Does air plethysmography correlate with duplex scanning in patients with chronic venous insufficiency? Paul S. van Bemmelen, MD, PhD, Mark A. Mattos,

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Presentation transcript:

Does air plethysmography correlate with duplex scanning in patients with chronic venous insufficiency? Paul S. van Bemmelen, MD, PhD, Mark A. Mattos, MD, Kim J. Hodgson, MD, Lynne D. Barkmeier, MD, Don E. Ramsey, MD, William E. Faught, MD, David S. Sumner, MD Journal of Vascular Surgery Volume 18, Issue 5, Pages 796-807 (November 1993) DOI: 10.1016/0741-5214(93)90334-I Copyright © 1993 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 1 EF plotted versus VFI. Triangles indicate limbs with ulcers; closed circles indicate limbs with dermatitis; and open circles indicate limbs with varicose veins. Compartments are numbered (I to VI) according to increasing severity of physiologic abnormality. Rectangle (N) in lower left corner indicates reported range of normal values. Journal of Vascular Surgery 1993 18, 796-807DOI: (10.1016/0741-5214(93)90334-I) Copyright © 1993 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 2 Relationship between diameters of conduit veins and presence of ulcers, dermatitis, or varicose veins. Journal of Vascular Surgery 1993 18, 796-807DOI: (10.1016/0741-5214(93)90334-I) Copyright © 1993 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 3 Relationship between diameters of reservoir veins in calf and presence of ulcers, dermatitis, or varicose veins. Journal of Vascular Surgery 1993 18, 796-807DOI: (10.1016/0741-5214(93)90334-I) Copyright © 1993 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 4 Scattergram demonstrates correlation between VV measured with APG and diameter of incompetent lower leg veins (reservoir veins) measured by duplex scanning (r = 0.75). Journal of Vascular Surgery 1993 18, 796-807DOI: (10.1016/0741-5214(93)90334-I) Copyright © 1993 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 5 Scattergram demonstrates correlation between VFI measured with APG and diameter of incompetent veins (conduit veins) at knee level measured by duplex scanning (r = 0.39). Journal of Vascular Surgery 1993 18, 796-807DOI: (10.1016/0741-5214(93)90334-I) Copyright © 1993 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 6 Scattergram demonstrates correlation between VFI and diameter of incompetent lower leg veins (reservoir veins) (r = 0.55). Journal of Vascular Surgery 1993 18, 796-807DOI: (10.1016/0741-5214(93)90334-I) Copyright © 1993 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 7 Scattergram demonstrates relationship between VV and VFI (r = 0.61). Journal of Vascular Surgery 1993 18, 796-807DOI: (10.1016/0741-5214(93)90334-I) Copyright © 1993 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 8 Scattergram demonstrates relationship between EF (%) and deep venous obstruction detected by duplex scanning. Journal of Vascular Surgery 1993 18, 796-807DOI: (10.1016/0741-5214(93)90334-I) Copyright © 1993 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

Fig. 9 A, Resting popliteal artery flow-velocity signal in normal subject in supine position with elevation of leg. Note absence of antegrade diastolic flow and large retrograde flow component (Peak systolic velocity = 72 cm/sec and peak reverse flow velocity = − 37 cm/sec). B, Same artery immediately after assuming erect position, without weight-bearing. Note increase in antegrade diastolic flow. In absence of venous valvular reflux, increased arterial volume-flow is related to rate of filling of lower leg veins (Peak systolic velocity = 67 cm/sec and peak diastolic velocity = 32 cm/sec). Journal of Vascular Surgery 1993 18, 796-807DOI: (10.1016/0741-5214(93)90334-I) Copyright © 1993 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions