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Lateral collateral ligament knee treatment

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https://www.readbyqxmd.com/read/27726747/unraveling-the-posterolateral-corner-of-the-knee
#1
Humberto G Rosas
Although rare, posterolateral corner (PLC) injuries can result in sustained instability and failed cruciate ligament reconstruction if they are not diagnosed. The anatomy of the PLC was once thought to be perplexing and esoteric-in part because of the varying nomenclature applied to this region in the literature, which added unnecessary complexity. More recently, three major structures have been described as the primary stabilizers of the PLC on the basis of biomechanical study findings: the lateral collateral ligament, popliteus tendon, and popliteofibular ligament...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27552452/platelet-rich-plasma-prp-in-orthopedic-sports-medicine
#2
Ryan A Mlynarek, Andrew W Kuhn, Asheesh Bedi
The use of platelet-rich plasma (PRP) injections in the treatment of musculoskeletal conditions has become more prevalent in recent years. Current literature has exhibited that PRP injections are relatively safe and can potentially accelerate or augment the soft tissue healing process. This review presents the most current literature update on the use of PRP in the treatment of rotator cuff tears, osteoarthritis of the knee, ulnar collateral ligament tears, lateral epicondylitis, hamstring injuries, and Achilles tendinopathy...
July 2016: American Journal of Orthopedics
https://www.readbyqxmd.com/read/27507843/the-influence-of-meniscal-and-anterolateral-capsular-injury-on-knee-laxity-in-patients-with-anterior-cruciate-ligament-injuries
#3
Volker Musahl, Ata A Rahnemai-Azar, Joanna Costello, Justin W Arner, Freddie H Fu, Yuichi Hoshino, Nicola Lopomo, Kristian Samuelsson, James J Irrgang
BACKGROUND: The role of the anterolateral capsule (ALC) as a secondary restraint to quantitative rotatory laxity of patients with an anterior cruciate ligament (ACL) injury is currently debated. PURPOSE/HYPOTHESIS: The purpose was to determine the influence of concomitant ALC injuries as well as injuries to other soft tissue structures on rotatory knee laxity in patients with an ACL injury. It was hypothesized that a concomitant ALC injury would be associated with increased rotatory knee laxity as measured during a quantitative pivot-shift test...
December 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27505964/-surgical-treatment-of-multiple-ligament-injuries-of-knee-joints
#4
Hua Xu, Yi-min Chen, Li-feng Zhai, Da-wei Bi
OBJECTIVE: To study operative effects for the treatment of multiple ligament injuries of knee joints. METHODS: From 2008 to 2013, 26 patients (17 males and 9 females) with multiple ligament injuries of knee joints were treated surgically. The average age was 40.7 years old, ranging from 29 to 55 years old. All the patients were treated with arthroscopic reconstruction of cruiate ligament with autogenous or allogeneic hamstrings and tendon, and at the same time received repair of medial collateral ligament and lateral collateral ligament, as well as the treatment of exterior and interior complex injuries...
May 2016: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/27505954/-clinical-effect-of-staged-repair-and-reconstruction-of-multiple-ligament-injuries-in-knee-joints
#5
Zhen Lai, Zhi-xiang Liu, Jun-long Yang, Zhao-fei Zhang, Yi-liang Chang
OBJECTIVE: To evaluate clinical outcomes of anterior cruciate ligament (ACL) and posterior cruciate ligament (PCL) reconstruction under arthroscopy combined with limited open repair of medial collateral ligament (MCL) for the treatment of multiple ligament injuries of knee joints. METHODS: From March 2006 and June 2012,the data of 14 patients (14 knees) with multiple injuries of ACL, PCL, and MCL were collected. There were 8 males and 6 females with an average age of (31...
May 2016: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/27435334/acute-mcl-and-acl-injuries-first-results-of-minimal-invasive-mcl-ligament-bracing-with-combined-acl-single-bundle-reconstruction
#6
A Ateschrang, S Döbele, T Freude, U Stöckle, S Schröter, T M Kraus
BACKGROUND: There is an on-going discussion whether to operatively treat combined grade II and III lesions of the medial collateral ligament (MCL) with anterior cruciate ligament (ACL) in the acute phase rather than conservative treatment of the MCL lesion with a delayed unitary ACL replacement. Another issue is the question how to technically address these MCL lesions. The aim of this study was, therefore, to analyze the results of simultaneous ACL replacement (hamstrings) in a single-bundle technique with a simultaneous MCL ligament bracing procedure...
September 2016: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/27339584/acute-patellar-dislocation-with-multiple-ligament-injuries-after-knee-dislocation-and-single-session-reconstruction
#7
Gokay Gormeli, Cemile Ayse Gormeli, Mustafa Karakaplan, Sukru Gurbuz, Zeynep Ozdemir, Mustafa Ozer
Knee dislocation is a relatively rare condition of all orthopaedic injuries. Accompanying multiple ligament injuries are common after knee dislocations. A 41-year-old male presented to the emergency department suffering from right knee dislocation in June 2013. The patient had anterior cruciate ligament, medial collateral ligament (MCL), medial patellofemoral ligament (MPFL) rupture, and lateral meniscal tear. A single-bundle anatomic reconstruction, medial collateral ligament reconstruction, medial patellofemoral ligament reconstruction and meniscus repair were performed in single session...
