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J Thorac Cardiovasc Surg 2006;131:504
© 2006 The American Association for Thoracic Surgery

Letter to the Editor

Assumed oxygen consumption in the determination of cardiac output: Assume carefully ...

R.M.F. Berger, MD, PhD, A. Bergstra, BSc

Beatrix Children's Hospital, Department of Pediatrics, Division of Pediatric Cardiology, Thorax Center, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands

The first 20% of the full text of this article appears below.

To the Editor:

With great interest we read the article of Fakler and coworkers 1 Go in which they warn of large errors in determination of cardiac output when using the Fick principle with assumed oxygen consumption (VO2). 1 Go We share the concerns of the authors, especially in specific patients with potentially deviating VO2 compared with a control group, such as children with congenital heart disease. 2,3 Go However, methodological errors in the study of Fakler and associates may surpass the error introduced by the use of assumed VO2 in these patients.

Although we hope that our major concern is based on typographical . . . [Full Text of this Article]






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