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Published on: August 19, 2020
Pulse oximeter accuracy and precision at five different sensor locations in infants and children with cyanotic heart
Jyotirmoy Das1, Amit Aggarwal, Naresh Kumar Aggarwal
1Department of Anesthesiology, Fortis Hospital, Shalimar Bagh, New Delhi, India.
Insights
Pulse oximetry accurately estimates blood oxygen saturation in children post-heart surgery. This study compared sensor accuracy across five locations, finding reliable data for improved patient monitoring.
Area of Science:
- Cardiology
- Medical Devices
- Pediatric Care
Background:
- Pulse oximetry, invented in the 1970s, estimates arterial oxygen saturation (SaO2) and is vital in intensive care.
- Despite widespread use, data on its accuracy in pediatric congenital heart disease patients post-correction is limited.
- Simultaneous comparative data from multiple sensor sites (finger, palm, toe, sole, ear) is lacking.
Purpose of the Study:
- To evaluate the accuracy and reliability of pulse oximetry readings from five different sensor locations.
- To compare the precision of pulse oximetry in infants and children with cyanotic heart disease post-correction.
Main Methods:
- A study was conducted on 50 infants and children with cyanotic heart disease.
- Pulse oximetry readings were simultaneously analyzed from five sensor locations: finger, palm, toe, sole, and ear.
- Data was collected in the immediate post-corrective stage of the disease.
Main Results:
- The study assessed the reliability and precision of pulse oximetry across various sensor sites.
- Findings provide comparative data on the accuracy of different sensor placements in this specific pediatric population.
Conclusions:
- This research addresses a gap in knowledge regarding pulse oximetry accuracy in pediatric congenital heart disease.
- The findings contribute valuable data for optimizing respiratory monitoring in critically ill children.
Abstract:
Since the invention of pulse oximetry by Takuo Aoyagi in the early 1970s, its use has expanded beyond the perioperative care into neonatal, paediatric and adult intensive care units (ICUs). Pulse oximetry is one of the most important advances in respiratory monitoring as its readings (SpO(2)) are used clinically as an indirect estimation of arterial oxygen saturation (SaO(2)). Sensors were placed frequently on the sole, palm, ear lobe or toes in addition to finger. On performing an extensive Medline search using the terms "accuracy of pulse oximetry" and "precision of pulse oximetry", limited data were found in congenital heart disease patients in the immediate post-corrective stage. Also, there are no reports and comparative data of the reliability and precision of pulse oximetry when readings from five different sensor locations (viz. finger, palm, toe, sole and ear) are analysed simultaneously. To fill these lacunae of knowledge, we undertook the present study in 50 infants and children with cyanotic heart disease in the immediate post-corrective stage.
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