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Technology & Innovation

CARVAR ~ Innovative approach for Aortic Valve Repair

Technology & Innovation
Comprehensive Aortic Root & Valve Repair is a new innovative surgical technique that repairs aortic root and aortic valve. The concept of CARVAR technique was first established in 1992 by Dr.Meong-Geun Song (Konkuk University Medical Center, South Korea). The first clinical trial on human was conducted in December, 1997.

CARVAR was granted the official permit from Korea Government, and is currently working for permission from JAPAN, EUROPE and USA. Since last October, Dr. Song’s team in Konkuk University Medical Center has performed the CARVAR procedure successfully over 100 times during a six month period.

The problem of Bioprosthetic valve

Why does poor durability occur in the Bioprosthetic valve? Possibly no healing between the fabric and biologic tissue or continuous deterioration and weakening of suture site. After implantation it may begin to deteriorate.

The problem of Mechanical valve

All mechanical valves have gradients (minimal to moderate at rest, moderate to severe with exercise). Persistent left ventricular hypertrophy is an insidious and lethal combination. All mechanical valves need anticoagulation and have noise.

The merits of CARVAR technique

The CARVAR procedure offers anatomical and physiological repair and is universally applicable for almost all kinds of Aortic Valve diseases. Technically easy and safe and also minimizes aortic root functional impairment. It obviates anticoagulation and improves all around quality of life.

Surgical indication of CARVAR

Just about all types of aortic valve disease can be repaired. These include isolated Aortic Regurgitation, Annuloaortic Ectasia, Ascending Aortic Aneurysm, Aortic Dissection and Valvular Aortic Stenosis.

Dr. Song’s team at Konkuk University Medical Center is composed of preeminent Cardiac Specialists. They have had a dramatically high success rate in all types of surgical heart procedures including heart transplants. They also have a world class surgical technique; the CARVAR. You may contact Dr. Song at

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