Comparison of Pupilometer and Ultrasound of Optic Nerve Sheath Diameter in Estimating Intracranial Pressure (ICP)
| Status: | Recruiting |
|---|---|
| Conditions: | Neurology, Neurology, Neurology |
| Therapuetic Areas: | Neurology |
| Healthy: | No |
| Age Range: | 18 - Any |
| Updated: | 8/31/2018 |
| Start Date: | May 11, 2017 |
| End Date: | May 15, 2019 |
| Contact: | Ronak Raval, MD |
| Email: | rraval@llu.edu |
| Phone: | 9095584000 |
Comparative Analysis of Pupilometer and Ultrasound Assessment of Optic Nerve Sheath Diameter in Estimating Intracranial Pressure (ICP)
The purpose of this investigator-initiated study is to compare the use of pupilometer and
ultrasound assessment of optic nerve sheath diameter in predicting the ICP and to see if
there is a value that could be used to indicate elevated ICP with either modality as these
numbers are inconsistent throughout the literature. Patients that have either an external
ventricular drain (EVD) or bolt placed will be enrolled in the study. After the EVD and bolt
are placed the patient will undergo pupilometer examination (standard of care) followed by
ultrasound assessment of the optic nerve sheath diameter (ONSD). The three values will be
recorded. The same patient may have multiple readings performed if there is a change in ICP
either spontaneously or due to intervention.
ultrasound assessment of optic nerve sheath diameter in predicting the ICP and to see if
there is a value that could be used to indicate elevated ICP with either modality as these
numbers are inconsistent throughout the literature. Patients that have either an external
ventricular drain (EVD) or bolt placed will be enrolled in the study. After the EVD and bolt
are placed the patient will undergo pupilometer examination (standard of care) followed by
ultrasound assessment of the optic nerve sheath diameter (ONSD). The three values will be
recorded. The same patient may have multiple readings performed if there is a change in ICP
either spontaneously or due to intervention.
Inclusion Criteria:
- Age greater than or equal to 18 years old
- Intracranial pathology requiring either EVD or bolt placement for ICP measurement
Exclusion Criteria:
- Known disorder of lens or orbit including but not limited to glaucoma, cataract,
blindness, lens implants.
- Patients unable to close eyelids as this would increase risk of corneal abrasion from
ultrasound probe.
We found this trial at
1
site
11234 Anderson St
Loma Linda, California 92354
Loma Linda, California 92354
(909) 558-4000
Phone: 909-558-4000
Loma Linda University Medical Center An outgrowth of the original Sanitarium on the hill in...
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