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Meniscus repair

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https://www.readbyqxmd.com/read/29445968/arthroscopic-direct-meniscal-extrusion-reduction-surgical-tips-to-reduce-persistent-meniscal-extrusion-in-meniscal-root-repair
#1
Bancha Chernchujit, Renaldi Prasetia
Meniscal extrusion (ME) is defined as extension of the meniscal margin by at least 3 mm beyond the tibial margin. The main purpose of meniscal root repair is to restore the anatomy and function of the meniscus. Therefore, the reduction in the ME is one of the important objective outcomes. Nevertheless, the reduced meniscal extrusion was obtained in limited patients after meniscal root repair. This technical note described the arthroscopic direct meniscal extrusion reduction as surgical tips to reduce persistent meniscal extrusion in posterior meniscal root repair...
February 14, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29443758/a-novel-arthroscopic-all-inside-suture-technique-using-the-fast-fix-360-system-for-repairing-horizontal-meniscal-tears-in-young-athletes-3-case-reports
#2
Satoru Atsumi, Kunio Hara, Yuji Arai, Manabu Yamada, Naoki Mizoshiri, Aguri Kamitani, Toshikazu Kubo
RATIONALE: Considering the risk of osteoarthritis following resection of a horizontally torn meniscus of the knee, repairing and preserving the meniscus as much as possible is preferred. We report 3 cases of restoration of horizontally torn menisci using a novel arthroscopic method we have called "all-inside interleaf vertical suture" that afforded preservation. PATIENT CONCERNS: The 3 patients (aged 14, 17, and 21 years) had knee pain through sports activity. DIAGNOSES: All patients had horizontal tears in the posteromedial part of the meniscus...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29430394/both-posterior-root-lateral-medial-meniscus-tears-with-anterior-cruciate-ligament-rupture-the-step-by-step-systematic-arthroscopic-repair%C3%A2-technique
#3
Bancha Chernchujit, Renaldi Prasetia
The occurrence of posterior root tear of both the lateral and medial menisci, combined with anterior cruciate ligament rupture, is rare. Problems may be encountered such as the difficulty to access the medial meniscal root tear, the confusing circumstances about which structure to repair first, and the possibility of the tunnel for each repair to become taut inside the tibial bone. We present the arthroscopy technique step by step to overcome the difficulties in an efficient and time-preserving manner.
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29421350/long-term-evaluation-of-osteoarthritis-sheep-knee-treated-with-tgf-%C3%AE-3-and-bmp-6-induced-multipotent-stem-cells
#4
C C Ude, B S Shamsul, M H Ng, H C Chen, Htwe Ohnmar, S N Amaramalar, A R Rizal, A Johan, M Y Norhamdan, M Azizi, B S Aminuddin, B H I Ruszymah
BACKGROUND: Hyaline articular cartilage, which protects the bones of diarthrodial joints from forces associated with load bearing, frictions, and impacts has very limited capacities for self-repair. Over the years, the trend of treatments has shifted to regenerations and researchers have been on the quest for a lasting regeneration. We evaluated the treatment of osteoarthritis by chondrogenically induced ADSCs and BMSCs for a long time functional recovery. METHODS: Osteoarthritis was induced at the right knee of sheep by complete resection of ACL and medial meniscus...
