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OBJECTIVE The exact significance of collateral endoleaks is unknown and a topic of great debate. Because of this uncertainty, some physicians choose to watch and wait while others aggressively treat these leaks. The purpose of this investigation was the evaluation of the efficacy of the two techniques used in the treatment of collateral endoleaks that occur(More)
Transcriptional dysregulation plays a major role in the pathology of Huntington's disease (HD). However, the mechanisms causing selective downregulation of genes remain unknown. Histones regulate chromatin structure and thereby control gene expression; recent studies have demonstrated a therapeutic role for histone deacetylase (HDAC) inhibitors in(More)
PURPOSE To assess the toxicity and efficacy of chemoembolization and bland embolization in patients with neuroendocrine tumor metastases to the liver. MATERIALS AND METHODS A total of 67 patients underwent 219 embolization procedures: 23 patients received primarily bland embolization with PVA with or without iodized oil and 44 primarily received(More)
To identify gene expression patterns in human dopamine (DA) neurons in the substantia nigra pars compacta (SNc) of male and female control and Parkinson disease (PD) patients, we harvested DA neurons from frozen SNc from 16 subjects (4 male PDs, 4 female PDs, 4 male and 4 female controls) using Laser Capture microdissection and microarrays. We assessed for(More)
PURPOSE Selective arterial embolization of renal angiomyolipomas (AMLs) was performed to prevent hemorrhage in patients with AMLs larger than 4 cm. This study was conducted to evaluate the long-term efficacy of AML embolization. MATERIALS AND METHODS Nineteen patients underwent embolization for 30 renal AMLs between July 1991 and June 2002. Of these, 10(More)
PURPOSE To assess ultrasound (US) surveillance of expanded polytetrafluoroethylene (ePTFE)-covered stents in transjugular intrahepatic portosystemic shunts (TIPS). MATERIALS AND METHODS Procedural data, including stent size and portosystemic gradients (PSG) before and after creation of TIPS, were obtained retrospectively in 55 patients (33 men, 22 women).(More)
PURPOSE To retrospectively evaluate the patency of Wallstents placed at the venous anastomosis of polytetraflouroethylene (PTFE) hemodialysis grafts to preserve function following angioplasty-induced rupture. METHODS The charts of all patients who underwent percutaneous angioplasty of functioning hemodialysis PTFE grafts between September 1997 and(More)
PURPOSE To assess patency after percutaneous treatment of dysfunctional and thrombosed native arteriovenous fistulas and to examine predictors of patency after intervention. MATERIALS AND METHODS A cohort of 65 consecutive patients with dysfunctional (n = 53) or occluded (n = 12) native fistulas who underwent 96 percutaneous interventions over an 18-month(More)
Translumbar embolization was used to treat 11 type 2 endoleaks in nine patients with the liquid embolic agent n-butyl cyanoacrylate (NBCA). Nine of the embolizations were performed with a combination of stainless-steel coils and NBCAJ and the other two were performed with NBCA alone. There was complete occlusion on initial computed tomographic (CT)(More)