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A stroke/vascular neurology service increases the volume of urgent carotid endarterectomies performed in a tertiary referral center.

Abstract：

BACKGROUND:Increasing evidence supports that urgent carotid endarterectomy (CEA), defined as CEA during the index hospitalization, may be undertaken in select patients with acute carotid-related neurologic symptoms to prevent recurrent ischemic events. We aimed to determine the effect of a stroke/vascular neurology service on the volume of urgent CEAs performed and assess perioperative outcomes. METHODS:A retrospective review from a single tertiary referral center between June 2005 through December 2011 revealed 393 patients who underwent CEA. We identified the number of urgent CEAs before (June 2005-August 2008) and after (September 2008-December 2011) a stroke/vascular neurology service was implemented, as well as asymptomatic CEAs and symptomatic but electively performed CEAs. Demographic data as well as 30-day adverse outcomes (transient ischemic attack [TIA], stroke, myocardial infarction, and mortality) were analyzed for each group. In patients undergoing urgent CEA, TIA and stroke severity were assessed by a stroke neurologist using the ABCD2 TIA score and National Institutes of Health Stroke Scale (NIHSS), respectively. The χ2 test was used to compare differences between the urgent CEA volume before and after a stroke/vascular neurology service. Fisher's exact test was used to analyze perioperative outcomes. RESULTS:Demographics and comorbidities were similar between the 2 groups. The proportion of urgent CEAs performed increased significantly after initiation of a vascular neurology service (4.1% [7 of 172] vs. 22.2% [49 of 221], P<0.0001). Per annum, urgent CEAs increased from 5.3% (4/75) in 2005 to 39.6% (25/63) in 2011. A vascular neurology service did not increase the number of nonurgent referrals. Urgent CEA indications were ocular ischemic events 4% (2/49), cerebral ischemic/infarction events 35% (17/49), crescendo TIAs 6% (3/49), acute stroke 45% (22/49), and stroke-in-evolution 10% (5/49). Mean NIHSS was 3.5 (range 0-24); mean TIA score was 5 (range 1-8). Although there were no statistical differences in 30-day outcomes, there was a trend toward a higher combined complication rate (stroke, death, myocardial infarction) in the urgent compared with the symptomatic but electively performed CEA group (7.1 % [3/49] vs. 2% [1/49]; P=.36). However, patients undergoing urgent CEA with an NIHSS<10 had no perioperative complications. CONCLUSIONS:Collaboration with a vascular neurology team increased the volume of urgent CEAs over a 3-year period. In patients with mild-to-moderate strokes (NIHSS<10), urgent CEA perioperative outcomes approximate those for electively performed CEAs, suggesting improved care through a multidisciplinary approach.

journal_name

Ann Vasc Surg

journal_title

Annals of vascular surgery

authors

Bazan HA,Caton G,Talebinejad S,Hoffman R,Smith TA,Vidal G,Gaines K,Sternbergh WC 3rd

doi

10.1016/j.avsg.2013.10.002

subject

Has Abstract

pub_date

2014-07-01 00:00:00

pages

1172-7

issue

eissn

0890-5096

issn

1615-5947

pii

S0890-5096(13)00584-0

journal_volume

pub_type

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A stroke/vascular neurology service increases the volume of urgent carotid endarterectomies performed in a tertiary referral center.