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Print version ISSN 0100-3984
FIGUEIREDO, Filipe Morais de and GAMA, Zenewton André da Silva. Enhancement of radiological protection through an internal quality assessment cycle. Radiol Bras [online]. 2012, vol.45, n.2, pp.87-92. ISSN 0100-3984. http://dx.doi.org/10.1590/S0100-39842012000200005.
OBJECTIVE: To determine the level of quality in radiation protection of patients during radiological examination, evaluating the effectiveness of an intervention aimed at enhancing the quality of such a protection. MATERIALS AND METHODS: A quality improvement cycle was implemented in a radiology service of the Regional Health Administration, in Algarve, Portugal. Based on six quality criteria, an initial evaluation was performed and followed by an intervention focused on the most problematic points (over an eight-month period) and a subsequent quality reassessment. A random sampling (n = 60) has allowed the authors to infer the point estimates and confidence intervals for each criterion, as well as calculating the statistical significance of the results by means of the Z-test. RESULTS: Initially, deficiencies were observed in relation to all the quality criteria. After the intervention, a minimum relative improvement of 33% was observed in five of the six criteria, with statistical significance (p < 0.05) in two of them. The absolute frequency of non-compliance decreased from 38 (first evaluation) to 21 (second evaluation), corresponding to a 44.7% improvement. CONCLUSION: The first institutional evaluation cycle showed a seemingly incipient improvement margin. However, the implemented intervention was effective in stimulating good practices and improving the level of radiological protection of patients.
Keywords : Radiological protection; Quality enhancement; Institutional evaluation; Health care quality assurance.