CardiologyDr. Ajay KaulCardiac Surgery

Chairman, Cardiac Sciences, Fortis Hospital, Noida

Series overview · 8 articles

Transforming Cardiac Care

December 1, 2024

Cardiac surgery has quietly stopped looking like cardiac surgery. Dr. Ajay Kaul, Chairman of Cardiac Sciences at Fortis Hospital, Noida, has performed more than 20,000 cardiac procedures over a career spanning decades, and opened a Jivo Healthcare masterclass for doctors across Africa by making one point before anything else: there is no heart operation left that needs a large cut down the middle of the chest. This guide draws on that session, covering how valve disease, coronary artery disease, aneurysms, heart failure and congenital heart conditions are actually being treated today.

The Shift Away From the Sternotomy

For decades, cardiac surgery meant a full sternotomy: a long incision splitting the breastbone to expose the heart directly. Today, the same range of operations, valve replacement, coronary bypass, aneurysm repair, can be performed through one or two small incisions of an inch or two, the same scale of access used in laparoscopic abdominal surgery. The goal of this shift, in Dr. Kaul's words, was always threefold: make the procedure less invasive, keep it safe, and preserve the same long-term results as open surgery. The recovery difference is immediate and measurable: patients are typically extubated within six hours of surgery, spend a single day in intensive care, and go home on the fourth day, compared with a far longer recovery after a conventional sternotomy.

Valve Disease, Coronary Artery Disease and Aneurysms

The same minimally invasive approach now covers the three most common reasons a patient ends up in a cardiac operating theatre. Valve replacement and repair can be done through a small incision instead of splitting the chest, including in patients needing two valves replaced in a single operation. Coronary bypass surgery, and the harvesting of the leg vein used as a graft, can now be done endoscopically through a small puncture rather than a full-length incision down the leg. And aortic aneurysms, arteries that have ballooned to the point where they can rupture without warning, can often be treated by placing a stent through a small puncture in the leg rather than opening the chest or abdomen at all, with some patients going home within 24 hours.

When the Heart Itself Is Failing

Not every cardiac condition can be fixed with a smaller incision. When medication can no longer support a failing heart, an artificial heart device (an LVAD) or a heart transplant becomes the real conversation, and the choice between them, and the reality of long transplant waiting lists, is one every referring doctor should understand before a patient reaches a crisis point.

Congenital and Pulmonary Vascular Conditions

Two conditions came up directly in this session's discussion: tetralogy of Fallot, a congenital defect that is highly treatable in childhood, and Eisenmenger syndrome, which develops when a treatable heart defect is left unaddressed long enough to damage the lungs irreversibly. The difference between the two outcomes is, in large part, a difference in how early the underlying condition was caught and referred.

Protecting a Healthy Heart

Dr. Kaul closed the session with a practical framework for prevention: some risk factors, genetics, age and sex, cannot be changed; some, like living with chronic stress or in a polluted environment, can be partially managed; and some, principally tobacco use, are entirely within a patient's control. He was equally direct about screening: a cardiac checkup by age 20 if there is a family history of heart disease, by age 40 if there is not, and always before starting any strenuous new exercise programme, since a failing heart frequently gives no warning at all until it stops.

What the Rest of This Series Covers

The articles that follow this guide go deeper into minimally invasive valve and bypass surgery, the endovascular treatment of aortic and carotid aneurysms, the path from heart failure to transplant, how an artificial heart actually works as a bridge to transplant, the outlook for tetralogy of Fallot and Eisenmenger syndrome, and a full breakdown of Dr. Kaul's approach to preventing heart disease in everyday practice.

This guide is based on a live Jivo Masterclass: Dr. Ajay Kaul taught doctors across Africa on December 1, 2024.

FROM THE LIVE Q&A

MO

Moderator

Most chest abnormalities are often confused with cardiac disease. What is the major difference between the two?

AK

Dr. Ajay Kaul

The chest includes the lungs, the esophagus, the heart, and the blood vessels. What we are discussing today covers only diseases of the heart and blood vessels, not lung disease, muscular disease, disease of the bones or spine, or even the breast, even though these are also considered part of the chest.

See all 11 questions from this masterclass →

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Frequently Asked Questions

What innovative treatments are available for patients with Eisenmenger syndrome?

Eisenmenger syndrome develops when an operable heart condition is left untreated for long enough that it damages the lungs, eventually making the lungs too stiff for any treatment to help. At that stage, the only option is a combined heart and lung transplant. It is a very difficult treatment, and the success rate is only around 40 to 50 percent.

What are the different complications of getting an artificial heart (LVAD)?

There are three main complications. First, because the device requires blood thinners, there is a risk of bleeding. Second, there is a risk of infection. Third, an artificial heart is only designed to function for about five to seven years, so it should ideally be converted to a transplant as early as possible rather than treated as a permanent solution, though I have seen patients go 10, 12, even 15 years on the device without a transplant.

Can the same minimally invasive technique be used for a carotid artery aneurysm?

Yes, if the CT angiogram of the carotid artery shows that a stent can be placed, the aneurysm can be treated with an intravascular stent through a single small puncture in the leg, making it a minimally invasive procedure.

Following up on the complications of artificial heart transplantation, what about a further concern he described as 'autonomic surgery' in this context?

Dr. Kaul reiterated the transplant complications he had already covered, then said that there was nothing called autonomic surgery that he was aware of, and that the term appeared to be a translation error. The exchange closed with a request for Dr. Kamba to put the question in writing in the chat so it could be understood correctly.

Are there any techniques available for treating tetralogy of Fallot?

Tetralogy of Fallot is very well treatable, and children who are operated on go on to lead a normal life. I have patients who are now 25 to 30 years old and doing very well. Depending on the exact type of tetralogy, the results are very good.

Does cardiac surgery today always require a large chest incision?

No. Valve replacement, coronary bypass surgery and aneurysm repair can now be performed through one or two small incisions of an inch or two, rather than a full sternotomy.

What are the three goals behind minimally invasive cardiac surgery?

To make the procedure less invasive, keep it as safe as open surgery, and preserve the same long-term results as open surgery.

When does heart failure require a transplant rather than medication?

Once medication can no longer control a patient's heart failure symptoms and no other medical option remains, transplantation, or an artificial heart as a bridge to transplant, becomes the treatment.

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