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Variability in Transcranial Doppler Technique in Neuro-Critical Care Patients

Hackensack Meridian Health logo

Hackensack Meridian Health

Status

Unknown

Conditions

Subarachnoid Hemorrhage, Aneurysmal
Stroke
Cerebral Ischemia
Aneurysmal Subarachnoid Hemorrhage
Vasospasm, Cerebral
Cerebral Aneurysm

Treatments

Diagnostic Test: Transcranial Doppler

Study type

Observational

Funder types

Other

Identifiers

NCT04583163
2019-0945

Details and patient eligibility

About

This study aims to determine the inter- and intra-variability of Transcranial Doppler (TCD) ultrasound in neuro-critical care patients who are planned for consecutive daily TCD evaluations.

Full description

Patients enrolled in the study are recruited from the pool of neuro-critical care patients admitted to the surgical intensive care unit (SICU). When the patients are admitted in the surgical ICU, the study staff will determine eligibility based on the protocol inclusion criteria. Due to the nature of the disease, there is a high likelihood that patients are either unconscious, of limited mental capacity and/or have been intubated therefore when appropriate the legally authorized representative will be utilized to obtain research consent.

To meet study inclusion, transcranial Doppler (TCD) testing will be ordered as part of the standard of care for these patients. The test will not be ordered solely for research purposes. There are no known side effects from the non-invasive measurement of cerebral blood flow using ultrasound

Three different TCD technicians will do triplicate readings on 3 consecutive days on up to 12 patients already undergoing TCD as ordered by their treating team. Standard of care on specific neuro critical care patients (such as cerebral aneurysms) is to undergo daily TCD monitoring to assess for possible vasospasm. Patients will be in the supine position while measurements are obtained. The probe will be placed in the preauricular region of the temporal window

Enrollment

12 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Adults 18 years of age or older
  2. Current hospitalization for a neurologic issue and admitted to the surgical intensive care unit.
  3. Undergoing daily transcranial Doppler imaging No
  4. English speaking patients and/or legally authorized representative (LAR)

Exclusion criteria

  1. Less than 18 years of age
  2. Patient is unable to obtain consent and no LAR is identified to provide consent
  3. Non-English speaking patient or LAR
  4. Unable to perform the study due to lack of availability of TCD technologists

Trial design

12 participants in 1 patient group

Neuro-critical Care Patients
Description:
Up to 12 subjects will be recruited over a 1 year period. Patients enrolled in the study are recruited from the pool of neuro-critical care patients admitted to the surgical intensive care unit (SICU). To meet study inclusion, transcranial Doppler (TCD) testing will be ordered as part of the standard of care for these patients. The test will not be ordered solely for research purposes. There are no known side effects from the non-invasive measurement of cerebral blood flow using ultrasound. Three different TCD technicians will perform triplicate readings on 3 consecutive days on up to 12 patients already undergoing TCD as ordered by their treating team. Standard of care on specific neuro critical care patients (such as cerebral aneurysms) is to undergo daily TCD monitoring to assess for possible vasospasm. Patients will be in the supine position while measurements are obtained. The probe will be placed in the preauricular region of the temporal window.
Treatment:
Diagnostic Test: Transcranial Doppler

Trial contacts and locations

1

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Central trial contact

Melissa Blatt, MSN; Tania Zielonka, CCRP

Data sourced from clinicaltrials.gov

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