735 results match your criteria: "Collateral Ligament Pathology Knee"

Article Synopsis
  • The study investigates how extra-articular deformities (EADs) affect knee alignment and the integrity of collateral ligaments during total knee arthroplasty (TKA), highlighting the complexity these deformities add to surgeries.
  • Using advanced imaging and AI-assisted planning, researchers created 3D models to simulate various knee deformities and assess their impact on mechanical axis alignment and ligament risk.
  • Results indicate that larger deformities close to the knee lead to greater alignment deviations, but careful preoperative planning can minimize ligament damage by allowing a slight residual deformity in alignment.
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METTL14-mediated lncRNA-FAS-AS1 promotes osteoarthritis progression by up-regulating ADAM8.

Int J Rheum Dis

September 2024

Department of Orthopedics, The Third Affiliated Hospital of Inner Mongolia Medical University, Inner Mongolia BaoGang Hospital, Baotou, Inner Mongolia, China.

Background: Osteoarthritis (OA) is a prevalent degenerative disease. We explored the role and regulatory mechanisms of lncRNA-FAS-AS1 in OA progression.

Methods: We exposed human immortalized chondrocytes to IL-1β for 24 h to induce an OA cell model.

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Objectives This study aimed to characterize and compare the features of traumatic and non-traumatic lesions causing knee pain through magnetic resonance imaging (MRI). Method The study was conducted at a tertiary care center, with data sourced from patients visiting the outpatient and in-patient departments. It involved a descriptive cross-sectional research design focusing on patients referred for knee MRI scanning.

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[Ligamentous and meniscal injuries of the pediatric knee joint].

Orthopadie (Heidelb)

August 2024

Klinikum Stuttgart, Orthopädische Klinik Olgahospital, Kriegsbergstr. 62, 70174, Stuttgart, Deutschland.

Article Synopsis
  • * MRI is the main method for diagnosing these injuries, while surgical intervention using the transphyseal technique has become the standard for treating ACL injuries in younger patients.
  • * Post-surgery, consistent follow-up and rehabilitation are crucial to prevent re-injury, with special consideration given to symptomatic disc meniscus injuries, while isolated tears in collateral or posterior cruciate ligaments are very rare.
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Periarticular calcification of the knee joint is a rare pathology that may be challenging to diagnose and manage when symptomatic. Here, we describe the first use of fluoroscopic-guided percutaneous needle aspiration and lavage (barbotage) with corticosteroid injection in a case of symptomatic calcification of the lateral collateral ligament (LCL). A 75-year-old female presented with acute lateral knee pain and stiffness, which subsequent radiographic imaging and diagnostic injection confirmed to be attributed to calcification within the LCL.

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Arthroscopic anterior deltoid plication with bone anchor is an effective procedure to control residual talar anterior translation after lateral ligament repair.

Knee Surg Sports Traumatol Arthrosc

August 2024

Laboratory of Arthroscopic and Surgical Anatomy, Department of Pathology and Experimental Therapeutics (Human Anatomy Unit), University of Barcelona, Barcelona, Spain.

Article Synopsis
  • Residual symptoms after ankle lateral ligament repairs can occur due to hyperlaxity and instability; this study explores anterior deltoid plication as an additional stabilization technique.
  • The procedure involved eight patients with continued instability post-lateral ligament repair, who underwent arthroscopic plication of the anterior deltoid using a bony anchor.
  • Results showed subjective improvement in all patients, with negative anterior drawer tests and a significant increase in the American Orthopedic Foot and Ankle Society score, suggesting that deltoid plication effectively enhances ankle stability.
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Article Synopsis
  • Knee joint injuries are common globally, and MRI is an effective tool for diagnosing these disorders; a study in Lagos, Nigeria, aimed to analyze MRI findings and clinical presentations of knee abnormalities in adults.
  • The study involved 158 adult patients (92 males and 66 females) with a high prevalence of previous trauma; prevalent pathologies included joint effusion and various meniscal and ligament injuries, with male participants showing more ACL abnormalities.
  • The study found no significant difference in abnormalities between the right and left knees, highlighting the diverse nature of knee disorders, especially the correlation between ACL injuries and other joint issues.
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What Is New about the Semimembranosus Distal Tendon? Ultrasound, Anatomical, and Histological Study with Clinical and Therapeutic Application.

