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Initial investigation into patellofemoral morphology in hemophilic arthritis patients.
Front Surg
December 2024
Department of Orthopedics, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, Shandong, China.
Background: Hemophilic arthritis (HA) is associated with significant changes in the morphology of mature knee joints due to abnormal growth plate development. Previous studies have established marked distinctions between the femur and tibia of subjects with Haemophilia and those with osteoarthritis (OA). This study explored the morphological characteristics of the patella and patellofemoral joint in subjects with Haemophilia.
View Article and Find Full Text PDFThe impact of patellofemoral joint diseases on functional outcomes and prosthesis survival in patients undergoing unicompartmental knee arthroplasty: a systematic review and meta-analysis.
J Orthop Surg Res
December 2024
Department of Orthopaedic Surgery, Shanxi Medical University Second Affiliated Hospital, No. 382 Wuyi Road, Xinghualing District, Taiyuan, China.
Background: Patellofemoral joint (PFJ) diseases are chronic degenerative conditions that contribute to knee joint symptoms. Unicompartmental knee arthroplasty (UKA) is widely regarded as an effective treatment for knee osteoarthritis (KOA); however, its specific indications remain a subject of debate.
Hypothesis: Patients with PFJ disease are expected to experience outcomes post-UKA comparable to those of patients without PFJ disease.
On the consequences of intra-operative release versus over-tensioning of the posterior cruciate ligament in total knee arthroplasty.
J R Soc Interface
December 2024
Aesculap AG, Research & Development, Tuttlingen, Germany.
Intra-operative tensioning of the posterior cruciate ligament (PCL) in total knee arthroplasty (TKA) is commonly based on the surgeon's experience, resulting in a possibly loose or overly tight PCL. To date, the consequences of different PCL tensioning scenarios for the post-operative biomechanics of the knee remain unclear. Using a comprehensive musculoskeletal modelling approach that allows predictive joint kinematic and kinetic balance, we assessed variations in the movement and loading patterns of the knee as well as changes in ligament and muscle forces during walking in response to systematic variations in the PCL reference strain.
View Article and Find Full Text PDFAnterior femoral offset is a flawed measurement of patellofemoral overstuffing.
Arch Orthop Trauma Surg
December 2024
Adventist Health Memorial Hospital, Lodi, CA, USA.
Background: Patellofemoral joint (PFJ) issues after total knee arthroplasty (TKA) are becoming a topic of interest once again. Due to the complex three-dimensional shape of the trochlea, various two-dimensional proxy measurements on plain X-rays have been described. One of these measurements is the anterior femoral offset (AFO).
View Article and Find Full Text PDFPurpose: This retrospective comparative study aimed to compare the native patellar alignment and clinical outcomes of the Rotating Concave-Convex (ROCC) knee, which features a saddle-shaped rotating platform (RP) insert and a deep trochlea, versus the low contact stress (LCS) knee, which has favourable long-term outcomes and features an anatomically shaped trochlea and a cruciate-sacrificing RP insert. We hypothesized that the deeper trochlea of the ROCC would further stabilize the native patella, resulting in superior clinical outcomes compared to LCS-RP.
Methods: Consecutive patients who underwent patellar-nonresurfacing primary total knee arthroplasty (TKA) using ROCC or LCS-RP were retrospectively reviewed.
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