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Knee meniscus tear

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https://www.readbyqxmd.com/read/28812034/the-influence-of-medical-insurance-on-patient-access-to-orthopaedic-surgery-sports-medicine-appointments-under-the-affordable-care-act
#1
Daniel H Wiznia, Emmanuel Nwachuku, Alexander Roth, Chang-Yeon Kim, Ameya Save, Nidharshan S Anandasivam, Michael Medvecky, Richard Pelker
BACKGROUND: The goal of the Patient Protection and Affordable Care Act (PPACA) was to expand patient access to health care. Since the rollout of the PPACA, Medicaid patients have demonstrated difficulty obtaining appointments in some specialty care settings. PURPOSE: To assess the effect of insurance type (Medicaid and private) on patient access to orthopaedic surgery sports medicine specialists for a semiurgent evaluation of a likely operative bucket-handle meniscus tear...
July 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28809636/-arthroscopic-finding-of-knee-joint-in-relation-to-age-and-its-comparison-with-pre-operative-clinical-finding-a-retrospective-study
#2
P Látal, K Šimeček, M Kloub
PURPOSE OF THE STUDY In the retrospective study of two South Bohemian centres we present the comparison of pre-operative anamnestic clinical signs in relation to the arthroscopic intraoperative finding. The obtained data is used also to evaluate the arthroscopic finding in relation to age and sex. MATERIAL AND METHODS The arthroscopic findings of patients who underwent surgery in 2013-2014 period (1.1.2013-31.12.2014) at the Department of Trauma Surgery of České Budějovice Hospital, a.s. and in 2014 (1.1...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
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
#3
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/28772388/an-overview-of-scaffold-design-and-fabrication-technology-for-engineered-knee-meniscus
#4
REVIEW
Jie Sun, Sanjairaj Vijayavenkataraman, Hang Liu
Current surgical treatments for meniscal tears suffer from subsequent degeneration of knee joints, limited donor organs and inconsistent post-treatment results. Three clinical scaffolds (Menaflex CMI, Actifit(®) scaffold and NUsurface(®) Meniscus Implant) are available on the market, but additional data are needed to properly evaluate their safety and effectiveness. Thus, many scaffold-based research activities have been done to develop new materials, structures and fabrication technologies to mimic native meniscus for cell attachment and subsequent tissue development, and restore functionalities of injured meniscus for long-term effects...
January 3, 2017: Materials
https://www.readbyqxmd.com/read/28754246/a-contact-pressure-analysis-comparing-an-all-inside-and-inside-out-surgical-repair-technique-for-bucket-handle-medial-meniscus-tears
#5
Daniel Cole Marchetti, Brian M Phelps, Kimi D Dahl, Erik L Slette, Jacob D Mikula, Grant J Dornan, Gabriella Bucci, Travis Lee Turnbull, Steven B Singleton
PURPOSE: To directly compare effectiveness of the inside-out and all-inside medial meniscal repair techniques in restoring native contact area and contact pressure across the medial tibial plateau at multiple knee flexion angles. METHODS: Twelve male, nonpaired (n = 12), fresh-frozen human cadaveric knees underwent a series of 5 consecutive states: (1) intact medial meniscus, (2) MCL tear and repair, (3) simulated bucket-handle longitudinal tear of the medial meniscus, (4) inside-out meniscal repair, and (5) all-inside meniscal repair...
