Changes in calf muscle deoxygenation after foam sclerotherapy in patients with superficial venous insufficiency Takashi Yamaki, MD, Hisato Konoeda, MD,

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Presentation transcript:

Changes in calf muscle deoxygenation after foam sclerotherapy in patients with superficial venous insufficiency Takashi Yamaki, MD, Hisato Konoeda, MD, Daisuke Fujisawa, MD, Kota Ogino, MD, Atsuyoshi Osada, MD, Atsumori Hamahata, MD, Motohiro Nozaki, MD, Hiroyuki Sakurai, MD Journal of Vascular Surgery Volume 56, Issue 6, Pages 1649-1655 (December 2012) DOI: 10.1016/j.jvs.2012.03.266 Copyright © 2012 Society for Vascular Surgery Terms and Conditions

Fig 1 The near-infrared spectroscopy examination assesses various deoxygenated hemoglobin (HHb) variables. Calf venous blood-filling index (FI-HHb) was calculated by dividing 90% of the venous blood volume (HHbV90) by the time taken to fill 90% of the venous volume (HHbFT90). After (a) resting, the patient was asked to (b) stand and perform (c) one tiptoe movement with weight-bearing on both legs, which produced an ejected volume (HHbEV), and then to return to the initial position, the changes in HHb being observed. The calf venous ejection index (EI-HHb) was calculated as HHbEI = HHbEV/HHbV. After a new plateau had been reached, the patient performed (d) 10 tiptoe movements, allowing venous expulsion (HHbE) and subsequent retention (HHbR), and then returned to the (e) resting position. The venous retention index (RI-HHb) was determined as HHbRI = HHbR/HHbE. Journal of Vascular Surgery 2012 56, 1649-1655DOI: (10.1016/j.jvs.2012.03.266) Copyright © 2012 Society for Vascular Surgery Terms and Conditions

Fig 2 Changes in the near-infrared spectroscopy-derived deoxygenated hemoglobin (HHb) parameters are shown before and after 1% polidocanol foam (POL-F) sclerotherapy. A, Near-infrared spectroscopy demonstrated significant reduction in the level of the calf venous blood-filling index (FI; P = .039). B, There was no significant difference in the level of the calf venous ejection index (EI) before and after foam sclerotherapy (P = .250). C, There was a significant reduction in the level of the venous retention index (RI) after foam sclerotherapy (P < .0001). Journal of Vascular Surgery 2012 56, 1649-1655DOI: (10.1016/j.jvs.2012.03.266) Copyright © 2012 Society for Vascular Surgery Terms and Conditions

Fig 3 Near-infrared spectroscopy-derived parameters of deoxygenated hemoglobin (HHb) are shown before and after 3% polidocanol foam (POL-F) sclerotherapy. A, Near-infrared spectroscopy demonstrated significant reduction in the level of calf venous blood-filling index (FI; P = .0001). B, There was no significant difference in the level of the calf venous ejection index (EI) before and after foam sclerotherapy (P = .084). C, There was a significant reduction in the level of venous retention index (RI) after sclerotherapy (P = .008). Journal of Vascular Surgery 2012 56, 1649-1655DOI: (10.1016/j.jvs.2012.03.266) Copyright © 2012 Society for Vascular Surgery Terms and Conditions