Life (Basel)

May 2024

Unit of Human Anatomy and Embryology, Department of Pathology and Experimental Therapeutics, Faculty of Medicine and Health Sciences (Bellvitge Campus), University of Barcelona, L'Hospitalet de Llobregat, 08907 Barcelona, Spain.

Article Synopsis
  • - The study focused on the semimembranosus muscle and its tendons, highlighting their anatomical features and relevance to knee pathologies through ultrasound examination and dissection.
  • - Researchers examined 38 adult and 4 fetal knee specimens to analyze the muscle's anatomy and functions, noting significant tendon divisions, muscle rotation, and key measurements of the structure.
  • - Findings showed important anatomical relationships that aid in understanding knee issues, which can enhance diagnosis and rehabilitation strategies following knee surgery.
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Article Synopsis
  • Rotational ankle instability affects up to 18% of chronic lateral ankle instability cases, caused by injuries to the deltoid ligament due to a deficiency in the lateral collateral ligament.
  • This study observed 12 patients who underwent arthroscopic ligament reconstruction from 2020 to 2023, measuring outcomes with validated questionnaires before and after surgery.
  • Significant improvements were found in all domains of the Manchester-Oxford Foot Questionnaire, while minor complications occurred, indicating that this surgical method effectively enhances recovery in patients with rotational ankle instability.
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The deltoid ligament is constantly formed by four fascicles reaching the navicular, spring ligament complex, calcaneus and talus.

Knee Surg Sports Traumatol Arthrosc

December 2024

Human Anatomy and Embryology Unit, Department of Pathology and Experimental Therapeutics, University of Barcelona, Barcelona, Spain.

Purpose: The medial collateral ligament of the ankle, or deltoid ligament, can be injured in up to 40% of patients who sustain an ankle inversion sprain. Reporting injuries of the deltoid ligament is not easy due to confusion in the current anatomical descriptions, with up to 16 fascicles described, with variable frequencies. The purpose of this study was to clarify the anatomy of the deltoid ligament.

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Arthroscopic repair is an effective treatment for dynamic medial ankle instability secondary to posttraumatic and partial injury of the deltoid ligament deep fascicle.

Knee Surg Sports Traumatol Arthrosc

December 2024

Laboratory of Arthroscopic and Surgical Anatomy, Department of Pathology and Experimental Therapeutics (Human Anatomy Unit), University of Barcelona, Barcelona, Spain.

Article Synopsis
  • * Seven male patients, averaging 23 years old, underwent surgery after nonoperative treatments failed, with the median follow-up period being 34 months.
  • * Results showed significant improvement in patient outcomes, with a notable increase in their American Orthopedic Foot and Ankle Society score from 68 to 100, indicating successful repair of the MCL and addressing associated ligament injuries.
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Measuring Technique for Meniscal Extrusion Using Ultrasound in the Setting of Posterior Medial Meniscal Root Tears.

Arthrosc Tech

April 2024

Department of Orthopaedic Surgery, Division of Sports Medicine, Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, Illinois, U.S.A.

Meniscal extrusion (ME) is a valuable, noninvasive diagnostic tool for meniscus pathology. In addition, ultrasound can allow for instant results in the office. However, ME is a fragile metric in the degree of millimeters.

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Tibial-sided posterior cruciate ligament avulsion fractures are challenging injuries that often occur concomitantly in the setting of multiligament knee and other soft-tissue injuries. There is no consensus on the optimal surgical approach or timing of treatment for these injuries. This Technical Note describes the fixation of a displaced posterior cruciate ligament avulsion fracture with concomitant grade 3 medial collateral ligament injuries and bucket-handle lateral meniscus tears using open and arthroscopic techniques.

