Generalizability and Effectiveness of Butterfly Phlebotomy in Reducing Hemolysis

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Abstract

Objectives The objective was to test the hypothesis that exclusive use of butterfly needles for phlebotomy, compared with sample collection via intravenous (IV) catheter, will reduce rates of sample hemolysis. Methods This was an observational study of hemolysis rates before and after implementation of a "butterfly-only" phlebotomy protocol. Weekly hemolysis rates, generated by the central laboratory, were collected and the proportion of hemolyzed specimens before and after protocol implementation were compared. Results Prior to institution of the butterfly-only protocol, 11.3% of specimens sent from the emergency department were reported as hemolyzed. During the postintervention period, only 4.3% of specimens were hemolyzed for a proportionate decrease of 62% and an absolute decrease of 7.0% (95% confidence interval = 6.6% to 7.3%). Conclusions Use of a butterfly-only phlebotomy protocol cuts hemolysis rates by more than half when compared with IV catheter phlebotomy.

Original languageEnglish (US)
Pages (from-to)204-207
Number of pages4
JournalAcademic Emergency Medicine
Volume23
Issue number2
DOIs
StatePublished - Feb 1 2016

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Butterflies
Phlebotomy
Hemolysis
Catheters
Needles
Observational Studies
Hospital Emergency Service
Confidence Intervals

ASJC Scopus subject areas

  • Emergency Medicine

Cite this

@article{063cd7946f284567a220b19e3059b2f8,
title = "Generalizability and Effectiveness of Butterfly Phlebotomy in Reducing Hemolysis",
abstract = "Objectives The objective was to test the hypothesis that exclusive use of butterfly needles for phlebotomy, compared with sample collection via intravenous (IV) catheter, will reduce rates of sample hemolysis. Methods This was an observational study of hemolysis rates before and after implementation of a {"}butterfly-only{"} phlebotomy protocol. Weekly hemolysis rates, generated by the central laboratory, were collected and the proportion of hemolyzed specimens before and after protocol implementation were compared. Results Prior to institution of the butterfly-only protocol, 11.3{\%} of specimens sent from the emergency department were reported as hemolyzed. During the postintervention period, only 4.3{\%} of specimens were hemolyzed for a proportionate decrease of 62{\%} and an absolute decrease of 7.0{\%} (95{\%} confidence interval = 6.6{\%} to 7.3{\%}). Conclusions Use of a butterfly-only phlebotomy protocol cuts hemolysis rates by more than half when compared with IV catheter phlebotomy.",
author = "Barnaby, {Douglas P.} and Andrew Wollowitz and Deborah White and Pearlman, {Scott B.} and Davitt, {Michelle M.} and Laura Holihan and Bijur, {Polly E.} and Gallagher, {E. John}",
year = "2016",
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doi = "10.1111/acem.12858",
language = "English (US)",
volume = "23",
pages = "204--207",
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T1 - Generalizability and Effectiveness of Butterfly Phlebotomy in Reducing Hemolysis

AU - Barnaby, Douglas P.

AU - Wollowitz, Andrew

AU - White, Deborah

AU - Pearlman, Scott B.

AU - Davitt, Michelle M.

AU - Holihan, Laura

AU - Bijur, Polly E.

AU - Gallagher, E. John

PY - 2016/2/1

Y1 - 2016/2/1

N2 - Objectives The objective was to test the hypothesis that exclusive use of butterfly needles for phlebotomy, compared with sample collection via intravenous (IV) catheter, will reduce rates of sample hemolysis. Methods This was an observational study of hemolysis rates before and after implementation of a "butterfly-only" phlebotomy protocol. Weekly hemolysis rates, generated by the central laboratory, were collected and the proportion of hemolyzed specimens before and after protocol implementation were compared. Results Prior to institution of the butterfly-only protocol, 11.3% of specimens sent from the emergency department were reported as hemolyzed. During the postintervention period, only 4.3% of specimens were hemolyzed for a proportionate decrease of 62% and an absolute decrease of 7.0% (95% confidence interval = 6.6% to 7.3%). Conclusions Use of a butterfly-only phlebotomy protocol cuts hemolysis rates by more than half when compared with IV catheter phlebotomy.

AB - Objectives The objective was to test the hypothesis that exclusive use of butterfly needles for phlebotomy, compared with sample collection via intravenous (IV) catheter, will reduce rates of sample hemolysis. Methods This was an observational study of hemolysis rates before and after implementation of a "butterfly-only" phlebotomy protocol. Weekly hemolysis rates, generated by the central laboratory, were collected and the proportion of hemolyzed specimens before and after protocol implementation were compared. Results Prior to institution of the butterfly-only protocol, 11.3% of specimens sent from the emergency department were reported as hemolyzed. During the postintervention period, only 4.3% of specimens were hemolyzed for a proportionate decrease of 62% and an absolute decrease of 7.0% (95% confidence interval = 6.6% to 7.3%). Conclusions Use of a butterfly-only phlebotomy protocol cuts hemolysis rates by more than half when compared with IV catheter phlebotomy.

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