Zhang Zhiyi

[Expert Profile] Zhang Zhiyi, Chief Physician, Professor, Doctoral Supervisor, is an authoritative expert in rheumatology and immunology in China, working in the Department of Rheumatology, The Second Affiliated Hospital of Harbin Medical University. He has long been dedicated to the clinical diagnosis, treatment, and scientific research of difficult vasculitides and rheumatic diseases such as Behcet's disease and polyarteritis nodosa, and is a leading figure in rheumatology in northeastern China.

[Education & Career] Professor Zhang Zhiyi graduated from Harbin Medical University, completed systematic clinical training at the Second Affiliated Hospital of Harbin Medical University, and further studied at famous international rheumatology centers. He has long served as the academic leader of the Rheumatology Department at the Second Affiliated Hospital of HMU, holding academic positions including standing committee member of the Rheumatology Branch of the Chinese Medical Association and Chair of the Rheumatology Branch of the Heilongjiang Medical Association. He has presided over grants from the National Natural Science Foundation of China and major provincial and ministerial projects, making important contributions to rheumatology discipline development in northeastern China.

[Areas of Expertise] Professor Zhang specializes in the diagnosis and treatment of systemic vasculitides such as Behcet's disease, polyarteritis nodosa, and ANCA-associated vasculitis, as well as comprehensive management of various rheumatic diseases including rheumatoid arthritis, systemic lupus erythematosus, and gout. He has extensive experience in multi-system involvement assessment and individualized immunosuppressive and biologic treatment for difficult vasculitides. He excels at managing difficult cases such as "recurrent oral ulcers with vascular lesions" and "fever of unknown origin," helping numerous vasculitis patients receive clear diagnoses and control their conditions.

[Academic Achievements & Industry Contributions] Professor Zhang has led a series of clinical studies on systemic vasculitis and rheumatic diseases, systematically summarizing the clinical features and diagnosis/treatment experiences of patients in northeastern China, with findings published in authoritative domestic and international journals. He has participated in the development of Chinese vasculitis and rheumatology diagnosis and treatment guidelines, actively promoted standardized diagnosis and treatment of difficult rheumatic diseases, and led the construction of regional rheumatology specialist collaboration networks, organizing grassroots training and difficult case consultations, significantly improving the overall rheumatology diagnosis and treatment level in northeastern China.

[Clinical Practice & Outstanding Contributions] For decades on the clinical front lines, Professor Zhang has treated tens of thousands of patients with various rheumatic diseases, with patient coverage extending across Heilongjiang Province and neighboring regions. He is serious, responsible, meticulous, and patient with patients, having provided clear diagnoses and developed standardized treatment plans for numerous vasculitis patients who were previously misdiagnosed over long periods. He has repeatedly organized grassroots rheumatology diagnosis and treatment training and free clinics, and is deeply trusted by patients and respected by peers alike. He is a pillar of rheumatology in northeastern China.

[Honors & Reputation] Professor Zhang Zhiyi serves as Director of the Rheumatology Department at the First Affiliated Hospital of Harbin Medical University and Vice Chair of the Rheumatology Branch of the Chinese Medical Association, among other academic positions. He has presided over grants from the National Natural Science Foundation of China and major provincial and ministerial projects, and is an important discipline leader in rheumatology in northeastern China. He has accumulated extensive experience in the diagnosis and treatment of vasculitides such as Behcet's disease and polyarteritis nodosa. He has led epidemiological and standardized diagnosis research on rheumatology in northeastern China, promoted the construction of rheumatology chronic disease management systems, and participated in the development of multiple rheumatology diagnosis and treatment guidelines. For decades on the clinical front lines, he has helped numerous difficult vasculitis patients receive clear diagnoses and standardized treatment, and is deeply trusted by patients and respected by peers alike.