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Korean J Crit Care Med > Volume 21(2); 2006 > Article
Korean Journal of Critical Care Medicine 2006;21(2): 77-82.
중환자에서 비관혈적인 교류저항 심장도 검사를 이용한 혈역학적 검사의 유용성
관동대학교 의과대학 응급의학교실, *내과학교실
Comparison of Impedance Cardiography with Thermodilution of Hemodynamic Parameters in Critically Ill Patients
Hyung Goo Kang, Sang Won Chung, Ki Hyun Byun, In Byung Kim
1Department of Emergency Medicine, Kwandong University, College of Medicine, Kyeonggi, Korea. erman@kwandong.ac.kr
2Department of Cardiology, Kwandong University, College of Medicine, Kyeonggi, Korea.
BACKGROUND: To evaluate the feasibility of noninvasive hemodynamic monitoring (impedance cardiography, ICG) in critically ill patients, we compared this technique with simultaneous invasive monitoring with a pulmonary artery thermodilution catheter. METHODS: A prospective observational study was done comparing invasive monitoring and noninvasive monitoring in 12 critically ill patients. The cardiac output (CO), the stroke volume (SV) and the systemic vascular resistance (SVR) measured by using a standard thermodilution pulmonary artery catheter technique were compared with the corresponding measurements simultaneously using an ICG. RESULTS: The value of CO, SV and SVR measured by ICG were closely correlated to those by the thermodilution methods [r: 0.659 (p<0.01), 0.536 (p<0.01), 0.738 (p<0.01)]. CONCLUSIONS: ICG can provide hemodynamic information previously available only by invasive monitoring with a thermodilution catheter.
Key Words: Hemodynamics; Cardiac output; Catheters; Impedance cardiography
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