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Anesth Analg 1977; 56:527-532
© 1977 International Anesthesia Research Society
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Selection of the Source of Mixed Venous Blood Samples in Severely Traumatized Patients

SHRIKUMAR S. DONGRE, MD*, T. CRAWFORD McASLAN, MD{dagger}, and BAEKHYO SHIN, MD{ddagger}

*Third Year Resident, Department of Anesthesiology, University of Marlyand Hospital, Baltimore, Maryland. {dagger}Professor, Department of Anesthesiology; Associate Clinical Director, Maryland Institute for Emergency Medicine, University of Maryland School of Medicine, Baltimore, Maryland 21201. {ddagger}Assistant Professor, Department of Anesthesiology; Attending Staff Anesthesiologist, Maryland Institute for Emergency Medicine, University of Maryland School of Medicine.

Abstract

The technic of balloon flotation catheterization represents a significant advance in providing an additional aid to diagnosis, clinical assessment, and management of the critically ill. The fact that such patients are admitted to an intensive care unit (ICU) invariably presumes that their management will include close and accurate monitoring of the cardiovascular and respiratory systems. In a prospective study of 51 patients, not in clinical shock, in an ICU, the authors demonstrated that superior vena cava samples are not a reliable index of mixed venous blood saturation in the critically injured patient, and that a pulmonary arterial catheter is essential for obtaining true mixed venous samples for valid estimations of intrapulmonary shunts and arteriovenous O2 content differences.






Lippincott, Williams & Wilkins Anesthesia & Analgesia® is published for the International Anesthesia Research Society® by Lippincott Williams & Wilkins with the assistance of Stanford University Libraries' HighWire Press®. Copyright 2006 by the International Anesthesia Research Society. Online ISSN: 1526-7598   Print ISSN: 0003-2999 HighWire Press
Copyright © 1977 by the International Anesthesia Research Society.