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Review
Identifying delays to mechanical thrombectomy for acute stroke: onset to door and door to clot times
  1. Kaiz S Asif1,
  2. Marc A Lazzaro1,2,
  3. Osama Zaidat1,2,3
  1. 1Department of Neurology, Medical College of Wisconsin and Froedtert Hospital, Milwaukee, Wisconsin, USA
  2. 2Department of Neurosurgery, Medical College of Wisconsin and Froedtert Hospital, Milwaukee, Wisconsin, USA
  3. 3Department of Radiology, Medical College of Wisconsin and Froedtert Hospital, Milwaukee, Wisconsin, USA
  1. Correspondence to Dr M A Lazzaro, Vascular and Interventional Neurology, Medical College of Wisconsin and Froedtert Hospital, 9200 W Wisconsin Avenue, Milwaukee, WI 53226, USA; mlazzaro{at}mcw.edu

Abstract

Outcomes from endovascular therapy for acute stroke are time dependent. Delays in the administration of this therapy have not been extensively studied and no performance benchmarks have been established. There are limited data on the complex factors that can affect these delays. In this review, we discuss the existing literature on the delays involved in endovascular therapy and have presented them as prehospital and inhospital factors. Some of these factors are common to intravenous thrombolysis; in addition, there are some that are unique to endovascular therapy. These include the awareness of the first responders, emergency medical services, interhospital transfer and triage systems, activation of the endovascular team, complex imaging decisions, and intraprocedural delays. A thorough understanding of these delays can help identify areas of improvement which may affect clinical outcomes.

  • Stroke
  • Thrombectomy
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