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Time is brain!

A Ross Naylor1

  • 1Department of Vascular Surgery, Leicester Royal Infirmary, Leicester, UK. ross.naylor@uhl-tr.nhs.uk

The Surgeon : Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland
|February 23, 2007
PubMed
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Timely carotid endarterectomy (CEA) is crucial for stroke prevention. Delays exceeding 12 weeks significantly reduce the long-term benefits of CEA for patients with severe carotid artery stenosis.

Area of Science:

  • Vascular Surgery
  • Neurology
  • Public Health

Background:

  • Carotid endarterectomy (CEA) is an established stroke prevention strategy.
  • Delayed surgical intervention diminishes the effectiveness of CEA.
  • Current UK audit data indicates significant delays in stroke patient management.

Purpose of the Study:

  • To evaluate the impact of surgical delays on the long-term stroke prevention efficacy of CEA.
  • To highlight the consequences of delayed diagnosis and treatment in patients with carotid artery stenosis.

Main Methods:

  • Analysis of stroke prevention outcomes based on time from symptom onset to CEA.
  • Review of existing audit data on diagnostic timelines and surgical interventions.
  • Discussion of clinical practice deficiencies and potential systemic issues.

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Main Results:

  • Delaying CEA beyond 12 weeks in symptomatic patients with 50-99% NASCET (70-99% ECST) stenoses reduces long-term stroke prevention to only 8 strokes per 1000 procedures.
  • Suboptimal diagnostic pathways, such as delayed Duplex scans, contribute to these delays.

Conclusions:

  • Excessive delays in carotid endarterectomy significantly compromise its stroke prevention benefits.
  • Addressing delays requires both systemic changes in healthcare policy and improvements in surgical practice.
  • Urgent attention to surgical timing is necessary to maximize the effectiveness of CEA.