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Intensive care medicine · Jun 2000
Roundtable conference on tissue oxygenation in acute medicine, Brussels, Belgium, 14-16 March 1998.
- W J Sibbald, K Messmer, and M P Fink.
- Program in Critical Care Medicine, Faculty of Medicine and Dentistry, University of Western Ontario, London, Canada. wsibbald@julian.uwo.ca
- Intensive Care Med. 2000 Jun 1; 26 (6): 780-91.
Abstract* Nutritional tissue perfusion and tissue metabolic demand are heterogeneously distributed. * Oxygen diffusion occurs preferentially at the precapillary arteriolar level. * Determination of adequacy of tissue oxygenation requires local organ measurements. * While there remains considerable variability in individual RBC transfusion practices, a recent clinical trial questioned the efficacy of RBC transfusion to hemoglobin concentrations greater than 80 gm/l in patients without heart disease [63]. * RBC substitutes, including cell-free hemoglobin solutions and PFC solutions are efficacious, yet may exhibit a number of direct vascular effects.
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