DiscoverResusX:PodcastPalpation versus Ultrasound-Guided Dynamic Needle Tip Positioning Technique for Radial Artery Cannulation
Palpation versus Ultrasound-Guided Dynamic Needle Tip Positioning Technique for Radial Artery Cannulation

Palpation versus Ultrasound-Guided Dynamic Needle Tip Positioning Technique for Radial Artery Cannulation

Update: 2025-07-16
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When seconds count and precision matters—like during surgery—getting accurate, continuous blood pressure readings is critical. That’s where radial artery cannulation comes in. But while traditional methods rely on “feeling the pulse,” they’re not always reliable, especially in tough cases. Enter a game-changing technique: ultrasound-guided Dynamic Needle Tip Positioning (DNTP).


In this episode, we dive into a powerful new study that compares old-school palpation to DNTP and the results are stunning: an 88.5% first-pass success rate, fewer attempts, less time, and reduced equipment use with the ultrasound approach. We explore why this matters for patient safety, comfort, and clinical efficiency—and how this could redefine arterial cannulation in the OR.


Could this be the new gold standard for arterial access? Tune in and find out.


Read the full study: "Palpation versus Ultrasound-Guided Dynamic Needle Tip Positioning Technique for Radial Artery Cannulation" by Sujan Dhakal et al. in Annals of Cardiac Anaesthesia.

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Palpation versus Ultrasound-Guided Dynamic Needle Tip Positioning Technique for Radial Artery Cannulation

Palpation versus Ultrasound-Guided Dynamic Needle Tip Positioning Technique for Radial Artery Cannulation

Haney Mallemat