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https://www.readbyqxmd.com/read/29191469/role-of-anterolateral-reconstruction-in-patients-undergoing-anterior-cruciate-ligament-reconstruction
#1
REVIEW
C Lutz
There is renewed interest in anterolateral reconstruction (ALR) for patients undergoing anterior cruciate ligament (ACL) reconstruction. This is the result of isolated ACL reconstruction and double-bundle reconstruction providing inadequate control over the pivot shift, and recent anatomical and biomechanical studies on the anterolateral ligament (ALL) and its role in the knee's rotational stability.From a technical point of view, ALR can be performed either as a continuity of the intra-articular ACL reconstruction or an independent procedure...
November 27, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29189529/trends-in-management-and-complications-of-anterior-cruciate-ligament-injuries-in-pediatric-patients-a-survey-of-the-prism-society
#2
Charles A Popkin, Margaret L Wright, Andrew T Pennock, Laura A Vogel, Ajay Padaki, Lauren H Redler, Christopher S Ahmad
BACKGROUND: Anterior cruciate ligament (ACL) injuries have been recognized and treated with increasing frequency in children and adolescents. ACL reconstruction (ACLR) in skeletally immature patients has unique considerations and there is a large practice variation in the management of these injuries. The purpose of this study was to survey the members of the Pediatric Research in Sports Medicine (PRiSM) Society regarding their experience with the management and complications of pediatric ACL injuries...
November 16, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29188420/a-lateral-retinacular-release-during-total-knee-arthroplasty%C3%A2-changes-femorotibial-kinematics-an-in-vitro-study
#3
Arnd Steinbrück, Christian Schröder, Matthias Woiczinski, Alexander Glogaza, Peter E Müller, Volkmar Jansson, Andreas Fottner
INTRODUCTION: Lateral retinacular release (LRR) is a common procedure during total knee arthroplasty (TKA), especially if patellar maltracking is observed intraoperatively. The impact of LRR on patellofemoral kinematics is well-examined, but the influence on femorotibial kinematics requires more elucidation. Therefore, the aim of this study was to evaluate the effects of LRR on femorotibial kinematics in vitro. MATERIALS AND METHODS: A fixed bearing TKA was implanted in six human knee specimens...
November 29, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29173557/secondary-stabilizers-of-tibial-rotation-in-the-intact-and-anterior-cruciate-ligament-deficient-knee
#4
REVIEW
Daniel James Kaplan, Laith M Jazrawi
The controversy regarding the existence and function of the anterolateral ligament or anterolateral complex has reinvigorated interest in rotational stability of the knee joint. This is particularly true of anterolateral rotary instability, as many patients, despite anatomic reconstruction of their anterior cruciate ligament, continue to experience instability. Many experts point toward compromised anterolateral restraints as the underlying culprit, namely, the anterolateral complex, which includes the iliotibial band, anterolateral capsule, lateral meniscus, and lateral collateral ligament...
January 2018: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/29173555/biomechanical-proof-for-the-existence-of-the-anterolateral-ligament
#5
REVIEW
Jorge Chahla, Andrew G Geeslin, Mark E Cinque, Robert F LaPrade
With the recent "description" of the anterolateral ligament (ALL) of the knee, its role in controlling rotational stability has reemerged. An improved understanding of the anatomy of the anterolateral complex of the knee has led to an expansion of the literature on the biomechanics of many structures, including the contribution of the iliotibial band and its deep (Kaplan) fibers, the capsulo-osseous layer, the ALL, and the lateral meniscal posterior root to knee stability. This article describes the primary and secondary roles of key anatomic structures at the anterolateral aspect of the knee...
January 2018: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/29173549/a-layered-anatomic-description-of-the-anterolateral-complex-of-the-knee
#6
REVIEW
Marcin Kowalczuk, Elmar Herbst, Jeremy M Burnham, Marcio Albers, Volker Musahl, Freddie H Fu
Variability in anatomic terminology, dissection protocols, and use of embalmed as opposed to fresh frozen specimens has led to the controversy surrounding the "anterolateral ligament of the knee." Conceptually the complex anatomy of the anterolateral knee is made up of the superficial, middle, deep, and capsulo-osseous layers of the iliotibial band. The anterolateral capsule is deep to these tissues and is directly attached to the lateral meniscus. These structures collectively form the anterolateral complex of the knee...
January 2018: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/29100774/bilateral-hip-arthroscopy-direct-comparison-of-primary-acetabular-labral-repair-and-primary-acetabular-labral-reconstruction
#7
Brian J White, Julie Patterson, Mackenzie M Herzog
PURPOSE: Directly compare primary acetabular labral repair versus primary acetabular labral reconstruction using a self-controlled cohort study design. METHODS: Patients who underwent primary labral repair in one hip and primary labral reconstruction using iliotibial band allograft in the other hip by a single surgeon between August 2009 and November 2014 were identified. One patient with inflammatory arthritis was excluded. Patient-reported outcome data included change in Modified Harris Hip Score (MHHS), Lower Extremity Functional Scale (LEFS), average pain using a 10-point visual analog scale (VAS), and patient satisfaction (1: very dissatisfied, 10: very satisfied)...
