Objective To explore the characteristic elements of post competence of nursing staff in large surface ships medical support,and to provide reference for the special training within military hospital and training for dispatched nursing staff.Methods Sixteen medical people who have carried out the large surface ship medical support were selected as research objects using the purposive sampling method.One-to-one semi-structured interviews were performed.The Colaizzi phenomenological analysis was used to carefully sort out and analyze the obtained data and summarize the theme.Results The core competency characteristics of nursing staff during the large surface ships medical support were extracted,including four elements:professional knowledge of common diseases on ships,professional nursing skills on ships,rescue professional ability in ships,and military quality.Conclusion It is essential to construct nursing staff training,system based on the core competencies of large surface ships medical support,and to reserve military nursing talents in daily training,so as to complete medical support tasks with high standards.

Objective To investigate the application of evidence-based nursing in the patients with cerebrospinal fluid leakage (CSFL) after vertebrae surgery.Methods 60 cases of patients were randomly divided into the observation group and the control group (30 cases in each),the control group was given conventional nursing,the observation group used evidence-based nursing,which was established by referring to some data and literatures according to a series of related nursing problems,getting direct and indirect evidence,and through analysis and summarizing to set up the nursing project for implementation.The incidence of intracranial hypotension headache,hyponatremia,wound healing disorders,infection of intervertebral space were compared.Results In the observation group,incidence of postoperative intracranial hypotension symptoms,postoperative hyponatremia,the incidence of wound healing disorders was statistically different from that of the control group.The incidence of infection in two groups showed no significant difference.Conclusions Using evidence-based nursing can reduce a series of complications in patients with CSFL after cervical surgery,control infection effectively,improve patients' comfort and improve the quality of nursing.