Preanalytical variability in laboratory testing: influence of the blood drawing technique.
Author(s): Lippi G, Salvagno GL, Brocco G, Guidi GC
Publication: Clin Chem Lab Med, 2005, Vol. 43, Page 319-25
PubMed ID: 15843239 PubMed Review Paper? No
Purpose of Paper
Conclusion of Paper
Studies
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Study Purpose
The purpose of this study was to determine if routine hematological and clinical chemistry parameters differ as a result of the type of needle used during blood draw (traditional straight needle versus butterfly device).
Summary of Findings:
Of the 43 parameters investigated, only platelet count and white blood cell count differed significantly due to the type of blood collection device used, which were lower in specimens collected with the butterfly device compared to those collected with a straight needle. However, as determined by coefficient of variation, serum sodium also differed among differentially collected specimens.
Biospecimens
Preservative Types
- None (Fresh)
Diagnoses:
- Not specified
Platform:
Analyte Technology Platform Protein Spectrophotometry Protein Clinical chemistry/auto analyzer Steroid Clinical chemistry/auto analyzer Small molecule Clinical chemistry/auto analyzer Carbohydrate Clinical chemistry/auto analyzer Electrolyte/Metal Clinical chemistry/auto analyzer Lipid Clinical chemistry/auto analyzer Cell count/volume Hematology/ auto analyzer Pre-analytical Factors:
Classification Pre-analytical Factor Value(s) Biospecimen Acquisition Needle gauge 21-Gauge straight needle
21-Gauge butterfly device