January 29, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29416975/all-inside-arthroscopic-meniscal-repair-technique-using-a-midbody-accessory-portal
#5
S Tal Hendrix, Adam Kwapisz, Douglas J Wyland
Treatment of symptomatic meniscal tears continues to evolve as we improve our understanding of the biomechanical role of the meniscus and its long-term importance to the health of the knee joint. Suture repair of meniscal tears is challenging, yet the incidence of repairs among our colleagues continues to rise as we aim to preserve meniscal tissue. Many elements of performing a repair are tedious and difficult, including proper meniscal preparation, reduction, mattress suture placement, and fixation. The tear pattern and location present another layer of difficulty...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29416968/suture-repair-of-full-radial-posterior-lateral-meniscus-tears-using-a-central-midline-portal
#6
Hervé Ouanezar, Mathieu Thaunat, Adnan Saithna, Levi Reina Fernandes, Bertrand Sonnery-Cottet
Full radial posterior lateral meniscus root tears are frequently associated with injuries to the anterior cruciate ligament. Left unrepaired, they result in loss of the meniscus hoop stress function and can lead to overload of the lateral compartment and early degenerative changes. Arthroscopic suture repairs show successful results with long-term follow-up. However, previously described suture repair techniques have often required special instrumentation and can be technically demanding. This Technical Note describes the use of an accessory portal through the patellar tendon as a safe and easy method for repairing full posterior radial tears of the lateral meniscus...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29416965/vertical-lasso-and-horizontal-lasso-sutures-for-repair-of-horizontal-cleavage-and-horizontal-oblique-meniscal-tears-surgical-technique-and-indications
#7
Kenneth R Brooks
Horizontal cleavage and horizontal oblique meniscal tears have traditionally been treated with partial meniscectomy. Recent research has shown the deleterious long-term effects of meniscectomy in these patients regarding the development of osteoarthritis. Meniscal preservation is thus the preferred method of surgical treatment in patients with these tears. However, traditional repair techniques using inside-out sutures or suture anchor-based devices do not address the horizontally aligned nature of these particular tears and thus do not compress the meniscal tissue in the correct plane...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29415892/inhibition-of-wnt-%C3%AE-catenin-signaling-ameliorates-osteoarthritis-in-a-murine-model-of-experimental-osteoarthritis
#8
Caressa Lietman, Brian Wu, Sarah Lechner, Andrew Shinar, Madhur Sehgal, Evgeny Rossomacha, Poulami Datta, Anirudh Sharma, Rajiv Gandhi, Mohit Kapoor, Pampee P Young
Osteoarthritis (OA) is a degenerative joint disease involving both cartilage and synovium. The canonical Wnt/β-catenin pathway, which is activated in OA, is emerging as an important regulator of tissue repair and fibrosis. This study seeks to examine Wnt pathway effects on synovial fibroblasts and articular chondrocytes as well as the therapeutic effects of Wnt inhibition on OA disease severity. Mice underwent destabilization of the medial meniscus surgery and were treated by intra-articular injection with XAV-939, a small-molecule inhibitor of Wnt/β-catenin signaling...
February 8, 2018: JCI Insight
https://www.readbyqxmd.com/read/29413195/editorial-commentary-knee-medial-meniscus-root-tears-you-may-not-have-seen-it-but-it-s-seen-you
#9
EDITORIAL
Aaron J Krych
Medial meniscus root tears are becoming increasingly recognized in clinical practice as a source of profound pain and dysfunction in patients. There has been considerable debate about the cause of these distinct meniscus tears, and what the optimal treatment should be for an individual patient. Midterm medial meniscus root repair results suggest that in a well-aligned knee with minimal degenerative change, transtibial root repair is an effective technique for improving pain, function, and possibly preventing further cartilage degeneration...
February 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29408892/novel-technique-for-repairing-posterior-medial-meniscus-root-tears-using-porcine-knees-and-biomechanical-study
#10
Jia-Lin Wu, Chian-Her Lee, Chan-Tsung Yang, Chia-Ming Chang, Guoan Li, Cheng-Kung Cheng, Chih-Hwa Chen, Hsu-Shan Huang, Yu-Shu Lai
Transtibial pullout suture (TPS) repair of posterior medial meniscus root (PMMR) tears was shown to achieve good clinical outcomes. The purpose of this study was to compare biomechanically, a novel technique designed to repair PMMR tears using tendon graft (TG) and conventional TPS repair. Twelve porcine tibiae (n = 6 each) TG group: flexor digitorum profundus tendon was passed through an incision in the root area, created 5 mm postero-medially along the edge of the attachment area. TPS group: a modified Mason-Allen suture was created using no...
