Chir Narzadow Ruchu Ortop Pol
Oddział Kliniczny Chirurgii Rekonstrukcyjnej i Artroskopowej Stawu Kolanowego, Uniwersytet Medyczny w Łodzi.
Published: June 2010
Aim Of The Study: The purpose of the study is to estimate the preliminary results of the medial patellofemoral ligament reconstruction with medial strip of patellar tendon autograft.
Materials And Methods: The study was conducted on 6 patients with post-traumatic recurrent patellar dislocation, with an equal number of males and females, aged 18-35 years (mean 27). Follow-up assessments were performed in 4, 12 weeks and 6, 12 months after the surgery. Patients were surveyed pre- and postoperatively with questionnaires, such as: the Kujala score, Knee Injury and Osteoarthritis Outcome Study (KOOS) and SF-36 Health Survey, version 2.
Results: No recurrent dislocation was found in patients after the surgery. The mean Kujala score was 49 points (range 38-64) preoperatively and 83 points (range 70-98) at follow-up. In the KOOS scores the improvement was seen in all scales. The SF-36 score revealed improvement in bodily pain, general health, mental health and physical functioning domains.
Conclusions: The preliminary results indicate that the medial patellofemoral ligament reconstruction by using a medial strip of the patellar ligament autograft should be considered as effective as other surgeries with different sources of the graft. Restriction of the extent of the procedure to soft tissues without the involvement of the tubercle bony attachment and without drilling holes in the patella and the femur, as well as decreasing the number of implants to only one screw anchor, might lead to reduction of postoperative complications, with no negative effect on clinical results.
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Cureus
December 2024
Department of Health Sciences, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, JPN.
Purpose The infrapatellar fat pad (IFP) has the lowest pain threshold among all knee joint components and causes anterior knee pain after knee arthroplasty. It has been reported that selective muscle atrophy of the vastus medialis (VM) and fibrosis of the IFP may develop following knee joint surgery. Ultrasound enables visualization of IFP deformation (A1) from within the joint to the proximal area in response to muscle contraction, and this may be helpful in developing preventive and therapeutic strategies for IFP fibrosis.
View Article and Find Full Text PDFArthroscopy
January 2025
Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou City, Gansu Province, China; Orthopaedics Clinical Medical Research Center of Gansu Province, Lanzhou University Second Hospital, Lanzhou City, Gansu Province, China; Intelligent Orthopaedic Industry Technology Center of Gansu Province, Lanzhou University Second Hospital, Lanzhou City, Gansu Province, China. Electronic address:
Purpose: To review patients with recurrent patellar dislocation surgically treated with robot-assisted medial patellofemoral ligament (MPFL) reconstruction compared with patients who underwent surgery using the traditional freehand technique.
Methods: A retrospective cohort study was performed to identify patients who underwent MPFL reconstruction from January 2020 to December 2023 in our hospital. The inclusion criteria were: patients aged from 15 to 50 years; patellar dislocation occurred two or more times; a Merchant view or computed tomography (CT) scan indicating patellofemoral joint malalignment, external patellar inclination, or lateral patellar dislocation; underwent MPFL reconstruction via robot-assisted or traditional freehand technique; complete medical records and imaging data before and after surgery; a minimum of 1 year of postoperative follow-up.
J Clin Med
January 2025
Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.
After open-wedge high tibial osteotomy (OWHTO), the patella is displaced distally, causing patellofemoral joint degeneration. The objective of this study was to ascertain whether the combination of OWHTO and lateral retinacular release (LRR) can prevent articular cartilage degeneration of the patellofemoral joint using magnetic resonance imaging T2 mapping. This study included 37 patients (37 knees) who underwent OWHTO alone (OWHTO group) and 37 patients (37 knees) who underwent OWHTO with LRR (OWHTO + LRR group) with a correction angle of <10° for varus knee osteoarthritis.
View Article and Find Full Text PDFActa Ortop Mex
January 2025
Hospital Israelita Albert Einstein, Sao Paulo, Brazil. Department of Orthopedics and Traumatology, University of Sao Paulo, Sao Paulo, Brazil.
Patellofemoral instability (PFI) is a multifactorial condition typically observed following initial traumatic patellar dislocation. PFI depends on various factors such as limb alignment, bony structure, and the integrity of static and dynamic stabilizers. Patients with below-knee amputation have a higher risk of experiencing PFI.
View Article and Find Full Text PDFBiomimetics (Basel)
January 2025
Department of Orthopedic Surgery, Wakamatsu Hospital of University of Occupational and Environmental and Health, 1-17-1, Hamamachi, Wakamatsu, Kitakyushu-city 808-1264, Fukuoka, Japan.
While several studies have reported short-term clinical outcomes after medial patellofemoral ligament (MPFL) repair with suture tape augmentation, there is still a dearth of knowledge regarding midterm clinical outcomes. This study aimed to evaluate the midterm clinical outcomes of MPFL repair with suture tape augmentation in patients with patellar dislocation. We retrospectively reviewed the clinical records of patients who underwent MPFL repair with suture tape augmentation for at least one episode of patellar dislocation between 2015 and 2020.
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