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Evaluation of hyperspectral technology for assessing the presence and severity of peripheral artery disease  Jason A. Chin, BSE, Edward C. Wang, PhD,

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Presentation on theme: "Evaluation of hyperspectral technology for assessing the presence and severity of peripheral artery disease  Jason A. Chin, BSE, Edward C. Wang, PhD,"— Presentation transcript:

1 Evaluation of hyperspectral technology for assessing the presence and severity of peripheral artery disease  Jason A. Chin, BSE, Edward C. Wang, PhD, Melina R. Kibbe, MD  Journal of Vascular Surgery  Volume 54, Issue 6, Pages (December 2011) DOI: /j.jvs Copyright © Terms and Conditions

2 Fig 1 Locations are shown of the angiosomes that were imaged for all patients. The black circles represent the approximate position of the OxyVu targets. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © Terms and Conditions

3 Fig 2 Visual, integrated oxyhemoglobin-deoxyhemoglobin, and deoxyhemoglobin hyperspectral images are shown of the plantar metatarsal angiosome for a (left) foot with no peripheral arterial disease (PAD) and (right) a foot with PAD. The foot with PAD has substantially decreased oxyhemoglobin and deoxyhemoglobin values throughout the angiosome. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © Terms and Conditions

4 Fig 3 Mean hyperspectral technology (HT) deoxyhemoglobin (Deoxy) values are shown with the standard deviation (error bars) for the plantar metatarsal, plantar arch, and plantar heel angiosomes in individuals with monophasic, biphasic, and triphasic dorsalis pedis waveforms. Individuals with monophasic and biphasic waveforms have lower mean deoxyhemoglobin values than those with triphasic waveforms. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © Terms and Conditions

5 Fig 4 Linear regression of plantar arch deoxyhemoglobin values is shown for the ankle-brachial index (ABI) in limbs with peripheral arterial disease. The data show a statistically significant inverse relationship between deoxyhemoglobin and ABI for this angiosome (P = .001). Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © Terms and Conditions

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