Influence of needle gauge used for venipuncture on automated platelet count and coagulation profile in dogs

C. M. Greenwell, Steven E Epstein, P. H. Brain

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

Objective: To determine if differing gauge (G) needles used for venipuncture altered the automated platelet count and coagulation profile (prothrombin time (PT) and activated partial thromboplastin time (aPTT)) in clinically healthy dogs. Design: Prospective, observational, randomised, clinical study. Methods: We enrolled 20 clinically healthy dogs. Blood was collected via direct venipuncture of the jugular veins with 21G, 23G and 25G needles in a random order. Automated haematology and automated coagulation times were performed on the blood samples. Values were analysed for differences among the needle gauges and also the order of sample collection. Results: No difference was found in the automated platelet count or automated coagulation times for the three needle gauges used or the order in which the samples were collected. Conclusion: Venipuncture can be performed with a 21G, 23G or 25G needle to obtain blood from dogs for automated platelet count and PT/aPTT measurement without affecting the results.

Original languageEnglish (US)
Pages (from-to)71-74
Number of pages4
JournalAustralian Veterinary Journal
Volume92
Issue number3
DOIs
StatePublished - Mar 2014

Keywords

  • Dogs
  • Needle bore
  • Needle size
  • Partial thromboplastin time
  • Prothrombin time

ASJC Scopus subject areas

  • veterinary(all)

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