Volume 55, Numéro 3, July-September 2020
|Page(s)||187 - 194|
|Publié en ligne||14 juillet 2020|
Radiation exposure of interventional cardiologists for different types of procedures in catheterization lab, is it more concern about extremities?
Industrial Diseases Research Center, Shahid Sadoughi University of Medical Sciences,
2 Department of Medical Physics, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
3 Department of Radiation Technology, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
4 Cardiovascular Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
* Corresponding author: email@example.com
Accepted: 22 June 2020
Introduction: Angiography and angioplasty expose cardiologists to a high level of X-ray comparing other radiographic methods, due to the high dose of radiation and the presence of the physician beside the patient bed during the procedure. Therefore, this study was designed to measure the absorbed dose in some important organs and extremities in cardiologists during different angiography and angioplasty procedures in catheterization lab. Methods: The entrance skin dose and extremity absorbed dose of the physicians in 100 angiography and angioplasty procedures were measured by TLD chips. The points on the physicians’ body, which were measured in this study, included: thyroid, right and left chest, right and left wrists, and left leg. The correlation of entrance skin dose in these six points to the exposure parameters is also evaluated. Results: The left leg has maximum dose and maximum correlation with total DAP for all three physicians in all procedure types. There was a weak correlation between left wrist absorbed dose and number of views among three physicians. Also, the maximum annual absorbed dose of the physicians in the left leg was lower than 150 mSv. Conclusion: According to the results of this study, it can be stated that periodic leg and hand dosimetry during operation is necessary for interventional cardiologists. Results also showed that, regardless of the type of procedure, the characteristics of device output, especially DAP, have a direct role in the absorbed dose of the organs and extremities, especially those outside the shield.
Key words: radiation / occupational exposure / extremities / catheterization / thermoluminescence dosimetry
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