The Comparison between Dose Rates at the Interventional Reference Point of the Angiography Systems in Many Facilities
| Autor: | Haruki Nonaka, Tooru Ishibashi, Mizuho Okino, Yukari Yamashita, Satoshi Inada, Hiroya Asou, Naoyuki Imada, Yoriaki Matsumoto, Hiroshi Mizutani |
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| Rok vydání: | 2012 |
| Předmět: |
medicine.medical_specialty
medicine.diagnostic_test Phantoms Imaging business.industry Image quality medicine.medical_treatment Percutaneous coronary intervention Interventional radiology General Medicine Coronary Angiography Radiation Dosage Radiography Interventional Conventional PCI Angiography medicine Humans Fluoroscopy Radiology Dose rate business Nuclear medicine Cardiac catheterization |
| Zdroj: | Japanese Journal of Radiological Technology. 68:260-268 |
| ISSN: | 1881-4883 0369-4305 |
| DOI: | 10.6009/jjrt.2012_jsrt_68.3.260 |
| Popis: | The management of the radiation dose is very important in interventional radiology (IVR), especially in percutaneous coronary intervention (PCI). Therefore, we measured entrance surface doses at the interventional reference point of 27 cardiac intervention procedures in 22 cardiac catheterization laboratories around Hiroshima, and compared these doses. Recently, for cardiac interventional radiology, the X-ray machines using flat-panel detectors (FPD) instead of image intensifiers (I.I.) is increasing; 13 systems used FPD and 14 systems used I.I. For fluoroscopy rate, the difference between laboratories was 9 times. For cineangiography rate, the difference between laboratories was 7 times. In addition, between both devices, the I.I. group is bigger than the FPD group. When comparing by the same condition, for the dose at the interventional reference point, no significant difference was detected between the FPD group and the I.I. group. This study shows that FPD is not available for reducing the radiation dose simply. Therefore, it is necessary that we think of the balance with image quality and radiation dose. The optimization of the devices and cardiac intervention procedures becomes very important. |
| Databáze: | OpenAIRE |
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