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An estimated 20% of emergency department (ED) patients require respiratory support (RS). Evidence suggests that nasal high flow (NHF) reduces RS need.
This review compared NHF to conventional oxygen therapy (COT) or noninvasive ventilation (NIV) in adult ED patients.
The systematic review (SR) and meta-analysis (MA) methods reflect the Cochrane Collaboration methodology. Six databases were searched for randomized controlled trials (RCTs) comparing NHF to COT or NIV use in the ED. Three summary estimates were reported: (1) need to escalate care, (2) mortality, and (3) adverse events (AEs).
This SR and MA included 18 RCTs (n = 1874 participants). Two of the five MA conclusions were statistically significant. Compared with COT, NHF reduced the risk of escalation by 45% (RR 0.55; 95% CI [0.33, 0.92], p = .02, NNT = 32); however, no statistically significant differences in risk of mortality (RR 1.02; 95% CI [0.68, 1.54]; p = .91) and AE (RR 0.98; 95% CI [0.61, 1.59]; p = .94) outcomes were found. Compared with NIV, NHF increased the risk of escalation by 60% (RR 1.60; 95% CI [1.10, 2.33]; p = .01); mortality risk was not statistically significant (RR 1.23, 95% CI [0.78, 1.95]; p = .37).
Evidence-based decision-making regarding RS in the ED is challenging. ED clinicians have at times had to rely on non-ED evidence to support their practice. Compared with COT, NHF was seen to be superior and reduced the risk of escalation. Conversely, for this same outcome, NIV was superior to NHF. However, substantial clinical heterogeneity was seen in the NIV delivered. Research considering NHF versus NIV is needed. COVID-19 has exposed the research gaps and slowed the progress of ED research.
To explain the process by which nurses' roles are negotiated in general practice.
Primary care nurses do important work within a social model of health to meet the needs of the populations they serve. Latterly, in the face of increased demand and workforce shortages, they are also taking on more medical responsibilities through task-shifting. Despite the increased complexity of their professional role, little is known about the processes by which it is negotiated.
Constructivist grounded theory.
Semi-structured interviews were conducted with 22 participants from 17 New Zealand general practices between December 2020 and January 2022. Due to COVID-19, 11 interviews were via Zoom™. Concurrent data generation and analysis, using the constant comparative method and common grounded theory methods, identified the participants' main concern and led to the construction of a substantive explanatory theory around a core category.
The substantive explanatory theory of creating place proposes that the negotiation of nurse roles within New Zealand general practice is a three-stage process involving occupying space, positioning to do differently and leveraging opportunity. Nurses and others act and interact in these stages, in accordance with their conceptualizations of need-responsive nursing practice, towards the outcome defining place. Defining place conceptualizes an accommodation between the values beliefs and expectations of individuals and pre-existing organizational norms, in which individual and group-normative concepts of need-responsive nursing practice are themselves developed.
The theory of creating place provides new insights into the process of nurses' role negotiation in general practice. Findings support strategies to enable nurses, employers and health system managers to better negotiate professional roles to meet the needs of the populations they serve, while making optimum use of nursing skills and competencies.
Findings can inform nurses to better negotiate the complexities of the primary care environment, balancing systemic exigencies with the health needs of populations.
In the face of health inequity, general practice nurses in New Zealand, as elsewhere, are key to meeting complex primary health needs. There is an evidence gap regarding the processes by which nurses' roles are negotiated within provider organizations. A deeper understanding of such processes may enable better use of nursing skills to address unmet health need.
Nurses' roles in New Zealand general practice are determined through goal-driven negotiation in accordance with individual concepts of need-responsive nursing practice. Individuals progress from occupying workspaces defined by the care-philosophies of others to defining workplaces that incorporate their own professional beliefs, values and expectations. Negotiation is conditional upon access to role models, scheduled dialogue with mentors and decision-makers, and support for safe practice. Strong clinical and organizational governance and individuals' own positive personal self-efficacy are enablers of effective negotiation.
The theory of Creating Space can inform organizational and individual efforts to advance the roles of general practice nurses to meet the health needs of their communities. General practice organizations can provide safe, supported environments for effective negotiation; primary care leaders can promote strong governance and develop individuals' sense of self-efficacy by involving them in key decisions. Nurses themselves can use the theory as a framework to support critical reflection on how to engage in active negotiation of their professional roles.
The authors adhered to relevant EQUATOR guidelines using the COREQ reporting method.
Researchers and participants currently working in general practice were involved in the development of this study. By the process of theoretical sampling and constant comparison, participants’ comments helped to shape the study design.
An understanding of the processes by which health professionals negotiate their roles is important to support them to meet the challenges of increased complexity across all health sectors globally.
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