PMID- 2008947
OWN - NLM
STAT- MEDLINE
DCOM- 19910502
LR  - 20190628
IS  - 0003-3022 (Print)
IS  - 0003-3022 (Linking)
VI  - 74
IP  - 4
DP  - 1991 Apr
TI  - Simultaneous intraoperative measurement of cardiac output by thermodilution and 
      transtracheal Doppler.
PG  - 664-9
AB  - Intraoperative measurement of cardiac output with transtracheal Doppler (DOP) was 
      compared with that measured by thermodilution (TD). Cardiac output was measured 
      simultaneously with both methods in 17 adult patients. For 86 pairs of 
      measurements, the average difference between the two techniques was -0.21.min-1. 
      This bias had a standard deviation of 1.71.min-1. The average of the absolute 
      value of the difference between measurements made with the two techniques was 
      1.31.min-1, with a standard deviation of 1.11.min-1. The limits of agreement were 
      -3.6 to 3.11.min-1. Linear regression yielded the following equation: DOP = 0.62 
      TD + 1.54 l.min-1 (r = 0.63). To evaluate the ability of transtracheal DOP to 
      trend changes in cardiac output, the changes in cardiac output at sequential time 
      points were compared for the two techniques. The average difference in the 
      changes in cardiac output measured by the two techniques was 0.01.min-1. This 
      bias had a standard deviation of 1.71.min-1. In conclusion, the transtracheal DOP 
      technique did not reproduce the measurement of cardiac output by TD 
      intraoperatively. Transtracheal DOP did not accurately trend changes in the TD 
      measurement. These findings were obtained from patients with cardiovascular 
      disease, and the conclusions may depend in part on the patient population and the 
      investigators' experience with the transtracheal DOP technique.
FAU - Siegel, L C
AU  - Siegel LC
AD  - Department of Anesthesia, Stanford University School of Medicine, California.
FAU - Fitzgerald, D C
AU  - Fitzgerald DC
FAU - Engstrom, R H
AU  - Engstrom RH
LA  - eng
PT  - Comparative Study
PT  - Journal Article
PL  - United States
TA  - Anesthesiology
JT  - Anesthesiology
JID - 1300217
SB  - IM
MH  - Adult
MH  - Aged
MH  - *Cardiac Output
MH  - Cardiac Surgical Procedures
MH  - Female
MH  - Humans
MH  - Intraoperative Period
MH  - Male
MH  - Middle Aged
MH  - Thermodilution/*methods
MH  - *Ultrasonics
EDAT- 1991/04/01 00:00
MHDA- 1991/04/01 00:01
CRDT- 1991/04/01 00:00
PHST- 1991/04/01 00:00 [pubmed]
PHST- 1991/04/01 00:01 [medline]
PHST- 1991/04/01 00:00 [entrez]
AID - 10.1097/00000542-199104000-00008 [doi]
PST - ppublish
SO  - Anesthesiology. 1991 Apr;74(4):664-9. doi: 10.1097/00000542-199104000-00008.