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Our Doctors

The doctors at Dr. Smile Medical Group are a team of exceptional physicians who have come from international hospitals and top-tier medical institutions to join us full-time after stepping out of the traditional medical system. They are dedicated to providing diagnostic and treatment services, conducting medical research, developing clinical technologies, and delivering educational training focused on lower limb vein diseases.

Our team of doctors embraces an international approach to diagnosis and treatment, incorporating advanced techniques. We are committed to offering patients safe, minimally invasive, personalized, cutting-edge, and pleasant healthcare services. Currently, we have expert teams based in Beijing and Shanghai, with over 20 years of clinical experience and tens of thousands of cases treated. Our patients come from dozens of countries and regions worldwide.

Dr. Smile Chang

Vascular surgeon, Chief 

 
Dr. Smile is the founder of the Chinese medical group. Known as an expert in vascular surgery and a leader in the field of venous disease, Dr. Smile has continued to explore and innovate in his specialized field and pursued excellence, and has served as the director of vascular surgery in three public Grade A tertiary hospitals. He always strives to achieve the ultimate in phlebology, and eventually went outside the institution and successfully founded the first medical group in China.

Dr. Victoria Du

Vascular surgeon,Attending

Dr. Victoria Du is the attending physician and Beijing medical director of Dr. Smile Medical Group International Vein Center, Ph.D. in Vascular Surgery, general secretary of the Phlebology Specialty Committee of Chinese Aging Well Association, general secretary of the Global Venous Forum, a Member of the Asian CHIVA Consensus Expert Group, and a Member of the Global CHIVA Certification Program Subject Member Experts Panel. Dr. Victoria Du has published several SCI and other academic papers and is also the compiler of the Chinese version of the authoritative international textbook Rutherford’s Vascular Surgery. She has participated in the writing of many books, such as Endovascular Surgery, Huang Zhiqiang’s Surgery, and Geriatric Cardiovascular Pathology. Dr. Victoria Du has also been invited to speak at many national and international academic conferences.

Dr. Lei Su

Vascular surgeon,Attending

Dr. Lei Su is the attending physician of Dr. Smile Medical Group International Vein Center.  a standing committee member of the Vein Disease Professional Committee of the China Geriatrics Health Association, a member of the Vascular Surgery Branch of the Physician Association, and a committee member of the Vascular Surgery Branch of the China International Exchange and Promotive Association for Medical and Healthcare. Mentored by the renowned vein disease expert Dr. Zhang Qiang, they specialized in minimally invasive vein disease treatment techniques. They have also engaged in learning exchanges with Dr. Franceschi, the inventor of the CHIVA technique, excelling in lower limb venous ultrasound and hemodynamic assessment, and deeply studying the minimally invasive CHIVA treatment for varicose veins. They have been invited multiple times to speak at vascular disease academic conferences and participated as a surgical demonstration doctor in the 2018 and 2019 lower limb varicose vein CHIVA live broadcast and hemodynamics seminars. They served as a keynote speaker at the International Vein Disease Forum in 2019 and 2020. They published a popular science book on common lower limb diseases, “People Age, Legs Age First.” With a particular expertise in lower limb venous ultrasound and hemodynamic assessment and deep research into the minimally invasive CHIVA treatment for varicose veins, they have over 20 years of experience in vascular surgery and more than 8,000 cases of treatment experience, with patients from both domestic and international locations.

Dr. Eason Deng

Vascular surgeon,Attending

 

Dr. Eason Deng is the attending and the medical director of the South China region of Dr. Smile Medical Group International Vein Center. He has a Master of Medicine degree. Dr. Eason Deng is a Member of the Phlebology Specialty Committee of the Chinese Aging Well Association, a Member of the Asian CHIVA Consensus Expert Group, a Member of the Global CHIVA Certification Program Subject Member Experts Panel, a Mentor of Surgeon International College of Venous Disease. Dr. Eason Deng has been invited to speak at many domestic and international academic conferences and congresses. Dr. Eason Deng specializes in diagnosing and treating common diseases of the lower extremity venous system, hemodynamic assessment of the lower extremity venous system, minimally invasive treatment of lower extremity varicose veins, and the hemodynamic-based CHIVA treatment technology for varicose veins.

Dr. Yi Jian Gu

Vascular surgeon,Attending

 

Dr.Yijian Gu is the attending physician of Dr. Smile Medical Group International Vein Center. trained under the renowned vascular surgery expert Dr. Zhang Qiang in minimally invasive treatment techniques for lower limb varicose veins, serves as a mentor at the Sijun International Vein Disease Academy and as a training instructor for the CHIVA treatment centers in the western region. A regular speaker at the International Vein Disease Forum, they have delivered multiple keynote speeches, sharing their research and clinical experience in the hemodynamics treatment of varicose veins. They are a medical editor for the “International Vein Disease Forum” and a member of the expert editorial committee for “Global Advances In Phlebology” and “Venous Update,” publishing the latest medical information and research findings in the field of vein diseases. Actively engaging in academic exchanges and collaborations, they specialize in diagnosing and treating common diseases of the lower limb venous system, including varicose veins, deep vein thrombosis, venous ulcers, and capillary dilation. With a focus on hemodynamic research and popularization of lower limb venous diseases, they are adept at comprehensive ultrasound hemodynamic assessments of the lower limb venous system, including venous reflux and obstructive diseases. Their research into complex lower limb varicose veins allows for a comprehensive analysis and judgment of patients’ conditions. They focus on minimally invasive treatment for lower limb varicose veins and the CHIVA technique based on hemodynamic assessments, having developed and accumulated a wealth of clinical cases in lower limb varicose vein CHIVA surgeries.

Dr. Sheean Su

Vascular surgeon,Fellow

Dr. Sheean Su is a vascular surgeon at Dr. Smile Medical Group International Vein Center, holding a Master’s degree in Vascular Surgery. She was involved in the preparation of the Global Venous Forum 2023 and serves as the medical editor for the WeChat public account “Global Venous Forum.” Dr. Su specializes in diagnosing and treating common diseases of the lower extremity venous system. Her expertise includes the ultrasonic hemodynamic assessment of the lower extremity venous system, minimally invasive treatment of lower extremity varicose veins, and the hemodynamic-based CHIVA treatment techniques for varicose veins.

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