PMID- 16913318 OWN - NLM STAT- MEDLINE DCOM- 20060829 LR - 20060817 IS - 0003-1348 (Print) IS - 0003-1348 (Linking) VI - 72 IP - 8 DP - 2006 Aug TI - Impedance cardiography: can it replace thermodilution and the pulmonary artery catheter? PG - 728-32; discussion 733-4 AB - Clinical assessment of cardiac output (CO) is inaccurate, yet the use of the pulmonary artery catheter (PAC) for thermodilution (TD) measurement of CO (CO(TD)) has declined significantly. Can noninvasive impedance cardiography (ICG) now be used to measure CO (CO(ICG)) in place of CO(TD)? A literature review of recent CO(ICG) correlations with CO(TD) (r = 0.73-0.92) were similar to ours, r = 0.81. A search for conditions interfering with CO(ICG) revealed no serious problems with patient position, cardiac or pulmonary assist devices, "wet lungs," body mass index > or = 30, or age > or = 70 years. A prospective randomized study was initiated beginning with a record of physician assessment of CO as high, normal, or low; concordance was 57%. Data from ICG was revealed only in the study group, resulting in a 49 per cent change in treatment compared with 29 per cent in the control group. Length of stay was shorter in the study than the control group in the intensive care unit (2.4 +/- 8.8 vs 3.3 +/- 7.3 days) and on the floor (9.8 +/- 10.6 vs 15.7 +/- 19.0 days). In conclusion, ICG is comparable with TD, is easily, accurately, and safely performed, enhances clinical assessment of CO, and improves care in hemodynamically compromised patients. FAU - Stout, Christopher L AU - Stout CL AD - Mercer University School of Medicine, Medical Center of Central Georgia, Macon, Georgia 31201, USA. FAU - Van de Water, Joseph M AU - Van de Water JM FAU - Thompson, William M AU - Thompson WM FAU - Bowers, Elliott W AU - Bowers EW FAU - Sheppard, Sam W AU - Sheppard SW FAU - Tewari, Amy M AU - Tewari AM FAU - Dalton, Martin L AU - Dalton ML LA - eng PT - Journal Article PT - Randomized Controlled Trial PL - United States TA - Am Surg JT - The American surgeon JID - 0370522 SB - IM MH - Aged MH - Cardiac Output/*physiology MH - Cardiography, Impedance/*methods MH - *Catheterization, Swan-Ganz MH - Critical Illness MH - Female MH - Follow-Up Studies MH - Heart Diseases/diagnosis/*physiopathology MH - Humans MH - Male MH - Middle Aged MH - Prospective Studies MH - Reproducibility of Results MH - *Thermodilution EDAT- 2006/08/18 09:00 MHDA- 2006/08/30 09:00 CRDT- 2006/08/18 09:00 PHST- 2006/08/18 09:00 [pubmed] PHST- 2006/08/30 09:00 [medline] PHST- 2006/08/18 09:00 [entrez] PST - ppublish SO - Am Surg. 2006 Aug;72(8):728-32; discussion 733-4.