Why the study?
Does cardiac output estimation by USCOM agree with bolus thermodilution in post off-pump CABG patients?
Does cardiac output estimation by USCOM agree with bolus thermodilution in post off-pump CABG patients?
The non-invasive USCOM device shows very good agreement with the invasive bolus thermodilution technique for estimating cardiac output in post-CABG patients.
The present study compares the cardiac output (CO) estimated by a new, non-invsive continuous Doppler device (Ultrasonic cardiac output monitor-USCOM) with that by bolus thermodilution technique (TD). Thirty post off-pump coronary artery bypass graft surgery patients were studied in this prospective nonrandomized study. Right heart CO estimation by USCOM and TD was performed and measured in quadruplet. A total of 120 paired observations were made. The mean CO was 4.63 and 4.76 Llmin as estimated by TD and USCOM respectively. For TD and USCOM, the CO had a mean bias (tendency of one technique to differ from other) of -0.13 L/min and limits of agreement (mean bias +/- 2SD) at -0.86 and 0.59 L/min. The study reveals very good agreement between the values of CO estimated by USCOM and TD.
No takes yet. Share an insight, caveat, or question.
Mehta et al. (2007) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: