著者

越田 吉郎 曽田 卓実 能登 公也 福田 篤志 松原 孝祐 中川 浩人 川端 千香子

出版者

公益社団法人 日本放射線技術学会

雑誌

日放技学誌 (ISSN:03694305)

巻号頁・発行日

vol.61, no.7, pp.989-996, 2005

参考文献数

20

被引用文献数

1 4

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Medical personnel involved in abdominal angiography are exposed not only to direct radiation but also scattered radiation from inspection tables, patients, image intensifiers, and the beam-limiting system (collimator), among others. Japanese standard JISZ4831 prescribes protective coats of at least 0.25mm lead equivalent, which is the uniform thickness of lead equivalent. The most commonly used protective coats are 0.25mm Pb, 0.35mm Pb, or 0.5mm Pb in thickness. The weight of a typical protective coat is about 3kg. While some coats weigh up to 6kg, wearing such heavy coats becomes physically burdensome as inspection time increases. The trade-off between physical burden and protection was considered by analyzing the X-ray intensity distribution and attenuation rate of scattered radiation in each position assumed by the medical staff. In the case of inspections performed at an x-ray tube voltage of 80kV, it may be possible to reduce the weight of the lead rubber apron by about 33%. Namely, the lead thickness can be reduced uniformly by 0.20mm Pb at 70cm and 0.05mm Pb at 100cm, when the shielding capability of a 0.25mm thick Pb layer is accepted as the standard at 40cm above the gonad position. The same range of permeated X-ray dose for the gonad position may be reduced as well. In the case of 110kV, when the lead thicknesses are 0.30mm Pb at 40cm and 70cm, and 0.10mm Pb at 100cm, it is possible to reduce the weight of the lead rubber apron by about 28%.

著者

越田 吉郎 曽田 卓実 能登 公也 福田 篤志 松原 孝祐 中川 浩人 川端 千香子

出版者

公益社団法人日本放射線技術学会

雑誌

日本放射線技術學會雜誌 (ISSN:03694305)

巻号頁・発行日

vol.61, no.7, pp.989-996, 2005-07-20

被引用文献数

1

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Medical personnel involved in abdominal angiography are exposed not only to direct radiation but also scattered radiation from inspection tables, patients, image intensifiers, and the beam-limiting system (collimator), among others. Japanese standard JISZ4831 prescribes protective coats of at least 0.25mm lead equivalent, which is the uniform thickness of lead equivalent. The most commonly used protective coats are 0.25mm Pb, 0.35mm Pb, or 0.5mm Pb in thickness. The weight of a typical protective coat is about 3kg. While some coats weigh up to 6kg, wearing such heavy coats becomes physically burdensome as inspection time increases. The trade-off between physical burden and protection was considered by analyzing the X-ray intensity distribution and attenuation rate of scattered radiation in each position assumed by the medical staff. In the case of inspections performed at an x-ray tube voltage of 80kV, it may be possible to reduce the weight of the lead rubber apron by about 33%. Namely, the lead thickness can be reduced uniformly by 0.20mm Pb at 70cm and 0.05mm Pb at 100cm, when the shielding capability of a 0.25mm thick Pb layer is accepted as the standard at 40cm above the gonad position. The same range of permeated X-ray dose for the gonad position may be reduced as well. In the case of 110kV, when the lead thicknesses are 0.30mm Pb at 40cm and 70cm, and 0.10mm Pb at 100cm, it is possible to reduce the weight of the lead rubber apron by about 28%.

著者

浅田 恭生 鈴木 昇一 小林 謙一 石川 晃則 佐藤 周之 福田 篤志 大橋 和也 鈴木 ひろみ 宮田 あき子

出版者

公益社団法人 日本放射線技術学会

雑誌

放射線防護分科会会誌 (ISSN:13453246)

巻号頁・発行日

vol.20, 2005

著者

野崎 章仁 福田 篤志

出版者

公益社団法人 日本ビタミン学会

雑誌

ビタミン (ISSN:0006386X)

巻号頁・発行日

vol.91, no.11, pp.633-636, 2017 (Released:2018-11-30)

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Attention has been paid to secondary carnitine deficiency in children. However, secondary carnitine deficiency in pediatric patients has been reported repeatedly. In this study, the questionnaire survey of medical worNers on secondary carnitine deficiency in children was conducted. In the study, 125 individuals including 22 pediatricians, 18 non-pediatric doctors, 80 nurses, and 5 pharmacists in our hospital were enrolled. As a result, the response rate to secondary carnitine deficiency in children was insufficient. In addition, there was a statistically significant difference in the response rate between pediatricians and other medical workers. Pediatric practice consists of not only pediatricians but also other medical workers. Therefore, it is important that all medical staffs participating in pediatric practice deepen their knowledge of secondary carnitine deficiency and thereby prevent the deficiency.