Standardizing and Classifying Anterior Cruciate Ligament Injuries: An International Multicenter Study Using a Mobile Application.

: This international multicenter study aimed to assess the effectiveness of the Pivot-Shift Meter (PSM) mobile application in diagnosing and classifying anterior cruciate ligament (ACL) injuries, emphasizing the need for standardization to improve diagnostic precision and treatment outcomes. : ACL evaluations were conducted by eight experienced orthopedic surgeons across five Latin American countries (Bolivia, Chile, Colombia, Ecuador, and Mexico). The PSM app utilized smartphone gyroscopes and accelerometers to standardize the pivot-shift test.

Mobile App for Enhanced Anterior Cruciate Ligament (ACL) Assessment in Conscious Subjects: "Pivot-Shift Meter".

Anterior cruciate ligament (ACL) instability poses a considerable challenge in traumatology and orthopedic medicine, demanding precise diagnostics for optimal treatment. The pivot-shift test, a pivotal assessment tool, relies on subjective interpretation, emphasizing the need for supplementary imaging. This study addresses this limitation by introducing a machine learning classification algorithm integrated into a mobile application, leveraging smartphones' built-in inertial sensors for dynamic rotational stability assessment during knee examinations.

Innovative knee surgery: arthroscopic double bundle U-DOS reverse Technique for PCL tears.

The Double Bundle U-DOS Reverse Technique for posterior cruciate ligament (PCL) tears is a novel arthroscopic technique that combines two well-known procedures: the mono-tunnel approach and the medial-portal approach, provides better posterior stability, improved functional outcomes, and a reduced risk of posterior tibial subluxation. This technique allows for the simultaneous treatment of anterolateral and posteromedial bundles and has been successfully performed on 16 patients, with follow-up showing sufficient support and resistance to posterior tibial subluxation or excessive displacement, resulting in a stable knee joint.

[Reliability of radiographic parameters to determine the surgical success in distal radius fractures].

Introduction: distal radius fractures are the most common in upper extremities. Therefore, it is important to standardize radiographic measures for their surgical approach. This study assessed the intra/interobserver reproducibility of radiographic parameters associated with surgical success of distal radius fractures.

U-Dos Double-Bundle and Single-Bundle Allograft Anterior Cruciate Ligament Reconstruction: A Comparative Study.

Anterior cruciate ligament (ACL) injuries are very common among athletes. If these injuries are not repaired, meniscus and cartilage damage will arise, with serious consequences in the joint. Different options for ACL reconstruction have been described, aiming for anteroposterior, lateral, and rotational stability.

[Intraclass correlation intra- and inter-observer of the pivot-shift maneuver through mobile application: ''pivot-shift meter''].

Introduction: The anterior cruciate ligament is an anatomical structure that tends to cause problems for specialists when formulating an accurate diagnosis. There are measurement tools that support the diagnosis such as the KT1000; however, it still has some limitations, since it only manages to measure a single axis of movement, while the "pivot-shift" maneuver manages to capture more information about the state of the ligament, as it allows to evaluate the three axes of movement of the joint. The "pivot-shift" maneuver lacks a standard execution, therefore it can produce disagreement between evaluators; this creates the need for a tool capable of standardizing the maneuver, while providing an interpretable measurement.

[Quantitative classification of pivot-shift maneuver].

Introduction: The diagnosis of ACL injury is established with the physical examination that includes the Lachman maneuver and the pivot-shift test since it has the highest positive predictive value. Imaging tests such as MRI are still used for confirmation of the same; so the quantification of clinical maneuvers is sought.

Material And Methods: Prospective clinical study in which the maneuvers of pivot-shift and Lachman are quantified for later classification.

[Comparative study of anterior cruciate ligament reconstruction between the One Band and U-Two techniques].

Introduction: ACL injuries are found within the most common ligament injuries. This has led to the development of different surgical techniques to restore knee stability.

Material Y Methods: Clinical study, randomized, blind comparing ACL reconstruction techniques with One Band and «U-Two» using clinical scales and arthrometria with KT-1000 and Pivot Shift Meter.

[Interpretation of the pivot test using accelerometers in the orthopedic practice].

The anterior (A) and posterior (P) cruciate ligaments (CL) of the knee, located inside the joint, connect the femur and the tibia and thus provide stability in the anteroposterior axis of one bone over the other. The anterior cruciate ligament (ACL) may be injured as a result of rotation when practicing a sport involving turning with the foot on the ground. ACL injuries are diagnosed with maneuvers like the Lachman, drawer and pivot.

[Anterior cruciate ligament-plasty using the "U-dos" technique].

The knee is a compound diarthrodial joint, vulnerable to serious injuries such as ligament injuries of: medial collateral ligament, lateral collateral ligament, anterior cruciate ligament and posterior cruciate ligament, as cruciate ligaments limit rotation movement in the joint. The purpose of our study was to create a new technique to treat injuries of the anterior cruciate ligament, which is composed of two bundles--anteromedial and posterolateral--trying to achieve an anatomical reconstruction that allows for a normal biomechanical recovery. This technique reduces the use of fixation material and costs.

Gluteal Compartment Syndrome following an Iliac Bone Marrow Aspiration.

The compartment syndrome is a condition characterized by a raised hydraulic pressure within a closed and non expandable anatomical space. It leads to a vascular insufficiency that becomes critical once the vascular flow cannot return the fluids back to the venous system. This causes a potential irreversible damage of the contents of the compartment, especially within the muscle tissues.

Double-bundle and double-tunnel ACL reconstruction with looped proximal tibial fixation.

Double-bundle anterior cruciate ligament (ACL) reconstruction can be demanding and time consuming and requires twice as many implants, increasing both costs and possible complications. In this article, we present a new approach to double bundle ACL reconstruction: a biological fixation of the tibial side by means of a double tunnel and a U-shape passage of an anterior tibialis allograft, fixed into a double tunnel on the femoral condyle with 2 interference bioabsorbable screws. The technique is designed to combine 2 known procedures for the regular knee surgeon: the mono-tunnel technique and the medial-portal approach.

Synovial tissue and synovial fluid.

Synovial tissue is a highly specialized tissue that keeps the articular joint well lubricated, and at the same time provides nutrients to the articular surface. A joint needs a small amount of synovial fluid to work. Although the tissue structure is simple, its function is highly sophisticated.