The Science Journal of the American Association for Respiratory Care

2001 OPEN FORUM Abstracts

Cost Reduction FollowingConversion to Masimo SET Pulse Oximetry ? Experience in the Neonatal ICU

Tom Noblet, RRT, Neonatal IntensiveCare Unit, St. Vincent Hospital, Indianapolis, Indiana 46240-0970

Introduction ?Recent publications have focused on pulse oximetry technology, specificallychanges in artifact rejection, low perfusion sensitivity and alarm management.However, little information has been presented concerning the financial implicationsof utilizing this new technology. Additionally, Masimo Corporation (Irvine,CA.) has introduced innovations in sensor design and technology that claim toincrease the durability and longevity for sensors. We evaluated these changesin sensor performance and the cost associated with using Masimo oximetry inour 39 bed level III Neonatal ICU (NICU).

Methods ? All patients admittedto the NICU are monitored with pulse oximetry for the duration of their admission.Criticare 504US oximeters with 573SD sensors had been used in our NICU priorto October 1, 2000. At that time we began a conversion to Masimo SET oximetry,using the Radical oximeter and NeoPt sensors throughout our NICU. We evaluatedthe number of sensors utilized per patient admission for a three month periodof time (post) and compared this to the same three month period of time priorto the conversion (pre). We determined the number of sensors consumed in theNICU and the number of admissions, length of stay (LOS) and average daily censusfor the two time periods. Additionally, we surveyed the staff (RNs, RRTs, andMDs) to determine their impression of the Masimo sensors.

Results ? NICU census andsensor utilization data are summarized in the table below.

# of AdmissionsDaily Census# of Sensors ConsumedSensors per AdmissionSensor Longevity(days)
Criticare sensor21332.75442.64.8
Masimo sensor26538.14001.511.5

Average LOS was calculated; ?pre?= 12.6 days, ?post? = 17.2 days. It was noted that during the ?post? time therewas an increase in the number of patients receiving ECMO in the unit, increasinglength of stay. Average sensor longevity was calculated as LOS / sensors peradmission; Criticare = 4.8 days, Masimo = 11.5 days. When asked to determinethe durability and useful life of the Masimo sensor, 83% of the staff ratedMasimo superior to the previous sensor. 78% of the staff rated Masimo superiorin the ease of acquiring initial oximetry readings. 96% of the staff reportedthat changing to Masimo sensors has resulted in less handling of infants to?fix or adjust? sensors in order to obtain reliable saturation values.

Conclusions ? Conversionto Masimo oximetry has resulted in a 58% reduction in sensor consumption inour NICU. Masimo sensors lasted 11.5 days, on average, which is approximately2.4 times as long as the Criticare sensor. In our experience Masimo oximetrysensors significantly reduce the cost of oximetry monitoring. We attribute thisto their increased durabilityand ease of acquiring initial oximetry readings.

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