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Aortic valve replacement is a procedure in which a patient's failing aortic valve is replaced with an artificial heart valve. The Aortic valve can be affected by a range of diseases; the valve can either become leaky (aortic insufficiency / regurgitation) or partially blocked (aorticstenosis).
Percutaneous heart valve replacement is a relatively new interventional procedure involving the insertion of an artificial heart valve using a catheter, rather than through open heart surgery. The portal of entry is typically either via the femoral vein or artery, or directly through the myocardium via the apical region of the heart. An expandable prosthetic heart valve is delivered and deployed at the site of the diseased native valve. The percutaneous heart valve replacement procedure usually takes less time to perform and is less invasive than open heart surgery.
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Scope & Importance
Aortic valve replacement is a procedure in which a patient's failing aortic valve is replaced with an artificial heart valve. The aortic valve can be affected by a range of diseases; the valve can either become leaky or partially blocked. Current aortic valve replacement approaches include open heart surgery, minimally invasive cardiac surgery (MICS) and minimally invasive, catheter-based aortic valve replacement.
A catheter-based approach may eliminate the need for open heart surgery in select groups of patients. As of October 2012, in the USA there is an FDA-approved percutaneously implantable aortic valve system for high surgical risk and inoperable patients with symptomatic aortic stenosis with other catheter-based devices on trial use. Tissue heart valves are usually made from animal tissue, either animal heart valve tissue or animal pericardial tissue. The tissue is treated to prevent rejection and calcification.
There are alternatives to animal tissue valves. In some cases a homograft - a human aortic valve- can be implanted. Homograft valves are donated by patients and recovered after the patient dies. The durability of homograft valves is comparable to porcine and bovine tissue valves. Another procedure for aortic valve replacement is the Ross procedure. In a Ross procedure, the aortic valve is removed and replaced with the patient's own pulmonary valve. A pulmonary homograft (pulmonary valve taken from a cadaver) is then used to replace the patient's own pulmonary valve.
The aortic valve may need to be replaced for two reasons:
1. narrowing of the valve (aortic stenosis)
2. leaking of the valve (aortic regurgitation)
The valve may be replaced by the following devices/prosthetics:
Biological valve replacement:
Biological valves (also called tissue or bioprosthetic valves) are made of tissue, but they may have some artificial parts to provide additional support and allow the valve to be sewn in place. Around 80% of valves are replaced with this type.
Traditional Aortic Valve Surgery:
During traditional aortic valve surgery, a surgeon makes a 6- to 8-inch incision down the center of the sternum, and part of or the entire sternum (breastbone) is divided to provide direct access to your heart. The surgeon then repairs or replaces your abnormal heart valve or valves.
Minimally Invasive Aortic Valve Surgery:
Minimally invasive aortic valve surgery is a type of aortic valve repair surgery performed through smaller, 2- to 4-inch incisions without opening your whole chest. This is typically done with a “J” incision and leaves your chest stable. Minimally invasive surgery reduces blood loss, trauma, and length of hospital stay. It is also easier to recovery from this type of surgery.
The World Heart Federation (WHF) unites 200 members spanning 100 countries in the fight against cardiovascular disease Global Data research predicts the worldwide market for CMD devices will reach $1.2 billion by 2017. The global cardiovascular device industry is growing rapidly and is said that a growth of $15billion is made from 2010-2015 as per BCC research.Products included in this market are electrocardiograph monitoring equipment, which is set to see 4% growth by 2017 to be worth over $410 million.
6th Cardiology Conference
November 30-December 02, 2015 San Antonio, USA
July 14-15, 2016 Brisbane, Australia
Cardio Vascular Medicine Conference
April 4-6, 2016 Philadelphia, USA
June 06-07, 2016 London, UK
7th World Cardiothoracic Conference
March 29-30, 2016 Atlanta, USA
Ischemic Heart Diseases Conference
May 12-13, 2016 Chicago, USA
July 11-12, 2016 Philadelphia, USA
Hypertension & Treatment Conference
August 04-06, 2016 Toronto, Canada
10th Interventional Cardiology Conference
October 20-22, 2016 Rome, Italy
11th Cardiac Conference
October 6-8, 2016 Vancouver, Canada
12th World Cardiology Conference
October 10-12, 2016 Manchester, UK
13th European Cardiology Congress
October 24-26, 2016 Valencia, Spain
Cardiovascular Imaging Conference
November 10-12, 2016 Istanbul, Turkey
December 8-10, 2016 San Antonio, USA
BIT`s 6th International Congress of Cardiology (ICC-2014)
2015 American Society of Hypertension (ASH) Annual Scientific Meeting
CI Meeting 2015 - Innovations in Cardiovascular Interventions
ACC.15 - The American College of Cardiology 64th Annual Scientific Session & Expo
7th Annual Stroke and Cerebrovascular Disease Review 2015
Emergencies in Primary Care 2015
14th Annual Emergency Radiology Symposium 2014
18th International Conference on Cardiovascular System and Heart Health
International Conference for Innovations in Cardiovascular Systems (ICI2015)
15th Biennial Meeting of the International Society for Applied Cardiovascular Biology
World Congress of Cardiology & Cardiovascular Health
List of Associations
1. American Heart Association
2. British Cardiac Patients Association
3. Arquivos Brasileiros de Cardiologia
4. British Society of Echocardiography
5. American Society of Echocardiography
6. Canadian Society of Echocardiography
7. Canadian Cardiovascular Society
8. Austin Area Echo Society
9. The Iranian Society of Echocardiography
10. British Heart Foundation
11. Children’s Heart Foundation
12. The German Society of Cardiologists
13. Association for European Paediatric Cardiology
14. German Cardiac Society
15. European Association of Cardiothoracic Anaesthesiologists (EACTA)
16. European Society for Cardio-Vascular Surgery
17. Heart Failure Society of America
18. American Association of Heart Failure Nurses (AAHFN)
19. Association for European Paediatric Cardiology
20. European Heart Rhythm Association
List of Companies
1. Accellent Inc., USA
2. Admedes Schuessler GmbH, Germany
3. AorTech International plc, USA (Multinational)
4. Arbor Surgical Technologies, Inc. USA
5. ATS Medical, Inc. USA
6. AutoTissue GmbH, Germany
7. Boston Scientific Corporation, USA
8. CarboMedics Inc. Italy (Belgium, Brazil, Canada, China, Dominican Republic, France, Germany, Italy, and the United States)
9. Cardiac Dimensions Inc. USA , Germany, Australia
10. Cardiosolutions, Inc.,USA
12. Vasomedical, Inc.
15. Cardiac Dimensions
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This page was last updated on 05th Apr, 2016
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