Publications by authors named "Ruben Dario Arias Perez"

Introduction: Accurate diagnosis of subscapularis tears remains challenging due to the limitations of physical examinations and imaging techniques. Therefore, specific radiological parameters have been proposed as predictors of atraumatic subscapularis tears to improve diagnostic sensitivity and accuracy. These parameters include coracohumeral distance (CHD), coracoglenoid angle (CGA), coracoid angle (CA), coracoid overlap (CO), and coracohumeral angle (CHA).

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In complex cases of meniscus allograft transplantation, such as in double transplants, and when they are combined with ligament reconstructions, there is a high risk of tunnel overlap, which may compromise graft integrity and lead to treatment failure. Additionally, matching the meniscal allograft size to the patient's knee anatomy is critical and challenging. To address these challenges, a preoperative protocol was developed using three-dimensional (3D) printing.

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Recently, there has been a growing interest in repairing proximal anterior cruciate ligament (ACL) tears, a technique gaining popularity for its outcomes comparable with reconstruction methods within certain population subsets. Although many techniques have been described, it is difficult to reach a definitive consensus on the most effective approach. As a result, a surgical technique is presented to optimize the repair technique.

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Purpose: Although surgical stabilization for displaced extra-articular scapular fractures is increasingly utilized, there remains limited evidence on predictors of functional recovery. This study aimed to evaluate long-term functional and radiographic outcomes after stabilization using the Brodsky posterior approach and to determine whether glenopolar angle or lateral border medialization independently predicts postoperative function. We hypothesized that improved radiographic parameters would be associated with better outcomes.

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Background: Meniscal allograft transplantation (MAT) restores knee function by replacing a damaged or absent meniscus with a healthy allograft, helping to preserve joint stability, distribute the load, and reduce cartilage degeneration. However, traditional 2D imaging techniques fail to fully capture the knee's complex three-dimensional anatomy, making accurate surgical planning challenging. Computed Tomography (CT)-based 3D printing offers a patient-specific solution by generating anatomically precise tibial models, allowing for enhanced preoperative planning.

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Background: There are several techniques for the combined reconstruction of the anterior cruciate ligament (ACL) and the anterolateral ligament (ALL), but none have shown superiority. This study aims to present a surgical technique that theoretically reduces some of the risks reported in these procedures.

Indications: The main indications for the ALL reconstruction include chronic ACL injuries, revision ACL reconstruction, acute ACL injuries in patients with high-grade pivot-shift (grades 2 or 3), patients involved in pivoting sports, and generalized ligament hyperlaxity or knee hyperextension.

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The combination of anterior cruciate ligament (ACL) and anterolateral ligament (ALL) reconstruction represents a therapeutic modality that exhibits superior clinical efficacy for certain risk groups when compared with isolated ACL reconstruction. This approach is progressively gaining broader applicability owing to its inherent prospective advantages. Despite the absence of a universally acknowledged gold-standard surgical technique, several methods have been delineated for its implementation.

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Artificial intelligence (AI) is transforming orthopedic research by optimizing academic workflows, improving evidence synthesis, and expanding access to advanced data analysis tools. Generative AI models such as ChatGPT and GPT-4, alongside specialized platforms such as Consensus and SciSpace, empower researchers to refine search queries, enhance literature reviews, synthesize documents, and conduct advanced statistical analyses. These technologies enable the interpretation of large datasets, saving time and boosting efficiency.

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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.

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The most popular surgical treatment for anterior cruciate ligament (ACL) injuries is reconstruction. However, different native tissue preservation and repair techniques have recently become popular. Among the different types of ACL injuries, the least frequent is the tibial-sided soft-tissue avulsion type.

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This research aims to present a novel arthroscopic fixation technique that uses a double-row suture anchor for tibial spine avulsion and to evaluate its short-term clinical outcomes. The surgical technique is described and a retrospective case series is presented. Patients who presented with tibial spine avulsion type III and IV fractures according to the Meyers and McKeever classification and received the same surgical treatment from 2013 to 2018 in two specialised hospitals in Medellín City were included.

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