نتایج جستجو برای: endovascular brachytherapy
تعداد نتایج: 31397 فیلتر نتایج به سال:
background: recent pre-clinical and clinical studies indicate that irradiation in the dose range of 15 to 30 gy can reduce rate of restenosis in patients who have undergone an angioplasty. the use of filled balloon with radioactive solution was proposed as one of the possible intravascular irradiation techniques. materials and methods: the monte carlo n-particle transport code (mcnp4b) was used...
Vascular stenosis mainly on the basis of arteriosclerotic disease represents one of the major problems in cardiovascular disease. Vascular stenosis contributes significantly to the clinical consequences of arteriosclerotic disease being the leading cause of death in western countries. The etiology of vascular disease is very complex and many factors have been implicated such as abnormalities of...
OBJECTIVES The aim of this article is to underline the importance of this complication after endovascular brachytherapy (EVBT) and intravascular stenting of the femoropopliteal arteries occurring in a running randomized trial. BACKGROUND Endovascular brachytherapy has been proposed as a promising treatment modality to reduce restenosis after angioplasty. However, the phenomenon of late acute ...
Since the publication of AAPM Task Group 60 report in 1999, a considerable amount of dosimetry data for the three coronary brachytherapy systems in use in the United States has been reported. A subgroup, Task Group 149, of the AAPM working group on Special Brachytherapy Modalities (Bruce Thomadsen, Chair) was charged to develop recommendations for dose calculation formalisms and the related con...
Dear Editor-in-Chief, In a recent letter, Das and Peters [1] have made the suggestion that dose rate is not an important factor in determining the effectiveness of endovascular brachytherapy. As we [2–4] and others [5] have argued earlier, we suggest here that the dose rate or, equivalently, the treatment time, is important. Das and Peters [1] correctly argue that if the irradiation time is muc...
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Mycotic aortic aneurysms account for 1–3% of all aortic aneurysms. The management of this disease is controversial. Since open surgical repair is associated with high morbidity and mortality rates, endovascular aneurysm repair is an alternative treatment method with promising early and midterm outcomes, although its long-term durability is unknown.Secondary aortoenteric fistulas may occur iatro...
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