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Posteromedial opening wedge high tibial osteotomy has favourable outcomes in simultaneous medial meniscus posterior root repair and varus medial knee osteoarthritis patients without concomitant root tear.
J Orthop Surg Res
January 2025
Department of Orthopedics and Traumatology, Faculty of Medicine, Ege University, Bornova, 35100, Izmir, Turkey.
Purpose: To evaluate the radiological and clinical outcomes in two patient groups: first, varus aligned medial meniscus posterior root tear (MMPRT) patients who underwent posteromedial open wedge high tibial osteotomy (PMOWHTO) and simultaneous root repair; second, patients with varus medial knee osteoarthritis without MMPRT who underwent PMOWHTO.
Methods: Patients had MMPRT repair concomitant with PMOWHTO and varus medial knee osteoarthritis without concomitant root tear patients who underwent PMOWHTO and were reviewed. Radiographic parameters, medial meniscus extrusion (MME) and Knee Society Scores [KSSs, including the following subscores: knee score (KS) and knee function score (KFS)] were evaluated.
Glenoid Preparation in Reverse Shoulder Arthroplasty: Robotic-Arm Assisted Preparation Compared to Manual Preparation and Patient-specific Guides.
J Shoulder Elbow Surg
January 2025
Roth | McFarlane Hand & Upper Limb Center, St Joseph's Health Care London, London, ON, Canada.
Background: Precise and accurate glenoid preparation is important for the success of shoulder arthroplasty. Despite advancements in preoperative planning software and enabling technologies, most surgeons execute the procedure manually. Patient-specific instrumentation (PSI) facilitates accurate glenoid guide pin placement for cannulated reaming; however, few commercially available systems offer depth of reaming control.
View Article and Find Full Text PDFKinematic Alignment Compared with Mechanical Alignment Techniques Results in Greater Peak Three-Dimensional Knee Joint Moments During Stair Negotiation.
J Arthroplasty
January 2025
The University of Tennessee Health Science Center-Campbell Clinic Department of Orthopaedic Surgery and Biomedical Engineering, 1400 S. Germantown Rd, Germantown, TN, 38138. Electronic address:
Background: This study investigated the influence of surgical alignment techniques on knee joint biomechanics during stair negotiation tasks. Our hypothesis was that a more personalized joint alignment would result in reduced medial knee loading biomechanics to negotiate the stairs.
Methods: There were 28 adults (14 mechanical alignments [MA], 14 kinematic alignment [KA]) who underwent total knee arthroplasty (TKA) at least one year post-operatively and performed five stair ascent and descent trials at their preferred velocities.
Rotating Hinge Revision Total Knee Arthroplasty With and Without Porous Cone Adjunct Fixation.
J Arthroplasty
January 2025
Georgetown University School of Medicine, MedStar Georgetown University Hospital, Washington, D.C, USA. Electronic address:
Introduction: As the number of revision total knee arthroplasties (rTKA) continues to rise, there is increasing interest in the use of contemporary rotating hinge prostheses. These devices often incorporate porous cones to fill bone defects and enhance long-term fixation. This study evaluated the clinical and functional outcomes and survivorship in rTKA patients utilizing a rotating hinge prosthesis with flexible titanium (FT) cones, porous tantalum (PT) cones, or no cones.
View Article and Find Full Text PDFThe Definition and Diagnostic Criteria for Flexion Instability after Total Knee Arthroplasty is Highly Variable in the Published Literature.
J Arthroplasty
January 2025
Department of Orthopaedic Surgery, University of Virginia, 2280 Ivy Road, Charlottesville, Virginia.
Introduction: Flexion instability (FI) is increasingly being recognized as a common reason for failure after total knee arthroplasty (TKA). However, the diagnosis remains loosely defined and is often described by a constellation of symptoms and findings with the exclusion of other clinical entities. The purpose of this study was to examine the definition and diagnostic criteria of FI used in the current peer-reviewed literature.
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