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A new method for the assessment of venous insufficiency in primary varicose veins using near-infrared spectroscopy  Yutaka Hosoi, MD, Hiroshi Yasuhara,

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Presentation on theme: "A new method for the assessment of venous insufficiency in primary varicose veins using near-infrared spectroscopy  Yutaka Hosoi, MD, Hiroshi Yasuhara,"— Presentation transcript:

1 A new method for the assessment of venous insufficiency in primary varicose veins using near-infrared spectroscopy  Yutaka Hosoi, MD, Hiroshi Yasuhara, MD, Hiroshi Shigematsu, MD, Haruo Aramoto, MD, Takashi Komiyama, MD, Tetsuichiro Muto, MD  Journal of Vascular Surgery  Volume 26, Issue 1, Pages (July 1997) DOI: /S (97) Copyright © 1997 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

2 Fig. 1 Patterns of serial changes in OxyHb and DeoHb. A difference in waveform was apparent between the normal and varicose groups. Journal of Vascular Surgery  , 53-60DOI: ( /S (97) ) Copyright © 1997 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

3 Fig. 2 NIRS measurements were normalized by application of a tourniquet at thigh level in patients with superficial venous insufficiency alone. Journal of Vascular Surgery  , 53-60DOI: ( /S (97) ) Copyright © 1997 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

4 Fig. 3 Definition of ambulatory venous retention index (AVRI).
Journal of Vascular Surgery  , 53-60DOI: ( /S (97) ) Copyright © 1997 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

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