July 25, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28719787/in-vivo-performance-of-a-novel-anatomically-shaped-total-meniscal-prosthesis-made-of-polycarbonate-urethane-a-12-month-evaluation-in-goats
#6
Anne C T Vrancken, Gerjon Hannink, Wojciech Madej, Nico Verdonschot, Tony G van Tienen, Pieter Buma
BACKGROUND: Injury or loss of the meniscus generally leads to degenerative osteoarthritic changes in the knee joint. However, the treatment options for symptomatic patients with total meniscectomy are limited. Therefore, we developed a novel, anatomically shaped, total meniscal implant made of polycarbonate urethane. PURPOSE: To evaluate the in vivo performance of this novel total meniscal implant. The assessment particularly focused on the implant's response to long-term physiological loading in a goat model and its chondroprotective capacity in comparison to clinically relevant controls...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28706802/medial-meniscus-posterior-root-tear-repair-using-a-2-simple-suture-pullout-technique
#7
Tarek Mohamed Samy, Wael A M Nassar, Zeiad Mohamed Zakaria, Ahmed Khaled Farrag Abdelaziz
Medial meniscus posterior root tear is one of the underestimated knee injuries in terms of incidence. Despite its grave sequelae, using simple but effective technique can maintain the native knee joint longevity. In the current note, a 2-simple-suture pullout technique was used to effectively reduce the meniscus posterior root to its anatomic position. The success of the technique depended on proper tool selection as well as tibial tunnel direction that allowed easier root suturing and better suture tensioning, without inducing any iatrogenic articular cartilage injury or meniscal tissue loss...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706793/medial-meniscus-posterior-root-repair-using-a-transtibial-technique
#8
Jarret M Woodmass, Rohith Mohan, Michael J Stuart, Aaron J Krych
The meniscal roots are critical in maintaining the normal shock absorbing function of the meniscus. If a meniscal root tear is left untreated, meniscal extrusion can occur rendering the meniscus nonfunctional resulting in degenerative arthritis. Two main repair techniques are described: (1) suture anchors (direct fixation) and (2) sutures pulled through a tibial tunnel (indirect fixation). Meniscal root repair using a suture anchor technique is technically challenging requiring a posterior portal and a curved suture passing device that can be difficult to manipulate within the knee...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28698804/the-knee-meniscus-management-of-traumatic-tears-and-degenerative-lesions
#9
Philippe Beaufils, Roland Becker, Sebastian Kopf, Ollivier Matthieu, Nicolas Pujol
Meniscectomy is one of the most popular orthopaedic procedures, but long-term results are not entirely satisfactory and the concept of meniscal preservation has therefore progressed over the years. However, the meniscectomy rate remains too high even though robust scientific publications indicate the value of meniscal repair or non-removal in traumatic tears and non-operative treatment rather than meniscectomy in degenerative meniscal lesionsIn traumatic tears, the first-line choice is repair or non-removal...
May 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28660229/lateral-meniscus-posterior-root-and-meniscofemoral-ligaments-as-stabilizing-structures-in-the-acl-deficient-knee-a-biomechanical-study
#10
Jonathan M Frank, Gilbert Moatshe, Alex W Brady, Grant J Dornan, Ashley Coggins, Kyle J Muckenhirn, Erik L Slette, Jacob D Mikula, Robert F LaPrade
BACKGROUND: The biomechanical effects of lateral meniscal posterior root tears with and without meniscofemoral ligament (MFL) tears in anterior cruciate ligament (ACL)-deficient knees have not been studied in detail. PURPOSE: To determine the biomechanical effects of the lateral meniscus (LM) posterior root tear in ACL-intact and ACL-deficient knees. In addition, the biomechanical effects of disrupting the MFLs in ACL-deficient knees with meniscal root tears were evaluated...
June 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28599660/does-the-location-of-placement-of-meniscal-sutures-have-a-clinical-effect-in-the-all-inside-repair-of-meniscocapsular-tears
#11
Uğur Tiftikçi, Sancar Serbest
BACKGROUND: Meniscocapsular separation (MCS) is a lesion of the area which is attached from the peripheral section of the meniscus to the capsule and is seen less often than other meniscus injuries. The aim of this study was to investigate which of the different side applications of all-inside MCS repair of the meniscus was better in respect of clinical and functional results. METHODS: In this retrospective study, 53 patients with MCS pattern in their knee joints were treated with arthroscopic meniscus repair made with the all-inside method...
