Quality Improvement Intervention for Reducing Acute Treatment Times in Ischemic Stroke: A Cluster Randomized Clinical Trial

Importance: Efficient care processes are crucial to minimize treatment delays and improve outcome after endovascular thrombectomy (EVT) in patients with ischemic stroke. A potential means to improve care processes is performance feedback. Objective: To evaluate the effect of performance feedback to hospitals on treatment times for EVT. Design, Setting, and Participants: This cluster randomized clinical trial was conducted from January 1, 2020, to June 30, 2022. Participants were consecutive adult patients with ischemic stroke who underwent EVT in 13 Dutch hospitals. No patients were excluded. Data analysis took place from March to May 2023. Intervention: The intervention consisted of feedback on hospital performance using structure, process, and outcome indicators. Indicator scores were based on data from a national quality registry and compared with a benchmark. Performance feedback was provided through a dashboard for local quality improvement teams who developed and implemented improvement plans based on the feedback. Every 6 months, 3 to 4 randomly selected hospitals switched to the intervention condition. Main Outcome and Measures: The primary outcome was time from door to groin puncture for all patients treated with EVT. Secondary outcomes included door-to-needle time, National Institutes of Health Stroke Scale (NIHSS) score at day 2, expanded Treatment in Cerebral Infarction (eTICI) score, and modified Rankin Scale (mRS) score at 3 months. The effect of the intervention was estimated with multivariable linear mixed models. Results: A total of 4747 patients were included (intervention: 2431; control: 2316). Their mean (SD) age was 72 (13) years; 2337 (49.2%) were female and 2410 (50.8%) were male. The median (IQR) baseline NIHSS score was 14 (8-19). Median (IQR) door-to-groin puncture time under the intervention condition was 47 (25-71) minutes, compared with 52 (29-75) minutes under the control condition. The adjusted absolute reduction was 5 minutes (β = -4.8; 95% CI, -9.5 to -0.1; P =.04), corresponding to a relative reduction of 9.2% (95% CI, -18.3% to -0.2%). Conclusion and Relevance: This study found that performance feedback provided through a dashboard used by local quality improvement teams reduced door-to-groin puncture time for EVT. Implementation of performance feedback in hospitals providing EVT can improve the quality of care for ischemic stroke.