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Nucleus
versión On-line ISSN 2075-5635
Resumen
GONZALEZ LOPEZ, Dagoberto Eloy y BORJAS HERNANDEZ, Pedro. Risk appraisal in the radiotherapy patient:“V. I. Lenin” Hospital in Holguin province. Nucleus [online]. 2015, n.57, pp. 26-30. ISSN 2075-5635.
An accident is usually caused by the simultaneous occurrence of human errors and equipment failure. In medical applications, the radiation therapy is the increased risk of complexity presented by treatments in patients. The different accidents that have occurred in the world in this practice show the need for safety analysis in order to identify and prevent accidental exposures. In this regard, the effectiveness of the semiquantitative method of “risk matrices”, which consists of a combined analysis of the frequency of occurrence of the event causing the accident, the chance of human errors or failure of the safety barriers, in addition to recognizing the seriousness of the consequences resulting from such events; which defi ne the acceptability criteria based on risk. In this research, this method was applied for safety evaluation analysis of the radiotherapy service at Holguin hospital, which uses a cobalt 60 Theratron Phoenix equipment. The study allowed to quantify the radiotherapy service strengths, to identify the most signifi cant contributors to risk events from the viewpoint of safety, as well as to adopt the most appropriate mitigation measures in order to decrease the ocurrence of such accidents. The risk of a large number of accident sequences caused by all possible human errors and equipment failures in the service was estimated, and it was also observed and consequently concluded that none of the accident sequences was considered as very high risk thus confirming that there is no imminent risk which could result in an accident at this facility
Palabras clave : radiotherapy; security; risk assessment; safety analysis; patients.