He is mainly interested in beating heart bypass procedure, coronary bypass conduits including radial artery, congenital heart surgery especially surgical approach in cyanotic heart disease, new technical approach and technical development of heart and vascular surgery, minimally invasive surgery, etc. Many surgical techniques have been developed by Dr. Dogan. Dogan technique, Demircin-Dogan Technique is some of these techniques. On the other side, Dogan Solution, is used for coronary artery bypass conduits, is developed by Dr. Dogan. Three Dimensional Anaglyph imaging technique research and educational technique in cardiovascular surgery has been developed and recently published by Dr. Dogan et al. Dr. Many of scientific papers and investigations include Dogans' techniques have been awarded in national and international congress and meeting. He has over international and national 200 research papers and presentations. Some of the publications are indicated below. He is a reviewer in international and national journals now. Some of these are chest, Int. J Cardiol, Indian Journal of Pediatric Radiology, Saudi Med J, J National Med Association, Turkish Cardiol Journal.