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ORIGINAL ARTICLE

The ACIST power injection system reduces the amount of contrast media delivered to the patient, as well as fluoroscopy time, during diagnostic and interventional cardiac procedures

, , , , , & show all
Pages 183-187 | Accepted 03 Oct 2005, Published online: 10 Jul 2009
 

Abstract

The ACIST injection system is an automatic power injection device that allows for online control of injection rate and volume of contrast. Limited data is available whether this technology allows reducing use of contrast and fluoroscopy time. Accordingly, we compared the use of this system to manual injection among 450 consecutive patients who underwent diagnostic coronary angiography and/or angioplasty who were randomly assigned to either manual contrast injection (control; n = 198) or to the ACIST system (study group; n = 252). The amount of contrast, fluoroscopy and total procedural times were recorded for each patient. In the diagnostic group, the mean total amount of contrast (including wasted) was reduced by 63% when the ACIST was used compared to control (100±42 ml versus 163±56 ml; P<0.001, respectively). When only the net amount of contrast delivered to the patient was considered, the differences were smaller (20%, P = 0.004). During angioplasty, the amount of contrast was also lower in the ACIST group (206±65 versus 230±69, P = 0.008), whereas no difference were noted in net amount of contrast. Fluoroscopy time was significantly shorter in the ACIST group compared to control both during diagnostic catheterization (4.7±3.5 min versus 6.3±5.5 min, respectively; P = 0.014), and angioplasty (16.7±9.1 min versus 19.6±12.4 min, respectively; P = 0.05). Routine utilization of the ACIST system during diagnostic and interventional procedure significantly reduced the total amount of contrast media used and fluoroscopy time.

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