October 31, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29099891/paraskiing-crash-and-knee-dislocation-with-multiligament-reconstruction-and-iliotibial-band-repair
#8
Chase S Dean, Olivia Fernandes, Mark E Cinque, Jorge Chahla, Robert F LaPrade
We describe the diagnosis, treatment, rehabilitation, and complications of a 27-year-old male paraskiier who sustained a closed high-velocity knee dislocation after colliding with a tree at a speed of 45 mph and falling 40 feet to the ground. Extensive surgery to repair and reconstruct the knee included open lateral capsular repair, open anatomical posterolateral corner reconstruction with split Achilles tendon allograft, open iliotibial band reconstruction with Achilles tendon allograft, arthroscopic anterior cruciate ligament reconstruction with bone-patellar tendon-bone autograft, and double-bundle posterior cruciate ligament reconstruction with Achilles tendon allograft for the anterolateral bundle and tibialis anterior tendon allograft for the posteromedial bundle...
September 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/29066133/enhancement-of-cricothyroidotomy-education-using-a-novel-technique-cadaver-autografting
#9
Ryan F Coughlin, Iris Chandler, John C Binford, James W Bonz, David C Hile
BACKGROUND: Cricothyroidotomy is a lifesaving procedure required in up to 2% of emergent airways. Emergency medicine training programs frequently instruct this procedure via cadaver training, but cadaver cost and availability limit the opportunity for all trainees to perform the critical initial skin incision. Cadaver autografting is a novel way to simulate all steps of the procedure. OBJECTIVE: Our aim was to determine whether the technique of autografting cadaver tissue improves the experience of cricothyroidotomy simulation education for emergency medicine trainees...
October 21, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29064870/biomechanical-evaluation-of-pediatric-anterior-cruciate-ligament-acl-reconstruction-techniques-with-and-without-the-anterolateral-ligament-all
#10
Natasha Trentacosta, James L Pace, Melodie Metzger, Max Michalski, Trevor Nelson, Landon Polakof, Bert Mandelbaum
BACKGROUND: Two popular physeal-sparing procedures used in the management of anterior cruciate ligament (ACL) injuries in skeletally immature patients are the iliotibial band (ITB) ACL reconstruction (ACLR) and the all-epiphyseal (AE) ACLR. Although there has been concern for overconstraint of the lateral compartment of the knee with the ITB ACLR technique, rotational stability, as provided by the anterolateral ligament (ALL) and ACL, has not been assessed in the setting of pediatric ACLR techniques...
October 23, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29051903/the-anterolateral-complex-of-the-knee
#11
Elmar Herbst, Marcio Albers, Jeremy M Burnham, Freddie H Fu, Volker Musahl
BACKGROUND: Significant controversy exists regarding the anterolateral structures of the knee. PURPOSE: To determine the layer-by-layer anatomic structure of the anterolateral complex of the knee. STUDY DESIGN: Descriptive laboratory study. METHODS: Twenty fresh-frozen cadaveric knees (age range, 38-56 years) underwent a layer-by-layer dissection to systematically expose and identify the various structures of the anterolateral complex...
October 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29032422/the-deep-layer-of-the-tractus-iliotibialis-and-its-relevance-when-using-the-direct-anterior-approach-in-total-hip-arthroplasty-a-cadaver-study
#12
David Putzer, Matthias Haselbacher, Romed Hörmann, Günter Klima, Michael Nogler
INTRODUCTION: Surgical approaches through smaller incisions reveal less of the underlying anatomy, and therefore, detailed knowledge of the local anatomy and its variations is important in minimally invasive surgery. The aim of this study was to determine the location, extension, and histomorphology of the deep layer of the iliotibial band during minimally invasive hip surgery using the direct anterior approach (DAA). MATERIALS AND METHODS: The morphology of the iliotibial tract was determined in this cadaver study on 40 hips with reference to the anterior superior iliac spine and the tibia...
October 14, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28990718/limb-sparing-sarcoma-reconstruction-with-functional-composite-thigh-flaps
#13
John T Stranix, Z-Hye Lee, Gretl Lam, Joshua Mirrer, Timothy Rapp, Pierre B Saadeh
INTRODUCTION: Innervated muscle transfer can improve functional outcomes after extensive limb-sparing sarcoma resections. We report our experience using composite thigh flaps for functional reconstruction of large oncologic extremity defects. PATIENTS AND METHODS: Between 2011 and 2014, four limb-sparing oncologic resections (3 lower extremities, 1 upper extremity) underwent immediate functional reconstruction with composite thigh free flaps in three males and one female...
