Multicenter Survey on Radiation Dose of Cardiac Intervention

Nihon Hoshasen Gijutsu Gakkai zasshi
Toshihiro HayashiOsamu Abe

Abstract

We conducted a nationwide survey of multiple institutions and collected data of various interventional procedures in the field of cardiology. Included in the analysis were 126 institutions, 381 X-ray systems, and 805 protocols. The dose values were compared with the Japanese diagnostic reference levels (DRLs) 2015. Fluoroscopy time, air kerma at the patient entrance reference point (Ka, r), and air kerma-area product (PKA ) were analyzed for various interventional procedures in 5,734 cardiology patients. The fluoroscopic dose rate (FDR) for pulmonary vein isolation (PVI) was less than half that of the 75th percentile of the Japanese DRLs 2015. The 75th percentiles of fluoroscopy time, Ka, r, and PKA for the respective interventional procedures were as follows: 11.0 min, 735 mGy, and 64 Gy・cm2 for diagnostic coronary angiography (CA); 13.2 min, 839 mGy, and 75 Gy・cm2 for CA + left ventriculography; 34.4 min, 1,810 mGy, and 148 Gy・cm2 for percutaneous coronary intervention (PCI) excluding chronic total occlusion; 80.1 min, 4,338 mGy, and 312 Gy・cm2 for PCI for chronic total occlusion; 74.4 min, 833 mGy, and 90 Gy・cm2 for PVI; and 34.0 min, 795 mGy, and 94 Gy・cm2 for transcatheter aortic valve implantation, respectively. In assess...Continue Reading

References

Sep 15, 2016·Radiation Protection Dosimetry·Jean-Louis Georges The Ray'act-Investigators
Dec 6, 2016·Circulation Journal : Official Journal of the Japanese Circulation Society·Shinya TakimotoTakeshi Kimura
Oct 27, 2017·Annals of the ICRP·E VañóUNKNOWN Authors on behalf of ICRP
Oct 20, 2018·Physica Medica : PM : an International Journal Devoted to the Applications of Physics to Medicine and Biology : Official Journal of the Italian Association of Biomedical Physics (AIFB)·T SiiskonenE Vano
Jan 22, 2019·RöFo : Fortschritte auf dem Gebiete der Röntgenstrahlen und der Nuklearmedizin·Alexander SchegererGunnar Brix

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