MedTrace Logo

Intraoperative Laser Speckle Contrast Imaging of Cerebral Blood Flow

NCT04865718 · Status: RECRUITING · Type: OBSERVATIONAL · Enrollment: 20

Last updated 2023-12-05

No results posted yet for this study

Summary

The purpose of this research study is to evaluate the ability of laser speckle contrast imaging to visualize blood flow in real time during neurosurgery. Real-time blood flow visualization during surgery could help neurosurgeons better understand the consequences of vascular occlusion events during surgery, recognize potential adverse complications, and thus prompt timely intervention to reduce the risk of stroke. The current standard for visualizing cerebral blood flow during surgery is indocyanine green angiography (ICGA), which involves administering a bolus of fluorescent dye intravenously and imaging the wash-in of the dye to determine which vessels are perfused. Unfortunately, ICGA can only be used a few times during a surgery due to the need to inject a fluorescent dye, and provides only an instantaneous view of perfusion rather than a continuous view. Laser speckle contrast imaging does not require any dyes or tissue contact and has the potential to provide complementary information to ICGA. In this study we plant to collect blood flow images with laser speckle contrast imaging and to compare the images with ICGA that is performed as part of routine care during neurovascular surgical procedures such as aneurysm clipping.

Conditions

  • Aneurysm, Brain
  • Arteriovenous Malformation of Brain
  • Neurovascular Disorder

Interventions

DIAGNOSTIC_TEST

ICGA imaging

subjects undergoing intraoperative ICGA imaging

Sponsors & Collaborators

  • University of Texas at Austin

    lead OTHER

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2019-06-27
Primary Completion
2024-12-31
Completion
2024-12-31

Countries

  • United States

Study Locations

More Related Trials

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04865718 on ClinicalTrials.gov