Impact of specialized nurse?led cardiac rehabilitation on physical activity in patients with cardiovascular disease：a realistic review

    Abstract Objective：To explore the effectiveness and mechanism of nurse?led cardiac rehabilitation on physical activity in patients with cardiovascular diseases.Methods：Searched in MedLine，OVID，EMbase，CINAHL，Web of Science，and the literature was evaluated based on \"situation?mechanism?outcome\" and ability，opportunity and motivation?behavior(COM?B) model.Reaults：A total of 17 articles were included，we found 4 contexts，4 mechanisms and 1 outcome ......