[1]钱积娣,张雨,郁春景.CT引导下125I粒子植入对相关医务人员的辐射剂量评估[J].国际放射医学核医学杂志,2018,(4):337-339.[doi:10.3760/cma.j.issn.1673-4114.2018.04.009]
　Qian Jidi,Zhang Yu,Yu Chunjing.Radiation dosage assessment of CT guided implantation of 125I seeds for medical personnel[J].International Journal of Radiation Medicine and Nuclear Medicine,2018,(4):337-339.[doi:10.3760/cma.j.issn.1673-4114.2018.04.009]
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《国际放射医学核医学杂志》[ISSN:1673-4114/CN:12-1381/R]

卷:
期数:
2018年第4期
页码:
337-339
栏目:
临床研究
出版日期:
2018-07-25

文章信息/Info

Title:
Radiation dosage assessment of CT guided implantation of 125I seeds for medical personnel
作者:
钱积娣;  张雨;  郁春景
214062, 江南大学附属医院(无锡市第四人民医院)核医学科
Author(s):
Qian Jidi;  Zhang Yu;  Yu Chunjing
Department of Nuclear Medicine, Affiliated Hospital, Jiangnan University(Wuxi No.4 People’s Hospital), Wuxi 214062, China
关键词:
体层摄影术; X线计算机; 125I粒子; 植入; 周围剂量当量率
Keywords:
Tomography; X-ray computed; 125I radioactive seed; Implantation; Ambient dose equivalent
DOI:
10.3760/cma.j.issn.1673-4114.2018.04.009
摘要:
目的 评估CT引导下125I粒子植入过程中相关医务人员在不同距离及有无辐射防护措施下的周围剂量当量率。方法 125I粒子植入后立即使用多功能射线检测仪测量50例125I粒子植入患者距粒子植入部位体表不同垂直距离（5 cm、10 cm、1 m、2 m和3 m）及有无防护措施条件下的周围剂量当量率，评估医务人员受到的辐射剂量。组间比较采用单因素方差分析。结果 距离粒子植入部位体表垂直距离为5 cm、10 cm、1 m、2 m和3 m处的周围剂量当量率分别为（1091.75±10.53）、（1055.50±31.68）、（123.45±20.83）、（20.95±6.10）和（7.78±3.24）μSv/h。0.5 mm铅当量铅衣屏蔽后5 cm、10 cm、1 m、2 m和3 m处的周围剂量当量率分别为（1.36±2.03）、（0.97±1.48）、（0.46±0.63）、（0.29±0.34）和（0.14±0.12）μSv/h。屏蔽前后周围剂量当量率的差异均有统计学意义（F=183.718、71.202、217.411、184.169、108.222，均P<0.05）。结论 CT引导下125I粒子植入过程中相关医务人员采取适当的距离防护及穿戴个人防护用品可以大大降低125I粒子带来的辐射影响。
Abstract:
Objective This study was conducted to assess the dosage of radiation associated with CT guided implantation of 125I seeds in medical personnel at different distances with or without radiation protection. Methods Ambient dose equivalent was measured by gamma ray radiation detector after implantation of 125I seeds with or without protection at different distances(5 cm, 10 cm, 1 m, 2 m, and 3 m) into 50 patients. Radiation dose received by medical personnel was assessed. Results The ambient dose equivalents were(1091.75±10.53), (1055.50±31.68), (123.45±20.83), (20.95±6.10), and(7.78±3.24) μSv/h in 5 cm, 10 cm, 1 m, 2 m, and 3 m. The ambient dose equivalents were(1.36±2.03), (0.97±1.48), (0.46±0.63), (0.29±0.34), and(0.14±0.12) μSv/h with 0.5 mmPb lead clothes at distances of 5 cm, 10 cm, 1 m, 2 m, and 3 m. The ambient dose equivalent was statistically significant with or without 0.5 mm Pb lead clothes (F=183.718, 71.202, 217.411, 184.169, 108.222, all P<0.05). Conclusions Medical personnel should take appropriate distance protection during 125I seeds implantation. Ambient dose equivalent can be significantly reduced by wearing 0.5 mmPb lead clothes.

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备注/Memo

备注/Memo:
收稿日期:2017-11-18。
通讯作者:郁春景,Email:ycj-wxd1978@163.com
更新日期/Last Update: 2018-07-25