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Reference levels in PTCA as a function of procedure complexity

Lookup NU author(s): Dr Colin Kotre

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Abstract

The multicentre assessment of a procedure complexity index (CI) for the introduction of reference levels (RLs) in percutaneous transluminal coronary angioplasties (PTCA) is presented here. PTCAs were investigated based on methodology proposed by Bernardi et al. Multiple linear stepwise regression analysis, including clinical, anatomical and technical factors, was performed to obtain fluoroscopy time predictors. Based on these regression coefficients, a scoring system was defined and CI obtained. CI was used to classify dose values into three groups: low, medium and high complexity procedures, since there was good correlation (r = 0.41; P < 0.001) between dose-area product (DAP) and CI. CI groups were determined by an ANOVA test, and the resulting DAP and fluoroscopy time third quartiles suggested as preliminary RLs in PTCA, as a function of procedure complexity. PTCA preliminary RLs for DAP are 54, 76 and 127 Gy cm(2), and 12, 20 and 27 min for fluoroscopy time, for the three CI groups.


Publication metadata

Author(s): Peterzol A, Quai E, Padovani R, Bernardi G, Kotre CJ, Dowling A

Publication type: Article

Publication status: Published

Journal: Radiation Protection Dosimetry

Year: 2006

Volume: 117

Issue: 1-3

Pages: 54-58

ISSN (print): 0144-8420

ISSN (electronic): 1742-3406

Publisher: Oxford University Press

URL: http://dx.doi.org/10.1093/rpd/nci719

DOI: 10.1093/rpd/nci719


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