title: [Differences and similarities between the competencies of a nursing supervisor and an advanced clinical nurse specialist].
abstract: BACKGROUND
  With the aim of contributing to the development of a more specific professional regulation, the present study was to identify differences and similarities between the competencies of the nursing supervisor and clinical nurse specialist in an intensive care unit.
  
  
  METHODS
  A critical analysis of the literature published between 2003 and 2013 was conducted, identified through systematic searches in electronic databases, health management and practitioner journals and reference lists of the 17 items included.
  
  
  RESULTS
  «Management and administration» and «direct clinical practice» were identified as specific competencies of nursing supervisor and clinical nurse specialist respectively. «Collaboration», «leadership» and «research» emerged as competencies shared by both profiles, but with different a operationalization way of conducting it.
  
  
  CONCLUSIONS
  These findings imply that regulation, education and implementation of these profiles must address their specific skills as the distinctive approach taken in operationalizing shared.
authors.affiliation: UCI, Clínica Universidad de Navarra, Pamplona, España. Electronic address: mdelbarrio@unav.es.
authors.forename: M
authors.initials: M
authors.lastname: del Barrio-Linares
authors.affiliation: Facultad de Enfermería, Universidad de Navarra, Pamplona, España. Electronic address: mjpumarmendez@googlemail.com.
authors.forename: M J
authors.initials: MJ
authors.lastname: Pumar-Méndez
mesh_terms: D009745:Nursing, Supervisory; D011361:Professional Competence; D013041:Specialties, Nursing
keywords: Advanced practice nursing; Clinical nurse specialist; Competencia profesional; Critical Care Unit; Enfermera clínica especialista; Enfermería de práctica avanzada; Head nurse; Professional competence; Supervisora de enfermería; Unidad de Cuidados Intensivos