[Clinical audit as a quality improvement tool in the emergency setting. A systematic review of the literature].

According to the National Institute for Health and Care Excellence, "Clinical audit is a quality improvement process that seeks to improve patient care and outcomes through systematic review of care against explicit criteria and the implementation of change…Where indicated, changes are implemented at an individual, team, or service level and further monitoring is used to confirm improvement in healthcare delivery". According to the scientific literature, clinical audit is more commonly used in secondary care with respect to primary care, probably because of the high variability that characterizes the latter. The aim of this study was to investigate, through a systematic literature review, the use and effectiveness of clinical audit in a particular field such as that of healthcare emergency.