June 9, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28580268/endoscopic-resection-of-medial-extra-articular-cysts-of-the-knee
#12
Tun Hing Lui
Although most of the parameniscal cysts are very small and asymptomatic, some of them can present with a painful mass or snapping knee. Because parameniscal cysts are almost always associated with horizontal meniscal tears, arthroscopic partial meniscectomy of the involved part of meniscus and intra-articular cyst drainage has become the most accepted procedure. However, arthroscopic cyst decompression through partial meniscectomy to the meniscocapsular junction to expose the communication between the cyst and the knee joint may sacrifice some of the healthy parts of the meniscus especially when meniscal tear is peripheral...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28574418/clinical-study-on-the-arthroscopic-refreshing-treatment-of-anterior-cruciate-ligament-injury-combined-with-stable-medial-meniscus-ramp-injury
#13
J Yang, K Guan, J Z Wang
This study sought to investigate the clinical efficacy of arthroscopic refreshing treatment of anterior cruciate ligament (ACL) injury combined with stable medial meniscus ramp injury. Sixty-eight patients treated between January 2010 and January 2014 were included, and their clinical data were retrospectively analyzed. All patients, after being treated using ACL reconstruction, were divided into 2 groups according to meniscus injury treatment method. The observation group (31 cases) was treated by arthroscopic refreshing, which removed the tissue on both sides of the tear edge using a cutting knife, while the control group (37 cases) was treated using Fast-fix sutures...
June 1, 2017: Journal of Musculoskeletal & Neuronal Interactions
https://www.readbyqxmd.com/read/28552823/high-failure-rate-of-anterior-cruciate-ligament-reconstruction-with-bimeniscal-repair-acase-control-study
#14
H Gonçalves, C Steltzlen, P Boisrenoult, P Beaufils, N Pujol
BACKGROUND: Bimeniscal lesions are common in patients with anterior cruciate ligament (ACL) tears. However, bimeniscal repair is rarely performed during ACL reconstruction. OBJECTIVE: To assess outcomes after ACL reconstruction with bimeniscal repair. HYPOTHESIS: Bimeniscal lesions, even when repaired, are associated with poorer outcomes of ACL reconstruction. MATERIALANDMETHODS: A retrospective case-control design was used...
May 25, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28536855/rotational-laxity-control-by-the-anterolateral-ligament-and-the-lateral-meniscus-is-dependent-on-knee-flexion-angle-a-cadaveric-biomechanical-study
#15
Timothy Lording, Gillian Corbo, Dianne Bryant, Timothy A Burkhart, Alan Getgood
BACKGROUND: Injury to the anterolateral ligament (ALL) has been reported to contribute to high-grade anterolateral laxity after anterior cruciate ligament (ACL) injury. Failure to address ALL injury has been suggested as a cause of persistent rotational laxity after ACL reconstruction. Lateral meniscus posterior root (LMPR) tears have also been shown to cause increased internal rotation of the knee. QUESTIONS/PURPOSES: The purpose of this study was to determine the functional relationship between the ALL and LMPR in the control of internal rotation of the ACL-deficient knee...
May 23, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28536729/clinics-in-diagnostic-imaging-177-medical-meniscus-bucket-handle-tear-with-medial-oblique-meniscomeniscal-ligament
#16
Poh Lye Paul See
A 29-year-old man with a previous football injury to his left knee presented with pain of the same knee. The patient twisted it as he was turning a corner quickly while going up the stairs, leading to internal rotation of his femur on his tibia with his knee in flexion. MR imaging revealed a bucket-handle tear of the medial meniscus, as well as a complete tear of the anterior cruciate ligament. However, image interpretation was complicated by the presence of a medial oblique meniscomeniscal ligament, a rare normal variant among intermeniscal ligaments of the knee...
