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A Journal on Angiology

Official Journal of the International Union of Angiology, the International Union of Phlebology and the Central European Vascular Forum
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 0,899

Frequency: Bi-Monthly

ISSN 0392-9590

Online ISSN 1827-1839


International Angiology 2004 June;23(2):114-21


Reproducibility of proximal and distal transcutaneous oxygen pressure measurements during exercise in stage 2 arterial claudication

Bouyé P. 1, Picquet J. 2, Jaquinandi V. 1, Enon B. 2, Leftheriotis G. 1, Saumet J. -L. 1, Abraham P. 1

1 Department of Vascular Studies, University of Angers Hospital, Angers, France
2 Department of Vascular Surgery, University of Angers Hospital, Angers, France

Aim. Although transcutaneous oxygen pressure measurements (tcpO2) are largely used in the investigation of vascular patients, its reproducibility is still debated. Indeed an unpredictable gradient exists between arterial and transcutaneous oxygen pressure. We hypothesised that indices taking into account changes over time and independent of absolute starting values would be more reproducible than other indices.
Methods. Experimental design: comparative test-retest procedure (1 to 13 days between tests). Settings: institutional practice, ambulatory care. Patients and participants: 15 subjects with stage 2 claudication. Interventions: tcpO2 recordings at rest and at exercise during the 2 treadmill tests. Measures: calculation of the Delta-from-rest of oxygen pressure index (limb tcpO2 changes minus chest tcpO2 changes), of the resting — or minimal values attained during exercise — of absolute tcpO2 and of the regional perfusion index (regional perfusion index: ration of limb to chest).
Results. Both absolute tcpO2 and regional perfusion index at rest showed low reproducibility. During exercise the best reproducibility was attained through Delta-from-rest of oxygen pressure index calculation. Equations from the linear regression analysis (test 2 versus test 1) were 0.88×-4.2 (r2=0.82) at the buttock level and 0.82x-3.8 (r2=0.80) at the calf level.
Conclusion. TcpO2 measurement on the calf or buttock during exercise, is a reproducible measurement in patients with vascular claudication, specifically when corrected for exercise-induced systemic pO2 changes trough Delta-from-rest of oxygen pressure calculation.

language: English


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