keyword
https://read.qxmd.com/read/38469949/the-anteromedial-retinaculum-in-acl-injured-knees-an-overlooked-injury
#21
JOURNAL ARTICLE
Ole Grunenberg, Mirjam Gerwing, Simon Oeckenpöhler, Christian Peez, Thorben Briese, Johannes Glasbrenner, Luise M Hägerich, Michael J Raschke, Christoph Kittl, Elmar Herbst
PURPOSE: The purpose of this study was to retrospectively analyse the pattern of injury to the medial knee structures in anterior cruciate ligament (ACL) injured patients. It was hypothesised that anteromedial injuries would be more common than posteromedial lesions. METHODS: One hundred and twenty subjects aged 18-25 years with a primary ACL injury were included. Patients were excluded if the time between injury and magnetic resonance imaging (MRI) was more than 28 days or if a knee dislocation or fracture was present...
March 12, 2024: Knee Surgery, Sports Traumatology, Arthroscopy
https://read.qxmd.com/read/38466690/retrospective-study-of-patellar-fractures-and-damage-of-accessory-soft-tissue-based-on-mri
#22
JOURNAL ARTICLE
Yi-Fan Hua, Yu-Rou Zhang, Li Guo
BACKGROUND: To better understand the pathophysiological mechanisms of patellar fractures, MRI was utilized to identify the imaging signs of various types of patellar fractures. METHODS: A retrospective study was performed using MRI images of 52 patients with patellar fractures. Observing the development of patellar and femoral morphology and the imaging manifestations of different fracture types, such as fracture displacement, and damage to accessory ligaments, tendons, and meniscus, type of joint cavity effusion, and damage to surrounding accessory bones were identified...
2024: PloS One
https://read.qxmd.com/read/38466058/improving-clinical-outcomes-hightibialosteotomy-plate-placement-combined-with-arthroscopic-surgery
#23
JOURNAL ARTICLE
Qiang Shen, Shucheng Deng, Juan Hong, Bo Liu, Guoyong Cao, Qiang Zhou, Han Zhao
OBJECTIVE: Our study aimed to investigate the clinical efficacy of hightibialosteotomy (HTO) posterior plate placement combined with arthroscopic surgery for degenerative injury of the posterior horn of the medial meniscus with poor force lines in the lower extremity, improve joint function or relieve pain. METHODS: The case data of 98 patients with osteoarthritis of the knee admitted to the Department of Orthopedics in our hospital from January 2019 to January 2023 were selected for retrospective analysis...
March 8, 2024: Alternative Therapies in Health and Medicine
https://read.qxmd.com/read/38465033/double-trouble-a-case-report-of-a-locked-knee-due-to-a-loose-body-and-a-degenerative-osteophyte
#24
Muhammad Fadzil Salleh, Muhamad Karbela Reza Ramlan, Ahmad Farihan Mohd Don, Suria Hayati Md Pauzi, Badrul Akmal Hisham Md Yusoff
An acutely locked knee is an incapacitating condition that requires urgent orthopedic intervention. Common causes of the locked knee include a tear of the meniscus, stump of a ruptured anterior cruciate ligament (ACL), loose body, and osteochondral injury. This report describes a rare case of an acutely locked knee due to the concurrent presence of a loose body and a degenerative osteophyte, highlighting the diagnostic challenges and treatment strategies employed for successful management. Notably, to our knowledge, there is no preceding report documenting the same etiology...
February 2024: Curēus
https://read.qxmd.com/read/38461400/a-new-neural-network-model-that-detects-graft-ruptures-and-contralateral-anterior-cruciate-ligament-injuries
#25
JOURNAL ARTICLE
Shintaro Usami, Yuka Kimura, Masashi Matsuzaka, Yoshihiro Sasaki, Shizuka Sasaki, Eiji Sasaki, Eiichi Tsuda, Yasuyuki Ishibashi
PURPOSE: The purpose of this study was to develop a neural network model for predicting second anterior cruciate ligament (ACL) injury risk following ACL reconstruction using patient features from medical records. METHODS: Of 486 consecutive patients who underwent primary unilateral ACL reconstruction, 386 patients (198 women, 188 men) with a mean age of 25.1 ± 11.6 years were included in this study. Fifty-eight features, including demographic data, surgical, preoperative and postoperative data, were retrospectively collected from medical records, and features with an incidence of less than 5% were excluded...
March 10, 2024: Knee Surgery, Sports Traumatology, Arthroscopy
https://read.qxmd.com/read/38459981/hypertrophied-medial-parapatellar-plica-a-case-of-a-medial-plica-anatomical-variation-with-insertion-to-the-inter-meniscal-ligament-in-an-adolescent-athlete-treated-arthroscopically
#26
JOURNAL ARTICLE
Angelo V Vasiliadis, Nikolaos E Koukoulias, Theofilos Dimitriadis, Trifon Totlis
PURPOSE: The present study aims to report the arthroscopic, radiological and clinical appearance of a rare anatomical variation of a hypertrophied medial parapatellar plica with its response to arthroscopic treatment. CASE PRESENTATION: A 14-year-old female handball athlete presented with a history of left knee injury during her participation in a handball training session and subsequent locked knee at 20º flexion. Tenderness was located at the medial joint line...
March 9, 2024: Surgical and Radiologic Anatomy: SRA
https://read.qxmd.com/read/38454792/females-show-worse-functional-outcome-and-quality-of-life-compared-to-males-2-years-after-meniscus-surgery-%C3%A2-data-analysis-from-the-german-arthroscopy-registry
#27
JOURNAL ARTICLE
Celine Mai, Patrick Mai, Maximilian Hinz, Rebecca Saenger, Romain Seil, Thomas Tischer, Philip P Roessler
PURPOSE: The purpose of this study was to investigate the impact of sex on knee function, activity and quality of life following meniscus surgery using data from the German Arthroscopy Registry. METHODS: This is a retrospective cohort study with data collected between 2017 and 2022. Patient-reported outcome measures (PROMs), namely Knee Injury and Osteoarthritis Outcome Score (KOOS), EuroQol Visual Analogue Scale (EQ Scale), and Marx Activity Rating Scale (MARS), were collected preoperatively and at 6, 12 and 24 months postoperatively...
March 7, 2024: Knee Surgery, Sports Traumatology, Arthroscopy
https://read.qxmd.com/read/38448565/segond-fracture-an-indicator-for-increased-risk-of-lateral-meniscus-injury-in-patients-with-acute-anterior-cruciate-ligament-ruptures
#28
JOURNAL ARTICLE
Sharif Garra, Michael R Moore, Zachary I Li, Jordan Eskenazi, Taylor Jazrawi, Andrew S Bi, Kirk A Campbell, Michael J Alaia, Eric J Strauss
PURPOSE: The purpose of this study was to investigate the incidence and anatomic distribution of meniscus injury in patients who have sustained acute ACL injuries with and without concomitant Segond fracture. We hypothesized that patients who have sustained a torn ACL with a concomitant Segond fracture would have a higher incidence of lateral meniscal injuries than patients with an isolated ACL injury. METHODS: Patients who underwent ACL reconstruction from 2012 to 2022 were retrospectively reviewed...
March 6, 2024: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://read.qxmd.com/read/38442768/modulation-of-early-osteoarthritis-by-tibiofemoral-re-alignment-in-sheep
#29
JOURNAL ARTICLE
Jan Reinhard, Tamás Oláh, Matthias W Laschke, Lars K H Goebel, Gertrud Schmitt, Susanne Speicher-Mentges, Michael D Menger, Magali Cucchiarini, Dietrich Pape, Henning Madry
OBJECTIVE: To investigate whether tibiofemoral alignment influences early knee osteoarthritis (OA). We hypothesized that varus overload exacerbates early degenerative osteochondral changes, and that valgus underload diminishes early OA. METHOD: Normal, over- and underload were induced by altering alignment via high tibial osteotomy in adult sheep (n = 8 each). Simultaneously, OA was induced by partial medial anterior meniscectomy. At 6 weeks postoperatively, OA was examined in five individual subregions of the medial tibial plateau using Kellgren-Lawrence grading, quantification of macroscopic OA, semiquantitative histopathological OA and immunohistochemical type-II collagen, ADAMTS-5, and MMP-13 scoring, biochemical determination of DNA and proteoglycan contents, and micro-computed tomographic evaluation of the subchondral bone...
March 3, 2024: Osteoarthritis and Cartilage
https://read.qxmd.com/read/38435716/association-of-increased-lateral-femoral-condylar-ratio-with-lateral-meniscus-posterior-root-tear-in-noncontact-acl-injury
#30
JOURNAL ARTICLE
Nam-Hong Choi, Bong-Seok Yang, Dong-Min Lee, Choong-Ryul Lee
BACKGROUND: In the setting of anterior cruciate ligament (ACL) injury, lateral meniscus posterior root tears (LMPRTs) are less readily diagnosed on preoperative magnetic resonance imaging (MRI). Therefore, to predict LMPRTs in ACL injuries, it is necessary to understand the risk factors associated with them. PURPOSE/HYPOTHESIS: The purpose of this study was to investigate the association of lateral femoral condylar ratio (LFCR) with LMPRTs in ACL injuries. It was hypothesized that an increased LFCR would be associated with LMPRTs in noncontact ACL injuries...
