The Effect of Heat on Blood & Oxygen Flow Readings Part 2

Status Completed

Clinical Trial Summary

This is the second part of a research study in order to determine if using a specialized pulse oximetry probe with external heat pack will help obtain oxygen saturation (SaO2) and heart rate (HR) during monitoring for patients with peripheral vascular disease (PVD), vasoconstriction, and hypothermic extremities. The inability to obtain accurate SaO2 and pulse readings can lead to misdiagnosis, incorrect treatment, or procedures to be canceled. SaO2 and pulse readings are important to maintain patient stability during diagnostic testing, surgical procedures and monitoring while in critical care areas. Changes in SaO2 and pulse are important to monitor in order to be able to compensate for any decrease in patient oxygen saturations during hemodynamic monitoring.

The primary aim of this study is to determine if using a specialized pulse oximetry probe with external heat pack will improve oxygenation readings in order to obtain SaO2 and pulse readings in patients with PVD, vasoconstriction, and hypothermic extremities as compared to readings obtained from an arterial blood gas.

The hypothesis is using a specialized pulse oximetry probe with external heat pack will help obtain more accurate pulse oximetry readings consistent with values obtained with an arterial blood gas.

Clinical Trial Description

150 patients will be approached in order to ensure 110 patients will be enrolled in this study total. 30 patients will have peripheral vascular disease (PVD), vasoconstriction, or hypothermic extremities and 80 patients with no blood flow issues will be enrolled. The patients will serve as their own controls. Each patient will have a specialized pulse oximetry probe with external heat pack added to their extremity while measuring pulse oximetry. These SaO2 readings will be compared to SaO2 readings obtained from an arterial blood gas obtained during the course of the study. ;

Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Diagnostic

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01992939
Study type	Interventional
Source	VA Pittsburgh Healthcare System
Contact
Status	Completed
Phase	N/A
Start date	November 2013
Completion date	December 2015

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

The Effect of Heat on Blood and Oxygen Flow Readings Part 2

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms