نتایج جستجو برای: endovascular brachytherapy
تعداد نتایج: 31397 فیلتر نتایج به سال:
Brachytherapy: True or False? To the Editor: We read with great interest the article about the mechanism of action of endovascular brachytherapy after balloon angioplasty published by Sabaté et al.1 Intravascular ultrasound (IVUS) imaging provides an extremely effective means of examining vessel changes after interventions and it seems to be critical in the objective evaluation of radiation the...
This study identifies basic dosimetric differences between two designs for intravascular brachytherapy (IVBT) in current clinical practice and ongoing trials and their clinical implications within beta emitting systems using P-32 as an example. The two designs are (i) the wire-type source, where the radioactive source material is confined to a wirelike structure within the vessel lumen, and (ii...
central nervous system infection is a rare complication of endovascular procedures. we report a 21-year-old woman presented with headache, nausea, vomiting, and right-sided hemiparesis 4 months after endovascular embolization of cerebral arteriovenous malformation. investigations led to the diagnosis of multiple brain abscesses. this is the sixth case report of brain abscess following endovascu...
Recent preclinical and clinical studies indicate that irradiation using ionizing radiation in the dose range of 15 to 30 Gy may reduce the occurrence of restenosis in patients who have undergone an angioplasty. Several delivery systems of intravascular brachytherapy have been developed to deliver radiation doses in this range with minimal normal tissue toxicity. In late 1995 the American Associ...
Since the first days of angioplasty, restenosis has been the major limitation. Over the brief history of percutaneous interventions, therapies to prevent restenosis have come and gone with a frequency that rivals treatments for rheumatoid arthritis over the last hundred years. We have also learned to be skeptical regarding any claim of benefit from a therapy for established restenosis. In the r...
Percutaneous intervention for peripheral artery disease has evolved from balloon angioplasty for simple focal lesions to multimodality techniques that enable treatment of severe arterial insufficiency. This technological expansion comes without a standard approach or algorithm, which makes the decision-making process more subjective than objective. Nevertheless, clinical tools are available tha...
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