Comparison of samples obtained from 3.2% sodium citrate glass and two 3.2% sodium citrate plastic blood collection tubes used in coagulation testing

Robert C. Gosselin, Kim Janatpour, Edward C. Larkin, Yanlap P. Lee, John T Owings

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

We sought to compare coagulation test results obtained from patients using 2 plastic blood collection tubes and the traditional glass blood collection tube. Blood specimens were obtained from 241 patients in 3.2% buffered sodium citrate using standard glass tubes, in 3.2% buffered sodium citrate in plastic tubes, and in 3.2% sodium citrate "sandwich" tubes (plastic within plastic). All samples were obtained and processed contemporaneously and tested for prothrombin time (PT) and activated partial thromboplastin time (aPTT). Residual plasma was frozen at -70°C for future testing, including fibrinogen, antithrombin, plasminogen, protein C and protein S (functional and antigenic), dilute Russell viper venom time (DRVVT), ristocetin cofactor, factor XIII, D dimer, anti-Xa activity, and prothrombin fragment. Although paired t test analysis revealed statistically significant differences (P < .05) between glass and plastic for PT, aPTT, fibrinogen, protein C (functional and antigenic), functional protein S, DRVVT and confirmation method, antithrombin, and factor XIII, these differences were not considered clinically significant.

Original languageEnglish (US)
Pages (from-to)843-848
Number of pages6
JournalAmerican Journal of Clinical Pathology
Volume122
Issue number6
DOIs
StatePublished - Dec 2004

Fingerprint

Plastics
Prothrombin Time
Glass
Factor XIII
Partial Thromboplastin Time
Protein S
Protein C
Fibrinogen
Antithrombin Proteins
Antithrombins
Plasminogen
von Willebrand Factor
Prothrombin
sodium citrate

Keywords

  • Coagulation testing
  • Glass tubes
  • Plastic tubes

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Comparison of samples obtained from 3.2% sodium citrate glass and two 3.2% sodium citrate plastic blood collection tubes used in coagulation testing. / Gosselin, Robert C.; Janatpour, Kim; Larkin, Edward C.; Lee, Yanlap P.; Owings, John T.

In: American Journal of Clinical Pathology, Vol. 122, No. 6, 12.2004, p. 843-848.

Research output: Contribution to journalArticle

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