We present a method of visualizing the posterior horn of the medial meniscus through the anterolateral portal that has not been previously described in the literature. It allows easy visualization and instrumentation of the posterior horn, an area that commonly has pathology that can be difficult to identify and treat. The technique involves allowing the knee to flex to 60 degrees to 90 degrees over the side of the bed and applying a varus force to the tibia, opening up the posteromedial part of the joint. It does not require any valgus force and therefore minimizes the risk of injury to the medial collateral ligament.
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http://dx.doi.org/10.1016/j.arthro.2005.07.017 | DOI Listing |
Arthroscopy
January 2025
Fellowship Director Emeritus, Plano Orthopedic and Sports Medicine Center, Plano Texas.
A free-floating disc shaped polycarbonate-urethane ultra-high molecular weight polyethylene fiber reinforced medial compartment implant is designed for symptomatic postmedial meniscectomy syndrome. Because it is not sutured into place, an intact 2mm meniscus rim with intact anterior and posterior meniscal horns are required. In a recent 24-month follow-up study, only 64% of the original implants were retained.
View Article and Find Full Text PDFBiomedicines
January 2025
Department of Orthopaedic Surgery, Hallym Sacred Heart University Hospital, Hallym University, Anyang-si 13496, Republic of Korea.
Popliteal cysts (PCs) are occasionally accompanied by knee osteoarthritis (OA) and varus malalignment. However, whether concomitant arthroscopic excision of PCs with medial open-wedge high tibial osteotomy (MOWHTO) improves the osteoarthritic environment remains unclear. Therefore, this study assessed serial changes in C-size, medial meniscus extrusion (MME), and cartilage status for up to 2 years following an MOWHTO.
View Article and Find Full Text PDFArch Bone Jt Surg
January 2024
Bone and Joint Reconstruction Research Center, Department of Orthopedics, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
Objectives: Previous studies of the association between tibial slope and meniscal tear have led to contradictory results. In this regard, the present study aimed to examine the effect of medial tibial plateau slope on the incidence of isolated medial meniscal tear.
Methods: This study was performed on 75 patients with a posterior horn medial meniscal tear and 150 matched control subjects.
Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
January 2025
The Third Orthopedic Department, the First Affiliated Hospital of Harbin Medical University, Harbin Heilongjiang, 150001, P. R. China.
Objective: To measure and analyze the relationships among the posterior tibial slope (PTS), meniscal slope (MS), and meniscus posterior horn thickness (MPHT) of the medial and lateral tibial plateau in healthy people and patients with anteromedial osteoarthritis (AMOA) in Heilongjiang province, so as to provide reference basis for appropriate tibial osteotomy and prosthesis placement angles in knee joint surgeries.
Methods: A retrospective collection of imaging data from knee joint MRI examinations conducted prior to AMOA for various reasons was performed. A total of 103 healthy individuals (healthy group) and 30 AMOA patients (AMOA group) were included.
Sci Rep
January 2025
Department of Physical Therapy, Faculty of Rehabilitation, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-ku, Niigata, 950-3198, Japan.
Since clinical features of chronic muscle pain originating from the low back and limbs are different (higher prevalence and broader/duller sensation of low back muscle pain than limb muscle pain), spinal and/or supraspinal projection of nociceptive information could differ between the two muscles. We tested this hypothesis using c-Fos immunohistochemistry combined with retrograde-labeling of dorsal horn (DH) neurons projecting to ventrolateral periaqueductal grey (vlPAG) or ventral posterolateral nucleus of the thalamus (VPL) by fluorogold (FG) injections into the vlPAG or VPL. C-Fos expression in the DH was induced by injecting 5% formalin into the multifidus (MF, low back) or gastrocnemius-soleus (GS, limb) muscle.
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