INVITRO EVALUATION OF RELATIVE PERFORATING POTENTIAL OF CENTRAL VENOUS CATHETERS - COMPARISON OF MATERIALS, SELECTED MODELS, NUMBER OF LUMENS, AND ANGLES OF INCIDENCE TO SIMULATED MEMBRANE

被引：80

作者：

GRAVENSTEIN, N

BLACKSHEAR, RH

机构：

[1] From the Department of Anesthesiology, University of Florida College of Medicine, Gainesville, FL

[2] From the Department of Neurosurgery, University of Florida College of Medicine, Gainesville, FL

来源：

JOURNAL OF CLINICAL MONITORING | 1991年 / 7卷 / 01期

关键词：

COMPLICATION; ACCIDENTS; EQUIPMENT; CATHETERS; CENTRAL VENOUS; MONITORING; BLOOD PRESSURE; HEART;

D O I：

10.1007/BF01617891

中图分类号：

R614 [麻醉学];

学科分类号：

100217 ;

摘要：

Perforation of the vena cava or atrium is a serious complication of monitoring with a central venous catheter. We designed an in vitro model with a pulsatin simulated membrane to evaluate a number of variables that could affect relative perforating potential of different types of central venous catheters. To determine the perforating potential of central venous catheters, we studied the effects of (1) the angle of incidence (n = 6) between catheter and simulated membrane; (2) catheter material (polyurethane and polyethylene); (3) make (manufacturer and model) (n = 6), with 3 catheters of each make tested; (4) design (n = 3 each: silicone rubber, open-ended blunt-ended, and polyurethane pigtail); and (5) number of lumens (single, double, or triple). Each trial was repeated five times with each catheter that was tested. Perforation was significantly more likely when the angle of incidence between catheter and pulsating simulated membrane was greater than 40-degrees than when it was 40-degrees (P < 0.05). Perforation was less likely with single-lumen than comparable Frenchsized double- and triple-lumen catheters; among single-lumen catheters, perforation required many more pulsations with a polyurethane than a polyethylene catheter (P < 0.001). Perforation potential differed significantly among 6 makes of 7-French triple-lumen catheters (P < 0.05). Compared with other materials or designs, silicone rubber or a pigtail tip decreased the perforation potential of catheters (P < 0.001). These data offer additional objective information to consider when choosing and positioning central venous catheters.

引用

页码：1 / 6

页数：6

共 22 条

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