经口气管导管吸痰评估工具（ESAT©）的信度和效标关联效度（结构）测试。
Reliability and criterion-related validity testing (construct) of the Endotracheal Suction Assessment Tool (ESAT©).
机构信息
University of Notre Dame Australia, Fremantle, WA, Australia.
Paediatric Intensive Care Unit, Princess Margaret Hospital for Children, Subiaco, WA, Australia.
出版信息
J Clin Nurs. 2018 May;27(9-10):1891-1900. doi: 10.1111/jocn.14269.
AIMS AND OBJECTIVES
To establish criterion-related construct validity and test-retest reliability for the Endotracheal Suction Assessment Tool© (ESAT©).
BACKGROUND
Endotracheal tube suction performed in children can significantly affect clinical stability. Previously identified clinical indicators for endotracheal tube suction were used as criteria when designing the ESAT©. Content validity was reported previously. The final stages of psychometric testing are presented.
DESIGN
Observational testing was used to measure construct validity and determine whether the ESAT© could guide "inexperienced" paediatric intensive care nurses' decision-making regarding endotracheal tube suction. Test-retest reliability of the ESAT© was performed at two time points.
METHODS
The researchers and paediatric intensive care nurse "experts" developed 10 hypothetical clinical scenarios with predetermined endotracheal tube suction outcomes. "Experienced" (n = 12) and "inexperienced" (n = 14) paediatric intensive care nurses were presented with the scenarios and the ESAT© guiding decision-making about whether to perform endotracheal tube suction for each scenario. Outcomes were compared with those predetermined by the "experts" (n = 9). Test-retest reliability of the ESAT© was measured at two consecutive time points (4 weeks apart) with "experienced" and "inexperienced" paediatric intensive care nurses using the same scenarios and tool to guide decision-making.
RESULTS
No differences were observed between endotracheal tube suction decisions made by "experts" (n = 9), "inexperienced" (n = 14) and "experienced" (n = 12) nurses confirming the tool's construct validity. No differences were observed between groups for endotracheal tube suction decisions at T1 and T2.
CONCLUSION
Criterion-related construct validity and test-retest reliability of the ESAT© were demonstrated. Further testing is recommended to confirm reliability in the clinical setting with the "inexperienced" nurse to guide decision-making related to endotracheal tube suction.
RELEVANCE TO CLINICAL PRACTICE
The ESAT© is the first validated tool to systematically guide endotracheal nursing practice for the "inexperienced" nurse.
目的和目标
建立气管内吸引评估工具（ESAT©）的相关结构效度和重测信度。
背景
在儿童中进行气管内管吸痰会显著影响临床稳定性。先前确定的气管内管吸痰的临床指标被用作设计 ESAT©的标准。内容效度先前已报道。呈现了心理测量学测试的最后阶段。
设计
观察性测试用于测量结构效度，并确定 ESAT©是否可以指导“经验不足”的儿科重症监护护士在气管内管吸痰方面做出决策。ESAT©的重测信度在两个时间点进行。
方法
研究人员和儿科重症监护护士“专家”制定了 10 个具有预定气管内管吸痰结果的假设临床情况。向“有经验”（n=12）和“无经验”（n=14）儿科重症监护护士介绍这些情况，并使用 ESAT©指导他们对每种情况是否进行气管内管吸痰做出决策。结果与由“专家”（n=9）预定的结果进行了比较。“有经验”和“无经验”儿科重症监护护士在连续两个时间点（相隔 4 周）使用相同的情况和工具来指导决策，对 ESAT©的重测信度进行了测量。
结果
专家（n=9）、无经验（n=14）和有经验（n=12）护士做出的气管内管吸痰决策之间没有差异，这证实了工具的结构效度。两组在 T1 和 T2 时的气管内管吸痰决策之间没有差异。
结论
ESAT©的相关结构效度和重测信度得到了验证。建议进一步测试，以确认在“无经验”护士指导与气管内管吸痰相关的决策时，该工具在临床环境中的可靠性。
临床相关性
ESAT©是第一个验证的工具，可系统地指导“无经验”护士的气管内护理实践。
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