The authors have reviewed 47 cases of septic non-union of the tibia treated by tibio-fibular graft, Bone union was obtained in 31 cases, 2 limbs were amputated and 13 tibiae were united after another procedure. In 17 cases the grafts were performed in the presence of a discharging sinus. These cases did as well as any others. In cases of bone loss after diaphyseal resection, tibio-fibular grafting appeared to be a better procedure than Papineau's technique. Several cases of failure of this technique were cured successfully by tibio-fibular grafting when the bone loss was extensive, tibio-fibular grafting had to be completed by a supplementary tibial graft. The authors consider that grafting procedure should be done early in cases of extensive bone loss or in cases of severe compound comminuted fracture.
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Purpose Of The Study: Intraarticular fractures of the distal femur rank among the most severe musculoskeletal injuries. Various treatment options, such as plate osteosynthesis or retrograde nailing, can be employed. This study aims to evaluate the clinical outcomes and complications of intraarticular distal femoral fractures treated with retrograde femoral nail, with particular emphasis on C3 fractures.
View Article and Find Full Text PDFAm J Sports Med
January 2025
Mayo Clinic Arizona Department of Orthopedic Surgery, Phoenix, Arizona, USA.
Background: The Latarjet and other bony augmentation procedures are commonly used to treat anterior shoulder instability in the setting of significant glenoid bone loss. Although several fixation strategies have been reported, the biomechanical strength of these techniques remains poorly understood.
Purpose: To perform a systematic review of the biomechanical strength of glenoid bony augmentation procedures for anterior shoulder instability.
Korean J Radiol
January 2025
Department of Diagnostic and Interventional Radiology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
Objective: The aim of this study was to compare image quality features and lesion characteristics between a faster deep learning (DL) reconstructed T2-weighted (T2-w) fast spin-echo (FSE) Dixon sequence with super-resolution (T2) and a conventional T2-w FSE Dixon sequence (T2) for breast magnetic resonance imaging (MRI).
Materials And Methods: This prospective study was conducted between November 2022 and April 2023 using a 3T scanner. Both T2 and T2 sequences were acquired for each patient.
Sheng Li Xue Bao
December 2024
State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China.
The objective of the present study was to investigate the role and mechanism of bone marrow microenvironmental cells in regulating the mitochondrial mass of leukemia cells, and to uncover the mechanism of leukemia progression at the metabolic level. A mouse model of acute myeloid leukemia (AML) induced by the overexpression of the MLL-AF9 (MA9) fusion protein was established, and the bone marrow cells of AML mice were transplanted into mitochondrial fluorescence reporter mice expressing the Dendra2 protein (mito-Dendra2 mice). The proportion of Dendra2 cells in bone marrow leukemia cells at different stages of AML was quantified by flow cytometry.
View Article and Find Full Text PDFJ Clin Periodontol
January 2025
School of Medicine, Tzu Chi University, Hualien, Taiwan, ROC.
Aim: Neurodegenerative diseases are characterized by early increased beta-amyloid (Aβ) and decreased cerebrovascular reactivity. We investigated Aβ in gingiva, serum or hippocampus and neurovascular reactivity in basilar artery (BA) of periodontitis rats, to test the impact of Aβ on BA vasoreactivity ex vivo.
Materials And Methods: Periodontitis was induced in 32 rats using silk-ligation.
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