Survey on radiation protection awareness of radiological ...
Transcript of Survey on radiation protection awareness of radiological ...
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Survey on radiation protection awareness of radiological technologists in portable radiography
Kazuki OTOMO1), Mime ENDO1), Yuki MURABAYASHI1), Keisuke ABE2),Mana ONODERA2), Tomohiro SUZUKI2), Hiroki TAKAHASHI2), Yasuaki HITOTSUGI2),
Yohei INABA1,3), Koichi CHIDA1,3)
1)Department of Radiological Examination and Technology, Tohoku University Graduate School of Medicine
2)Tohoku University School of Medicine, Health Sciences
3)Disaster Medical Radiology, Division of Disaster Medical Science, International Research Institute of Disaster Science,
Tohoku University
Recently, portable radiography has been performed in many facilities. In portable radiography, the distance betweenthe radiological technologist and the patient is often close. Thus, exposure assessment and radiation protection forradiological technologist is important. However, the use status of personal protective equipment and the recognition ofexposure differ depending on the facility and the individual. In addition, no detailed survey on the current state ofportable radiography has been reported. Therefore, we conducted a questionnaire survey for radiological technologistinvolved in portable radiography. As the result of the questionnaire survey, it became clear that the protection status ofradiological technologists during portable radiography varies depending on the facility, gender, and age. There weresome opinions that it was difficult to keep away from the patient during portable radiography. In that case, it isdesirable to wear protective equipment such as a protector.
Key words: radiation protection, occupational exposure, portable radiography
[doi:10.11269/jjrsm.19.2]
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Fig. 1 Usage of protective apron during portable radiography
in general wards. (Number of valid responses: 417)
Fig. 2 Usage of protective apron during portable radiography
in general wards (Comparison by average number of mobile
X-ray radiography per day). (Number of valid responses: 407)
Table 1 Characteristics of all participants.ïŒAverage age:
arithmetic mean±standard deviationïŒ
Characteristics Number Percentage
Sex
Male307ïŒAverage age:
41.1±12.7ïŒ 73.6
female 110ïŒAverage age:36.0±10.1ïŒ
26.4
Age
20s 108 26.2
30s 116 28.2
40s 87 21.1
Over 50s 101 24.5
Number ofbeds in
their facility
Less than 100 56 13.3
100200 126 30.1
200300 57 13.6
300400 72 17.2
400 beds ormore
108 25.8
Fig. 3 Usage of protective apron during portable radiography
in general wards (Comparison by age). (Number of valid
responses: 412, p valueïŒ0.0628)
Fig. 4 Usage of protective apron during portable radiography
in intensive care unit. (Number of valid responses: 295)
4
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Fig. 5 Usage of protective apron during portable radiography
in intensive care unit (Comparison by average number of
mobile X-ray radiography per day). (Number of valid
responses: 284)
Fig. 6 Percentage of radiological technologists conscious of
leaving more than 2 m away from the patient during portable
radiography. (Number of valid responses: 416)
Fig. 7 Percentage of radiological technologists conscious of
leaving more than 2 m away from the patient during portable
radiography (Comparison by average number of mobile X-ray
radiography per day). (Number of valid responses: 406)
Fig. 8 Percentage of radiological technologists conscious
of leaving more than 2 m away from the patient during
portable radiography (Comparison by age). (Number of valid
responses: 411, p valueïŒ0.1491)
Fig. 9 Percentage of radiological technologists who can
actually be more than 2 m away from the patient during
portable radiography in general wards. (Number of valid
responses: 417)
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Fig. 10 Percentage of radiological technologists who can
actually be more than 2 m away from the patient during
portable radiography in general wards (Comparison by
average number of mobile X-ray radiography per day).(Number of valid responses: 407)
Fig. 11 Percentage of radiological technologists who can
actually be more than 2 m away from the patient during
portable radiography in general wards (Comparison by age).(Number of valid responses: 412, p valueïŒ0.0642)
Fig. 12 Percentage of radiological technologists who can
actually be more than 2 m away from the patient during
portable radiography in intensive care unit. (Number of valid
responses: 293)
Fig. 13 Percentage of radiological technologists who can
actually be more than 2 m away from the patient during
portable radiography in intensive care unit (Comparison by
average number of mobile X-ray radiography per day).(Number of valid responses: 282)
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Fig. 14 Usage percentage by X ray protective wear type.(Number of valid responses: 355)
Fig. 15 Usage percentage by lead equivalent of X ray
protective wear. (Number of valid responses: 352)
Fig. 16 Percentage of radiological technologists who use
additional protective equipment in addition to the protector.(Number of valid responses: 357)
Fig. 17 Percentage of radiological technologists who
perform uneven exposure assessment during portable
radiography. (Number of valid responses: 418)
Fig. 18 Percentage of radiological technologists who use
real-time measurable dosimeters in addition to personal
dosimeters such as glass badges. (Number of valid responses:
418)
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ãã®çŸç¶ãšå¯ŸçïŒæ¥æ¬èšåºïŒ70(3), 479484(2012).
2)Chida K, Kaga Y, Haga Y, Kataoka N, Kumasaka E, Meguro
T, Zuguchi MOccupational dose in interventional radiology
procedures, American Journal of Roentgenology, 200(1),
138141(2013).
3)Chida K, Takahashi T, Ito D, Shimura H, Takeda K, Zuguchi
MClarifying and visualizing sources of staff-received
scattered radiation in interventional procedures, American
Journal of Roentgenology, 197(5), W900W903(2011).
4)Chida K, Kato M, Kagaya Y, Zuguchi M, Saito H, Ishibashi
T, Takahashi S, Yamada S, Takai YRadiation dose and
radiation protection for patients and physicians during
interventional procedure, Journal of Radiation Research, 51
(2), 97105(2010).
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