Introduction: Nursing theories are essential for orienting nursing practice. To date, three models for nursing practice have been developed in Italy. In addition, significant epistemological reflections have been published, sparking a rich professional debate regarding the theoretical foundations of nursing in Italy. However, conceptual models from other countries are often still used, despite many difficulties associated with applying them in practice. In order to investigate and redress this ‘theoretical gap’ and related implications for intervention, three scoping reviews of the Italian nursing literature were conducted to examine three categories of nursing knowledge: (a) nursing practice in Italy; (b) the basic nursing concepts of pers...