ArticleRadiological physics and technology2026
Influence of standardized breath-holding instruction and practice on craniocaudal misregistration between the arterial and venous phases in preoperative abdominal contrast-enhanced computed tomography.
Article in Radiological physics and technology, 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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Abstract
This study aimed to clarify the influence of different breath-holding techniques on craniocaudal misregistration between the arterial and venous phases in preoperative abdominal contrast-enhanced computed tomography. A retrospective analysis was conducted on 60 patients who underwent contrast-enhanced CT for preoperative pancreatic evaluation, with 30 using inspiration breath-holding and 30 using expiration breath-holding. Craniocaudal differences in the start and end slice positions of the liver, pancreas, spleen, and kidneys were measured between the arterial and venous phases. Two observers performed a five-point visual evaluation of misregistration in the liver, pancreas, spleen, kidneys, celiac artery, splenic artery, and common hepatic artery. Quantitatively, only the starting slice position of the liver showed a significantly smaller difference in the inspiration group (3.3 mm vs. 2.3 mm; p < 0.05). No significant differences were observed in other organs. These findings suggest that breath-holding technique does not significantly affect craniocaudal misregistration between the arterial and venous phases in preoperative abdominal CT.
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