SCCM Resource Library-Brain (Ultrasound) Waves: Optic Nerve Sheath Diameter and Transcranial Doppler for Noninvasive ICP Monitoring

Brain (Ultrasound) Waves: Optic Nerve Sheath Diameter and Transcranial Doppler for Noninvasive ICP Monitoring

Video Transcription

Video Summary

The talk discusses non-invasive monitoring techniques in neurology, specifically in cases where invasive monitoring is not feasible due to various reasons like anticoagulation therapy, coagulopathy, or lack of resources. The focus is on using tools like transcranial Doppler (TCD) and optic nerve sheath diameter measurements through ultrasound to assess intracranial pressure (ICP).  <br /><br />The speaker outlines the methodology for using these tools, emphasizing the value of observing trends over time for detecting high ICP. They highlight transcranial Doppler waveforms and calculating the pulsatility index for resistance to flow in the brain, and discuss a mathematical model to predict ICP using these readings. The optic nerve sheath diameter, typical values, and its relationship with elevated ICPs are also explained, noting the current lack of standardized cutoffs.<br /><br />The conclusion underlines the practicality and cost-effectiveness of these bedside tools in assessing ICP trends, which aid in making informed clinical decisions without direct invasive interventions.

Asset Caption

One-Hour Concurrent Session | Neuromonitoring: Fundamentals to Cutting Edge

Meta Tag

Content Type Presentation

Membership Level Professional

Membership Level Select

Year 2024

Keywords

non-invasive monitoring

intracranial pressure

transcranial Doppler

optic nerve sheath diameter

neurology

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