Key result
Modern pulse oximetry correlates well with invasive monitoring while reflectance methods overcome traditional transmission limitations.
Why the study?
The study was conducted to evaluate the current literature on various methods of pulse oximetry, including their advantages and disadvantages.
What are the advantages, disadvantages, and limitations of various pulse oximetry methods compared to invasive saturation monitoring?
What are the advantages, disadvantages, and limitations of various pulse oximetry methods compared to invasive saturation monitoring?
Reflectance pulse oximetry offers advantages over traditional transmission methods in cases of peripheral hypoperfusion, though invasive monitoring remains necessary in specific conditions like carbon monoxide poisoning or severe anemia.
Answers are grounded in this paper and cite their sources.
May support reflectance oximetry in hypoperfusion; leaves open prospective trials versus invasive standards.
The aim of this review was to evaluate the current literature on various methods of pulse oximetry, their advantages and disadvantages. Modern pulse oximetry methods generally correlate well with invasive saturation monitoring, which makes it possible to be widely used in clinical practice. At the same time, in order to improve the accuracy of saturation measurements, existing limitations of various pulse oximetry methods should be taken into account. The emergence and introduction into clinical practice of reflectance pulse oximetry can largely compensate for the limitations of traditional transmission pulse oximetry regarding peripheral hypoperfusion, low response time, and features of patient's nails. In the event of special situations when pulse oximetry may not be accurate enough (carbon monoxide poisoning, methemoglobinemia, severe anemia, severe tricuspid insufficiency, etc.), a thorough clinical assessment of the patient is recommen ded, as well as invasive saturation monitoring.
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Гаранин et al. (2023) conducted a review in Pulse oximetry monitoring. Pulse oximetry methods vs. Invasive saturation monitoring was evaluated. Modern pulse oximetry methods correlate well with invasive monitoring, while reflectance pulse oximetry can compensate for limitations of traditional transmission methods.
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