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Published online before print January 15, 2003, 10.1148/radiol.2263011728
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Influence of Percutaneous Transluminal Angioplasty on Transcutaneous Oxygen Pressure in Patients with Peripheral Arterial Occlusive Disease1

Hans-Joachim Wagner, MD, Roland Schmitz, MD, Heiko Alfke, MD and Klaus-Jochen Klose, MD

1 From the Department of Diagnostic Radiology, Philipps University Hospital, Baldingerstrasse, Marburg 35033, Germany (H.J.W., R.S., H.A., K.J.K.); and Department of Radiology, University of Wisconsin, Madison (H.J.W.). Received October 23, 2001; revision requested January 14, 2002; final revision received July 2; accepted July 17. Address correspondence to H.J.W. (e-mail: wagnerh@med.uni-marburg.de).



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  		Figure 1. Transcutaneous oxygen pressure measurement obtained 1 day before intervention. The first portion of the curve was obtained with the patient in the supine position. The second portion was obtained with the patient in the sitting position and shows a physiologic increase in oxygen pressure. During exercise, the level decreases significantly until a zero value is reached when the patient has to stop the treadmill test because of claudication. The curve is typical for a patient with intermittent claudication.

 


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  		Figure 2. Continuous transcutaneous oxygen pressure measurements recorded during intraarterial angiography. Immediately after each contrast material injection, an abrupt pressure decrease is demonstrated and requires several minutes to recover.

 




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