Reliability in the assessment of videotaped inhalation technique.

Geert N Rootmensen, Anton R J van Keimpema, Elske E Looysen, Letty van der Schaaf, Henk M Jansen, Rob J de Haan
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引用次数: 12

Abstract

Inhalation medication is essential in the treatment of asthma and chronic obstructive pulmonary disease (COPD) patients. Incorrect inhalation technique reduces the effects of medication and has been reported to range from 22% to 95% from optimal. The objective of this study was to determine inter- and intraobserver reliability in inhalation technique assessment. For interobserver reliability three observers scored after three times viewing a total of 49 video recorded inhalation demonstrations using device-specific checklists and mutually agreed scoring rules. Intraobserver reliability was assessed for two observers after 8 months by scoring inhalation demonstrations a second time. Both inter- and intraobserver reliability were expressed by mean percent agreement and mean Kappa scores. All inhaler devices revealed a high mean percent agreement and a substantial or almost perfect Kappa scoring for both inter- and intraobserver reliability. Only one item, "exhale to residual volume," showed poor intraobserver reliability. Assessment of video recorded inhalation technique using device-specific checklists, triple viewing, and mutual agreed scoring rules is reliable. This method enables blind observation of inhalation technique.

录像吸入技术评估的可靠性。
吸入药物在治疗哮喘和慢性阻塞性肺疾病(COPD)患者中是必不可少的。不正确的吸入技术会降低药物的效果,据报道,从最佳效果的22%到95%不等。本研究的目的是确定吸入技术评估的观察者之间和观察者内部的可靠性。对于观察者之间的可靠性,三名观察者在三次观看总共49个视频记录的吸入演示后,使用设备特定的核对表和相互同意的评分规则进行评分。8个月后,通过第二次对吸入演示进行评分来评估两名观察者的观察者内可靠性。观察者之间和观察者内部的信度都用平均一致性百分比和平均Kappa分数来表示。所有的吸入器装置都显示出较高的平均百分比的一致性,并且在观察者之间和观察者内部的Kappa评分都具有相当的或几乎完美的可靠性。只有一个项目,“呼气到剩余体积”,显示出较差的观察者内部可靠性。使用设备特定检查表、三次查看和相互同意的评分规则对视频记录的吸入技术进行评估是可靠的。这种方法可以实现对吸入技术的盲观察。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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