Transcutaneous oximetry measurements of the leg: comparing different measuring equipment and establishing values in healty young adults

Trinks, Tobias P., Blake, Denise F., Young, Derelle A., Thistlethwaite, Ken, and Vangaveti, Venkat N. (2017) Transcutaneous oximetry measurements of the leg: comparing different measuring equipment and establishing values in healty young adults. Diving and Hyperbaric Medicine, 47 (2). pp. 82-87.

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Abstract

Introduction: Transcutaneous oximetry measurement (TCOM) is a non-invasive method of determining oxygen tension at the skin level using heated electrodes.

Aim: To compare TCOM values generated by different machines and to establish lower limb TCOM values in a cohort of healthy individuals younger than 40 years of age.

Method: Sixteen healthy, non-smoking volunteers aged 18 to 39 years were recruited. TCOM was obtained at six locations on the lower leg and foot using three different Radiometer machines. Measurements were taken with subjects lying supine, breathing air.

Results: Except for one sensor site, there were no statistical differences in measurements obtained by the different TCOM machines. There was no statistical difference in measurements comparing left and right legs. Room air TCOM values for the different lower leg sites were (mean (SD) in mmHg): lateral leg 61.5 (9.2); lateral ankle 61.1 (9.7); medial ankle59.1 (10.8); foot, first and second toe 63.4 (10.6); foot, fifth toe 59.9 (13.2) and plantar foot 74.1 (8.8). The overall mean TCOM value for the lower limb was 61 (10.8; 95% confidence intervals 60.05–62.0) mmHg.

Conclusion: Lower-leg TCOM measurements using different Radiometer TCOM machines were comparable. Hypoxia has been defined as lower-leg TCOM values of less than 40 mmHg in non-diabetic patients and this is supported by our measurements. The majority (96.9%) of the lower leg TCOM values in healthy young adults are above the hypoxic threshold.

Item ID: 49563
Item Type: Article (Research - C1)
ISSN: 1833-3516
Keywords: patient monitoring, standards, wounds, hyperbaric oxygen therapy
Funders: Fink Engineering
Date Deposited: 20 Jul 2017 01:15
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1199 Other Medical and Health Sciences > 119999 Medical and Health Sciences not elsewhere classified @ 100%
SEO Codes: 92 HEALTH > 9299 Other Health > 929999 Health not elsewhere classified @ 100%
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