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目的研究临床核医学治疗中~(131)I所致辐射剂量,为临床放射防护提供依据。方法将34例接受~(131)I治疗的甲状腺功能亢进患者随机分为两组,分别由两组医师和护士进行治疗和护理,每组由1名医师和1名护士组成,对照组采用常规治疗防护措施,观察组采用综合治疗防护措施,比较两组患者治疗后~(131)I的全身有效剂量和甲状腺有效剂量,以及相应两组医师和护士工作一年所受辐射剂量。结果两组患者的甲状腺有效剂量组间比较差异无统计学意义(P>0.05);观察组患者的全身有效剂量低于对照组,差异有统计学意义(P<0.05);观察组医师和护士工作1年所受辐射剂量低于对照组,差异有统计学意义(P<0.05)。结论采用综合防护措施可以有效减少~(131)I放射治疗对患者其医护人员的辐射,从而提高临床接受放射治疗的患者以及核医学工作人员的安全性。
Objective To study the radiation dose induced by ~ (131) I in clinical nuclear medicine and provide the basis for clinical radiological protection. Methods Thirty-four patients with 131I-treated hyperthyroidism were randomly divided into two groups, which were treated and nurses by two groups of physicians and nurses. Each group consisted of a physician and a nurse. The control group was treated with routine The protective measures in the observation group were comprehensively treated and protective measures were taken. The systemic effective dose of ~ (131) I and the effective thyroid dose in both groups were compared between two groups, and the radiation doses of the two groups of doctors and nurses for one year were compared. Results There was no significant difference in the thyroid effective dose between the two groups (P> 0.05). The effective systemic dose in the observation group was lower than that in the control group (P <0.05). The observation group physicians and nurses The radiation dose of one year after work was lower than that of the control group, the difference was statistically significant (P <0.05). Conclusion The comprehensive protective measures can effectively reduce the radiation of 131I radiotherapy to its medical staff, so as to improve the safety of clinical radiotherapy patients and nuclear medicine staff.