Comparison of new continuous measurements of ambulatory venous pressure (AVP) with conventional tiptoe exercise ambulatory AVP in relation to the CEAP.

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Presentation transcript:

Comparison of new continuous measurements of ambulatory venous pressure (AVP) with conventional tiptoe exercise ambulatory AVP in relation to the CEAP clinical classification of chronic venous disease Ron K.G. Eifell, MRCS, Hamdy Y. Ashour, FRCS, Tim A. Lees, FRCS, MD Journal of Vascular Surgery Volume 44, Issue 4, Pages 794-802 (October 2006) DOI: 10.1016/j.jvs.2006.06.007 Copyright © 2006 The Society for Vascular Surgery Terms and Conditions

Fig 1 The 20-gauge cannula in situ in the great saphenous vein anterior to the medial malleolus. The transducer is fixed at the level of the cannula tip with a Velcro strap. Journal of Vascular Surgery 2006 44, 794-802DOI: (10.1016/j.jvs.2006.06.007) Copyright © 2006 The Society for Vascular Surgery Terms and Conditions

Fig 2 The continuous ambulatory venous pressure monitoring data logger (black bag) and syringe driver (blue bag) fitted to a patient. It allows full mobility during continuous pressure measurement. Journal of Vascular Surgery 2006 44, 794-802DOI: (10.1016/j.jvs.2006.06.007) Copyright © 2006 The Society for Vascular Surgery Terms and Conditions

Fig 3 Box and whisker plots of ambulatory venous pressure at the 10th tiptoe exercise (AVP10) in different CEAP clinical groups. Boxes represent the 95% confidence interval limits. Journal of Vascular Surgery 2006 44, 794-802DOI: (10.1016/j.jvs.2006.06.007) Copyright © 2006 The Society for Vascular Surgery Terms and Conditions

Fig 4 Box and whisker plots showing 95% confidence intervals of percent fall (%Fall) in ambulatory venous pressure (AVP) in different CEAP clinical groups. Boxes represent the 95% confidence interval limits. Journal of Vascular Surgery 2006 44, 794-802DOI: (10.1016/j.jvs.2006.06.007) Copyright © 2006 The Society for Vascular Surgery Terms and Conditions

Fig 5 Box and whisker plots showing 95% confidence intervals of the refilling time to 90% of the resting standing value (RT90) in different CEAP clinical groups. Boxes represent the 95% confidence interval limits. Journal of Vascular Surgery 2006 44, 794-802DOI: (10.1016/j.jvs.2006.06.007) Copyright © 2006 The Society for Vascular Surgery Terms and Conditions

Fig 6 Mean walking pressure (MWP) at increasing speeds from 0.5 mph to 3 mph in different CEAP clinical groups. P values are shown between clinical groups at each walking speed. Journal of Vascular Surgery 2006 44, 794-802DOI: (10.1016/j.jvs.2006.06.007) Copyright © 2006 The Society for Vascular Surgery Terms and Conditions

Fig 7 Box and whisker plots of mean walking pressure (MWP) at 2 mph in different CEAP clinical groups. Boxes represent the 95% confidence interval limits. Journal of Vascular Surgery 2006 44, 794-802DOI: (10.1016/j.jvs.2006.06.007) Copyright © 2006 The Society for Vascular Surgery Terms and Conditions

Fig 8 Impact of anatomical reflux groups on mean walking pressure (MWP) in different clinical groups. Boxes represent the 95% confidence interval limits. Journal of Vascular Surgery 2006 44, 794-802DOI: (10.1016/j.jvs.2006.06.007) Copyright © 2006 The Society for Vascular Surgery Terms and Conditions

Fig 9 Mean walking pressure and CEAP clinical groups. Journal of Vascular Surgery 2006 44, 794-802DOI: (10.1016/j.jvs.2006.06.007) Copyright © 2006 The Society for Vascular Surgery Terms and Conditions