An in vitro study to evaluate the utility of the "air test" to infer perineural catheter tip location
Journal of Ultrasound in Medicine, ISSN: 1550-9613, Vol: 32, Issue: 3, Page: 529-533
2013
- 22Citations
- 16Captures
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Metrics Details
- Citations22
- Citation Indexes22
- 22
- CrossRef20
- Captures16
- Readers16
- 16
Article Description
Injection of air under ultrasound guidance via a perineural catheter after insertion ("air test") has been described as a means to infer placement accuracy, yet this test has never been rigorously evaluated. We tested the hypothesis that the air test predicts accurate catheter location greater than chance and determined the test's sensitivity, specificity, and positive and negative predictive values using a porcine-bovine model and blinded expert in ultrasound-guided regional anesthesia. The air test improved the expert clinician's assessment of catheter tip position compared to chance, but there was no difference when compared to direct visualization of the catheter without air injection. © 2013 by the American Institute of Ultrasound in Medicine.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84874619890&origin=inward; http://dx.doi.org/10.7863/jum.2013.32.3.529; http://www.ncbi.nlm.nih.gov/pubmed/23443194; http://doi.wiley.com/10.7863/jum.2013.32.3.529; https://dx.doi.org/10.7863/jum.2013.32.3.529; https://onlinelibrary.wiley.com/doi/abs/10.7863/jum.2013.32.3.529
Wiley
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