Basic Medical College of Zhengzhou University 1 article published in JoVE Medicine Patch Angioplasty in the Rat Aorta or Inferior Vena Cava Hualong Bai1,2,3,4,5, Xin Li6, Takuya Hashimoto1,2,5, Haidi Hu1,2,5, Trenton R. Foster1,2,5, Jesse J. Hanisch1,2,5, Jeans M. Santana1,2,5, Alan Dardik1,2,5 1Department of Surgery, Yale University, 2Vascular Biology and Therapeutics Program, Yale University, 3Department of Vascular Surgery, First Affiliated Hospital of Zhengzhou University, 4Basic Medical College of Zhengzhou University, 5VA Connecticut Healthcare Systems, West Haven, CT, 6Department of Vascular Surgery, Xiangya Second Hospital of Central South University, Changsha, China We have established a model of pericardial patch angioplasty that can be used in either small-diameter veins or arteries. This model can be used to compare venous and arterial neointimal hyperplasia formation.