| Effects of syringe material and needle size on the minimum plunger-displacement pressure of arterial blood gas syringes. | |
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MedLine Citation:
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PMID: 10315159 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We determined the minimum systolic pressures required for blood to enter and begin to displace the plungers of four brands of 3-ml and 5-ml plastic and glass arterial blood gas syringes by combining samples of each syringe size with three sizes of short-beveled needles--25 gauge, 5/8"; 22-gauge, 1"; and 20-gauge, 1 1/2". We measured pressures by use of an arterial-vessel model that incorporated whole human blood and simulated the conditions of a percutaneous arterial puncture. We concluded that all the arterial blood gas syringes that we studied would self-fill in most clinical situations when they were combined with 20- or 22-gauge needles, but that 22-gauge needles with glass syringes were preferable for persons whose systolic pressures were less than 70 mm Hg, for persons in shock, and for persons undergoing CPR. Only glass 3-ml syringes should be used with 25-gauge needles, as two brands of plastic 3-ml syringes with 25-gauge needles required systolic pressures greater than 158 mm Hg and all brands of plastic and glass 5-ml syringes with 25-gauge needles required systolic pressures greater than 247 mm Hg. Because we found no clinical or statistical differences between 20- and 22-gauge needles, we do not recommend use of the larger 20-gauge needle. The syringe-needle combinations that we do recommend should negate the need for, and the potential trauma of, manual aspiration of the syringe plunger. |
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Authors:
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G M Ansel; F H Douce |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Respiratory care Volume: 27 ISSN: 0020-1324 ISO Abbreviation: Respir Care Publication Date: 1982 Feb |
Date Detail:
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Created Date: 1982-03-26 Completed Date: 1982-03-26 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 7510357 Medline TA: Respir Care Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 147-51 Citation Subset: H |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Blood Gas Analysis
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instrumentation* Blood Specimen Collection / instrumentation* Humans Needles* Syringes* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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