Abstract
The rising number of catheter ablations of atrial fibrillation increases radiation exposure for both patients and surgeons. Fortunately, this trend is counteracted by the development of measures to reduce total fluoroscopy time using non-fluoroscopic catheter visualization. Since even low-dose radiation can cause serious injury, all options to reduce radiation burden must be utilized (ALARA, "as low as reasonably achievable"). Dose reduction protocols with low-dose settings, which include reduced framerates, pulse duration, detector entrance dose and increased beam hardening, play adecisive role in this regard. This review provides astate-of-the-art summary of non-fluoroscopic catheter visualization and dose reduction protocols for catheter ablation of atrial fibrillation.
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