June 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27274455/anatomic-reconstruction-of-the-proximal-tibiofibular-joint
#8
Brent T Warner, Samuel G Moulton, Tyler R Cram, Robert F LaPrade
Proximal tibiofibular joint (PTFJ) instability can be easily missed or confused for other, more common lateral knee pathologies such as meniscal tears, fibular collateral ligament injury, biceps femoris pathology, or iliotibial band syndrome. Because of this confusion, some authors believe that PTFJ instability is more common than initially appreciated. Patients with PTFJ subluxation may have no history of inciting trauma or injury, and it is not uncommon for these patients to have bilateral symptoms and generalized ligamentous laxity...
February 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27062009/surgical-outcomes-of-medial-versus-lateral-multiligament-injured-dislocated-knees
#9
Alexander H King, Aaron J Krych, Matthew R Prince, Ayoosh Pareek, Michael J Stuart, Bruce A Levy
PURPOSE: To compare clinical and functional outcomes of surgically treated medial and lateral knee dislocations. METHODS: A retrospective review of the medical records of patients who presented with knee dislocations was conducted. We identified patients who underwent surgical treatment of KDIII-M (anterior cruciate ligament/posterior cruciate ligament/medial collateral ligament) or KDIII-L (anterior cruciate ligament/posterior cruciate ligament/lateral collateral ligament) knee dislocation as documented by the Schenck classification...
September 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/26709560/nonligamentous-soft-tissue-pathology-about-the-knee-a-review
#10
REVIEW
Brandon J Erickson, Kevin Campbell, Gregory L Cvetanovich, Joshua D Harris, Bernard R Bach, Seth L Sherman
Knee pain is one of the most frequent complaints evaluated by orthopedic surgeons. It encompasses a broad range of pathology and can present in a variety of ways. Most of this pain can be attributed to essential structures of the knee, including the menisci, cruciate or collateral ligaments, and articular cartilage. However, there are underrecognized structures in and around the knee that can frequently be a cause of knee pathology and pain. Knee pain stemming from these structures may be missed or incorrectly diagnosed, and these patients often present for second and third opinions because of failure to diagnose and treat the underlying pathology...
January 2016: Orthopedics
https://www.readbyqxmd.com/read/26538753/proximal-tibiofibular-joint-rendezvous-with-a-forgotten-articulation
#11
REVIEW
Amitav Sarma, Bhaskar Borgohain, Bishwajeet Saikia
The proximal tibiofibular joint (PTFJ) is a plane type synovial joint. The primary function of the PTFJ is dissipation of torsional stresses applied at the ankle and the lateral tibial bending moments besides a very significant tensile, rather than compressive weight bearing. Though rare, early diagnosis and treatment of the PTFJ dislocation are essential to prevent chronic joint instability and extensive surgical intervention to restore normal PTFJ biomechanics, ankle and knee function, especially in athletes prone to such injuries...
September 2015: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/26535381/reconstruction-of-the-posterolateral-corner-after-sequential-sectioning-restores-knee-kinematics
#12
Stephane Plaweski, Baptiste Belvisi, Alexandre Moreau-Gaudry
BACKGROUND: Various surgical techniques to treat posterolateral knee instability have been described. To date, the recommended treatment is an anatomic form of reconstruction in which the 3 key structures of the posterolateral corner (PLC) are addressed: the popliteofibular ligament, the popliteus tendon, and the lateral collateral ligament. PURPOSE/HYPOTHESIS: The purpose of this study was to identify the role of each key structure of the PLC in kinematics of the knee and to biomechanically analyze a single-graft, fibular-based reconstruction that replicates the femoral insertions of the lateral collateral ligament and popliteus to repair the PLC...
February 2015: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/26466471/-effectiveness-of-anterior-knee-incision-by-patellar-longitudinal-approach-for-osteotomy-in-treatment-of-distal-femoral-type-c-fractures
#13
Jingri Jin, Hongge Ren, Yanqun Liu, Ri Jin, Lin Li
OBJECTIVE: To investigate the effectiveness of anterior knee incision by the patellar longitudinal approach for osteotomy in treating type C fractures of the distal femur. METHODS: Between March 2010 and June 2014, 36 patients with type C fractures of the distal femur underwent fracture reduction and internal fixation by patellar longitudinal approach for osteotomy. There were 25 males and 11 females, aged 26-72 years (mean, 49 years). Injury causes included traffic accident injury (19 cases), falling injury from height (8 cases), and crushing injury (9 cases)...
