PMID: 9049492Nov 1, 1996

Evaluation of pulse oximetry in anaesthetised foals using multiple combinations of transducer type and transducer attachment site

Equine Veterinary Journal
M K ChaffinG K Carter

Abstract

A commercially available pulse oximeter was evaluated in anaesthetised foals to determine its accuracy for estimating arterial haemoglobin saturation (SaO2). Five different transducer/transducer attachment site (TTAS) combinations were evaluated; 1-3) a fingertip transmission transducer attached to the foal's ear, lip and tongue, 4) an adhesive transmission transducer positioned on the foal's ear and 5) a forehead reflectance transducer placed on the ventral aspect of the foal's tail-base. Eight normal, Quarter Horse foals (age 5-10 days) were studied while under general anaesthesia. Alterations in arterial carbon dioxide tension (PaCO2) were produced by changing the level of ventilation. At each level of ventilation, alterations of arterial haemoglobin saturation (SaO2) were produced by varying the inspired fraction of oxygen (FIO2). At each level of ventilation and each level of FIO2, arterial blood samples were obtained for blood gas analysis while pulse oximeter readings were recorded simultaneously for each TTAS combination. Arterial blood oxygen saturation (SaO2) was calculated from arterial blood gas values and the equine blood oxygen dissociation curve. Pulse oximeter readings from each TTAS combination were compared wi...Continue Reading

References

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Citations

Apr 6, 2004·The Veterinary Clinics of North America. Equine Practice·K Gary Magdesian
Jan 21, 2000·The Veterinary Journal·C H UystepruystP Lekeux
Sep 23, 2003·Veterinary Anaesthesia and Analgesia·Nora S MatthewsJohn C Allen
May 16, 2003·The Veterinary Clinics of North America. Equine Practice·Pamela A Wilkins
Aug 24, 2017·Equine Veterinary Journal·J K ReinersS B R Kästner
May 31, 2003·Journal of Veterinary Internal Medicine·Kevin T T CorleyEric K Birks
Oct 27, 2017·Veterinary Medicine and Science·Tamara L Grubb, David E Anderson

Related Concepts

Anesthesia Procedures
Blood Gas Analysis
Carbon Dioxide
Eryhem
Oximetry, Pulse
Dioxygen
Expiratory Airflow
Transducers
Unconscious State
Log-Linear Models

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