Preferred for ultrasound probe for viewing the subclavian vein

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However, little data exists on which probe is best for performing a supra-diaphragmatic cannulation of the subclavian vein” Lahham et al (2016).

Abstract:

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.

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.

Reference:

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].

DOI: http://dx.doi.org/10.1016/j.ajem.2016.06.013

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