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Vascular and Endovascular Surgery Director：BANNO, Hiroshi (Professor)

Vascular specialists hold a full-time position and have high expertise

We perform diagnosis and treatment of vascular diseases (e.g. arteries, veins, lymph vessels), aneurysm, and peripheral arterial diseases (surgical treatment, stent graft, and endovascular treatment).


Medical Care System

We perform diagnosis of and provide medical care for all vascular diseases. The outpatient clinic days are Monday, Wednesday and Friday, and treatment days are Monday, Tuesday and Thursday; however, we also accept emergency patients every day.

Target Diseases

All vascular diseases. Arterial disease includes aortic aneurysm (thoracic, thoracoabdominal, and abdominal), aortic dissection, arteriosclerosis obliterans, Buerger's disease, and renal artery stenosis; venous disease includes varicose veins of the lower extremities and deep vein thrombosis; lymphatic disease includes lymphedema.

Strong Fields

For thoracic and abdominal aortic aneurysm, we have performed stent graft implantations as well as surgery. For patients with peripheral arterial disease, we perform bypass surgery and endovascular treatment suitable for the clinical conditions; for patients in whom revascularization is unfeasible, we perform angiogenic therapy. We also conduct laser therapy for varicosis.

Clinical Results

In 2022, we treated 70 patients with abdominal (iliac) aortic aneurysm (stent graft implantation: 35 patients), performed stent graft implantation for thoracic aortic aneurysm in 43 patients, PAD in 69 patients (of whom 23 patients received bypass surgery), and treated varices in 14 patients.

Specialized Outpatient Clinic

The expertise of vascular surgery specialists is extremely high because not all hospitals have the department of vascular surgery: 4 cardiovascular surgery specialists; 3 vascular specialists; and, 4 stent graft supervising doctors hold full-time positions in our department.

Advanced Medicine and Research

As for clinical research, we are investigating the mechanism of spinal cord injury after thoracic endovascular aortic repair and its prevention strategy, and the diagnosis and treatment strategy for type 2 endoleak after endovascular aortic repair. As for basic research, we are analyzing blood flow modification models for aortic aneurysm suppression and exploring novel vascular disease therapies for atherosclerotic lesions.