TDDS: Terminal Delirium-Related Distress Scale
2021A 24-item bereaved-family questionnaire covering distress and perceived care around irreversible terminal delirium. It evaluates experience and care quality; it does not detect or diagnose delirium.
Classification
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Tool and original sources
No direct copy is linked here. The original paper and a Google Images search are available below. Image results may be unofficial; check the version and source before use.
Original paper
- Principal sourceUchida M, Akechi T, Morita T, Shima Y, Igarashi N, Miyashita M, et al. Development and validation of the Terminal Delirium-Related Distress Scale to assess irreversible terminal delirium. Palliative & supportive care. 2021;19(3):287-293. doi: 10.1017/S1478951520001340. PMID: 33397541.
This paper reports the development and initial validation of TDDS. It is the main source for the method, its intended use and the evidence available at publication.
At a glance
- Purpose
- Experience and impact
- Population
- Bereaved relatives of adults with cancer who experienced irreversible terminal delirium
- Setting
- Palliative care
- Time
- self-completed retrospective questionnaire; formal completion time not reported
- Items
- 24
- Score or threshold
- None for delirium detection or diagnosis
Evidence
More evidence and citation details
- Full name
- Terminal Delirium-Related Distress Scale
- Evidence summary
- psychometric-development-and-validation
- Source-study sample
- n = 281
- Citation
- Uchida M, Akechi T, Morita T, Shima Y, Igarashi N, Miyashita M; J-HOPE group Development and validation of the Terminal Delirium-Related Distress Scale to assess irreversible terminal delirium Palliative & Supportive Care. 2021;19(3):287-293. PMID 33397541
Copyright and reuse
- Information checked
- 2026-07-19
Instrument-specific terms apply. See the access and copyright policy or send a correction.
Sources checked 2026-07-29. How profiles are prepared.