Comparison of the 64-and 80-detector row computed tomography among the CT number and radiation dose during lower extremity computed tomography angiography

被引：0

作者：

Moriwake, Ryo ^{[1
]}

Masuda, Takanori ^{[2
]}

Yamamoto, Akira

Ikenaga, Hiroyuki ^{[1
]}

Yoshida, Koji ^{[1
]}

Takei, Yasutaka

Yao, Daiki ^{[1
]}

Ono, Atsushi ^{[2
]}

Hiratsuka, Junichi ^{[2
]}

Tamada, Tsutomu ^{[3
]}

机构：

[1] Kawasaki Med Sch Hosp, Dept Radiol Technol, 577 Matsushima, Kurashiki, Okayama 7010192, Japan

[2] Kawasaki Univ Med Welf, Dept Radiol Technol, 288 Matsushima, Kurashiki, Okayama 7010193, Japan

[3] Kawasaki Med Sch, Dept Radiol, 577 Matsushima, Kurashiki, Okayama 7010192, Japan

来源：

RADIATION PROTECTION DOSIMETRY | 2023年 / 199卷 / 04期

关键词：

PERIPHERAL ARTERIAL-DISEASE; RISK; VISUALIZATION; PREVALENCE; CHILDHOOD; EXPOSURE; BYPASS; SCANS;

D O I：

10.1093/rpd/ncac277

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

To compare the computed tomography (CT) number and the radiation dose between the 64 (group A) and 80-detector row (group B) during lower extremity computed tomography angiography (LE-CTA). We enrolled 144 patients underwent LE-CTA and compared the CT number for the popliteal arteries, radiation dose and the rate of the optimal CT number during the LE-CTA exceeding 200 HU between the two groups. The CT number for the popliteal arteries and mean dose-length product was significantly higher in Group A than in Group B (P < 0.01). The rate of the optimal CT number for the popliteal arteries was 23.6% with Group B scanner and 56.9% with Group A (P < 0.05). The 64-detector row CT was significantly higher in the CT number for the popliteal arteries, radiation dose and rate of the optimal CT number during the LE-CTA than the 80-detector row. Depiction ability did not improve by using a high CT scanner with a wider detector during LE-CTA.

引用

页码：356 / 362

页数：7

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