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Validation of a modified early warning score-linked Situation-Background-Assessment-Recommendation communication
Debora Burger1, Sue Jordan2, Una Kyriacos1
1Division of Nursing and Midwifery, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa.
Aims And Objectives:
To develop and validate a modified Situation-Background-Assessment-Recommendation communication tool incorporating components of the Cape Town modified early warning score vital signs chart for reporting early signs of clinical deterioration.
Background:
Reporting early signs of physiological and clinical deterioration could prevent "failure to rescue" or unexpected intensive care admission, cardiac arrest or death. A structured communication tool incorporating physiological and clinical parameters allows nurses to provide pertinent information about a deteriorating patient in a logical order.
Design:
Mixed methods instrument development and validation.
Methods:
We used a sequential three-phase method: cognitive interviews, content validation and inter-rater reliability testing to validate a self-designed communication tool. Participants were purposively selected expert nurses and doctors in government sector hospitals in Cape Town.
Results:
Cognitive interviews with five experts prompted most changes to the communication tool: 15/42 (35.71%) items were modified. Content validation of a revised tool was high by a predetermined ≥70% of 18 experts: 4/49 (8.2%) items were modified. Inter-rater reliability testing by two nurses indicated substantial to full agreement (Cohen's kappa .61-1) on 37/45 (82%) items. The one item achieving slight agreement (Cohen's kappa .20) indicated a difference in clinical judgement. The high overall percentage agreement (82%) suggests that the modified items are sound. Overall, 45 items remained on the validated tool.
Conclusion:
The first modified early warning score-linked Situation-Background-Assessment-Recommendation communication tool developed in South Africa was found to be valid and reliable in a local context.
Relevance To Clinical Practice:
Nurses in South Africa can use the validated tool to provide doctors with pertinent information about a deteriorating patient in a logical order to prevent a serious adverse event. Our findings provide a reference for other African countries to develop and validate communication tools for reporting early signs of clinical deterioration.
