Qasi experimental study was to compare the clinical outcomes after ACL reconstruction using either a BPTB graft or a four-strand hamstrings graft and conducted from January 2012 to December 2013. Patients presented with a symptomatic unilateral ACL rupture who were underwent ACL reconstruction by using either BPTB or Hamstrings graft, IPD of Department of Orthopedics at Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka as well as in a private hospital in Dhaka, Bangladesh were selected as study population...
January 2018: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/29453931/comparison-of-return-to-pre-injury-sport-after-10-mm-size-bone-patellar-tendon-bone-bptb-versus-8-mm-hamstring-anterior-cruciate-ligament-reconstruction-a-retrospective-study-with-a-two-year-follow-up
#12
Rimtautas Gudas, Rokas Jurkonis, Alfredas Smailys
BACKGROUND The aim of this study was to evaluate the reconstruction of a torn anterior cruciate ligament (ACL) with 10 mm diameter BPTB (bone-patellar tendon-bone) autograft versus 8 mm HT (hamstring tendon) autografts, to compare the ability to restore pre-injury sports activities and reduce revision risk after these procedures. MATERIAL AND METHODS A prospective clinical review was performed to compare results of patients who underwent primary anatomical ACLR with 10 mm BPTB autografts with patients who underwent 8 mm diameter HT autografts, between January 2011 and January 2014...
February 17, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29447959/effects-of-maturation-and-advanced-glycation-on-tensile-mechanics-of-collagen-fibrils-from-rat-tail-and-achilles-tendons
#13
Rene B Svensson, Stuart T Smith, Patrick J Moyer, S Peter Magnusson
Connective tissues are ubiquitous throughout the body and consequently affect the function of many organs. In load bearing connective tissues like tendon, the mechanical functionality is provided almost exclusively by collagen fibrils that in turn are stabilized by covalent cross-links. Functionally distinct tendons display different cross-link patterns, which also change with maturation, but these differences have not been studied in detail at the fibril level. In the present study, a custom built nanomechanical test platform was designed and fabricated to measure tensile mechanics of individual fibrils from rat tendons...
April 1, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29438635/twenty-year-follow-up-study-comparing-operative-versus-nonoperative-treatment-of-anterior-cruciate-ligament-ruptures-in-high-level-athletes
#14
Daan T van Yperen, Max Reijman, Eline M van Es, Sita M A Bierma-Zeinstra, Duncan E Meuffels
BACKGROUND: An anterior cruciate ligament (ACL) rupture has major consequences at midterm follow-up, with an increasing chance of developing an old knee in a young patient. The long-term (≥20 years) effects of the operative and nonoperative treatment of ACL ruptures are still unclear. PURPOSE: To compare the long-term treatment outcomes of operative versus nonoperative treatment of ACL ruptures in high-level athletes. STUDY DESIGN: Cohort study; Level of evidence, 2...
April 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29426312/anterior-cruciate-ligament-reconstruction-with-quadriceps-tendon-patellar-bone-allograft-matched-case-control-study
#15
Yoon-Ho Kwak, Sahnghoon Lee, Myung Chul Lee, Hyuk-Soo Han
BACKGROUND: Quadriceps tendon-patellar bone (QTPB) autograft is an excellent graft option with good clinical outcome. Use of QTPB autografts have increased because they minimize donor-site morbidity including anterior knee pain, while providing adequate mechanical strength. Although, there were many clinical results about allografts that used in anterior cruciate ligament (ACL) reconstruction, it have never been reported about the clinical outcome of ACL reconstruction with QTPB allograft...
February 9, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29424178/-reconstruction-of-medial-patellofemoral-ligament-with-transposition-of-great-adductor-muscular-tendon-for-the-treatment-of-teenagers-recurrent-patellar-dislocation
#16
Chuan-Qiang Shao, Chang-Chun Chen, Chun-Cheng Zhao, Hong-Mei Yang, Yan-Zhong Kang
OBJECTIVE: To investigate surgical method and clinical curative effects of medial patellofemoral ligament (MPFL) reconstruction with great adductor muscular tendon in treating teenagers' recurrent patellar dislocation. METHODS: From May 2012 to September 2014, 19 patients with recurrent dislocation of patellar, including 6 males and 13 females with an average of 16 years old (ranged from 13 to 17 years), the courses of disease ranged from 3 to 18 months(averaged 6 months)...
June 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349031/modified-elmslie-trillat-procedure-for-distal-realignment-of-patella-tendon
#17
Ricardo Bastos Filho, Alberto Monteiro, Renato Andrade, M J S Fredrick Michael, Nuno Sevivas, Bruno Pereira, André Sarmento, João Espregueira-Mendes
Patellofemoral dysfunction, due to either a patellofemoral malalignment or patellar instability, is a complex and debilitating condition that significantly decreases the knee function. Conservative management may yield significant clinical outcomes; however, when morphologic anomalies are identified, the surgical approach should be employed. Hence, several surgical procedures have been described in the scientific literature aiming the correction of underlying extensor mechanism malalignments. Still, the rate of complications is higher than desirable...
December 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29349002/medial-patellofemoral-ligament-reconstruction-using-dual-patella-docking-technique
#18
Hassan Azimi, Oke Anakwenze
Medial patellofemoral ligament (MPFL) injuries are common in children and young adults. In patients with recurrent patellar dislocations with normal lower-extremity alignment, anatomic reconstruction of the MPFL has been shown to restore patellar stability. We describe a technique that creates an anatomic reconstruction using a dual docking technique into the patella. Our technique is simple and efficacious for reconstructing the MPFL without implant fixation in the patella, allowing a maximal bone-tendon interface for healing...
December 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29344696/reconstruction-of-the-medial-patellotibial-ligament-results-in-favorable-clinical-outcomes-a-systematic-review
#19
Charles A Baumann, Eli L Pratte, Seth L Sherman, Elizabeth A Arendt, Betina B Hinckel
PURPOSE: The medial patellotibial ligament (MPTL), the medial patellofemoral ligament (MPFL), and the medial patellomeniscal ligament (MPML) support the stability of the patellofemoral joint. The purpose of this systematic review was to report the surgical techniques and clinical outcomes of the repair or reconstruction of the MPTL in isolation or concomitant with the MPFL and/or other procedures. METHODS: A systematic review of the literature was conducted. Inclusion criteria were articles in the English language that reported clinical outcomes of the reconstruction of the MPTL in isolation or in combination with the MPFL and/or other procedures...
January 17, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29337596/the-influence-of-graft-fixation-methods-on-revision-rates-after-primary-anterior-cruciate-ligament-reconstruction
#20
Niclas H Eysturoy, Kåre Amtoft Nissen, Torsten Nielsen, Martin Lind
BACKGROUND: The method of graft fixation in primary anterior cruciate ligament (ACL) reconstruction is important for initial stability of the graft. Poor graft fixation can result in failure of the reconstruction. The effect of ACL graft fixation principles and fixation implant combinations on the risk of revision after ACL reconstruction is not well understood. PURPOSE: The study aimed to compare the risk of revision among 4 categories of femoral fixation divided by their principle of function using a hamstring tendon (HT) graft only...
March 2018: American Journal of Sports Medicine
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