ArticleJournal of veterinary science2026
Effects of reduced kVp and contrast volume on dose and image quality in canine abdominal CT.
Article in Journal of veterinary science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
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Abstract
importanceLower peak kilovoltage (kVp) can reduce radiation dose and increase iodine conspicuity, but veterinary CT protocols integrating kVp reduction with iodine-dose reduction are not well defined.
objectiveTo evaluate the effects of reduced kVp and reduced iodinated contrast volume on radiation dose and image quality in canine abdominal CT.
methodsA phantom study (0%-10% iodine dilutions) at 120, 100, and 80 kVp quantified the relationship between iodine concentration and CT attenuation. Eight healthy Beagle dogs underwent multiphase abdominal CT at 120, 100, and 80 kVp (1-week intervals) with weight-based contrast volumes adjusted using phantom-derived slope ratios. Radiation output (CTDI
resultsCompared with 120 kVp, CTDI CONCLUSIONS AND RELEVANCE: In dogs, a 100 kVp protocol reduced radiation output and iodine dose while maintaining diagnostic image quality, supporting 100 kVp as a practical optimization strategy for clinical abdominal CT.
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