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Relationship between Injection Rate and Contrast Enhancement on Three-dimensional Digital Subtraction Angiography of the Cerebral Arteries
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| Title: | Relationship between Injection Rate and Contrast Enhancement on Three-dimensional Digital Subtraction Angiography of the Cerebral Arteries |
| Authors: | Takagi, Satoshi Browse this author | | Hanasaki, Naoyuki Browse this author |
| Keywords: | cerebral arteries | | contrast media | | digital subtraction angiography | | intra-arterial injections | | three-dimensional image |
| Issue Date: | 3-Dec-2018 |
| Publisher: | Journal of the Belgian Society of Radiology |
| Journal Title: | Belgian Society of Radiology |
| Volume: | 102 |
| Issue: | 1 |
| Start Page: | 76 |
| Publisher DOI: | 10.5334/jbsr.1619 |
| PMID: | 30533599 |
| Abstract: | Objective: Three-dimensional (3D) digital subtraction angiography (DSA) is becoming a common technique for the assessment of the cerebral arteries. Nevertheless, the injection parameters for each artery are not standardized among institutions. The objective of this study was to analyze the relationship between injection rate and contrast enhancement on 3D DSA of the common carotid artery. Materials and methods: Twenty-four patients who underwent 3D DSA of the common carotid artery from June 2013 to March 2015 were included in this retrospective study. Contrast enhancement of each patient was analyzed for four cerebral arteries segments (A1, A2, M1 and M2) by measuring the average pixel value on the source rotational two-dimensional DSA images. Linear regression analysis was used to investigate the correlation between injection rate and contrast enhancement. Results: All four regression lines showed that a higher injection rate led to higher contrast enhancement. There was a significant relationship for the A1, A2 and M1 segments (P = 0.008, 0.03 and < 0.001) but not for the M2 segment (P = 0.13). The goodness-of-fit of the regression lines was high for the M1 segment (R 2 = 0.63). However, as the size of the vascular lumen became narrower, the value for the A1 (R-2 = 0.28) and A2 (R-2 = 0.19) segments became lower. Conclusion: In 3D DSA of the common carotid artery, contrast enhancement of a relatively wide lumen could be optimized by adjusting the injection rate. However, it is difficult to optimize the contrast enhancement of a relatively narrow lumen only by adjusting the injection rate. |
| Rights: | https://creativecommons.org/licenses/by/4.0/ |
| Type: | article |
| URI: | http://hdl.handle.net/2115/75871 |
| Appears in Collections: | 保健科学院・保健科学研究院 (Graduate School of Health Sciences / Faculty of Health Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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