With Severe Asymptomatic Carotid Artery Stenosis Do Not Have a Higher Risk of Stroke and Mortality After Coronary Artery Bypass Surgery

Carotid and Cerebrovascular Disease


Patients With Severe Asymptomatic Carotid Artery Stenosis Do Not Have a Higher Risk of Stroke and Mortality After Coronary Artery Bypass Surgery


Mahmoudi M, Hill PC, Xue Z, et al (Washington Hosp Ctr, DC) Stroke 42:2801–2805, 2011§



G.L. Moneta, MD



Evidence Ranking


• C



Expert Rating


• 1



Abstract



Background and Purpose


Stroke development is a major concern in patients undergoing coronary artery bypass grafting (CABG). Whether asymptomatic severe carotid artery stenosis (CAS) contributes to the development of stroke and mortality in such patients remains uncertain.



Methods


A retrospective analysis of 878 consecutive patients with documented carotid duplex ultrasound who underwent isolated CABG in our institution from January 2003 to December 2009 was performed. Patients with severe CAS (n = 117) were compared with those without severe CAS (n = 761) to assess the rates of stroke and mortality during hospitalization for CABG. The 30-day mortality rate was also assessed.



Results


Patients with severe CAS were older and had a higher prevalence of peripheral arterial disease and heart failure. Patients with severe CAS had similar rates of in-hospital stroke (3.4% versus 3.6%; P = 1.0) and mortality (3.4% versus 4.2%; P = 1.0) compared with patients without severe CAS. The 30-day rate of mortality was also similar between the 2 cohorts (3.4% versus 2.9%; P = 0.51).

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Apr 1, 2017 | Posted by in CARDIOLOGY | Comments Off on With Severe Asymptomatic Carotid Artery Stenosis Do Not Have a Higher Risk of Stroke and Mortality After Coronary Artery Bypass Surgery

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