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Association of Carotid Arterial Circumferential Strain With Left Ventricular Function and Hemodynamic Compromise During Off-Pump Coronary Artery Bypass Surgery

 Young Song  ;  Jae-Kwang Shim  ;  Jong-Wook Song  ;  Chi-Young Shim  ;  Eui-Kyung Kim  ;  Young-Lan Kwak 
 Circulation Journal, Vol.78(10) : 2422-2430, 2014 
Journal Title
 Circulation Journal 
Issue Date
BACKGROUND: Considering the importance of ventricular-vascular coupling, a measure of arterial stiffness may reflect global myocardial performance. We evaluated the predictive value of common carotid arterial circumferential strain (CCA CirS), measured with ultrasound speckle tracking, for hemodynamic deterioration during off-pump coronary artery bypass (OPCAB) and assessed its association with echocardiographic indices of myocardial function. METHODS AND RESULTS: Patients with left ventricular ejection fraction (LVEF) ≥50% were enrolled. Intraoperative hemodynamic variables were compared in relation to CCA CirS tertiles. A total of 96 patients were analyzed. Mixed venous oxygen saturation (SvO2) during left circumflex artery grafting and sternum closure were lower in the first tertile than in the third tertile. On univariate logistic regression female gender, ratio of early transmitral velocity to annular velocity, pulse pressure, and CCA CirS were predictors of hemodynamic deterioration (defined as decrease in SvO2≥20%), while only CCA CirS remained as an independent predictor after multivariate analysis (OR, 0.27; 95% CI: 0.11-0.68). Area under the curve of CCA CirS for its prediction was 0.730 (95% CI: 0.608-0.852). CCA CirS was strongly associated with tissue Doppler-derived parameters of LV function. CONCLUSIONS: CCA CirS is a comprehensive marker reflecting LV function, and a predictor for hemodynamic deterioration during OPCAB in patients with preserved LVEF.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers
Yonsei Authors
곽영란(Kwak, Young Lan) ORCID logo https://orcid.org/0000-0002-2984-9927
송영(Song, Young) ORCID logo https://orcid.org/0000-0003-4597-387X
송종욱(Song, Jong Wook) ORCID logo https://orcid.org/0000-0001-7518-2070
심재광(Shim, Jae Kwang) ORCID logo https://orcid.org/0000-0001-9093-9692
심지영(Shim, Chi Young) ORCID logo https://orcid.org/0000-0002-6136-0136
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