Table 6 Feasibility assessments
Tool | Assessing | Participants | Time period |
|---|---|---|---|
Structured observational tool | Implementation: participation rates (number of participating patients or nurses related to number of eligible patients or nurses). Overall recruitment, retention, and questionnaire completion rates | Patients Nurses | Throughout the data collection phase |
Patient satisfaction survey | Acceptability: patient satisfaction with cannulation technique, use of point-of-care ultrasound | Patients | After each cannulation |
Nurse satisfaction survey | Acceptability: nurse satisfaction with cannulation technique and use of point-of-care ultrasound | Nurses | After first cannulation with ultrasound After the half way point of the cannulation data collection |
Researcher study notes (diary) | Implementation: protocol adherence by nurses; issues verbalised by nurses, other staff, or patients regarding the study protocol, reasons for drop-out for both patients and nurses | Patients and nurses | Throughout data collection phase |
Image assessor measurement survey | Implementation: image assessor’s confidence in accuracy of measurements | Image assessor | Following completion of all needle placement measurements |
Structured interview or focus group | Acceptability, demand, implementation, and integration: suitability, usability, barriers and facilitators, sustainability | Nurses | Following completion of the cannulation data collection phase |