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1.
Article in Chinese | WPRIM | ID: wpr-884486

ABSTRACT

Objective:To explore the investigation level of individual monitoring for medical radiation workers.Methods:Monitoring and analysis of individual doses to the medical radiation workers in Guangdong province were performed, from 2016 to 2019, by the Individual Dose Monitoring Department of Guangdong Provincial Hospital for Occupational Disease Prevention and Control.Results:The numbers of monitored workers were diagnostic radiology 53 674, dental radiology 2 563, nuclear medicine 5 001, radiotherapy 16 687, interventional radiology 22 272 and others 2 087 from 2016 to 2019, of which the number of individuals with doses in excess of investigation level 1.25 mSv, were 76, 6, 18, 28, 133 and 2 respectively. The non-real doses made up 67.1 %, 100 %, 55.6 %, 82.1 %, 76.7 % and 100 % of their respective totals. Their 99th percentile doses P99 were 0.37, 0.39, 0.67, 0.35, 0.54 and 0.30 mSv, and the average periodic dose equivalent were 0.07, 0.06, 0.11, 0.06, 0.07 and 0.05 mSv respectively, indicating a statistically significant difference existing in the average annual effective dose between groups ( Z=-26.139--2.681, P<0.001). Conclusions:Due to non-reality of doses in excess of investigation levels and high labor cost, it is suggested to currently use 0.40 mSv per 3 months as investigation level for diagnostic radiology, dental radiology, radiotherapy and others, and 0.70 mSv per 3 months as for nuclear medicine and interventional radiology.

2.
Article in Chinese | WPRIM | ID: wpr-589488

ABSTRACT

OBJECTIVE To investigate the present situation of nosocomial infection and to provide scientific data for surveillance of nosocomial infection.METHODS The survey form of personal case was filled by adopting the method of combining clinical investigation and consulting inpatients medical records.RESULTS The rate of nosocomial infection was 4.04%;infection sites existed mainly in respiratory tract,urinary tract and skin and soft tissue;the application rate of antibiotics was 49.69% at the day of investigation.CONCLUSIONS The present infection rate survey can mainly help doctors to understand the situation of nosocomial infection.Rational use of antibiotics should be emphasized.

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