Transcranial Doppler Using Wearable Ultrasound Patch

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

36 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-09-27

Study Completion Date

2024-04-08

Brief Summary

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The main objective of this research is to measure the Doppler signal by the ultrasonic patch. Blood flow measurement is critical for vasospasm, stroke, and embolism monitoring on patients in the ICU or understanding the neurovascular coupling on different subjects. Currently, A conventional transcranial Doppler (TCD) probe is widely used for these applications. A headset design must be applied and fixed on the participants to obtain stable blood flow spectra. However, the TCD headset is operator dependent. The operator needs to be a trained expert and hold the ultrasound probe to get accurate blood flow velocity information. The stretchable and wearable non-invasive ultrasonic patch can not only free the operator's hands but can also provide long-term continuous monitoring, which is not possible by using the current operator-dependent ultrasound machine. The device can be conformal to the skin and attached to the skin surface.

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Detailed Description

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Conditions

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Medical Device Complication Brain Injuries Brain Diseases Stroke Vasospasm

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Blood flow monitoring in the brain

A group/cohort of 60 participants will be recruited. The group/cohort has a broad range distribution of different physiological parameters, such as age, gender, race, BMI, and etc.

conventional transcranial Doppler probe and wearable ultrasound patch.

Intervention Type DEVICE

Comparison of the measurements from conventional transcranial Doppler probe and wearable ultrasound patch.

Interventions

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conventional transcranial Doppler probe and wearable ultrasound patch.

Comparison of the measurements from conventional transcranial Doppler probe and wearable ultrasound patch.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Able to provide informed consent.
* In relatively good health with no serious medical conditions.

Exclusion Criteria

* Inability to sign the informed consent.
* History of the following conditions: Heart attack, low blood pressure, aortic stenosis/carotid artery stenosis (also known as heart valve disease), glaucoma (a group of eye conditions that damage the optic nerve) or retinopathy (a disease of the eye retina).

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes