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https://www.readbyqxmd.com/read/29160630/synthetic-grafts-in-the-treatment-of-ruptured-anterior-cruciate-ligament-of-the-knee-joint
#1
REVIEW
Wojciech Satora, Aleksandra Królikowska, Andrzej Czamara, Paweł Reichert
The anterior cruciate ligament (ACL) is cited as the most frequently injured ligament in the knee. The standard treatment of ACL injury remains ligament reconstruction followed by a postoperative physiotherapeutic procedure. During the reconstruction, the torn ligament can be replaced with an autograft or an allograft. A synthetic ligament is also one of the available graft options. Synthetic grafts in ruptured ACL treatment have been used as scaffolds, stents, or prostheses. The story of using synthetic materials in ACL deficient knee treatment started in the beginning of the 20th century with the usage of silk and silver fibers...
January 2017: Polimery W Medycynie
https://www.readbyqxmd.com/read/29160369/biomechanical-study-of-the-effect-of-platelet-rich-plasma-on-the-treatment-of-medial-collateral-ligament-lesion-in-rabbits
#2
Eduardo Louzada da Costa, Luiz Eduardo Moreira Teixeira, Bruno Jannotti Pádua, Ivana Duval de Araújo, Leonardo de Souza Vasconcellos, Luide Scalioni Borges Dias
PURPOSE: To evaluate the use of platelet-rich plasma in the early stages of healing of traumatic injury of the medial collateral ligament in the knee of rabbits. METHODS: Thirty rabbits were subjected to surgical lesion of the medial collateral ligament. Of these, 16 were treated with platelet-rich plasma and 14 with saline (control). After 3 and 6 weeks of treatment, 50% of the animals from each group were sacrificed, and biomechanical tests were performed on the injured ligament to compare the tensile strength between the two groups...
October 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/29159673/double-bundle-anterior-cruciate-ligament-reconstruction-is-better-than-single-bundle-reconstruction-in-terms-of-objective-assessment-but-not-in-terms-of-subjective-score
#3
Faisal Ahmed Hashem El-Sherief, Wael Abdelkarim Aldahshan, Yaser Elsayed Wahd, Ashraf Mohamed Abdelaziz, Hany Abdel Gawwad Soliman, Tohamy Goda Hassan, Hassan Fathy Elbehairy, Adel Hamed Awadallah
PURPOSE: A comparison of clinical outcomes between double-bundle (DB) and single-bundle (SB) anterior cruciate ligament (ACL) reconstruction for patients with ACL injury. METHODS: Sixty patients were treated with either SB (n = 30) or DB (n = 30) ACL reconstruction between 2011 and 2012. The hamstring tendons were autografted with suspensory fixation on the femoral side, while a bio-absorbable interference screw was used for fixation on the tibial side. These patients were evaluated using Lysholm score, International Knee Documentation Committee (IKDC) forms (both objective and subjective), Lachman test, pivot shift test, and KT 1000 arthrometer...
November 20, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29156302/monitoring-the-effect-of-football-match-congestion-on-hamstring-strength-and-lower-limb-flexibility-potential-for-secondary-injury-prevention
#4
Martin Wollin, Kristian Thorborg, Tania Pizzari
OBJECTIVES: To investigate the effect of competitive football match congestion on hamstring strength and lower limb flexibility. DESIGN: Repeated measures. SETTING: Elite male youth football. PARTICIPANTS: Fifteen male elite youth football players from the national football association centre of excellence were included (age = 15.81 ±0.65 years, height = 171.95 ±6.89 cm, weight = 65.93 ±7.53 kg). MAIN OUTCOME MEASURES: Hamstring strength and pain, ankle dorsiflexion, hip extension, knee extension and flexion range of motion...
September 15, 2017: Physical Therapy in Sport
https://www.readbyqxmd.com/read/29154692/landing-kinematics-and-kinetics-at-the-knee-during-different-landing-tasks
#5
Nicholas R Heebner, Deirdre M Rafferty, Meleesa F Wohleber, Andrew J Simonson, Mita Lovalekar, Andrew Reinert, Timothy C Sell
CONTEXT:   Several tasks have been used to examine landing biomechanics for evaluation and rehabilitation, especially as related to anterior cruciate ligament injuries. However, comparing results among studies in which different tasks were used can be difficult, and it is unclear which task may be most appropriate. OBJECTIVE:   To compare lower extremity biomechanics across 5 commonly used landing tasks. DESIGN:   Descriptive laboratory study...
November 20, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/29154233/objective-assessment-of-knee-proprioception-and-sensorimotor-function-in-patients-with-primary-gonarthrosis-before-and-after-knee-replacement
#6
Anna Hadamus, Dariusz Białoszewski
The sensorimotor system is a complicated tool allowing for maintaining body balance and responding to changing environmental conditions to prevent injury. It is difficult to objectively assess the function of balance control mechanisms due to the multidimensional nature of the sensorimotor system and multitude of variables that may interfere with the measurement. The function of the sensorimotor system is considerably compromised in osteoarthritis, including gona-rthro-sis. The knee is the second most common location of osteoarthritis, after the hip, and total or partial replacement surgery of the knee joint represents the therapy of choice in advanced stages of the condition...
October 31, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/29153864/changes-in-markers-of-thrombin-generation-and-interleukin-6-during-unicondylar-knee-and-total-knee-arthroplasty
#7
Edwin P Su, Lauren E Mount, Allina A Nocon, Thomas P Sculco, George Go, Nigel E Sharrock
BACKGROUND: Total knee arthroplasty (TKA) is associated with a risk of thromboembolism requiring routine thromboprophylaxis, but there is debate about the risk with unicondylar knee arthroplasty (UKA) as it is a more minor procedure. We sought to investigate the relative risk of thromboembolism with UKA compared to TKA and one-staged bilateral TKA (BTKA) by measuring the increase in circulating biochemical markers of thrombin generation during the procedures. Degree of surgical trauma was also assessed by measuring interleukin-6, a marker of metabolic injury...
October 16, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29153477/biomechanical-adaptations-during-running-differ-based-on-type-of-exercise-and-fitness-level
#8
Lindsay V Slater, Austin S Simpson, Silvia S Blemker, Jay Hertel, Susan A Saliba, Arthur L Weltman, Joseph M Hart
Lower extremity injuries are most common in more active and fit individuals, suggesting that adaptations from neuromuscular fatigue may differ depending on type of exercise and fitness level. The purpose of this study was to compare changes in gait in highly fit and recreationally active individuals before and after two exercise protocols. Lower extremity kinematics and kinetics were measured on the dominant leg during running before and after two exercise protocols (walking/sport) from 0 to 100% of gait in 24 healthy individuals divided into higher (n=13) and lower fitness (n=11) groups...
November 13, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29151023/quadriceps-force-and-anterior-tibial-force-occur-obviously-later-than-vertical-ground-reaction-force-a-simulation-study
#9
Ryo Ueno, Tomoya Ishida, Masanori Yamanaka, Shohei Taniguchi, Ryohei Ikuta, Mina Samukawa, Hiroshi Saito, Harukazu Tohyama
BACKGROUND: Although it is well known that quadriceps force generates anterior tibial force, it has been unclear whether quadriceps force causes great anterior tibial force during the early phase of a landing task. The purpose of the present study was to examine whether the quadriceps force induced great anterior tibial force during the early phase of a landing task. METHODS: Fourteen young, healthy, female subjects performed a single-leg landing task. Muscle force and anterior tibial force were estimated from motion capture data and synchronized force data from the force plate...
November 18, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29150746/correlation-between-quantitative-pivot-shift-and-generalized-joint-laxity-a-prospective-multicenter-study-of-acl-ruptures
#10
David Sundemo, Anna Blom, Yuichi Hoshino, Ryosuke Kuroda, Nicola Francesco Lopomo, Stefano Zaffagnini, Volker Musahl, James J Irrgang, Jón Karlsson, Kristian Samuelsson
PURPOSE: To investigate whether an increased magnitude of quantitative rotatory knee laxity is associated with a greater level of generalized joint laxity in ACL-injured and contralateral knees. METHODS: A total of 103 patients were enrolled across four international centers to undergo anatomic ACL reconstruction. Rotatory knee laxity was evaluated preoperatively, both in the awake state and under anesthesia, using the standardized pivot shift test. Two devices were used to quantify rotatory knee laxity; an inertial sensor, measuring the joint acceleration, and an image analysis system, measuring the lateral compartment translation of the tibia...
November 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29150270/m-biceps-femoris-a-wolf-in-sheep-s-clothing-the-downside-of-a-lower-limb-injury-prevention-training
#11
Thomas Ertelt, Thomas Gronwald
Both, hamstring and ACL injuries are among the most typical injuries, particularly in change of direction and high speed running sports. They're also difficult to treat. Therefore, in the past few years, sports medicine practitioners and exercise scientists have mainly been focusing on the development and implementation of preventive programs in order to reduce the number of lower limb injuries, mainly by improving knee alignment. A number of studies have been able to prove the success of these training interventions, which are mainly addressing sensorimotor abilities and plyometric activities...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29149741/the-isolated-posterior-malleolar-fracture-and-syndesmotic-instability-a-case-report-and-review-of-the-literature
#12
Diederik P J Smeeing, Roderick M Houwert, Moyo C Kruyt, Falco Hietbrink
INTRODUCTION: Ankle fractures are among the most common type of fractures in the lower extremity. A posterior malleolar fracture is frequently part of a more complex ankle fracture and only in rare cases it occurs as isolated injury. Posterior malleolar fractures often occur with associated injuries, such as a Maisonneuve fracture or with bi- or trimalleolar ligamentous injuries. Knowledge about these associated injuries is essential to prevent missed diagnoses. The aim of this article is to describe the isolated posterior malleolar fracture, the possible associated injuries, the diagnostic work-up and therapeutic consequences...
November 13, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29147938/-application-of-a%C3%A2-new-pain-balm-based-on-tcm
#13
P Groene, J Eisenlohr, A Reither
In the context of an unsuccessful treatment over several years of existing knee pain after various sports injuries, a young, healthy female patient was treated with a novel pain balm based on traditional Chinese medicine. This resulted in a significant improvement in the stimulation and pain conditions without any recognizable local and systemic side effects.
November 16, 2017: Der Schmerz
https://www.readbyqxmd.com/read/29147849/heterogeneity-of-passive-elastic-properties-within-the-quadriceps-femoris-muscle-tendon-unit
#14
Brooke K Coombes, Brandon Ziegenfuss, Michael David, Rohitha Badya, Wolbert van den Hoorn, François Hug, Kylie Tucker
PURPOSE: The purpose of this study was to compare regional elastic properties between anterior and posterior regions of the patellar tendon, and individual quadriceps muscles, over a range of knee flexion angles. METHODS: An isokinetic dynamometer passively positioned the non-dominant knee of 19 young, healthy participants, at 25°, 40°, 55°, 70° and 85° flexion. Shear wave velocity (SWV, an index of tissue elasticity) was measured using ultrasound shear wave elastography in a relaxed (passive) state, confirmed by electromyography...
November 17, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29147744/consistency-in-patient-reported-outcome-measures-after-total-knee-arthroplasty-using-patient-specific-instrumentation-a-5-year-follow-up-of-200-consecutive-cases
#15
Daphne A L Schoenmakers, Martijn G M Schotanus, Bert Boonen, Nanne P Kort
PURPOSE: The purpose of this study was to evaluate the 5-year follow-up results of the first 200 total knee arthroplasties (TKA) performed by one high-volume surgeon, using patient-specific information (PSI). To date, there has been no other research into the mid-term follow-up of TKA performed using PSI. MATERIALS AND METHODS: A total of 184 consecutive patients (200 TKA) were evaluated. Outcome measures included implant survival rate, adverse events, and the following patient-reported outcome measures (PROMs); Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), Oxford Knee Score (OKS), Pain Visual Analogue Score (VAS) and EuroQol-5D Score (EQ-5D)...
