Search Results - "Chida, Koichi"

What are useful methods to reduce occupational radiation exposure among radiological medical workers, especially for interventional radiology personnel? by Chida, Koichi

“…Protection against occupational radiation exposure in clinical settings is important. This paper clarifies the present status of medical occupational exposure…”
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Awareness of Medical Radiologic Technologists of Ionizing Radiation and Radiation Protection by Yashima, Sachiko, Chida, Koichi

“…Japanese people experienced the Hiroshima and Nagasaki atomic bombings, the Japan Nuclear Fuel Conversion Co. criticality accident, it was found that many…”
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Occupational eye dose in interventional cardiology procedures by Haga, Yoshihiro, Chida, Koichi, Kaga, Yuji, Sota, Masahiro, Meguro, Taiichiro, Zuguchi, Masayuki

“…It is important to measure the radiation dose [3-mm dose equivalent, Hp(3)] in the eye. This study was to determine the current occupational radiation eye dose…”
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Effectiveness of additional lead shielding to protect staff from scattering radiation during endoscopic retrograde cholangiopancreatography procedures by Morishima, Yoshiaki, Chida, Koichi, Meguro, Takayoshi

“…Endoscopic retrograde cholangiopancreatography (ERCP) is often complex and involves long fluoroscopic times, with significant radiation exposure to medical…”
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Development of Novel Real-Time Radiation Systems Using 4-Channel Sensors by Inaba, Yohei, Nakamura, Masaaki, Zuguchi, Masayuki, Chida, Koichi

“…Radiation-related tissue injuries after medical radiation procedures, such as fluoroscopically guided intervention (FGI), have been reported in patients…”
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Effective Risk Communications through Personalized Consultations with Pregnant Women and Parents by Radiologic Technologists after the 2011 Fukushima Daiichi Nuclear Disaster by Yashima, Sachiko, Chida, Koichi

“…The Great East Japan Earthquake and Tsunami that occurred in March 2011 not only resulted in the loss of many human lives due to earthquakes and tsunamis, but…”
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Total body irradiation causes a chronic decrease in antioxidant levels by Sun, Lue, Inaba, Yohei, Sogo, Yu, Ito, Atsuo, Bekal, Mahesh, Chida, Koichi, Moritake, Takashi

“…Ionizing radiation exposure may not only cause acute radiation syndrome, but also an increased risk of late effects. It has been hypothesized that induction of…”
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Occupational dose in interventional radiology procedures by Chida, Koichi, Kaga, Yuji, Haga, Yoshihiro, Kataoka, Nozomi, Kumasaka, Eriko, Meguro, Taiichiro, Zuguchi, Masayuki

“…Interventional radiology tends to involve long procedures (i.e., long fluoroscopic times). Therefore, radiation protection for interventional radiology staff…”
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Evaluation of novel X-ray protective eyewear in reducing the eye dose to interventional radiology physicians by Endo, Mime, Haga, Yoshihiro, Sota, Masahiro, Tanaka, Akiko, Otomo, Kazuki, Murabayashi, Yuuki, Abe, Mitsuya, Kaga, Yuji, Inaba, Yohei, Suzuki, Msatoshi, Meguro, Taiichiro, Chida, Koichi

“…The new recommendation of the International Commission on Radiological Protection for occupational eye dose is an equivalent dose limit to the eye of 20 mSv…”
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New real-time patient radiation dosimeter for use in radiofrequency catheter ablation by Kato, Mamoru, Chida, Koichi, Nakamura, Masaaki, Toyoshima, Hideto, Terata, Ken, Abe, Yoshihisa

“…Abstract In a previous study, we reported on a novel (prototype) real-time patient dosimeter with non-toxic phosphor sensors. In this study, we developed new…”
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An initial investigation of a wireless patient radiation dosimeter for use in interventional radiology by Inaba, Yohei, Chida, Koichi, Murabayashi, Yuuki, Endo, Mime, Otomo, Kazuki, Zuguchi, Masayuki

