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The use of intraosseous needles for injection of contrast media for computed tomographic angiography of the thoracic aorta.


ABSTRACT: The objective of this study is to evaluate the safety and quality of computed tomographic angiography of the thoracic aorta (CTA-TA) exams performed using intraosseous needle intravenous access (ION-IVA) for contrast media injection (CMI).All CTA-TA exams at the study institution performed between 1/1/2013 and 8/14/2015 were reviewed retrospectively to identify those exams which had been performed using ION-IVA (ION-exams). ION-exams were then analyzed to determine aortic attenuation and contrast-to-noise ratio (CNR). Linear regression was used to determine how injection rate and other variables affected image quality for ION-exams. Patient electronic medical records were reviewed to identify any adverse events related to CTA-TA or ION-IVA.17 (?0.2%) of 7401 exams were ION-exams. ION-exam CMI rates varied between 2.5 and 4 ml/s. Mean attenuation was 312 HU (SD 88 HU) and mean CNR was 25 (SD 9.9). A strong positive linear association between attenuation and injection rate was found. No immediate or delayed complications related to the ION-exams, or intraosseous needle use in general, occurred.For CTA-TA, ION-IVA appears to be a safe and effective route for CMI at rates up to 4 ml/s.

SUBMITTER: Winkler M 

PROVIDER: S-EPMC5784769 | biostudies-literature | 2017 May - Jun

REPOSITORIES: biostudies-literature

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The use of intraosseous needles for injection of contrast media for computed tomographic angiography of the thoracic aorta.

Winkler Michael M   Talley Cynthia C   Woodward Connor C   Kingsbury Alexander A   Appiah Frank F   Elbelasi Hossam H   Landwher Kevin K   Li Xingzhe X   Fleischmann Dominik D  

Journal of cardiovascular computed tomography 20170316 3


<h4>Background</h4>The objective of this study is to evaluate the safety and quality of computed tomographic angiography of the thoracic aorta (CTA-TA) exams performed using intraosseous needle intravenous access (ION-IVA) for contrast media injection (CMI).<h4>Methods</h4>All CTA-TA exams at the study institution performed between 1/1/2013 and 8/14/2015 were reviewed retrospectively to identify those exams which had been performed using ION-IVA (ION-exams). ION-exams were then analyzed to deter  ...[more]

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