Low-frame-rate pulsed fluoroscopy vs low-exposure-rate continuous fluoroscopy: a comparison

Steven L. Fritz; Steven R. Roys; Zoran Doric; James H. Duncan

doi:10.1117/12.154587

14 September 1993 Low-frame-rate pulsed fluoroscopy vs low-exposure-rate continuous fluoroscopy: a comparison

Steven L. Fritz, Steven R. Roys, Zoran Doric, James H. Duncan

Proceedings Volume 1896, Medical Imaging 1993: Physics of Medical Imaging; (1993) https://doi.org/10.1117/12.154587
Event: Medical Imaging 1993, 1993, Newport Beach, CA, United States

Abstract

Although improved video camera sensitivity has been responsible for reducing the radiation exposure rate in conventional fluoroscopy substantially over the last two decades, considerable further improvement is possible. Over the same period two methods for reducing fluoroscopic exposure have been implemented by various researchers: pulsed X-ray irradiation and progressive video acquisition of the image intensifier output at low frame rate with exposure per frame comparable to conventional fluoroscopy; and continuous irradiation with a combination of low exposure rate, high detector gain and X-ray beam filtration. Neither has come into widespread clinical use. This paper proposes a model of fluoroscopic patient exposure and compares pulsed fluoroscopy with other methods of exposure reduction. The implications of this model for fluoroscopic exposure rate optimization are discussed.

Citation Download Citation

Steven L. Fritz, Steven R. Roys, Zoran Doric, and James H. Duncan "Low-frame-rate pulsed fluoroscopy vs low-exposure-rate continuous fluoroscopy: a comparison", Proc. SPIE 1896, Medical Imaging 1993: Physics of Medical Imaging, (14 September 1993); https://doi.org/10.1117/12.154587

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