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HomeMEDTRONIC plcNellcor Bedside SpO2 Patient Monitoring System Provides Faster Stable Oxygen Saturation Readings Than Masimo Radical-7® Pulse CO-Oximeter®

Nellcor Bedside SpO2 Patient Monitoring System Provides Faster Stable Oxygen Saturation Readings Than Masimo Radical-7® Pulse CO-Oximeter®

February 9, 2021

Nellcor Bedside SpO2 Patient Monitoring System: Results of an independent, prospective observational study comparing the efficacy and reliability of Nellcor Bedside SpO2 Patient Monitoring System and Masimo Radical-7® Pulse CO-Oximeter®, both set at the highest sensitivity (“Neonatal” and “Fast” for Nellcor™ pulse oximetry technology and “Max” for Masimo), with electrocardiography (ECG) monitoring following the delivery of 60 term newborns by Caesarian section was reported today by Medtronic.

Pulse oximetry is a simple, noninvasive bedside test that can accurately detect the percentage of blood saturated with oxygen and measure heart rate.

According to the study, a stable signal was obtained from all 60 newborns with the Nellcor pulse oximeter but from only 55 newborns with the Masimo pulse oximeter. Of the 55 newborns with stable signals from both monitors, the mean time to stable signal with the Nellcor pulse oximeter was 15 seconds compared with 27 seconds with the Masimo pulse oximeter. The average difference of 12 seconds between the monitors was statistically significant (P <0.001).

The results of this prospective observational comparative study were published online in the Journal of Perinatology, the official journal of the Section on Neonatal-Perinatal Medicine of the American Academy of Pediatrics and the Neonatal-Perinatal Association of the United States. The study was conducted at the Rabin Medical Center, Petach Tikvah, Israel, a university-affiliated tertiary care center with approximately 9,000 births annually. The principal investigator of the study is Professor Ruben Bromiker, M.D., Department of Neonatology, Schneider Children’s Medical Center of Israel, Petach Tikvah, Israel and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.

The availability of a pulse oximeter for monitoring oxygenation and heart rate of newborns contributes to decision making during resuscitation and stabilization, and can help physicians minimize the risk of either too low or too high blood oxygen levels and associated morbidity and mortality, the authors state in the discussion section. Both the Nellcor and Masimo pulse oximeters provide relatively quick measurements of oxygen saturation and heart rate in most cases well before the so-called “golden first minute” of resuscitation. The results conclude that Nellcor showed a statistically significant difference in the time needed to deliver a stable signal between devices which could potentially impact the provision of care during neonatal resuscitation.

With respect to heart rate, the study observed there was a difference of ³12 beats per minute (BPM) between the Masimo monitor and the reference standard ECG in 18 of 51 (35%) newborns. In all 18 newborns, the ECG showed a heart rate >100 BPM versus <100 BPM with the Masimo monitor, which may be observed as false bradycardia with the Masimo device. In 16 of the 51 (31%) newborns, the difference in heart rate with the Masimo monitor was ³40 BPM compared with the rate recorded by the comparator ECG. In contrast, the heart rate detected by the Nellcor pulse oximetry monitor correlated closely with that of the ECG, with no recording of false bradycardia and no reading having >40 BPM difference compared with the ECG.

“A newborn’s heart rate is a key component of physician assessment for resuscitation, and helps to identify not only those in need of intervention but also their response to treatment. Those who do not achieve a heart rate of 100 beats per minute by five minutes of life are at an increased risk of death,” said Frank Chan, president, Patient Monitoring, which is reported as part of the Minimally Invasive Therapies Group at Medtronic. “This study demonstrates that physicians can rely on Nellcor pulse oximetry technology to post data quickly, offer consistency, perform well with these patients, and meet the requirements of the neonatal resuscitation program guidelines, which are especially important in the delivery room.”

These findings are important because, per the neonatal resuscitation program (NRP) guidelines, only one minute should be allotted for completing the initial monitoring steps to inform reevaluation and initiation of ventilation.

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Medical Device News Magazine is a division of PTM Healthcare Marketing, Inc. Pauline T. Mayer is the managing editor.

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