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  • Title: DIAGNOSTIC REFERENCE LEVELS BASED ON PATIENT BODY MASS INDEX FOR SELECT INTERVENTIONAL PROCEDURES IN MINAS GERAIS/BRAZIL.
    Author: Vieira LA, Silva FAR, Silva T, Nogueira MS.
    Journal: Radiat Prot Dosimetry; 2022 Jun 09; 198(7):379-385. PubMed ID: 35512350.
    Abstract:
    This work establishes local diagnostic reference levels (DRLs) in interventional radiology based on adult patient body mass index (BMI). The monitoring was carried out from 23 institutions and patient data from 3015 procedures were collected, being 907 Catheterism (CAT), 921 Percutaneous transluminal coronary angioplasty (PTCA) and 1187 CAT/PTCA and 6 BMI ranges were taken, going from under 18 up to 40 kg·m-2. It is presented that 18 initial DRL values to be used in the county of Minas Gerais. The overall 75th kerma-area product (KAP), commonly considered DRL, in Gy·cm2, is 94.6(SD 119)-CAT, 88.6(SD 121)-PTCA and 33.0(SD 47.6)-CAT/PTCA. In considering KAP-BMI individual values, one obtain the min-max ranges, in Gy·cm2, 3.2-BMI A to 101-BMI B for CAT, 65-BMI A to 102-BMI F for PTCA and 10.4-BMI A to 59.2-BMI E for CAT/PTCA. The KAP-BMI approach has shown to be feasible as a DRL optimization process.
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