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This article examined the critical elements that have been identified in the development of advanced practice roles of nurses in four countries: Brazil, Thailand, the United Kingdom and the United States of America. Several sociopolitical and professional forces were examined for possible insights and ways in which they may have shaped the development and evolution of the roles of advanced practice nurses (APNs). These forces were: the socio-political environment; the health needs of society; the health workforce supply and demand; governmental policy and support; intra- and interprofessional collaboration; the development of nursing education; and documentation of effectiveness of the advanced role. The development of APN roles in the four social systems was reviewed to illustrate how socio-political and professional forces may have shaped nursing roles in each health care delivery system. Commonalities and distinguishing features across the four health and social systems were analysed to assess the predictive forces that may be identified as advanced roles in nursing have evolved in the global community.

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Background To the public and to individual nurses, certification usually means expert, high-quality, competent nursing care. Little research, however, has yielded results that support, or refute, any differences in clinical practice between certified and noncertified nurses. Objectives To determine whether the proportion of certified nurses on a unit is associated with the rate of nurse-sensitive patient outcomes. Methods A nonexperimental, correlational, descriptive design was used to anonymously survey 866 nurses working in 25 intensive care units in Southeast Michigan. The Conditions for Work Effectiveness Questionnaire-II was used to measure workplace empowerment, and an additional question was asked about certification status. Outcome data were simultaneously collected on 3 nurse-sensitive patient outcomes: (1) rate of central line catheter-associated blood stream infection, (2) rate of ventilator-associated pneumonia, and (3) prevalence of pressure ulcers. Data were aggregated and analyzed at the unit level. Results No significant relationship was found between the proportion of certified nurses on a unit and patients’ outcomes. The association between nurses’ perception of overall work-place empowerment and certification, however, was positive and statistically significant (r=.397, P=.05). Conclusions Although a link between certification and nurse-sensitive outcomes was not established, the association between workplace empowerment and the proportion of certified nurses on a unit underscores the importance of organizational factors in the promotion of nursing certification.