A Study of Patients Exposure in Radiofrequency Catheter Ablation

  • WAN Yeda
    Graduate school of Medical Imaging Suzuka University of Medical Science and Technology Department of Medical Imaging, Tianjin Medical University
  • WAN Zheng
    Department of Cardiology, General Hospital of Tianjin Medical University
  • ZHANG Dianfen
    Department of Cardiology, General Hospital of Tianjin Medical University

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  • <原著>高周波カテーテルアブレーションによる患者被曝線量の検討

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Radiofrequency Catheter Ablation (RFCA) has been established as a first line curative treatment modality in patients with symptomatic and antiarrhythmic drugs superventricular tachycardia. The purpose of this study was to investigate the patients exposure in RFCA. We studied 30 patients of RFCA. Average exposure time is 49.23±23.82 minutes. Average exposure x-ray dose is 177.5±128.0 mGy or 247.6±156.1 mGy. A comparison between the high kV low mA group and the low kV high mA group, shows that exposure time (min) isn't greatly different (58.80±27.72 vs 39.67±14.50,P> 0.05) but exposure x-ray dose (mGy) has significant difference (177.5±128.0 vs 247.6±156.1,P<0.05). These results suggest are must protect againat x-ray exposure in Radiofrequency Catheter Ablation.

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