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Researchers Found That Use of ORi May Facilitate “Preventive Action” Against Hypoxemia

New Study Investigates the Ability of Masimo ORi™ to Provide Early Warning of Hypoxemia During Endotracheal Intubation in ICU Patients.



Norso Medical Limited partner company, Masimo, announced today the findings of a prospective, blinded observational study published in Annals of Intensive Care in which Dr. Jean-Baptiste Lascarrou and colleagues at the Centre Hospitalier Universitaire in Nantes, France evaluated the ability of Masimo ORi™ to predict mild hypoxemia during endotracheal intubation (ETI) in ICU patients.1 They concluded that the time between decrease in ORi and subsequent decrease in oxygen saturation (SpO2) “may allow preventive action,” and that a higher ORi value during preoxygenation was “independently protective against hypoxemia.”


The company noted that Dr. Jean-Baptiste Lascarrou and colleagues at the Centre Hospitalier Universitaire in Nantes, France evaluated the ability of Masimo ORi to predict mild hypoxemia during endotracheal intubation (ETI) in ICU patients.


The researchers concluded that the median time between the ORi decrease below 0.4 and the SpO2 decrease below 97% during the apneic period was 81 seconds. A higher ORi during preoxygenation was independently associated with a lower risk of mild hypoxemia.


ORi, is a noninvasive and continuous trending index that extends oxygen monitoring on patients on supplemental oxygen. Enabled by the multi-wavelength rainbow Pulse CO-Oximetry platform, ORi is provided alongside oxygen saturation (SpO2) measured by clinically proven Masimo SET pulse oximetry.


The Full Press Release can be read here Business Wire


Norso Medical Limited is official All-Ireland Distributor for all Masimo Products. Norso Medical Ltd, is a local supplier of medical equipment ranging from Patient Monitors, Ultrasound and Pre-Hospital Monitoring strive to bring state of the art products to areas such as Anesthetics, ICU, General Wards, Pre-Hospital Transport and Primary care.


Norso Medical Ltd. is the sole exclusive sales/service agent for:

  • Mindray Patient Monitors, Ultrasound

  • Masimo Co Oximetry including SpHb, Sedline 4Ch EEG and other connected monitoring devices.

  • Monivent® Neo Training

  • Clear Diamond Screen protection

  • ADC Range of Primary care devices