title: Carotid stenosis and coronary artery bypass grafting.
abstract: OBJECTIVE
  To identify carotid stenosis (CS) prevalence and potential mortality predictors in individuals undergoing elective coronary artery bypass grafting (CABG).
  
  
  METHODS
  Cohort study including 393 scheduled for CABG. All patients underwent a color Doppler ultrasound study of the carotid arteries prior to CABG and were assessed for morbidity and mortality over the hospitalization. CS was considered clinically relevant when if > 50%. Significance was set at p < 0.05. Logistic regression was used to define mortality independent predictors.
  
  
  RESULTS
  CS prevalence was 17.4%. Following logistic regression analysis, CS > 50% (p = 0.001) and chronic renal failure (CRF) (p = 0.03) remained as mortality independent predictors.
  
  
  CONCLUSIONS
  CS showed a high prevalence in the study sample and together with CRF was a mortality independent factor.
authors.affiliation: Instituto de Cardiologia, Fundação Universitária de Cardiologia, Porto Alegre, RS, Brazil. verap.pesquisa@cardiologia.org.br
authors.forename: Marcelo Pereira
authors.initials: MP
authors.lastname: da Rosa
authors.forename: Vera Lúcia
authors.initials: VL
authors.lastname: Portal
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D016893:Carotid Stenosis / Q000000981:diagnostic imaging / Q000453:epidemiology* / Q000401:mortality; D015331:Cohort Studies; D001026:Coronary Artery Bypass / Q000706:statistics & numerical data*; D017558:Elective Surgical Procedures / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D007676:Kidney Failure, Chronic / Q000401:mortality; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000401:mortality; D015995:Prevalence; D012044:Regression Analysis; D018615:Ultrasonography, Doppler, Color