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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
10
pubmed:dateCreated
1987-11-25
pubmed:abstractText
We evaluated three different methods for measuring lactate dehydrogenase (EC 1.1.1.27) isoenzyme LD-1 activity--agarose gel electrophoresis and two immunoassays, Isomune-LD (Roche) and LD-1 Immuno (Seragen)--in patients' samples for which measurement of creatine kinase-MB was ordered. Regression analyses of the comparisons gave the following results: LD-1 (%) from Isomune-LD (y) vs electrophoresis (x) (n = 51), y = 1.05x + 1.99, r = 0.92; LD-1 (%) from LD-1 Immuno (y) vs electrophoresis (n = 27), y = 1.05x + 3.94, r = 0.88; LD-1 (%) from LD-1 Immuno (y) vs Isomune-LD (x) (n = 41), y = 1.06x + 0.48, r = 0.95. Comparison by Student's paired t-test yielded significant differences between the mean values by electrophoresis and both Isomune-LD (P less than 0.005) and LD-1 Immuno (P less than 0.001), but no significant difference between the two immunoassays (P greater than 0.2). Analyzing these results by the overlap index, we conclude that electrophoresis shows the best clinical correlation followed, in order, by the Isomune-LD and the LD-1 Immuno methods. Both immunoassays are simpler and more rapid than electrophoresis, but in our hands the Isomune-LD method demonstrated greater precision and better correlation with electrophoretic values.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0009-9147
pubmed:author
pubmed:issnType
Print
pubmed:volume
33
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1884-6
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1987
pubmed:articleTitle
Electrophoresis and the isomune-LD and LD-1 immuno methods compared for measurement of lactate dehydrogenase isoenzyme-1.
pubmed:affiliation
Department of Clinical Pathology, William Beaumont Hospital, Royal Oak, MI 48072.
pubmed:publicationType
Journal Article, Comparative Study