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 53-60 (July 1997) DOI: 10.1016/S0741-5214(97)70147-2 Copyright © 1997 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions
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 1997 26, 53-60DOI: (10.1016/S0741-5214(97)70147-2) Copyright © 1997 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions
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 1997 26, 53-60DOI: (10.1016/S0741-5214(97)70147-2) Copyright © 1997 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions
Fig. 3 Definition of ambulatory venous retention index (AVRI). Journal of Vascular Surgery 1997 26, 53-60DOI: (10.1016/S0741-5214(97)70147-2) Copyright © 1997 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions