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  • Early Valve...

Early Valve replacement heart surgery beneficial in people with aortic stenosis

Written By : Dr. Prem Aggarwal |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2022-06-10T20:30:20+05:30  |  Updated On 14 Jun 2022 3:36 PM IST
Early Valve replacement heart surgery beneficial in people with aortic stenosis
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Valve replacement heart surgery should be performed earlier than conventionally thought for people with aortic stenosis-according to new research from the University of East Anglia.

The condition is one of the most common and serious valve disease problems, caused by a narrowing of the aortic valve opening.

Once patients develop symptoms such as breathlessness, chest pains or blackouts then guidelines recommend replacing the narrowed valve. But many patients with aortic stenosis do not have symptoms even when they have severe narrowing of the valve and are thus not eligible for valve replacement.

New research published today shows that these patients would benefit by undergoing a valve replacement-before they suffer irreversible heart muscle damage.

Lead researcher Prof Vassilios Vassiliou, from UEA's Norwich Medical School, said: "The heart has four valves, which allow the blood to flow in one direction efficiently. With increasing age, one of the valves, the aortic valve, becomes increasingly narrowed or 'stenosed'.

"A lot of patients with severe aortic stenosis do not have symptoms and therefore are not eligible for valve replacement according to the current guidelines.

"For these patients without symptoms, the guidelines suggest a 'watchful waiting' approach and intervention is recommended only when they show symptoms or develop pump failure. "We wanted to know if it would be better to perform surgery and replace the valve sooner rather than later."

The research team carried out a systematic review and meta-analysis, comparing early intervention versus conservative management in patients with asymptomatic severe aortic stenosis.

They then analysed data from all the available studies which involved a total of 3798 patients, out of which 302 were included in the two largest randomised controlled trials and 3496 in the observational studies. Prof Vassiliou said: "We found that early intervention, before patients have symptoms, is associated with lower risk of death and hospitalisation for heart failure.

"By the time the patients develop symptoms, there has likely been irreversible damage to the muscle of the heart. This in turn may preclude a worse prognosis and adverse outcomes even after successful intervention.

"The timing of aortic valve intervention is crucial.

"We hope that our findings may herald the beginning of a change in the management of aortic stenosis patients, enabling the intervention to take place more commonly whilst the patients are asymptomatic.

Reference:

tsamasian, V., grafton-clarke, C., ramos, a., asimakopoulos, G., garg, p., prasad, s., Ring, l., et al. Management of asymptomatic severe aortic stenosis: A systematic review and meta-analysis. Open Heart https://doi.org/10.17863/CAM.83283


Open Heartsurgeryheart surgeryvalve replacementchest painaortic valveheart diseaseheart musclescardiovascular disorder
Source : Open Heart
Dr. Prem Aggarwal
Dr. Prem Aggarwal

Dr Prem Aggarwal, (MD Medicine, DNB Cardiology) is a Cardiologist by profession and also the Co-founder and Chairman of Medical. He focuses on news and perspectives about cardiology, and medicine related developments at Medical Dialogues. He can be reached out at drprem@medicaldialogues.in

Dr. Kamal Kant Kohli
Dr. Kamal Kant Kohli

Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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