1. Flow-mediated vasodilation is augmented in a corkscrew collateral artery compared with that in a native artery in patients with thromboangiitis obliterans (Buerger disease) 
Yuichi Fujii, MD, Noritaka Fujimura, MD, Shinsuke Mikami, MD, Tatsuya Maruhashi, MD, Yasuki Kihara, MD, PhD, Kazuaki Chayama, MD, PhD, Kensuke Noma, MD, PhD, Yukihito Higashi, MD, PhD 
Journal of Vascular Surgery 
Volume 54, Issue 6, Pages (December 2011)
DOI: /j.jvs
Copyright © 2011 Society for Vascular Surgery Terms and Conditions

2. Fig 1
Digital subtraction angiography (left) and ultrasonography (right) show the native tibial artery of 2.2 mm in diameter and corkscrew collaterals of 2.1 mm in diameter.
Journal of Vascular Surgery  , DOI: ( /j.jvs )
Copyright © 2011 Society for Vascular Surgery Terms and Conditions

3. Fig 2
Representative flow-mediated vasodilation (FMD) and hyperemic flow in the tibial artery in normal control subject and in the native tibial artery or corkscrew collateral artery at the site of the tibial lesion in patients with Buerger disease.
Journal of Vascular Surgery  , DOI: ( /j.jvs )
Copyright © 2011 Society for Vascular Surgery Terms and Conditions

4. Fig 3
Bar graphs show the ratio of flow-mediated vasodilation (FMD) to hyperemic flow in control arteries in healthy subjects and in native arteries and corkscrew arteries in patients with Buerger disease.
Journal of Vascular Surgery  , DOI: ( /j.jvs )
Copyright © 2011 Society for Vascular Surgery Terms and Conditions

5. Fig 4
Bar graphs show the ratio of flow-mediated vasodilation (FMD) to hyperemic flow in native arteries and corkscrew arteries in the same patients.
Journal of Vascular Surgery  , DOI: ( /j.jvs )
Copyright © 2011 Society for Vascular Surgery Terms and Conditions