However, little data exists on which probe is best for performing a supra-diaphragmatic cannulation of the subclavian vein” Lahham et al (2016).
Background: Point-of-care ultrasound guidance using a linear probe is well established as a tool to increase safety when performing a supra-diaphragmatic cannulation of the internal jugular central vein. However, little data exists on which probe is best for performing a supra-diaphragmatic cannulation of the subclavian vein.
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Methods: This was a prospective, observational study at a single site emergency department where five different physician sonologists evaluate individual practice preference for visualization of the subclavian vein using a supra-clavicular approach with two different linear probes and one endocavitary probe.
Results: Of 155 patients enrolled, there was no clear preference any of the probes (p = 0.03). After pooling linear probe preference, there was a preference for either linear probe over the alternative endocavitary probe (76.8% vs. 23.1%, p < 0.05).
Conclusion: We observed a preference for a linear probe over an endocavitary probe. Further investigation is necessary to determine which probe is optimal for this application.
Lahham, S., Wilson, S.P., Subeh, M., Butterfield, M., Albakri, A.R., Bashir, R. and Fox, J.C. (2016) Ultrasound guided central venous access: which probe is preferred for viewing the subclavian vein using a supraclavicular approach? The American Journal of Emergency Medicine. June 7th. [epub ahead of print].
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