June 2015: Chinese Journal of Reparative and Reconstructive Surgery
https://www.readbyqxmd.com/read/26462339/-effectiveness-of-one-stage-repair-and-reconstruction-of-traumatic-dislocation-of-knee-joint-combined-with-multiple-ligament-injuries
#14
Wu Jiang, Jianhua Yao, Dejia Kong, Wei Sun, Yan Huang, Huayong Zheng, Chen Liu, Xianguo Bao
OBJECTIVE: To investigate the effectiveness of one-stage repair and reconstruction of multiple ligament injuries of the knee under arthroscopy. METHODS: Between March 2007 and March 2009, 25 patients (25 knees) with multiple ligament injuries of the knee underwent one-stage repair and reconstruction under arthroscopy. Of 25 cases, 16 were male and 9 were female with an average age of 29.6 years (range, 18-43 years). The causes of injury were traffic accident injury in 20 cases, falling injury from height in 3 cases, and sport injury in 2 cases...
July 2014: Chinese Journal of Reparative and Reconstructive Surgery
https://www.readbyqxmd.com/read/26447688/estrogen-receptor-er-%C3%AE-%C3%AE-and-progesterone-receptor-pr-mediates-changes-in-relaxin-receptor-rxfp1-and-rxfp2-expression-and-passive-range-of-motion-of-rats-knee
#15
Firouzeh Dehghan, Ashril Yusof, Sekaran Muniandy, Naguib Salleh
PURPOSE: The high risk of knee injuries in female may be associated with sex-steroid hormone fluctuations during the menstrual cycle by its effect on ligaments and tendons stiffness. This study examined changes in knee range of motion in presence of estrogen and progesterone and investigated the interaction of their antagonists to relaxin receptors. METHOD: Sixty WKY rats were divided into 10 different groups receiving 17β-estradiol (0.2, 2, 20 and 50 μg/kg), progesterone (4 mg/kg), estrogen receptor (ER) antagonist ICI 182/780, ERβ antagonist PHTPP, ERα antagonist MPP, and mifepristone in presence of estrogen and progesterone...
November 2015: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/26409911/effect-of-six-degrees-of-freedom-knee-kinematics-on-ligament-length-and-moment-arm-in-an-intact-knee-model
#16
Neriman Ozada
BACKGROUND: Biomechanics studies can help improve athletic performance. However, the biomechanics of knee joint ligament length changes and moment arms over six degrees of freedom (DOF) have yet to be established. OBJECTIVE: To construct a knee model to investigate the length and moment arm changes of the anterior cruciate ligament (ACL), posterior cruciate ligament (PCL), medial collateral ligament (MCL), and lateral collateral ligament (LCL). METHOD: Six DOF joint modeling and analysis were performed using specialized modeling software...
2015: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/26408997/influence-of-ligament-properties-on-tibiofemoral-mechanics-in-walking
#17
Colin R Smith, Rachel L Lenhart, Jarred Kaiser, Michael F Vignos, Darryl G Thelen
Computational knee models provide a powerful platform to investigate the effects of injury and surgery on functional knee behavior. The objective of this study was to use a multibody knee model to investigate the influence of ligament properties on tibiofemoral kinematics and cartilage contact pressures in the stance phase of walking. The knee model included 14 ligament bundles and articular cartilage contact acting across the tibiofemoral and patellofemoral joints. The knee was incorporated into a lower extremity musculoskeletal model and was used to simulate knee mechanics during the stance phase of normal walking...
February 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/26307202/biomechanical-model-of-knee-collateral-ligament-injury-with-six-degrees-of-freedom
#18
Neriman Ozada
Knee ligament injuries cannot be fully described using simplified joint models or by experimentation alone. The study objective was to model the contributions of the collateral ligaments over six degrees of freedom (DOF) of knee joint articulation to aid the diagnosis of knee ligament injuries. A kinematic model of the knee joint with six DOF was developed using the Musculoskeletal Joint Modeller software, and the effects of medial collateral ligament (MCL) and lateral collateral ligament (LCL) rupture were evaluated...
May 2016: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/26298561/platelet-rich-plasma-did-not-improve-early-healing-of-medial-collateral-ligament-in-rats
#19
Eyal Amar, Nimrod Snir, Osnat Sher, Tamar Brosh, Morsi Khashan, Moshe Salai, Oleg Dolkart
BACKGROUND: The medial collateral ligament (MCL) is the most frequently injured ligament of the knee. Platelet-rich plasma (PRP) is a relatively new treatment option developed to enhance the healing response after injury to different tissue types. This study aimed at investigating whether the addition of PRP to MCL tears in rats would alter healing both biomechanically and histologically. METHODS: Bilateral full-thickness tears of the MCL were surgically induced in the knees of 32 rats...
November 2015: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/26217477/pure-varus-injury-to-the-knee-joint
#20
Jae Ho Yoo, Jung Ha Lee, Chong Bum Chang
A 30-year-old male was involved in a car accident. Radiographs revealed a depressed marginal fracture of the medial tibial plateau and an avulsion fracture of the fibular head. Magnetic resonance imaging showed avulsion fracture of Gerdy's tubercle, injury to the posterior cruciate ligament (PCL), posterior horn of the medial meniscus, and the attachments of the lateral collateral ligament and the biceps femoris tendon. The depressed fracture of the medial tibial plateau was elevated and stabilized using a cannulated screw and washer...
June 2015: Clinics in Orthopedic Surgery
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