Document Detail


Power injection of intravenous contrast material through central venous catheters for CT: in vitro evaluation.
MedLine Citation:
PMID:  8756923     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE: To determine the feasibility of use of a power injector to deliver contrast material through central venous catheters for computed tomographic (CT) examinations. MATERIALS AND METHODS: Ioversol 240 and iothalamate meglumine 43% were separately injected through three 9.6-F Hickman catheters and three 10.0-F Leonard catheters with a power injector in an in vitro study. Flow rates of 1.0, 1.5, 2.0, and 2.5 mL/sec were tested. Peak pressures were mechanically recorded from two sites. A 95% prediction interval was calculated for each peak pressure, and the upper limits at the prediction interval were evaluated to determine if it was less than the recommended limit of 25 psi (175 kPa). RESULTS: Contrast medium, flow rate, and catheter type each statistically significantly affected the measured peak pressures (P = .0001). For each flow rate tested, the upper limits of the prediction interval for the peak pressure at the connection between the coiled tubing and the catheter were below the manufacturer's specified peak pressure. CONCLUSION: In vitro analysis demonstrates that power injection of intravenous contrast medium through central venous catheters does not exceed the pressure limits of these catheters at the flow rates tested. In vivo testing to evaluate the safety and efficacy of power injection through central venous catheters is necessary.
Authors:
B R Herts; M A Cohen; B McInroy; W J Davros; R C Zepp; D M Einstein
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Publication Detail:
Type:  Comparative Study; In Vitro; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Radiology     Volume:  200     ISSN:  0033-8419     ISO Abbreviation:  Radiology     Publication Date:  1996 Sep 
Date Detail:
Created Date:  1996-09-18     Completed Date:  1996-09-18     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0401260     Medline TA:  Radiology     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  731-5     Citation Subset:  AIM; IM    
Affiliation:
Department of Radiology, Cleveland Clinic Foundation, OH 44195, USA.
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MeSH Terms
Descriptor/Qualifier:
Analysis of Variance
Catheterization, Central Venous / instrumentation*,  methods,  statistics & numerical data
Catheters, Indwelling / statistics & numerical data
Confidence Intervals
Contrast Media / administration & dosage*
Feasibility Studies
Humans
Injections, Intravenous / instrumentation,  methods,  statistics & numerical data
Iothalamate Meglumine / administration & dosage*
Tomography, X-Ray Computed / instrumentation*,  methods,  statistics & numerical data
Triiodobenzoic Acids / administration & dosage*
Chemical
Reg. No./Substance:
0/Contrast Media; 0/Triiodobenzoic Acids; 13087-53-1/Iothalamate Meglumine; 87771-40-2/ioversol

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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