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Purpose: Rotational ankle instability is a multiligamentous injury defined as an overload injury of the deltoid ligament caused by a long-standing injury of the lateral collateral ligament in patients affected by chronic ankle instability. The purpose of the study was to compare the clinical outcomes of combined arthroscopic repair of lateral and medial ankle ligaments for rotational ankle instability versus isolated arthroscopic lateral ligament repair for lateral ankle instability at 2 years' follow-up.

Methods: Between 2019 and 2021, 108 patients with chronic ankle instability were consecutively treated by arthroscopy.

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The human knee is a complex joint that comprises several ligaments, including the medial collateral ligament (MCL). The MCL provides stability to the knee and helps prevent its excessive inward movement. The MCL also has a thin layer of connective tissue known as the epiligament (EL), which adheres to the ligament.

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Background: Meniscal extrusion is a phenomenon in which a degenerative posterior horn tear, radial tear, or root tear results in displacement of the body of the meniscus medial to the tibial rim. The paramount function of the meniscus is to provide load distribution across the knee joint. Meniscal extrusion will prevent the meniscus from properly fulfilling this function and eventually leads to progression of osteoarthritis.

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Anterior talofibular ligament's superior fascicle as a cause of ankle microinstability can be routinely identified by ultrasound.

Knee Surg Sports Traumatol Arthrosc

February 2024

Department of Pathology and Experimental Therapeutics, Human Anatomy and Embryology Unit, School of Medicine and Health Science, University of Barcelona, Barcelona, Spain.

Purpose: Chronic pain can affect up to 40% of patients after ankle inversion sprains. The current hypothesis to explain this high percentage of chronic pain is a partial/total rupture of anterior talofibular ligament (ATFL) superior fascicle, a structure that has recently been described as intra-articular and as having a different function than ATFL's inferior fascicle. This has created the need for diagnosing ATFL superior and inferior fascicles independently.

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Human Adipose-derived Stem Cells Upregulate IGF-1 and Alleviate Osteoarthritis in a Two-stage Rabbit Osteoarthritis Model.

Curr Stem Cell Res Ther

September 2024

Stem Cell Center, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200120, China.

Objective: In recent times, it has been recognized that mesenchymal stem cells (MSCs) possess the capability to address osteoarthritis (OA). The objective of this research was to examine the impact of injecting human adipose-derived stem cells (hADSCs) into a novel rabbit osteoarthritis model with dual damage.

Methods: The OA model was established surgically first by medial collateral ligament and anterior cruciate ligament transection and medial meniscectomy, then by articular cartilage full-thickness defect.

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Background: There is an increasing rate of procedures being performed for concomitant injuries during anterior cruciate ligament (ACL) surgery. Few studies have examined risk factors for these associated injuries in young patients.

Hypothesis: There are patient-related factors predictive of concomitant knee pathology that differ between age-based cohorts.

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Background: Hyperintensity in the proximal lateral collateral ligament (LCL) is often confusing. This appearance may be alone or accompany other pathologies.

Purpose: To investigate the relationship between the signal intensity (SI) change in the proximal LCL and the knee joint pathologies.

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Purpose: Open ligament repair is widely considered the gold standard treatment for chronic ankle instability. Nevertheless, arthroscopic treatment of ankle instability has gained popularity becoming the preferred technique for many surgeons. This study aimed to compare the clinical outcomes of all-inside arthroscopic versus open lateral ligament repair for chronic ankle instability at 5 years follow-up.

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Objective: The medial meniscus extrusion (MME) is associated with increased stress on the knee joint, which leads to cartilage degeneration. To evaluate the etiology of knee osteoarthritis, it is extremely important to create animal models of the disease that more closely resemble actual clinical conditions in terms of symptomatology, molecular biology, and histology. This study aimed to create a clinically relevant model of MME in rats.

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