“…Radiation exposure during interventional radiology (IR) procedures is a critical issue. We have developed a wireless real-time dosimeter for IR patients that…”
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Diagnostic reference levels and achievable doses for common computed tomography examinations: Results from the Japanese nationwide dose survey by Matsunaga, Yuta, Chida, Koichi, Kondo, Yuya, Kobayashi, Kenichi, Kobayashi, Masanao, Minami, Kazuyuki, Suzuki, Shoichi, Asada, Yasuki

“…To propose a new set of Japanese diagnostic reference levels (DRLs) and achievable doses (ADs) for 2017 and to verify the usefulness of Japanese DRLs (DRLs…”
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OCCUPATIONAL RADIATION EXPOSURE OF THE EYE IN NEUROVASCULAR INTERVENTIONAL PHYSICIAN by Kato, Mamoru, Chida, Koichi, Ishida, Takato, Toyoshima, Hideto, Yoshida, Yasuyuki, Yoshioka, Shotaro, Moroi, Junta, Kinoshita, Toshibumi

“…Neurovascular interventional radiology (neuro-IR) procedures tend to require an extended fluoroscopic exposure time and repeated digital subtraction…”
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Reducing the Breast Cancer Risk and Radiation Dose of Radiography for Scoliosis in Children: A Phantom Study by Nemoto, Manami, Chida, Koichi

“…Full-spinal radiographs (FRs) are often the first choice of imaging modality in the investigation of scoliosis. However, FRs are strongly related to breast…”
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Radiation eye dose to medical staff during respiratory endoscopy under X-ray fluoroscopy by Haga, Yoshihiro, Chida, Koichi, Kimura, Yuichiro, Yamanda, Shinsuke, Sota, Masahiro, Abe, Mitsuya, Kaga, Yuji, Meguro, Taiichiro, Zuguchi, Masayuki

“…Abstract Although the clinical value of fluoroscopically guided respiratory endoscopy (bronchoscopy) is clear, there have been very few studies on the…”
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Evaluation of a New Real-Time Dosimeter Sensor for Interventional Radiology Staff by Hattori, Kenshin, Inaba, Yohei, Kato, Toshiki, Fujisawa, Masaki, Yasuno, Hikaru, Yamada, Ayumi, Haga, Yoshihiro, Suzuki, Masatoshi, Zuguchi, Masayuki, Chida, Koichi

“…In 2011, the International Commission on Radiological Protection (ICRP) recommended a significant reduction in the lens-equivalent radiation dose limit, thus…”
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Radiation Eye Dose for Physicians in CT Fluoroscopy-Guided Biopsy by Inaba, Yohei, Hitachi, Shin, Watanuki, Munenori, Chida, Koichi

“…It is important to evaluate the radiation eye dose (3 mm dose equivalent, Hp (3)) received by physicians during computed tomography fluoroscopy (CTF)-guided…”
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Lens Equivalent dose of Staff During Endoscopic Retrograde Cholangiopancreatography: Dose Comparison Using Two Types of Dosemeters by Morishima, Yoshiaki, Chida, Koichi, Meguro, Takayoshi, Hirota, Morihisa, Chiba, Hiroo, Fukuda, Hiroshi

“…Abstract This study aimed to compare the lens equivalent dose (LED) measured during endoscopic retrograde cholangiopancreatography (ERCP) using DOSIRIS™ as a…”
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Occupational Radiation Dose to Eye Lenses in CT-Guided Interventions Using MDCT-Fluoroscopy by Inaba, Yohei, Hitachi, Shin, Watanuki, Munenori, Chida, Koichi

“…In computed tomography (CT)-guided interventions (CTIs), physicians are close to a source of scattered radiation. The physician and staff are at high risk of…”
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Basic Performance Evaluation of a Radiation Survey Meter That Uses a Plastic-Scintillation Sensor by Yamamoto, Keisuke, Shindo, Ryota, Ohno, Saya, Konta, Satoe, Isobe, Rio, Inaba, Yohei, Suzuki, Masatoshi, Hosoi, Yoshio, Chida, Koichi

“…After the Fukushima nuclear power plant accident in 2011, many types of survey meters were used, including Geiger-Müller (GM) survey meters, which have long…”
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