May 2017: Singapore Medical Journal
https://www.readbyqxmd.com/read/28524271/histological-characteristics-of-knee-menisci-in-patients-with-osteoarthritis
#17
Dalton McDaniel, Emily Tilton, Kathryn Dominick, Kale Flory, Taylor Ernest, Jane C Johnson, Donet C Main, Peter Kondrashov
Existing data indicate knee menisci in patients with osteoarthritis (OA) show tearing, maceration, and fragmentation, but little is known about the change in histological structure. The aim of this study was to evaluate the change in the menisci histological structure in patients with clinically diagnosed knee OA. Fourteen patients undergoing surgical treatment of knee OA (OA group) and 14 cadaveric knees (control group) were assessed. Demographic data, medical history, synovial fluid, OA severity, medial meniscus (MM) tissue, and lateral meniscus (LM) tissue were collected from the OA group...
May 19, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28522452/arthroscopic-partial-meniscectomy-versus-placebo-surgery-for-a-degenerative-meniscus-tear-a-2-year-follow-up-of-the-randomised-controlled-trial
#18
Raine Sihvonen, Mika Paavola, Antti Malmivaara, Ari Itälä, Antti Joukainen, Heikki Nurmi, Juha Kalske, Anna Ikonen, Timo Järvelä, Tero Ah Järvinen, Kari Kanto, Janne Karhunen, Jani Knifsund, Heikki Kröger, Tommi Kääriäinen, Janne Lehtinen, Jukka Nyrhinen, Juha Paloneva, Outi Päiväniemi, Marko Raivio, Janne Sahlman, Roope Sarvilinna, Sikri Tukiainen, Ville-Valtteri Välimäki, Ville Äärimaa, Pirjo Toivonen, Teppo Ln Järvinen
OBJECTIVE: To assess if arthroscopic partial meniscectomy (APM) is superior to placebo surgery in the treatment of patients with degenerative tear of the medial meniscus. METHODS: In this multicentre, randomised, participant-blinded and outcome assessor-blinded, placebo-surgery controlled trial, 146 adults, aged 35-65 years, with knee symptoms consistent with degenerative medial meniscus tear and no knee osteoarthritis were randomised to APM or placebo surgery. The primary outcome was the between-group difference in the change from baseline in the Western Ontario Meniscal Evaluation Tool (WOMET) and Lysholm knee scores and knee pain after exercise at 24 months after surgery...
May 18, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28508006/early-osteoarthritis-after-untreated-anterior-meniscal-root-tears-an-in-vivo-animal-study
#19
Brett D Steineman, Robert F LaPrade, Kelly S Santangelo, Brent T Warner, Laurie R Goodrich, Tammy L Haut Donahue
BACKGROUND: Meniscal root tears cause menisci and their insertions to inadequately distribute loads and potentially leave underlying articular cartilage unprotected. Untreated meniscal root tears are becoming increasingly recognized to induce joint degradation; however, little information is known about anterior meniscal root tears and how they affect joint tissue. PURPOSE: To observe the early degenerative changes within the synovial fluid, menisci, tibial articular cartilage, and subchondral bone after arthroscopic creation of untreated anterior meniscal root tears...
April 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28506133/clinical-outcomes-following-surgically-repaired-bucket-handle-meniscus-tears
#20
Michael J Moses, David E Wang, Maxwell Weinberg, Eric J Strauss
OBJECTIVES: Meniscus tears are one of the most common knee injuries. Our goal is to investigate the failure rate for surgically repaired bucket-handle meniscus tears and compare clinical outcomes of repairs that failed versus those that did not, at a minimum 2-year follow-up interval. METHODS: 51 patients were identified in this retrospective cohort study who experienced bucket-handle meniscus tears that were isolated or with concomitant ACL injury. Inclusion criteria included age range from 13-55 years, confirmed bucket-handle meniscus tear by MRI and intraoperatively, and at least two-years of post-operative follow-up following index repair...
May 23, 2017: Physician and Sportsmedicine
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