March 2024: Orthopaedic Journal of Sports Medicine
https://read.qxmd.com/read/38435313/usefulness-of-platelet-rich-fibrin-as-a-scaffold-for-meniscal-repair-a-non-randomized-controlled-cohort-follow-up-study
#31
JOURNAL ARTICLE
Masahiko Kemmochi
BACKGROUND: Although regenerative medicine treatment is still in its infancy in Japan, legislation within the past decade has provided opportunities to explore new treatment methods using regenerative medicine. We conducted a 2-year prospective follow-up study to statistically analyze treatment outcomes using platelet-rich plasma (PRP) and platelet-rich fibrin (PRF) as effective scaffolds in meniscal repair.Questions/Purposes.1. Does the use of PRF and PRP for meniscal repair surgery regenerate the meniscus?2...
June 2024: Journal of Orthopaedics
https://read.qxmd.com/read/38435270/arthroscopic-lateral-meniscus-root-repair-with-reverse-suture-anchor-technique
#32
JOURNAL ARTICLE
Chenyang Meng, Yizhong Ren, Lingyue Kong, Jiantao Guo, Yunan Zhao, Changxu Han
The stability of the knee joint is crucially dependent on the integrity of the lateral meniscus posterior root, which is often accompanied by anterior cruciate ligament injury. Anchor suture repair for lateral meniscus posterior root injury not only achieves better biomechanical effects but also ensures favorable prognosis. However, the placement of anchors often requires the establishment of a posterior approach, and the insertion of an anchor is a technical challenge. In light of this, we have applied the technique of reverse anchor fixation for repairing the lateral meniscus posterior root, which not only simplifies the procedure but also effectively reduces the "bungee effect...
February 2024: Arthroscopy Techniques
https://read.qxmd.com/read/38435263/arthroscopic-repair-of-acute-traumatic-medial-patellofemoral-ligament-tears-at-the-patellar-insertion
#33
JOURNAL ARTICLE
Thun Itthipanichpong, Pawarit Wipaswatcharayotin, Danaithep Limskul, Thanathep Tanpowpong, Somsak Kuptniratsaikul, Napatpong Thamrongskulsiri
After a lateral patellar dislocation or subluxation, injury to the medial patellofemoral ligament (MPFL) is common. The MPFL originates between the medial epicondyle and the adductor tubercle, inserting along the superior one-third border of the medial patella. Operative treatment becomes necessary for patients with intra-articular pathology (such as osteochondral injuries or meniscus tears) or those experiencing recurrent dislocations. Numerous surgical techniques have been proposed for addressing this issue, with MPFL reconstruction being the most frequently performed procedure...
February 2024: Arthroscopy Techniques
https://read.qxmd.com/read/38435252/anchor-based-meniscal-ramp-repair
#34
JOURNAL ARTICLE
Elizabeth Marks Benson, Audria Wood, Chandler Harris, Patrick Smith, John Xerogeanes, Aaron Casp, Amit Momaya
Ramp lesions of the medial meniscus are underdiagnosed because of difficulty in visualizing via magnetic resonance imaging and during arthroscopy. They most often occur simultaneously with anterior cruciate ligament (ACL) injury but may also be associated with posterior plateau contusions, steeper medial tibial plateau slope, and excess varus alignment. Upwards of 24% of ACL reconstructions have concomitant ramp lesions. Failure to repair the ramp lesion is associated with increased rotational laxity, tibial translocation, persistent pivot shift, and poorer outcomes after ACL reconstruction...
February 2024: Arthroscopy Techniques
https://read.qxmd.com/read/38432607/inhibition-of-phlpp1-preserves-the-mechanical-integrity-of-articular-cartilage-in-a-murine-model-of-post-traumatic-osteoarthritis
#35
JOURNAL ARTICLE
Katherine M Arnold, Samantha R Weaver, Elizabeth L Zars, Daniel J Tschumperlin, Jennifer J Westendorf
OBJECTIVE: Phlpp1 inhibition is a potential therapeutic strategy for cartilage regeneration and prevention of post-traumatic osteoarthritis (PTOA). To understand how Phlpp1 loss affects cartilage structure, cartilage elastic modulus was measured with atomic force microscopy (AFM) in male and female mice after injury. METHODS: Osteoarthritis was induced in male and female Wildtype (WT) and Phlpp1-/- mice by destabilization of the medial meniscus (DMM). At various timepoints post-injury, activity was measured, and knee joints examined with AFM and histology...
