Oxygen Reserve Index: Utility as Early Warning for Desaturation in Morbidly Obese Patients

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

80 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-09-15

Study Completion Date

2018-07-20

Brief Summary

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The Oxygen Reserve Index (ORi) is a reference that could help clinicians with their assessments of normoxic and hyperoxic states by scaling the measured absorption information between 0.00 and 1.00. An ORi of 0.00 corresponds to partial pressure of oxygen (PaO2) values of 100 mmHg and below and an ORi of 1.00 corresponds to PaO2 values of 200 mmHg and above. This is clinical study designed to evaluate the clinical utility of the Oxygen Reserve Index (ORI) as an early warning for arterial hemoglobin desaturation during the induction of general anesthesia and tracheal intubation in obese patients undergoing elective surgical procedures.

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Detailed Description

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Conditions

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Morbid Obesity Surgery

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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Rainbow sensor

Group Type EXPERIMENTAL

Rainbow sensor

Intervention Type DEVICE

Masimo Radical-7 and Root System with ORi parameter in all subjects are enrolled in the test group and receive an Rainbow sensor during their elective surgery.

Interventions

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Rainbow sensor

Masimo Radical-7 and Root System with ORi parameter in all subjects are enrolled in the test group and receive an Rainbow sensor during their elective surgery.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Age greater than 18 years
* BMI\>30, \<40 m/kg2
* Control group only: BMI \>18.5 m/kg2, \<25 m/kg2
* Scheduled for an elective surgical procedure requiring general anesthesia and endotracheal intubation