Use of Near Infrared Spectroscopy to Measure Intracranial ScvO2

University of Virginia20 enrolled

Overview

The purpose of this study is to determine whether analysis of near infrared absorbance signals that occur at different frequencies might provide information about the difference in oxygen saturation between arterial and venous blood.

Study Type

INTERVENTIONAL

Allocation

Purpose

DIAGNOSTIC

Masking

NONE

Enrollment

Conditions

Healthy

Interventions

Use of impedance threshold device during spontaneous ventilationOTHER

Eligibility

Sex: ALLMin age: 18 YearsMax age: 65 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * Adult 18-65 years of age Exclusion Criteria: * Dilated cardiomyopathy * Congestive heart failure * Pulmonary hypertension * Severe aortic stenosis * Flail chest * Chest pain * Shortness of breath

Locations (1)

University of Virginia

Charlottesville, Virginia, United States

Outcomes

Primary Outcomes

Estimated venous oxygen saturation

Oxygen saturation will be calculated from the five minute period of time prior to use of the impedance threshold device (0-4 mins), and then again in the 2 minute period after the impedance threshold device is applied (5-6 mins)

Time frame: From 5 to 6:59 minutes after applying the impedance threshold device

Data from ClinicalTrials.gov

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