Coronary angiography exposes patients and physicians to ionizing radiation. The purpose of this study is to evaluate the routine use of large field of view during image acquisition for coronary angiography. Patients with indication of diagnostic coronary angiography will be randomized for the use of either large field of view during image acquisition or medium field of view. Patients, physician and nurse radiation exposure will be measured by digital dosimeter.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
120
Patients will be allocated in the large field of view arm. Coronary angiography will be performed with large field of view lens (25 cm)
Patients will be allocated in the medium field of view arm. Coronary angiography will be performed with medium field of view lens (20 cm)
Instituto de Cardiologia do Rio Grande do Sul
Porto Alegre, Rio Grande do Sul, Brazil
Patient's radiation exposure
Patient's radiation exposure will be measured in mGy at the end of procedure
Time frame: 24 hours
Physician and nurse radiation exposure
Physician and nurse radiation exposure will be measured in microSv at the end of procedure
Time frame: 24 hours
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