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    Use of a remotely controlled mechanical pump for coronary arteriography: a study of radiation exposure and quality implications.

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    Authors
    Grant, S C
    Faragher, E B
    Hufton, Alan P
    Bennett, D H
    Affiliation
    Department of Cardiology, Wythenshawe Hospital, Manchester.
    Issue Date
    1993-11
    
    Metadata
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    Abstract
    BACKGROUND: Exposure to radiation is a hazard of invasive cardiology. To minimise the risk it is essential to keep the doses received as low as possible. AIM: To assess the effect on cardiologist radiation exposure and the quality of coronary artery opacification of the use of a remotely controlled mechanical pump for coronary arteriography. A secondary aim was to assess any disadvantages and safety. METHODS: 319 patients were randomised to have coronary arteriography carried out with contrast injected either by hand or by a remotely controlled mechanical pump. Six cardiologists participated: two catheter laboratories were used and both brachial and femoral approaches were included. The exposure of the cardiologists to radiation was assessed by film badge dosimetry. The badges were worn on the hat. The total time for the procedure, screening time, the dose-area product meter reading, and any complications were recorded for each examination. The quality of arterial opacification was reported on a scale of 0-5. RESULTS: The mean radiation dose per procedure was 0.011 mSv for hand injection of contrast and 0.005 mSv for mechanical injection (p < 0.01). There were no differences in procedure times or screening times. There were no complications attributable to mechanical injection. Arterial opacification was not significantly different in the two groups (4.01 v 4.03 for the left coronary artery, 4.68 v 4.78 for the right coronary artery). The right coronary artery was consistently better opacified than the left by both techniques (4.59 v 3.89, p < 0.001). CONCLUSIONS: Use of a remotely controlled mechanical pump for coronary arteriography reduced cardiologist radiation exposure by half. It was not associated with any inconvenience, expense, or complications and produced arterial opacification at least as good as injection by hand.
    Citation
    Use of a remotely controlled mechanical pump for coronary arteriography: a study of radiation exposure and quality implications. 1993, 70 (5):479-84 Br Heart J
    Journal
    British Heart Journal
    URI
    http://hdl.handle.net/10541/99595
    PubMed ID
    8260285
    Type
    Article
    Language
    en
    ISSN
    0007-0769
    Collections
    All Christie Publications

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