A clinical evaluation and acceptability study of the innovative SurePulse VS wireless heart rate monitor across the neonatal journey
Jennifer Peterson, Clare Jennings, Ajit Mahaveer
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SurePulse VS facilitates confident decision-making – accurate and reliable heart rate information is displayed in real time to the whole clinical team.
“The SurePulse device has potential to be a significant advancement in the way neonatal patients are monitored in a variety of post-delivery circumstances”
Frontiers in Pediatrics
FrontiersThe heart rate of the baby is critical for guiding the stabilisation process and resuscitation interventions, as is recognised in National and International Guidelines (Aziz). However, all current heart rate assessment approaches have drawbacks as in the critical first few minutes they do not always provide an early enough or sometimes an accurate enough heart rate.
SurePulse VS is wireless which provides significant opportunities for more flexible, evolving delivery room practices whilst monitoring heart rate. In addition to facilitating wireless stabilisation and resuscitation, these opportunities include delayed cord clamping, delivery room cuddles, skin-to-skin care (kangaroo care), early breastfeeds, palliative care, and less invasive approaches to stabilisation.
The touchscreen and data download facility supports and improves patient safety, audit, clinical governance, and training. By facilitating a date/time stamped downloadable record of heart rate information and the sequencing of clinical interventions, SurePulse VS supports the review of delivery room experience.
This also addresses a common problem as the recording of heart rate information and clinical interventions is notoriously inconsistent in the delivery room. The SurePulse VS touchscreen interface makes this easy and routine, and may also help if a retrospective review is needed – for example in a serious incident investigation.
Many babies have a hand-knitted or medical cap put on their heads straight away to prevent heat loss. As the SurePulse VS heart rate sensor is fitted into a very easy-to-fit cap then little process change needs to be made.
Clinical trials conducted at the Nottingham Universities NHS Trust established the thermoprotective equivalence of the SurePulse cap, compared to other commonly used caps.
“The heart rate of the baby is critical for guiding the stabilisation or resuscitation process; however, current monitoring methods do not always provide an early enough or sometimes an accurate enough heart rate which can lead to inappropriate clinical interventions.”
A randomised, simulated study assessing auscultation of heart rate at birth
VOLUME 81, ISSUE 8, P1000-1003, AUGUST 2010
RESUSCITATIONThe SurePulse VS has been designed for seamless integration into your existing delivery room set-up.
The SurePulse VS uses reflective photoplethysmography (PPG) which is a similar technique to a pulse oximeter (transmission PPG), but it utilises green light. The sensor rests on the forehead detecting blood volume changes under the skin on the forehead.
Using green light provides a more accurate and reliable HR assessment than red/infrared light.
Reflectance PPG means that the forehead can be used for HR assessment, and the forehead capillary bed bloodflow is maintained (from the carotid artery) even when the baby’s extremities/limbs may be poorly perfused (Grubb et al 2014).
SurePulse VS provides wireless, accurate and continuous heart rate information (to within 5 beats per minute of ECG) (Henry et al, 2020)
The SurePulse VS provides continuous and accurate heart rate and pulse waveform information (within 5 beats per minute of ECG) (Grubb et al, 2024).
ECG leads can cause skin-stripping and consequent scarring and infection risk (Dawson et al, 2018).
Vernix on a newborn baby can also make it difficult to get appropriate contact with ECG electrodes (and the need to reapply the electrodes is common)
Electrode wires are often inconvenient when managing a newborn baby (for example when a baby is put into a thermoprotective bag).
There have been recent reported cases of Pulseless Electrical Activity (PEA) where the electrical activity of the heart does not result in contraction of the heart muscle, and therefore ECG alone may not always be a reliable indicator of cardiac output (Luong et al 2019). As the PPG pulse waveform (trace) on the SurePulse VS Display screen matches the blood flow across the baby’s forehead, it shows whether or not the heart is actually pumping blood (cardiac output).
The stethoscope is frequently used in the delivery room, and whilst it is very low-cost, it is well documented that stethoscope-assessed heart rates in the delivery room are inaccurate to the extent that incorrect clinical intervention decisions are indicated in up to 1/3 of assessments (Voogdt, 2010).
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The SurePulse VS has been part of extensive clinical evaluations and real-world clinical evaluations resulting in the following peer-reviewed publications.