October 9, 2017: Microsurgery
https://www.readbyqxmd.com/read/28970120/an-anatomic-study-of-trifurcate-iliotibial-bands-for-correcting-valgus-knee-deformity
#14
Yu-Hang Zhu, Qin-Li Xu, Guo-Dong Liang, Yun-Tao Wu, You-Qiong Li, Qing-San Zhu
BACKGROUND: The iliotibial band (ITB) trifurcates into the anterior, central and posterior branches at the knee level, and sometimes the branches must be selectively released to correct the valgus knee deformity during total knee arthroplasty. However, the anatomical morphology of the trifurcate ITBs has not been investigated. METHODS: Fifty-two knees from 26 embalmed cadavers were dissected to observe and record the relationship of the three branches given off from the ITB trifurcation...
September 29, 2017: Knee
https://www.readbyqxmd.com/read/28967055/clinical-and-functional-outcomes-after-augmented-hip-abductor-tendon-repair
#15
Jay R Ebert, Thomas A Bucher, Conor J Mullan, Gregory C Janes
INTRODUCTION: Hip abductor tendon (HAT) tearing is commonly implicated in greater trochanteric pain syndrome. Surgical studies are often reported in small cohorts and with limited information on functional improvement. This study reports the clinical and functional outcomes after HAT repair. METHODS: 112 patients with symptomatic HAT tears, diagnosed via magnetic resonance imaging, underwent open bursectomy, V-Y lengthening of the iliotibial band, debridement of the diseased tendon, decortication of the trochanteric foot-plate and reattachment of the tendon with suture anchors, augmented with a LARS ligament through a trans-osseous tunnel...
September 21, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28955685/external-snapping-hip-treated-by-effective-designed-n-plasty-of-the-iliotibial-band
#16
Jong-Seok Park, Woo-Jong Kim, Dhong-Won Lee, Jae-Wan Soh, Sung-Hun Won, Sang-Woo Lee, Sang-Il Moon, Hyoung-Ye Kim
PURPOSE: The purpose of this study is to present the effective design of N-plasty of the iliotibial band and surgical results of its use as a treatment for refractory external snapping hip. MATERIALS AND METHODS: We evaluated 17 patients (24 cases) with external snapping hip who underwent N-plasty between October 2013 and May 2016 and who were followed up for at least 12 months. All patients were male and the mean age was 20.8 years. The mean duration of symptoms prior to surgical intervention was 28...
September 2017: Hip & Pelvis
https://www.readbyqxmd.com/read/28893388/the-imaging-findings-of-impingement-syndromes-of-the-lower-limb
#17
REVIEW
M De Maeseneer, S Wuertzer, J de Mey, M Shahabpour
In this article we provide an overview of impingement syndromes of the lower limb. At the level of the hip, femoroacetabular and ischiofemoral impingement are recognised. At the level of the knee, we discuss Hoffa's fat pad impingement, suprapatellar fat pad impingement, pericruciate impingement, and iliotibial band syndrome. The impingement syndromes associated with anterior cruciate ligament (ACL) repair and intercondylar osteophytes are also illustrated. Most impingement syndromes are described at the level of the ankle...
September 8, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28844344/patellofemoral-contact-pressures-after-patellar-distalization-a-biomechanical-study
#18
Justin S Yang, John P Fulkerson, Elifho Obopilwe, Andreas Voss, Jessica Divenere, Augustus D Mazzocca, Cory M Edgar
PURPOSE: To measure the patellofemoral contact pressure in early flexion after a tibial tubercle distalization osteotomy. METHODS: Ten matched-pair fresh-frozen cadaveric knees were studied. The average Blackburne-Peel ratio of the native knees was 0.91. The knees were placed on a testing rig, with a fixed femur and tibia mobile through 90° of flexion. Individual quadriceps heads and the iliotibial band were separated and loaded with 205 N in anatomic directions using a weighted pulley system...
November 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28809635/-clinical-results-of-endoscopic-treatment-of-greater-trochanteric-pain-syndrome
#19
P Zeman, M Rafi, P Skala, J Zeman, J Matějka, T Pavelka
PURPOSE OF THE STUDY This retrospective study aims to present short-term clinical outcomes of endoscopic treatment of patients with greater trochanteric pain syndrome (GTPS). MATERIAL AND METHODS The evaluated study population was composed of a total of 19 patients (16 women, 3 men) with the mean age of 47 years (19-63 years). In twelve cases the right hip joint was affected, in the remaining seven cases it was the left side. The retrospective evaluation was carried out only in patients with greater trochanteric pain syndrome caused by independent chronic trochanteric bursitis without the presence of m...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28789872/mechanical-analysis-of-extra-articular-knee-ligaments-part-two-tendon-grafts-used-for-knee-ligament-reconstruction
#20
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
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