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우심실기능평가에 있어서 경식도심초음파와 열희석법의 비교

Other Titles
 Comparison of Tranesophageal Echocardiography versus Thermodilution Method for the Assessments of Right Ventricular Function 
 나성원  ;  권태동  ;  오영준  ;  홍용우  ;  김지호  ;  곽영란 
 Korean Journal of Anesthesiology (대한마취과학회지), Vol.51(1) : 58-64, 2006 
Journal Title
 Korean Journal of Anesthesiology (대한마취과학회지) 
Issue Date
off-pump coronary artery bypass surgery ; right ventricular function ; thermodilution ; transesophageal echocardiography
BACKGROUND: It is important to evaluate the right ventricular (RV) function intraoperatively for optimal management of patients undergoing cardiac surgery. The clinical relevance of thermodilution method to tranesophageal echocardiography (TEE) for the measurements of RV function during off-pump coronary artery bypass surgery (OPCAB) was evaluated in this study. METHODS: Fifty patients undergoing OPCAB were included. RV function was assessed with both thermodilution method and TEE after anesthesia induction (T1), 10 min after leg elevation (T2), 10 min after returning to the supine position (T3), 10 min after Y-graft formation started (T4), 10 min after sternum closure (T5) and 10 min after applying 5cmH2O of positive end expiratory pressure (T6). Fractional area change (FAC) and tricuspid annular plane systolic excursion ratio (TAPSE) were measured by TEE and compared to RV ejection fraction (RVEF) measured by thermodilution technique. RV end diastolic area (EDA) derived from TEE was compared to RV end diastolic volume index (EDVI) derived from thermodilution technique. RESULTS: There was no significant correlation between echocardiographic data and thermodilution data by linear regression analysis. However, only in patients with right coronary artery stenosis less than 90%, TAPSE and FAC were significantly correlated with RVEF (P = 0.008 and 0.01, respectively) and EDA was significantly correlated with EDVI (P = 0.013) only at T4. CONCLUSIONS: RV performance measured by thermodilution technique did not correlate well with TEE finding in severe coronary artery disease patients. The correlation was significant during hemodynamically stable period (during Y-graft formation) in patients without severe right coronary artery disease.
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1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers
Yonsei Authors
Kwak, Young Lan(곽영란) ORCID logo https://orcid.org/0000-0002-2984-9927
Kweon, Tae Dong(권태동) ORCID logo https://orcid.org/0000-0002-5451-1856
Na, Sungwon(나성원) ORCID logo https://orcid.org/0000-0002-1170-8042
Oh, Young Jun(오영준) ORCID logo https://orcid.org/0000-0002-6258-5695
Hong, Yong Woo(홍용우)
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