PMID: 18182728Jan 10, 2008Paper

Population characteristics and individual variations of enhancement of pancreas and aorta: a contrastive analysis of 2 injection rates

Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences
Xue-ying LongZhi-ming Zhu

Abstract

To contrastive analyze the population characteristics and individual variations of enhancement modes of normal pancreas and aorta at intravenous injection rates of 3 mL/s and 2 mL/s. Sixty-seven patients with normal pancreas were selected, and were divided randomly into 2 groups with different intravenous injection rates (3 mL/s for 35 patients in Group A and 2 mL/s for 32 patients in Group B). Single-level serial dynamic CT scan was performed at the level where the pancreas was best demonstrated. The enhancement values of pancreas and aorta for each time point of each patient were calculated, and the time-density curves of enhancement of pancreas and aorta of each patient were obtained. The peak enhancement and the time to reach the peak enhancement of pancreas and aorta of each individual patient were evaluated, and the 2 groups were compared. The individual variations of the enhancement modes of pancreas and aorta in each group were analyzed. The peak enhancement of pancreas was (75.7+/-17.0) Hu at (43.9+/-6.6) s for Group A, and (66.5+/-16.0) Hu at (55.2+/-5.0) s for Group B; the peak enhancement of aorta was (226.2+/-35.2) Hu at (35.4+/-4.5) s for Group A, (182.8+/-32.8) Hu at (48.0+/-3.7) s for Group B. There were signifi...Continue Reading

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