March 1, 2024: Osteoarthritis and Cartilage
https://read.qxmd.com/read/38431797/hypermobile-lateral-meniscus-a-systematic-review-of-current-treatment-options
#36
JOURNAL ARTICLE
Fardis Vosoughi, Asma Mafhoumi, Mahdi Gouravani, Robert F LaPrade, Arash Sherafat Vaziri, Mohammad Movahedinia, Sohrab Keyhani
PURPOSE: The reliable data on the incidence of hypermobile lateral meniscus (HLM) and its clinical manifestations, diagnostic methods and therapeutic approaches are limited. This systematic study aimed to review available treatment options for HLM and the outcomes of each approach. METHODS: A systematic search was performed in four electronic databases (PubMed, EMBASE, Scopus, Web of Science) to identify studies in which arthroscopically confirmed cases of HLM were treated surgically or nonsurgically, and the required data comprising study characteristics, patient data, treatment approaches and outcome measures were extracted from eligible studies...
March 3, 2024: Knee Surgery, Sports Traumatology, Arthroscopy
https://read.qxmd.com/read/38430224/the-relevance-of-knee-arthroscopy-photographs-in-medicolegal-proceedings
#37
JOURNAL ARTICLE
Clément Horteur, Thibault Della Rosa, Benoit Gaulin, Vincent Morin, Brice Rubens Duval, Johannes Barth, Régis Pailhe
PURPOSE: Whether photographs included in the operative report of knee arthroscopies can make the surgeon liable in the event of a legal investigation remains unknown. The main objective of this study was to establish inter-observer reliability in determining the presence or absence of lesions of the cartilage, meniscus and anterior cruciate ligament (ACL). Secondary objective was to assess the inter-observer reliability in classifying lesions. METHOD: A retrospective observational study was conducted in a continuous serie of 60 patients who underwent knee arthroscopy from the same operator...
March 2, 2024: International Orthopaedics
https://read.qxmd.com/read/38423359/meniscocapsular-release-technique-to-reduce-chronic-and-challenging-bucket-handle-meniscus-tear
#38
German Alejandro Jaramillo Quiceno, Paula Andrea Sarmiento Riveros, Rubén Darío Arias Pérez, Felipe García Jaramillo
Several surgical procedures for the repair of bucket handle meniscus tears have been reported in the literature. However, even the most skilled surgeon can find it difficult to treat chronic and locked lesions, which typically result in meniscectomies. Therefore, a repair method for bucket-handle meniscus tears that are chronic and locked is shown, along with a case series where this procedure was used. The technique consists of a release of the joint capsule attachment to the meniscal body, which increases the mobility of the meniscus and facilitates the reduction of the injury, allowing subsequent repair through a combination of both all-inside and inside-out repair techniques...
February 27, 2024: Journal of ISAKOS
https://read.qxmd.com/read/38419311/assessing-the-frequency-and-effectiveness-of-various-arthroscopic-treatments-in-the-management-of-symptomatic-isolated-medial-meniscus-injuries-including-medial-meniscus-posterior-root-tear-a-retrospective-observational-cohort-study
#39
JOURNAL ARTICLE
Masanori Tamura, Takayuki Furumatsu, Yusuke Yokoyama, Keisuke Kintaka, Naohiro Higashihara, Koki Kawada, Toshifumi Ozaki
The use of various strategies for arthroscopic meniscal repairs to save the meniscus and prevent the progression of knee osteoarthritis has gradually increased. We investigated the frequency of various arthroscopic treatments and the short-term clinical outcomes of symptomatic isolated medial meniscus (MM) injuries. This retrospective observational study included 193 patients (197 knees) who underwent arthroscopic meniscal treatment for isolated MM injuries between January 2016 and April 2019. Arthroscopic meniscal repairs were divided into two groups: transtibial pullout repairs of MM posterior root tears (MMPRTs) and arthroscopic meniscal repairs for other types of MM injuries...
February 2024: Acta Medica Okayama
https://read.qxmd.com/read/38413194/accurate-spatio-temporal-delivery-of-nitric-oxide-facilitates-the-programmable-repair-of-avascular-dense-connective-tissues-injury
#40
JOURNAL ARTICLE
Yubo Feng, Lefeng Su, Lei Liu, Zhanyi Chen, Yucheng Ji, Yuwei Hu, Dandan Zheng, Zhi Chen, Changbin Lei, He Xu, Yingchao Han, Hongxing Shen
Avascular dense connective tissues (e.g., the annulus fibrosus (AF) rupture, the meniscus tear, and tendons and ligaments injury) repair remains a challenge due to the "biological barrier" that hinders traditional drug permeation and limits self-healing of the injured tissue. Here, accurate delivery of nitric oxide (NO) to penetrate the "AF biological barrier" is achieved thereby enabling programmable AF repair. NO-loaded BioMOFs are synthesized and mixed in a modified polyvinyl alcohol and PCL-composited electrospun fiber membrane with excellent reactive oxygen species-responsive capability (LN@PM)...
February 27, 2024: Advanced Healthcare Materials
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