Validity and Reliability of a Scale to Measure Practice and Difficulty of End-of-Life Discussion for Patients with End-Stage Heart Failure

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  • 終末期心不全患者に対するエンドオブライフディスカッションの実践と困難感を測定する尺度の妥当性と信頼性の検討

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The objective of this study was to examine the validity and reliability of a scale for evaluating the implementation of and difficulty in end-of-life discussion （EOLD） with patients with end-stage heart failure. The analysis included 188 nurses from 141 randomly selected medical institutions nationwide. The investigation was conducted over the course of July in 2021. For our independently developed EOLD items, the frequency of implementation and difficulty were examined. We first performed exploratory factor analysis using the data on the frequency of EOLD implementation and then confirmatory factor analysis using the extracted factor structure. External validity was examined in relation to the implementation of spiritual care. The exploratory factor analysis gave two factors: “team” and “patient/family.” In the confirmatory factor analysis, the fit of the model to the data met the level of statistical tolerance for both EOLD implementation and difficulty. The omega （ ω ） reliability coefficient was also favorable. Further studies are needed to examine the generalizability of this scale and factors related to EOLD.

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