Occupational radiation exposure to interventional radiologists: A prospective study

Journal Article · Sun Nov 01 00:00:00 EST 1992 · Journal of Vascular and Interventional Radiology; (United States)

DOI:https://doi.org/10.1016/S1051-0443(92)72903-0· OSTI ID:6789807

Marx, M V; Niklason, L; Mauger, E A ^[1]

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1. Univ. of Michigan Hospitals, Ann Arbor (United States)

This study investigates the occupational radiation dose to interventional radiologists and the operator-controlled factors that may affect dose. Thirty interventional radiologists wore radiation badges over and under lead aprons for 2 months and answered a questionnaire. The relationships between dose and caseload, case mix, experience, optional fluoroscopy features, lead apron type, and additional lead shielding were evaluated. Mean projected yearly dose (PYD) over lead was 49.1 mSv (1 mSv = 100 mrem) but was 66.6 mSv for persons performing 1,000 or more cases per year (P = .027). Mean PYD under lead was 0.9 mSv but was 1.3 mSv for persons with 0.5-mm lead coverage and 0.4 mSv for those with 1.0-mm lead coverage (P = .002). No other significant correlation was found. Conclusions are that caseload and apron thickness are the primary determinants of total body dose, that over-lead dose is high enough to warrant additional lead shielding for the head and neck, and that a double-thickness apron lowers under-lead dose by two-thirds. The large difference between under-lead and over-lead doses suggests that use of a collar badge alone for monitoring purposes is not predictive of total-body effective dose for this group of radiation workers.

• OSTI ID: 6789807
• Journal Information: Journal of Vascular and Interventional Radiology; (United States), Vol. 3:4
• Country of Publication: United States
• Language: English

Related Subjects

61 RADIATION PROTECTION AND DOSIMETRY
RADIOLOGICAL PERSONNEL
OCCUPATIONAL EXPOSURE
RADIATION DOSES
RADIATION PROTECTION
BIOMEDICAL RADIOGRAPHY
CHRONIC IRRADIATION
COMPARATIVE EVALUATIONS
HUMAN POPULATIONS
PROTECTIVE CLOTHING
RADIATION MONITORING
ANIMALS
CHRONIC EXPOSURE
CLOTHING
DIAGNOSTIC TECHNIQUES
DOSES
EVALUATION
IRRADIATION
MAMMALS
MAN
MEDICAL PERSONNEL
MEDICINE
MONITORING
NUCLEAR MEDICINE
PERSONNEL
POPULATIONS
PRIMATES
RADIOLOGY
VERTEBRATES
560180* - Radiation Protection Procedures- (1992-)
560101 - Biomedical Sciences
Applied Studies- Radiation Effects- Dosimetry & Monitoring- (1992-)