Clinical evaluation of CR versus plain film for neonatal ICU applications

Katherine P. Andriole; Robert C. Brasch; Charles A. Gooding; Robert G. Gould; H. K. Huang

doi:10.1117/12.208361

8 May 1995 Clinical evaluation of CR versus plain film for neonatal ICU applications

Katherine P. Andriole, Robert C. Brasch, Charles A. Gooding, Robert G. Gould, H. K. Huang

Proceedings Volume 2432, Medical Imaging 1995: Physics of Medical Imaging; (1995) https://doi.org/10.1117/12.208361
Event: Medical Imaging 1995, 1995, San Diego, CA, United States

Abstract

The clinical utility of computed radiography (CR) versus screen-film for neonatal intensive care unit (ICU) applications is investigated. The latest versions of standard ST-V and high- resolution HR-V CR imaging plates were compared via measurements of image contrast, spatial resolution and signal-to-noise. The ST-V imaging plate was found to have equivalent spatial resolution and object detectability at a lower required dose than the HR-V, and was therefore chosen as the CR plate to use in clinical trials in which a modified film cassette containing the CR imaging plate, a conventional screen and film was utilized. For 50 portable neonatal chest examinations, plain film was subjectively compared to the perfectly matched, simultaneously obtained CR hardcopy and softcopy images. Grading of overall image quality was on a scale of one (poor) to five (excellent). Readers rated the visualization of various structures in the chest (i.e., lung parenchyma, pulmonary vasculature, tubes/lines) as well as the visualization of pathologic findings. Preliminary results indicate that the image quality of both CR soft and hardcopy are comparable to plain film and that CR may be a suitable alternative to screen-film imaging for portable neonatal chest x rays.

Citation Download Citation

Katherine P. Andriole, Robert C. Brasch, Charles A. Gooding, Robert G. Gould, and H. K. Huang "Clinical evaluation of CR versus plain film for neonatal ICU applications", Proc. SPIE 2432, Medical Imaging 1995: Physics of Medical Imaging, (8 May 1995); https://doi.org/10.1117/12.208361

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