Discover How Disposable Pulse Oximetry Sensors May Impact Patient Care

Shayna Bryant

When a patient enters a hospital, the goal is to improve their health. But sometimes a patient acquires an infection during their stay. Sometimes healthcare facilities become aware of the threat and take measures to help reduce the chances that a patient gets an infection while in their care.

One way hospitals help decrease the risk of healthcare/hospital-acquired infections (HAIs) is by strictly following protocols on cleaning reusable devices. They also can stock disposable, single-patient use devices instead of, or in addition to, reusable devices. Maintaining an inventory of disposable pulse oximetry sensors is helpful as well. This article provides information about HAIs and how the use of disposable sensors may help reduce the risk.

 

Hospital-acquired/healthcare-associated infections (HAIs)

HAIs are common, costly, deadly, and largely preventable.1,2 According to the Centers for Disease Control and Prevention, every day one in 31 hospital patients acquires an HAI.2

By implementing appropriate patient safety protocols HAIs can be reduced by up to 70 percent.1

One of the top ten goals set by The Joint Commission in the 2019 National Patient Safety Goals for hospitals is to decrease the risk of HAIs.3   

It is important for hospitals to consider the impact reusable pulse oximetry sensors can have on HAIs. Reusable sensors could potentially introduce Methicillin-resistant staphylococcus aureus (MRSA) and clostridium difficile infection (CDI) to patients. A major teaching university initiated a pilot study to better understand the HAI risk associated with reusable sensors — and its financial and clinical impact. A key result showed that even following a cleaning protocol, 25 percent of the Nellcor™ pulse oximetry DS100A sensors that were swabbed still harbored MRSA.5

Choosing the right sensor for the patient

Is it time to restock Nellcor™ pulse oximetry sensors in your facility? Think about the variety of patients for whom you are purchasing and consider how different sensors could impact their care. Here’s a tip. Remember the four Cs when deciding on the type of sensors you choose to purchase. They include patient:

  • Condition
  • Comfort
  • Compliance
  • Cost

Naturally, you need to consider cost and the impact on your facility’s budget. Cleaning reusable sensors can affect clinician workflow and can be impacted by necessary cleaning agents, such as convenient disinfectant wipes.

 

Patient Condition. For patients who are experiencing low saturation, or are at risk for respiratory compromise, consider stocking accuracy-tested disposable sensors. Based on the Nellcor™ pulse oximetry oxygen saturation accuracy specification grid, Nellcor™ pulse oximetry reusable sensors have not been tested for low saturation accuracy, but disposable Nellcor™ pulse oximetry with OxiMax™ technology sensors have been tested under low saturation conditions and offer ±3, accuracy, depending on the disposable sensor selected.6

Related: See how you need accuracy the most when risk is the highest.

 

Patient comfort and compliance. Consider patients requiring longer-term pulse oximetry monitoring when evaluating reusable versus disposable pulse oximetry sensors. Disposable adhesive sensors offer a very natural fit like a second skin. And improved patient comfort typically leads to improved patient compliance.

The skin integrity of every patient is unique, and therefore choosing the right sensor for each patient is critical. With some sensors, like the Nellcor™ pulse oximetry sensor DS100A, you can use a finger clip style sensor on the same site on which you should use a disposable sensor. The DS100A can be used for up to four hours with routine checks for skin integrity. 10 Depending on the patient, it may be necessary to change the sensor site more frequently because of compromised skin integrity. When the DS100A sensor is used, it’s important to follow the cleaning instructions in the product directions for use to help prevent HAIs. 

Similarly, the Nellcor™ flexible SpO2 sensor (FLEXMAX and FLEXMAX-P) directions for use advise to visually monitor the sensor site at least every six hours. This helps ensure skin integrity and confirm no pressure injury is developing. The directions for use indicate that for cleaning the sensor between patients, use both distilled water and 70 percent isopropyl alcohol for a full 17 minutes .11

Click here for a quick reference cleaning guide. 

How to help reduce HAIs in your facility

To help decrease the risk:

  • Consider the use of disposable pulse oximetry sensors instead of reusable sensors
  • Use the four Cs to help you purchase sensor inventory that permits a set of sensors to accommodate patient needs
  • Routinely check the patient’s skin integrity — regardless of the sensor type — at the sensor site following sensor manufacturer instructions
  • If reusable pulse oximetry sensors are being used, follow your facility’s cleaning and disinfecting protocol and sensor manufacturer cleaning instructions

 

 

References: 
1. Hospital on Nationally Reported Metrics. Castlight Health, Inc. The LeapFrog Group website. Hospital Acquired Infections. https://www.leapfroggroup.org/news-events/troubling-new-report-hospital-infections-comes-while-centers-medicare-medicaid-services. Published June 20, 2018.
2. Centers for Disease Control and Prevention. HAI data. CDC website. https://www.cdc.gov/hai/data/index.html. Reviewed 10/5/18. Accessed 6/1/19.
3. The Joint Commission. National Patient Safety Goals Effective January 2019. Hospital Accreditation Program. 2019.
5. Based on Medtronic internal report #09-PM-6537. Reusable Pulse Oximetry Sensors: a vector for infection. 2009.
6. Based on Medtronic internal report #10091796 Rev B 01/2013. Nellcor™ Oxygen Saturation Accuracy Specification Grid. 2012.
7. Nesseler N, Fre´nel JV, Launey Y, Morcet J, Mallédant Y, Seguin P. Pulse oximetry and high-dose vasopressors: a comparison between forehead reflectance and finger transmission sensors. Intens Care Med (2012) 38:1718–1722.
8. Agashe GS, Coakley J, Mannheimer PD. Forehead pulse oximetry: Headband use helps alleviate false low readings likely related to venous pulsation artifact. Anesthesiology. 2006;105(6):1111–1116<
9. Bebout DE, Mannheimer PD. Effects of cold-induced peripheral vasoconstriction on pulse amplitude at various pulse oximeter sensor sites. Anesthesiology. 2002;96(Sup 2):A558.
10. Nellcor™ Adult SpO2 Sensor, Reusable [instructions for use]. Medtronic; 2011.
11. Nellcor™ Flexible SpO2 Sensor, Reusable [instructions for use]. Medtronic; 2015.

FLEXMAX and FLEXMAX-P are licensed under:
BLUEPOINT MEDICAL GMBH & CO. KG, An Der Trave 15, Selmsdorf, DE, 23923.

DS100A is licensed under: Covidien LLC, 15 Hampshire Street, Mansfield, MA, US, 02048

©2020 Medtronic. All rights reserved. Medtronic, Medtronic logo and Further, Together are trademarks of Medtronic. All other brands are trademarks of a Medtronic company. CA-PMR-0403-E Rev. 03/20 [19-PM-0105]

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