2018: PloS One
https://www.readbyqxmd.com/read/29399471/platelet-rich-fibrin-clot-augmented-repair-of-horizontal-cleavage-meniscal-tear
#11
Christopher Kowalski, Robert A Gallo
Although horizontal tears of the meniscus have historically been treated with partial meniscectomy due to poor vascularity within the tear, evidence suggests that repair of horizontal meniscal tears may be advantageous to partial meniscectomy. Furthermore, the addition of platelet-rich plasma has shown promise in improving meniscal healing. We present our technique of platelet-rich fibrin clot-augmented repair of horizontal cleavage meniscal tear.
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29397425/native-tissue-based-strategies-for-meniscus-repair-and-regeneration
#12
REVIEW
Zengzeng Zhang, Weimin Guo, Shuang Gao, Mingxue Chen, Xu Li, Xueliang Zhang, Xiaoguang Jing, Mingjie Wang, Yu Zhang, Shi Shen, Zehao Wang, Baichuan Sun, Ying Chai, Chengfu Zhou, Shuyun Liu, Quanyi Guo
Meniscus injuries appear to be becoming increasingly common and pose a challenge for orthopedic surgeons. However, there is no curative approach for dealing with defects in the inner meniscus region due to its avascular nature. Numerous strategies have been applied to regenerate and repair meniscus defects and native tissue-based strategies have received much attention. Native tissue usually has good biocompatibility, excellent mechanical properties and a suitable microenvironment for cellular growth, adhesion, redifferentiation, extracellular matrix deposition and remodeling...
February 3, 2018: Cell and Tissue Research
https://www.readbyqxmd.com/read/29396804/the-role-of-suture-cutout-in-the-failure-of-meniscal-root-repair-during-the-early-post-operative-period-a-biomechanical-study
#13
Ana Perez-Blanca, María Prado Nóvoa, Maximiano Lombardo Torre, Alejandro Espejo-Reina, Francisco Ezquerro Juanco, Alejandro Espejo-Baena
PURPOSE: To assess the role of suture cutout in the mechanics of failure of the repaired posterior meniscal root during the early post-operative period when using sutures of different shape. METHODS: Twenty medial porcine menisci were randomized in two groups depending on the suture shape used to repair the posterior root: thread or tape. The sutured menisci were subjected to cyclic loading (1000 cycles, (10, 30) N) followed by load-to-failure testing. Residual displacements, stiffness, and ultimate failure load were determined...
February 2, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29392109/clinical-outcome-of-meniscus-repair-for-isolated-meniscus-tear-in-athletes
#14
Hiroshi Nakayama, Ryo Kanto, Shunichiro Kambara, Kenji Kurosaka, Shintaro Onishi, Shinichi Yoshiya, Motoi Yamaguchi
Objective: To examine the clinical and functional outcomes for a series of patients who underwent meniscal repair for isolated meniscal tears focusing the study population on athletes. Methods: This study represents a case series of 46 athletes who underwent repair of isolated meniscal lesions of the knee from 2010 to 2015. Cases of discoid meniscal lesions and combined ligament injuries were excluded. The mean age of the patients was 22.9 years ranging from 12 to 50 years...
October 2017: Asia-Pacific Journal of Sports Medicine, Arthroscopy, Rehabilitation and Technology
https://www.readbyqxmd.com/read/29373290/clinical-outcomes-of-arthroscopic-primary-repair-of-proximal-anterior-cruciate-ligament-tears-are-maintained-at-midterm-follow-up
#15
Gregory S DiFelice, Jelle P van der List
PURPOSE: To assess the midterm clinical outcomes in patients with proximal avulsion anterior cruciate ligament (ACL) tears undergoing arthroscopic primary repair with suture anchors. METHODS: The first 11 consecutive patients with proximal avulsion tears treated with arthroscopic primary repair were evaluated at midterm (minimum 5-year) follow-up. Physical examination was performed; laxity examination consisting of the Lachman, pivot-shift, and anterior drawer tests was performed; and patients were asked to complete the Lysholm, modified Cincinnati, Single Assessment Numeric Evaluation, and International Knee Documentation Committee (IKDC) questionnaires...
