Objective:To learn about both the distribution of resources of radiodiagnostic and radiotherapeutic and the frequencies of radiological examinations to provide a basis for rational allocation of medical resources and standardize medical ionizing radiation.Methods:Based on the data on permanent resident population and the data reported by the Suzhou medical institutions in possesion of radiological equipment to the " Suzhou radiological health information management platform", a summary was made of the number of items of radiological equipment and the frequencies of radiological examinations in Suzhou medical institutions in 2022 and 2023.Results:In 2023, there were 368 medical institutions with radiological equipment in Suzhou, including 28 tertiary hospitals, 58 secondary hospitals, 159 primary hospitals and 123 unrated others. The total number of the items of radiological equipment was 1 688, with 39 items more than in 2022, about 1.30 units per 10 000 population. There were 5 187 medical radiation workers in total, with 339 more than in 2022. The frequencies of radiological procedures were 1 157.961/per thousand population, with 37.70% being from computed tomography in 2023.Conclusions:The number of items of radiodiagnostic and radiotherapeutic equipment and the frequencies of radiological procedures was at a relatively high level in China, but the distribution of medical resources were in a unbanlanced state. Efforts should be focused on optimization of the allocation of medical resources for the sake of reducing the public radiation dose and protecting public health.

Objective:To learn about both the distribution of resources of radiodiagnostic and radiotherapeutic and the frequencies of radiological examinations to provide a basis for rational allocation of medical resources and standardize medical ionizing radiation.Methods:Based on the data on permanent resident population and the data reported by the Suzhou medical institutions in possesion of radiological equipment to the " Suzhou radiological health information management platform", a summary was made of the number of items of radiological equipment and the frequencies of radiological examinations in Suzhou medical institutions in 2022 and 2023.Results:In 2023, there were 368 medical institutions with radiological equipment in Suzhou, including 28 tertiary hospitals, 58 secondary hospitals, 159 primary hospitals and 123 unrated others. The total number of the items of radiological equipment was 1 688, with 39 items more than in 2022, about 1.30 units per 10 000 population. There were 5 187 medical radiation workers in total, with 339 more than in 2022. The frequencies of radiological procedures were 1 157.961/per thousand population, with 37.70% being from computed tomography in 2023.Conclusions:The number of items of radiodiagnostic and radiotherapeutic equipment and the frequencies of radiological procedures was at a relatively high level in China, but the distribution of medical resources were in a unbanlanced state. Efforts should be focused on optimization of the allocation of medical resources for the sake of reducing the public radiation dose and protecting public health.

Objective To investigate the effect of posttraumatic stress disorder(PTSD) on the psychological healthy state among high school students in the earthquake regions.Method The samples were consisted of 666 high school students who had experienced the Wenchuan Earthquake.The Impact of Event Scale-Revised (IES-R) and Self Description Questionnaire (SDQ) were used to rate symptoms of PTSD and psychological states of high school students.Data were analyzed using correlation analysis and structural equation model analysis for male or female separately.Results (1) Because their scores of IES-R were higher than 35,22.67％ participants were considered as PTSD patients,girls accounted for 83 or 25.31％ of the total female;and boys accounted for 68 or 21.72％ of the total male.(2) Among female,avoid and awake systems of PTSD were correlated significantly with their psychological state significantly (r=0.101-0.181,P＜0.05).The result of structural equation model analysis was similar to correlation analysis,corresponding coefficients of path ranged 0.11 to 0.18 (P＜0.05).(3) Among male,intrude and awake systems were correlated with their psychological state significantly (r=0.111-0.313,P＜0.05).Corresponding coefficients of path ranged from 0.11 to 0.31 (P＜ 0.05).Conclusion Systems of PTSD effect clearly on the psychological state of high school students,and there are the gender difference among these relationships.The symptoms of PTSD influence interpersonal relationships,emotion,conduct,appearance and self-evaluation,but school work and stamina are not influenced in this study.