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http://dx.doi.org/10.3344/kjp.2011.24.4.199

A Study to Compare the Radiation Absorbed Dose of the C-arm Fluoroscopic Modes  

Cho, Jae-Hun (Department of Anesthesiology and Pain Medicine, Konkuk University Medical Center)
Kim, Jae-Yun (Department of Anesthesiology and Pain Medicine, Konkuk University Medical Center)
Kang, Joo-Eun (Department of Anesthesiology and Pain Medicine, Konkuk University Medical Center)
Park, Pyong-Eun (Department of Anesthesiology and Pain Medicine, Konkuk University Medical Center)
Kim, Jae-Hun (Department of Anesthesiology and Pain Medicine, Konkuk University Medical Center)
Lim, Jeong-Ae (Department of Anesthesiology and Pain Medicine, Konkuk University Medical Center)
Kim, Hae-Kyoung (Department of Anesthesiology and Pain Medicine, Konkuk University Medical Center)
Woo, Nam-Sik (Department of Anesthesiology and Pain Medicine, Konkuk University Medical Center)
Publication Information
The Korean Journal of Pain / v.24, no.4, 2011 , pp. 199-204 More about this Journal
Abstract
Background: Although many clinicians know about the reducing effects of the pulsed and low-dose modes for fluoroscopic radiation when performing interventional procedures, few studies have quantified the reduction of radiation-absorbed doses (RADs). The aim of this study is to compare how much the RADs from a fluoroscopy are reduced according to the C-arm fluoroscopic modes used. Methods: We measured the RADs in the C-arm fluoroscopic modes including 'conventional mode', 'pulsed mode', 'low-dose mode', and 'pulsed + low-dose mode'. Clinical imaging conditions were simulated using a lead apron instead of a patient. According to each mode, one experimenter radiographed the lead apron, which was on the table, consecutively 5 times on the AP views. We regarded this as one set and a total of 10 sets were done according to each mode. Cumulative exposure time, RADs, peak X-ray energy, and current, which were viewed on the monitor, were recorded. Results: Pulsed, low-dose, and pulsed + low-dose modes showed significantly decreased RADs by 32%, 57%, and 83% compared to the conventional mode. The mean cumulative exposure time was significantly lower in the pulsed and pulsed + low-dose modes than in the conventional mode. All modes had pretty much the same peak X-ray energy. The mean current was significantly lower in the low-dose and pulsed + low-dose modes than in the conventional mode. Conclusions: The use of the pulsed and low-dose modes together significantly reduced the RADs compared to the conventional mode. Therefore, the proper use of the fluoroscopy and its C-arm modes will reduce the radiation exposure of patients and clinicians.
Keywords
fluoroscopy; radiation; radiation dosage; radiographic image enhancement;
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Times Cited By KSCI : 1  (Citation Analysis)
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