نتایج جستجو برای: radiofrequency catheter ablation
تعداد نتایج: 93011 فیلتر نتایج به سال:
BACKGROUND Remote heating of metal located near a radiofrequency ablation source has been previously demonstrated. Therefore, ablation of cardiac tissue treated with metallic nanoparticles may improve local radiofrequency heating and lead to larger ablation lesions. We sought to evaluate the effect of magnetic nanoparticles on tissue sensitivity to radiofrequency energy. METHODS AND RESULTS A...
BACKGROUND Failure to achieve properly localized, permanent tissue destruction is a common cause of arrhythmia recurrence after cardiac ablation. Current methods of assessing lesion size and location during cardiac radiofrequency ablation are unreliable or not suited for repeated assessment during the procedure. MRI thermography could be used to delineate permanent ablation lesions because tiss...
126 Radiofrequency catheter ablation is safe and effective in children with refractory supraventricular tachycardia and poor response to pharmacological treatment. This procedure may be difficult or impossible to perform in patients with bilateral obstruction of the femoral venous access. In recent years, the transhepatic approach has been found to be safe in children. We report the case of a 1...
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