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This retrospective study aimed to evaluate the association of serum lipids and deep vein thrombosis (DVT) risk following total hip arthroplasty (THA) in patients with nontraumatic osteonecrosis of the femoral head (ONFH). A total of 224 nontraumatic ONFH patients were enrolled. Serum levels of
The purpose of this study was to clarify the factors related to silent osteonecrosis of the femoral head (ONFH) in patients with systemic lupus erythematosus (SLE). Seventy-eight patients with SLE were selected on the basis of having been newly diagnosed and requiring high-dose prednisolone,
BACKGROUND
High-dose administration of a steroid hormone has been associated with a major risk of osteonecrosis. In this study we investigated the effects of a steroid hormone on the incidence of osteonecrosis of the femoral head in stroke-prone spontaneously hypertensive rats/Nagasaki
P-glycoprotein (P-gp) plays a role in steroid-induced osteonecrosis of the femoral head (ONFH), but the underlying mechanism remains unknown. We hypothesized that P-gp overexpression can prevent ONFH by regulating bone marrow-derived multipotent stromal cell (BMSC) adipogenesis and osteogenesis.
OBJECTIVE
Dysbaric osteonecrosis (DON) is a complication of ineffective decompression following exposure to high-pressure environments. This study was designed to determine risk factors for the occurrence of DON in divers.
METHODS
Fifty-six male divers received skeletal examinations by radiography
OBJECTIVE
To investigate the effects of an anti-platelet drug (clopidogrel) on the prevention of steroid-induced osteonecrosis (ON) in rabbits.
METHODS
Adult male Japanese white rabbits were divided into two groups and treated as follows: one group received daily clopidogrel mixed in normal saline
OBJECTIVE
Osteonecrosis of the femoral head is observed in patients treated with steroids. However, the pathogenesis of femoral head osteonecrosis remains unclear. We established a rat model with femoral head osteonecrosis by injecting lipopolysaccharide (LPS) and steroid, and assessed the
OBJECTIVE
Both abnormal lipid metabolisms and coagulopathy have been suggested to be associated with the development of steroid-induced osteonecrosis (ON). We examined plasma risk factors for development of steroid-induced ON in rabbits after prophylaxis with a lipid-lowering agent and/or an
BACKGROUND
Osteonecrosis of the femoral head is a disease which may cause rapid femoral head collapse in relatively young patients. Clinical results of prosthesis replacement in osteonecrosis patients are generally poorer than in age-matched patients with other diagnoses. The ultimate goal in
Avascular necrosis (AVN) of the femoral head is an emerging complication in HIV infected patients. It has been suggested that the increased incidence of AVN in this population may be caused by an increased prevalence of predisposing factors for osteonecrosis, including protease inhibitors,
OBJECTIVE
This study was designed to investigate the efficacy of lipid-lowering agents in preventing steroid-induced osteonecrosis and the mechanism by which they do so in a rabbit model.
METHODS
Female Japanese white rabbits were randomly allocated to receive probucol (group P), pravastatin (group
Increased oxidative stress is considered one of the main causes of steroid-induced osteonecrosis of the femoral head (ONFH). The aim of this study was to evaluate the effects of a steroid hormone and pentosan polysulfate sodium (pentosan), a heparin analog, in stroke-prone spontaneously hypertensive
The critical roles of IGFBP3 in regulating the osteogenic and adipogenic differentiation of bone marrow mesenchymal stem cells strongly indicate its potential effects on the pathogenesis of osteonecrosis of the femoral head (ONFH). In this study, we investigated the association of IGFBP3 gene
Osteonecrosis (ON) is a rare disabling complication occurring in patients with human immunodeficiency virus (HIV) infection at a higher frequency than in the general population despite effective combination antiretroviral therapy being made available, as recently documented by several retrospective
OBJECTIVE
Osteonecrosis of femoral head (ONFH) is histopathologically characterized by necrotic areas associated with reactive fibrosis, trabecular bone remodeling and thickening zones. Our double goal was to evaluate if: 1) main ONFH risk factors were related to specific histological specimen