ID 110775
Author
Inatsugi, Mikiko Department of Anesthesiology, Institute of Health Biosciences, The University of Tokushima Graduate School
Tanaka, Katsuya Department of Anesthesiology, Institute of Health Biosciences, The University of Tokushima Graduate School Tokushima University Educator and Researcher Directory KAKEN Search Researchers
Kitahata, Hiroshi Department of Anesthesiology, Institute of Health Biosciences, The University of Tokushima Graduate School Tokushima University Educator and Researcher Directory KAKEN Search Researchers
Nozaki, Junpei Department of Anesthesiology, Institute of Health Biosciences, The University of Tokushima Graduate School
Kawahito, Shinji Department of Anesthesiology, Institute of Health Biosciences, The University of Tokushima Graduate School Tokushima University Educator and Researcher Directory KAKEN Search Researchers
Oshita, Shuzo Department of Anesthesiology, Institute of Health Biosciences, The University of Tokushima Graduate School Tokushima University Educator and Researcher Directory KAKEN Search Researchers
Keywords
pulmonary blood flow
cardiac output
transesophageal echocardiography
Content Type
Journal Article
Description
Purpose. We studied the relationship between minute distance calculated from pulmonary venous flow (PVF) velocity tracing and cardiac output (CO)measured with thermodilution method in patients undergoing cardiovascular surgery. Methods. In 32 patients undergoing cardiovascular surgery, simultaneous measurements of hemodynamics including CO and transesophageal pulsed Doppler signals of PVF velocity were performed before and after surgical repair. Minute distance was calculated as the product of the heart rate and the sum of time-velocity integrals of PVF. Results. The minute distance after surgical intervention increased from 1121 ± 347 cm・sec-1to 1764 ± 538 cm・sec-1 (plt0.001 mean ± SD), while CO increased after surgical intervention from3.5 ± 0.9 L・min-1 to 5.3 ± 1.1 L・min-1. Simple linear regression analysis showed that minute distance was related with CO before and after surgical intervention (r=0.81 and r=0.76, respectively). The changes in minute distance were also related with those in CO (r=0.80). Conclusion. The present study demonstrated that minute distance obtained from the pulsed Doppler tracings of PVF velocity was related with CO during cardiovascular surgery in adults. These results suggest that the changes in CO could be estimated from minute distance in pulmonary vein.
Journal Title
The journal of medical investigation : JMI
ISSN
13431420
NCID
AA11166929
Volume
52
Issue
3-4
Start Page
178
End Page
185
Sort Key
178
Published Date
2005-08
EDB ID
FullText File
language
eng
TextVersion
Publisher
departments
Medical Sciences
Oral Sciences