Absorbed dose in the presence of contrast agents during pediatric cardiac catheterization
Journal Article
·
· Med. Phys.; (United States)
OSTI ID:6740989
Administration of x-ray contrast agents during heart catheterization examination increases the absorbed radiation dose in tissue. To estimate the dose absorbed by the blood of children undergoing diagnostic heart catheterization and angiocardiography, a number of measurements and calculations were conducted including entrance and exit exposures to the patient. A dose enhancement factor and a mean absorbed dose to the patient's blood were calculated. For eight pediatric patients monitored, absorbed doses to the blood ranged between 3 and 12 rad. These values were two to three times greater than the expected dose without administration of a contrast agent.
- Research Organization:
- Univ. of California, Los Angeles
- OSTI ID:
- 6740989
- Journal Information:
- Med. Phys.; (United States), Vol. 6:6
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
62 RADIOLOGY AND NUCLEAR MEDICINE
BLOOD VESSELS
BIOMEDICAL RADIOGRAPHY
CHILDREN
DOSIMETRY
CONTRAST MEDIA
EVALUATION
LYMPHOCYTES
IN VITRO
THERMOLUMINESCENT DOSEMETERS
X RADIATION
AGE GROUPS
ANIMAL CELLS
ANIMALS
BIOLOGICAL MATERIALS
BLOOD
BLOOD CELLS
BODY
BODY FLUIDS
CARDIOVASCULAR SYSTEM
CONNECTIVE TISSUE CELLS
DIAGNOSTIC TECHNIQUES
DOSEMETERS
ELECTROMAGNETIC RADIATION
IONIZING RADIATIONS
LEUKOCYTES
LUMINESCENT DOSEMETERS
MAMMALS
MAN
MATERIALS
MEASURING INSTRUMENTS
MEDICINE
NUCLEAR MEDICINE
ORGANS
PRIMATES
RADIATIONS
RADIOLOGY
SOMATIC CELLS
VERTEBRATES
550602* - Medicine- External Radiation in Diagnostics- (1980-)
BLOOD VESSELS
BIOMEDICAL RADIOGRAPHY
CHILDREN
DOSIMETRY
CONTRAST MEDIA
EVALUATION
LYMPHOCYTES
IN VITRO
THERMOLUMINESCENT DOSEMETERS
X RADIATION
AGE GROUPS
ANIMAL CELLS
ANIMALS
BIOLOGICAL MATERIALS
BLOOD
BLOOD CELLS
BODY
BODY FLUIDS
CARDIOVASCULAR SYSTEM
CONNECTIVE TISSUE CELLS
DIAGNOSTIC TECHNIQUES
DOSEMETERS
ELECTROMAGNETIC RADIATION
IONIZING RADIATIONS
LEUKOCYTES
LUMINESCENT DOSEMETERS
MAMMALS
MAN
MATERIALS
MEASURING INSTRUMENTS
MEDICINE
NUCLEAR MEDICINE
ORGANS
PRIMATES
RADIATIONS
RADIOLOGY
SOMATIC CELLS
VERTEBRATES
550602* - Medicine- External Radiation in Diagnostics- (1980-)