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Cardiovascular Surgery

  • Kazuo Tanemoto, M.D., Ph.D. Professor

Emphasis and Outline for Education

The department of cardiovascular surgery deals with education, research and clinical treatment in the field of the heart and vascular systems. Special knowledge and therapeutic skills in these areas are useful for all who want to be clinicians. The techniques of vascular surgery, in particular, could be a basic skill for all fields in which surgery is performed.

For clinical learning in cardiovascular surgery, it is mandatory to have familiarity with anatomy and pathophysiology. It is also important to have basic skills in diagnosis and treatment. The ability to make diagnoses with chest X-p, CT, MRI and cardiovascular angiography is particularly important in our clinical settings.

1) Block lectures

In the third-year lectures, several themes such as vascular trauma, perioperative management, postoperative complications, organ transplantation and artificial organs are included. In the fourth year, cardiac surgery, vascular surgery are taught.

2) Clinical bedside learning

During bedside learning, two students deal with one patient and are instructed by the doctor in charge to undertake history taking, checking physical signs, differential diagnosis, clinical examination planning and treatment strategy.

During bedside learning, small group teaching is carried out.

The themes of small group teaching are as follows:

 1.Postoperative management of the respiratory and circulatory systems

 2.Diagnosis and treatment of severe state respiratory and circulatory failure

 3.Differential diagnosis of congenital heart diseases

 4.Diagnosis and surgical indications of valvular heart disease

 5.Surgical indications of ischemic heart disease

 6.Pathophysiology and treatment of aortic aneurysm

 7.Chronic occlusive disease of the peripheral arteries

 8.Pathophysiology and treatment of acute occlusion of the peripheral arteries

9. Pathophysiology and diagnosis of venous thrombosis

10. Pathophysiology and treatment of varicose veins in the lower limbs

11. Autologous blood transfusion

Assessment of the student is made according to the following points:

1. Activity during bedside learning

2. Basic knowledge about anatomy and physiology

3. Understanding of block lectures

4. Self learning

Self-assessment concerning bedside teaching

Students do not have enough knowledge of diagnosis through the 'image diagnosis' teaching methods we employ, nor do they have a sufficient understanding of pathophysiology or the ability to express themselves when giving presentations. In the operative theatre, one special staff member will instruct students, showing them the operative field, because it is necessary to give them a better understanding of surgery.

Main Areas and Themes of Study

In our division, research activity is conducted in the field of vascular surgery and cardiac surgery.

The research themes in vascular surgery are as follows:

1. Research and development of a microvascular prosthesis

2. Clinical research and development of treatment of acute and chronic arterial occlusive disease.

3. Treatment of thoracic aortic aneurysm.

4. Intravascular stent graft treatment in thoracic aortic aneurysm.

The research themes in cardiac surgery are as follows:

1. Experimental study of intraoperative myocardial protection.

2. Clinical study of the implications of the Harmonic Scalpel in cardiac surgery.

3. Circulatory assist devices in treatment of end-stage heart failure.

4. Gene therapy in cardiac surgery.

5. Research on nitric oxide and myocardial energy metabolism.