Intravenous extension sets: when more is less

Connecting the entire small-bore extension set, consisting of the ULTRASITE valve and 8-inch extension tubing, reduced the maximal flow rate to approximately 180 mL/min. [...]when using an IV catheter larger than an 18G, the extension set becomes the rate-limiting step. Catheter size 14G 16G 18G Pub...

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Bibliographic Details
Published in:Journal of clinical anesthesia 2013-06, Vol.25 (4), p.348-350
Main Authors: Marks, Roger, MD, Boyd, Jared, MD, Ruiz, Nicole
Format: Article
Language:English
Subjects:
Anesthesia
Anesthesia & Perioperative Care
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Biological and medical sciences
Catheterization - instrumentation
Catheters
Equipment Design
Humans
Infusions, Intravenous
Medical sciences
Needlestick injuries
Pain Medicine
Pharmaceutical Preparations - administration & dosage
Product introduction
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Summary:Connecting the entire small-bore extension set, consisting of the ULTRASITE valve and 8-inch extension tubing, reduced the maximal flow rate to approximately 180 mL/min. [...]when using an IV catheter larger than an 18G, the extension set becomes the rate-limiting step. Catheter size 14G 16G 18G Published rate 350 215 105 Measured rate with catheter alone 350 215 105 Measured rate with ULTRASITE valve 250 215 105 Measured rate with ULTRASITE valve and extension set 182 181 105 Table 1 Effect of extension set and catheter size on maximal flow rates (mL/min) ULTRASITE (B. Braun Medical, Inc., Bethlehem, PA, USA).G=gauge.
ISSN:0952-8180
1873-4529
DOI:10.1016/j.jclinane.2013.02.002