January 16, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29364699/the-strength-of-transosseous-medial-meniscal-root-repair-using-a-simple-suture-technique-is-dependent-on-suture-material-and-position
#16
James R Robinson, Evelyn G Frank, Alan J Hunter, Paul J Jermin, Harinderjit S Gill
BACKGROUND: A simple suture technique in transosseous meniscal root repair can provide equivalent resistance to cyclic load and is less technically demanding to perform compared with more complex suture configurations, yet maximum yield loads are lower. Various suture materials have been investigated for repair, but it is currently not clear which material is optimal in terms of repair strength. Meniscal root anatomy is also complex; consisting of the ligamentous mid-substance (root ligament), the transition zone between the meniscal body and root ligament; the relationship between suture location and maximum failure load has not been investigated in a simulated surgical repair...
January 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29354475/circumferential-suture-repair-of-isolated-horizontal-meniscal-tears-augmented-with-fibrin-clot
#17
Michael S Laidlaw, F Winston Gwathmey
Traditionally, horizontal cleavage meniscus tears have been associated with osteoarthritis, indicative of the degenerative process. Recent treatment measures have focused on maintaining as much meniscal tissue as possible, despite the routine extension of these tears into the central white-white zones. In the absence of tunnel drilling for cruciate ligament reconstructions, the use of an exogenous fibrin clot is a useful adjunct to increase the local growth factors at the tear repair to aid in healing. This surgical technique is to describe the use of an all-arthroscopic tied circumferential suture repair of horizontal meniscal tears augmented with exogenous fibrin clot to treat all locations of horizontal meniscal tears...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29354453/arthroscopic-medial-meniscus-posterior-root-reconstruction-using-auto-gracilis-tendon
#18
Dhong Won Lee, Russel Haque, Kyu Sung Chung, Jin Goo Kim
There have been several techniques to repair the medial meniscus posterior root tears (MMPRTs) with the goal of restoring the anatomic and firm fixation of the meniscal root to bone. Many anatomic studies about the menisci also have been developed, so a better understanding of the anatomy could help surgeons perform correct fixation of the MMPRTs. The meniscal roots have ligament-like structures that firmly attach the menisci to the tibial plateau, and this structural concept is important to restore normal biomechanics after anatomic root repair...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29354445/arthroscopic-saucerization-and-all-inside-repair-of-a-delaminated-discoid-lateral-meniscus
#19
William A Zuke, Gregory L Cvetanovich, Beatrice Go, Brian Forsythe
Preservation of the meniscus has been shown to influence the progression of degenerative changes of the knee. As more meniscus is preserved, the propensity for development of osteoarthritis is lessened. Surgical treatment of a torn discoid meniscus has typically been a subtotal meniscectomy or partial meniscectomy. Similar to tears of a normal meniscus, partial meniscectomy compared with subtotal meniscectomy of the discoid meniscus confers better long-term results. With the abnormal morphology predisposing the discoid meniscus to tearing, several characteristic tear patterns can be observed-the horizontal tear being commonly encountered...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29354437/augmentation-of-the-pullout-repair-of-a-medial-meniscus-posterior-root-tear-by-arthroscopic-centralization
#20
Hideyuki Koga, Toshifumi Watanabe, Masafumi Horie, Hiroki Katagiri, Koji Otabe, Toshiyuki Ohara, Mai Katakura, Ichiro Sekiya, Takeshi Muneta
The meniscus roots are critical for meniscus function in preserving correct knee kinematics and avoiding meniscus extrusion and, consequently, in the progression of osteoarthritis. Several techniques exist for medial meniscus posterior root tear repair; however, current surgical techniques have been proved to fail to reduce meniscus extrusion, which has been shown to be associated with development of osteoarthritis, although significant improvements in the postoperative clinical findings have been achieved...
August 2017: Arthroscopy Techniques
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