Influence of the stopcock on the efficiency of percutaneous drainage catheters: laboratory evaluation.

Influence of the stopcock on the efficiency of percutaneous drainage catheters: laboratory evaluation. Research Abstract Details 

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Influence of the stopcock on the efficiency of percutaneous drainage catheters: laboratory evaluation. Abstract Text:

H B D'Agostino,Y Park,J P Moyers,E vanSonnenberg,R B Sanchez,B W Goodacre,Y H Kim,M V Vieira,

The effects of stopcocks on percutaneous fluid drainage were tested in a laboratory model by using a standard stopcock (6-French inner diameter) and a prototype stopcock (9-French inner diameter) connected to 8-, 10-, 12-, 14-, and 16-French catheters. Catheters were immersed in water alone or in viscous fluid with particulate matter, and the system was connected to low wall suction or gravity drainage. The average volume of fluid aspirated in a given period with and without a stopcock was compared for each catheter. The standard stopcock decreased drainage efficiency for these catheters by 13-42%. This decreased drainage efficiency was worse with the larger catheters. Particulate fluid blocked the stopcock connection for all catheters. With the prototype stopcock, drainage of water alone was reduced by 0-9% for the catheters of different sizes. Particulate fluid did not obstruct the prototype stopcock with any size catheter. With gravity drainage, the volume of water aspirated was reduced by 12-42% with the standard stopcock and by 3-6% with the prototype stopcock. These data suggest that stopcock connections greatly influence the efficiency of the percutaneous drainage systems. Stopcocks with larger inner diameters may improve drainage over that achievable with the stopcocks that are currently available.

Influence of the stopcock on the efficiency of percutaneous drainage catheters: laboratory evaluation. Publishing Authors By Initials

HB D'Agostino,Y Park,JP Moyers,E vanSonnenberg,RB Sanchez,BW Goodacre,YH Kim,MV Vieira,

For similar investigative techniques: equipment design research abstracts see: investigative techniques: equipment design research

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Influence of the stopcock on the efficiency of percutaneous drainage catheters: laboratory evaluation. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: AJR. American journal of roentgenology

VOLUME: 159

Page Numbers: 407-9

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ISSN: 0361-803X

DAY: 15

MONTH: Aug

YEAR: 1992

Influence of the stopcock on the efficiency of percutaneous drainage catheters: laboratory evaluation. Information

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LANGUAGE: eng

NlmUniqueID: 7708173

Influence of the stopcock on the efficiency of percutaneous drainage catheters: laboratory evaluation. Keywords Mesh Terms:

KEYWORDS: Equipment Design

MESH TERMS: instrumentation

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Grant and Affiliation Information for Influence of the stopcock on the efficiency of percutaneous drainage catheters: laboratory evaluation.

AFFILIATION: Department of Radiology, University of California, San Diego 92093.

Country: UNITED STATES

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MEDLINETA: AJR Am J Roentgenol

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