The goal of this observational study is to investigate several means of measuring intracranial pressure (ICP) non-invasively in patients who had head trauma and received implantation of invasive ICP monitor device. The main questions it aims to answer are: What are the diagnostic efficacies of Transcranial Color-Coded Doppler Ultrasound (TCCD), Optic Nerve Sheath Diameter (ONSD) and Optic Disc Height (ODH) (the 3 non-invasive way of measuring ICP) compared with invasive ICP monitor? Participants will receive simultaneous non-invasive measurements of TCCD, ONSD and ODH along with during the days of invasive ICP monitoring. The data will be compared among the techniques to study the diagnostic efficacy.
Study Type
OBSERVATIONAL
Enrollment
64
Patients receive non-invasive assessments of TCCD using bedside ultrasound.
Patients receive non-invasive assessments of ONSD using bedside ultrasound.
Patients receive non-invasive assessments of ODH using bedside ultrasound.
Patients receive invasive assessments of ICP.
Sensitivity and specificity of TCCD
Sensitivity and specificity of diagnosing intracranial hypertension using TCCD
Time frame: Day 0 (when invasive ICP probe is implanted) to day 10
Sensitivity and specificity of ONSD
Sensitivity and specificity of diagnosing intracranial hypertension using ONSD
Time frame: Day 0 (when invasive ICP probe is implanted) to day 10
Sensitivity and specificity of ODH
Sensitivity and specificity of diagnosing intracranial hypertension using ODH
Time frame: Day 0 (when invasive ICP probe is implanted) to day 10
Pearson correlation coefficient between ultrasound metrics and invasive ICP
Pearson correlation coefficient between metrics from bedside ultrasound and invasive ICP
Time frame: Day 0 (when invasive ICP probe is implanted) to day 10
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