Peripheral Four-wavelength Near-infrared Spectroscopy Measurement: a Comparison Between EQUANOX and O3 in Cardiac Surgery

Hospices Civils de Lyon20 enrolled

Overview

Near-infrared spectroscopy (NIRS) is a continuous and non-invasive technology that measures regional tissue oxygen saturation (rSO2). Whatever the anatomical site of measurement, a normal value of rSO2 would suggest a good adequacy between oxygen supply and consumption at the regional level. Beside the trend ability of previous 2 or 3-wavelength devices, a new 4-wavelength generation of NIRS monitors which could reliably assess real-time absolute values of rSO2 is now available. The investigators aimed to compare peripheral absolute rSO2 values given by the 4-wavelength EQUANOX device 7600 (Nonin Medical, Plymouth, Mn) and the new O3 device (Masimo, Irvine, CA) during conventional cardiac surgery.

Study Type

OBSERVATIONAL

Enrollment

Conditions

Conventional Cardiac Surgery With Bypass

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Age \>18 years * Scheduled for conventional elective cardiac surgery with cardiopulmonary bypass * Hospitalized in the Teaching University Hospital Louis Pradel (Lyon, France) * Patient agreement Exclusion Criteria: * Age\<18 years * Black skin * Emergencies * Patient refusal

Locations (1)

Hôpital Cardiovasculaire et Pneumologique Louis Pradel, Hospices Civils de Lyon

Outcomes

Primary Outcomes

Peripheral absolute rSO2 values

Peripheral absolute rSO2 values given by the 4-wavelength EQUANOX device 7600 (Nonin Medical, Plymouth, Mn) and the new O3 device (Masimo, Irvine, CA) during conventional cardiac surgery.