RT Journal Article SR Electronic T1 The quality of treatment of hyperacute ischemic stroke in Canada: a retrospective chart audit JF CMAJ Open FD Canadian Medical Association SP E233 OP E239 DO 10.9778/cmajo.20140067 VO 2 IS 4 A1 Aravind Ganesh A1 Marie Camden A1 Patrice Lindsay A1 Moira K. Kapral A1 Robert Coté A1 Jiming Fang A1 Brandon Zagorski A1 Michael Douglas Hill A1 for the Canadian Stroke Audit Group YR 2014 UL http://www.cmajopen.ca/content/2/4/E233.abstract AB Background The use of thrombolysis in acute stroke is an important indicator of the quality of stroke care, because it requires health care providers to work collaboratively, rapidly and accurately to optimize patient outcomes. We sought to assess the quality of hyperacute stroke care in Canada using the rate of thrombolysis as the key indicator. Methods We used national administrative data and a chart audit in a retrospective cohort design. We identified discharge diagnoses of stroke in the 10 Canadian provinces between 2008 and 2009. We drew a sample (over-weighted by population and hospital size) for a detailed chart review that was focused on identifying indicators of acute stroke care. We determined the proportions of thrombolysis use, complications and outcomes, adjusted for age and sex and stratified by type of hospital. Results Our final audit sample included 9588 patient charts, representative of 88% of the 43 651 cases of stroke for which patients were admitted to hospital in Canada. A total of 5.4% (95% confidence interval [CI] 5.1–5.6) of patients with stroke and 6.1% (95% CI 5.8–6.4) of patients with ischemic stroke received thrombolysis. Comprehensive stroke centres used thrombolysis in about one-third of ischemic cases — double the rate seen in primary stroke centres. Often (35%–49% of the time), thrombolysis was not given owing to an interval of more than 4.5 hours between stroke onset and arrival at hospital. Interpretation The use of thrombolysis for acute stroke in Canada remains low and is limited by delays in both the arrival of patients to hospital and the in-hospital processes of neuroimaging and thrombolysis administration. Our data show the critical need for concerted national efforts to improve education regarding the treatment of acute stroke and speed up stroke management in the hospital setting.