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The aim of this report is to present our experience on the use of the digital subtraction angiography (DSA) in selection of the vascularized greater trochanter bone grafting for the treatment of the osteonecrosis of femoral head (ONFH) in early stages. Between January 2005 and June 2007, DSA was used to evaluate the blood perfusion of the early stages ONFH(More)
BACKGROUND Tribendimidine is a new anthelmintic agent synthesized by Chinese scientists. It is a broad spectrum agent with high activity against parasites. However, its disposition and metabolism remain unknown. OBJECTIVE To investigate the metabolism, disposition, and metabolites of tribendimidine in healthy human volunteers. METHODS Twelve healthy(More)
BACKGROUND Treatment of early-stage osteonecrosis of the femoral head (ONFH) with autologous implantation of iliac crest bone marrow-derived mononuclear cells, which contain tens of thousands of bone marrow mesenchymal stem cells (BMMSCs), recently achieved a promising outcome. METHODS One hundred patients with early-stage ONFH were recruited and randomly(More)
Osteonecrosis of the femoral head is a progressive disease. Without operative intervention, it most often results in collapse and deterioration of the joint. Many joint-preserving surgeries have been implemented, but no uniform treatment exists. The authors report a modified technique of tantalum rod implantation combined with vascularized iliac grafting(More)
A sensitive and selective liquid chromatography-tandem mass spectrometric (LC-MS/MS) method was developed and validated for the determination of adefovir (PMEA) in human serum and urine. The analyte was separated on a Diamonsil C(18) column (250 mm x 4.6 mm i.d., 5 microm particle size) by isocratic elution with methanol-water-formic acid (20:80:0.1, v/v/v)(More)
BACKGROUND Various head-preserving procedures have been used for young patients with osteonecrosis of the femoral head (ONFH) to avert the need for THA. However, none of these techniques are accepted universally because of the technical difficulties, complications, or mixed results that often are difficult to reproduce. QUESTIONS/PURPOSES We describe a(More)
In this report, we present the long-term results of using combined vascularized iliac and greater trochanter graftings for reconstruction of the osteonecrosis of the femoral head (ONFH) with collapse in three patients. Necrosis over two-thirds of the femoral head and collapse were observed in these patients, with Harris hip scores (HHS) of 46, 38, and 49(More)
Tantalum rod implantation with vascularized iliac grafting has been reported to be an effective method for the treatment of young patients with osteonecrosis of the femoral head (ONFH) to avert the need for total hip arthroplasty (THA). However, there have been unsatisfactory success rates for end-stage ONFH. The authors describe a modified technique using(More)
Bergenin is the major component of Ardisia creanta sims and Rodgersia sambucifolia hemsl with many biological activities. Although bergenin has been used to treat human diseases in China for man years, there is no report regarding its metabolism. This is the first report to separate and identify the metabolites of bergenin in vivo. In the study,(More)
A rapid, highly sensitive and specific high-performance liquid chromatography coupled with tandem mass spectrometry (HPLC-MS-MS) quantitation method was developed and validated for the determination of hydrocodone in human plasma. Sample was extracted from 0.5mL heparinized plasma by a simple liquid-liquid extraction method and analyzed on a C18 column with(More)