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Summary

Streamlining intravenous thrombolytic (iv tPA) logistics in a local hospital reduced door-to-needle time (DNT) to under 30 minutes. Moving treatment initiation to the CT lab significantly decreased DNT while maintaining low symptomatic intracerebral hemorrhage rates.

Keywords:
door-to-needle timeintravenous thrombolysisischemic strokeorganization

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Area of Science:

  • Neurology
  • Hospital Administration
  • Emergency Medicine

Background:

  • Intravenous thrombolysis with tissue plasminogen activator (iv tPA) is a critical treatment for acute ischemic stroke.
  • Optimizing door-to-needle time (DNT) is crucial for improving patient outcomes in stroke care.
  • Organizational changes within hospitals can impact the efficiency of time-sensitive treatments like iv tPA.

Purpose of the Study:

  • To evaluate time trends in iv tPA administration at a general hospital over a five-year period (2007-2011).
  • To assess the impact of shifting treatment initiation from the emergency room (ER) to the CT laboratory on DNT.
  • To determine how changes in acute antihypertensive medication administration influenced DNT.

Main Methods:

  • Prospective data collection of all stroke patients receiving iv tPA, enrolled in the Safe Implementation of Treatments in Stroke (SITS) registry.
  • Analysis of data from 2007 to 2011, focusing on DNT and safety outcomes.
  • Multivariable regression analysis to identify predictors of DNT, including treatment location and antihypertensive administration methods.

Main Results:

  • Median DNT significantly decreased from 36 to 28 minutes (P ≤ 0.001) over the study period.
  • Initiating iv tPA treatment in the CT laboratory, rather than the ER, was associated with a significant reduction in DNT (P = 0.007).
  • Acute antihypertensive treatment and warfarin administration were linked to increased DNT, while patient demographics and stroke severity did not significantly affect it.

Conclusions:

  • Streamlining iv tPA logistics in a community hospital setting can effectively reduce median DNT to below 30 minutes.
  • Relocating treatment initiation to the CT laboratory is a key strategy for improving DNT.
  • The implemented organizational model demonstrated resilience, maintaining low rates of symptomatic intracerebral hemorrhage (SICH) and DNT despite various patient factors.