Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
1990-11-19
pubmed:abstractText
An investigation was made of the accuracy of a portable hematocrit measurement device (Stat-Crit) on the infusate of an autologous blood transfusion system. Baseline hematocrit values were determined by three methods on in vivo blood samples of surgical patients immediately after the start of surgery, and again on the first product of the autologous blood retrieval system. At baseline, there were no significant differences in the values determined by the Stat-Crit (33.4% +/- 6.2%, mean +/- SD) and those determined by the microcentrifuge technique (33.8% +/- 4.7%) or by the Coulter method (33.5% +/- 4.5%) (P = 0.9). In contrast, hematocrit values determined on infusate samples by the Stat-Crit (36.6% +/- 4.8%) were significantly lower than those determined by the microcentrifuge technique (51.2% +/- 5.9%) or by the Coulter method (51.6% +/- 5.8%) (P = 0.0001). This study confirms close agreement of hematocrit values derived by the conductivity of whole blood in normal samples with those determined by conventional laboratory techniques, but indicates that this method will report falsely low readings in situations where plasma has been replaced by crystalloid, as in patients who have received large transfusions of processed autologous blood.
pubmed:commentsCorrections
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
AIM
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0003-2999
pubmed:author
pubmed:issnType
Print
pubmed:volume
71
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
541-4
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1990
pubmed:articleTitle
A comparison of conductivity-based hematocrit determinations with conventional laboratory methods in autologous blood transfusions.
pubmed:affiliation
Department of Anesthesiology, Virginia Mason Medical Center, Seattle, Washington 98111.
pubmed:publicationType
Journal Article, Comparative Study