November 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29146385/cross-cultural-adaptation-and-implementation-of-good-life-with-osteoarthritis-in-denmark-gla-d-tm-group-education-and-exercise-for-hip-and-knee-osteoarthritis-is-feasible-in-canada
#16
Aileen M Davis, Deborah Kennedy, Rosalind Wong, Susan Robarts, Søren T Skou, Rhona McGlasson, Linda C Li, Ewa Roos
OBJECTIVE: Adapt and evaluate the feasibility of implementing Good Life with osteoArthritis in Denmark (GLA:D(TM)) in Canada for people with mild to severe hip/knee osteoarthritis. METHODS: Patients triaged to non-surgical management participated in two education sessions and 12 supervised, neuromuscular exercise classes. We used the RE-AIM implementation framework evaluating outcomes of Reach, Effectiveness/Efficacy, Adoption, Implementation and Maintenance. Patients completed surveys pre-program and at 3 months follow-up...
November 13, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29146160/posterolateral-corner-injuries-of-the-knee-at-the-national-football-league-combine-an-imaging-and-outcomes-analysis
#17
Jorge Chahla, Nicholas I Kennedy, Mark E Cinque, George Sanchez, Catherine Logan, Bryan G Vopat, Brendin Beaulieu-Jones, Mark Price, Jim Whalen, Robert F LaPrade, Matthew T Provencher
PURPOSE: (1) To determine the epidemiology, examination findings, imaging findings, and associated injuries of posterolateral corner (PLC) injuries in players participating in the National Football League (NFL) Combine and (2) to evaluate the impact of PLC injuries on performance compared with matched controls. METHODS: All PLC injuries identified at the NFL Combine between 2009 and 2015 were reviewed. The inclusion criteria were any player who had clinical findings or a previous surgical procedure consistent with a PLC injury and who participated in medical and performance testing at the NFL Combine...
November 13, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29145966/outcome-evaluation-of-staged-treatment-for-bicondylar-tibial-plateau-fractures
#18
Vincenzo Giordano, Ney Pecegueiro do Amaral, Hilton A Koch, Rodrigo Pires E Albuquerque, Felipe Serrão de Souza, José Félix Dos Santos Neto
BACKGROUND: The universal accepted strategy for treating high-energy tibial plateau fractures remains a topic of ongoing debate. The challenge for the practicing orthopaedic trauma surgeon is to provide anatomical articular fracture reduction, with successfully managing the complex soft-tissue injury that is commonly present at patient admission. The primary aim of the actual study was to evaluate the results of a staged protocol for the treatment of high-energy bicondylar tibial plateau fractures...
October 2017: Injury
https://www.readbyqxmd.com/read/29145963/functional-results-and-isokinetic-muscle-strength-in-patients-with-fraser-type-i-floating-knee-treated-with-internal-fixation
#19
Fernando Brandao Andrade-Silva, Adriana Carvalho, Caio Mansano, Aline Giese, Marcos de Camargo Leonhardt, Dennis Barbosa, Kodi Edson Kojima, Jorge Santos Silva
INTRODUCTION: According to Fraser's description, ipsilateral femoral and tibial diaphyseal fractures are characterised as type I floating knee and have a better prognosis than fractures with joint involvement (type II). There are few reports of functional and muscle strength in these patients. The objective of this study was to evaluate the functional and isokinetic muscle strength of patients with type I floating knee undergoing femoral and tibial internal fixation. METHODS: Patients with type I floating knee undergoing concomitant femoral and tibial internal fixation were invited for clinical evaluation...
October 2017: Injury
https://www.readbyqxmd.com/read/29145340/open-repair-of-intraoperative-popliteal-artery-injury-during-total-knee-arthroplasty-in-a-patient-with-severe-hemophilia-a-a-case-report-and-literature-review
#20
Bin Feng, Ke Xiao, Jiang Shao, Yu Fan, Xisheng Weng
RATIONALE: Arterial injuries during total knee arthroplasty (TKA) though rare may occur. Hemophilia may further challenge the management of such injury. PATIENT CONCERNS: A 48-year-old male patient with severe hemophilia type A and stiff knee arthropathy underwent bilateral TKAs. Left popliteal artery injury was detected at the end of the left TKA. DIAGNOSES: Urgent angiography confirmed the diagnosis of the left popliteal artery transection...
November 2017: Medicine (Baltimore)
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