What is the difference between TAVI and open heart surgery for aortic valve replacement?
TAVI (Transcatheter Aortic Valve Implantation) and open heart surgery (SAVR — Surgical Aortic Valve Replacement) are both established treatments for aortic stenosis. TAVI replaces the valve through a catheter without opening the chest, while SAVR requires open-chest surgery under cardiopulmonary bypass. The right choice depends on the patient's age, surgical risk, anatomy, and overall health.
S.L. Raheja Hospital in Mumbai offers both TAVI/TAVR and heart valve replacement and repair through its Cardiac Science programme, with treatment decisions made by a multidisciplinary heart team.
Tip: Neither procedure is universally superior. A cardiac team evaluates each patient individually using imaging, risk scores, and clinical assessment before recommending a treatment path.
How does TAVI compare to open heart surgery across key factors?
The table below summarises the principal differences between TAVI and SAVR to help patients and families understand what each procedure involves.
| Factor | TAVI / TAVR | Open Heart Surgery (SAVR) |
|---|---|---|
| Incision | Small catheter entry (usually femoral artery) | Full sternotomy (chest opened) |
| Anaesthesia | General or conscious sedation | General anaesthesia |
| Heart-lung bypass | Not required | Required |
| Hospital stay | Typically shorter | Typically longer |
| Recovery period | Weeks | Several weeks to months |
| Typical patient profile | High or intermediate surgical risk; elderly patients | Low to intermediate surgical risk; younger patients |
| Valve durability data | Long-term data still accumulating | Decades of long-term outcome data available |
Who is a candidate for the TAVI procedure?
Patient selection for TAVI is determined by a multidisciplinary heart team — typically including an interventional cardiologist and a cardiac surgeon — using standardised surgical risk scoring and detailed cardiac imaging.
TAVI is generally considered for patients who:
- Have severe symptomatic aortic stenosis confirmed on echocardiography
- Are at high or intermediate surgical risk (as assessed by validated risk scores such as STS or EuroSCORE)
- Are elderly or have significant comorbidities that increase open-surgery risk
- Have suitable vascular anatomy for catheter access
- Are not suitable candidates for conventional open-heart surgery
Open heart surgery (SAVR) is generally preferred for patients who:
- Are younger with a longer life expectancy and require a durable valve
- Are at low surgical risk with no major comorbidities
- Require simultaneous cardiac procedures (e.g. coronary bypass or other valve repair)
- Have anatomical features that make transcatheter access difficult
Tip: TAVI eligibility is not determined by age alone. A 75-year-old in good health may still be a better candidate for SAVR, while a 65-year-old with multiple comorbidities may benefit more from TAVI.
What are the risks of TAVI compared to open heart surgery?
Both procedures carry procedural risks. Understanding these helps patients make informed decisions alongside their cardiac team.
Risks associated with TAVI include:
- Stroke or transient ischaemic attack (TIA)
- Paravalvular leak (blood leaking around the new valve)
- Need for a permanent pacemaker
- Vascular complications at the catheter access site
- Acute kidney injury
- Valve-in-valve procedures may be needed in the future if the TAVI valve degenerates
Risks associated with open heart surgery (SAVR) include:
- Risks related to cardiopulmonary bypass (bleeding, cognitive effects)
- Wound infection or sternal complications
- Longer anaesthesia exposure
- Higher short-term risk in elderly or frail patients
- Longer intensive care and hospital stay
Warning: Untreated severe aortic stenosis carries a significant risk of heart failure and sudden cardiac death. Do not delay evaluation if you experience chest pain, breathlessness on exertion, or unexplained fainting.
Can you live a long life after aortic valve replacement — TAVI or SAVR?
Both TAVI and SAVR can significantly improve quality of life and survival in patients with severe aortic stenosis. The long-term outlook depends on the patient's overall cardiac health, age, and the presence of other conditions.
- TAVI outcomes: Clinical trials have demonstrated that TAVI produces outcomes comparable to SAVR in high- and intermediate-risk patients. Long-term durability data beyond 10 years is still being gathered as the technology is relatively newer.
- SAVR outcomes: Decades of follow-up data support the long-term durability of surgically implanted valves, particularly mechanical valves, which can last 20 or more years (though they require lifelong anticoagulation).
- Bioprosthetic valves (used in both TAVI and SAVR) typically last 10–20 years, after which re-intervention may be needed.
- Quality of life: Many patients report meaningful improvement in symptoms — reduced breathlessness, improved exercise tolerance — within weeks of either procedure.
The question of whether a patient can live 10 years after TAVI depends heavily on their baseline health. Many patients, particularly those treated for aortic stenosis, have other cardiovascular conditions that influence long-term prognosis.
When should you see a cardiologist about aortic valve disease?
Seek a cardiology consultation promptly if you experience any of the following symptoms, which may indicate significant aortic stenosis or another valve condition:
- Chest tightness or pain during physical activity
- Unexplained breathlessness, particularly when climbing stairs or walking short distances
- Fainting or near-fainting episodes (syncope) without a clear cause
- A heart murmur detected during a routine check-up
- Rapid fatigue with activities that were previously manageable
- Swelling in the ankles or legs alongside breathlessness
Do not wait for symptoms to worsen significantly before seeking evaluation. Aortic stenosis is a progressive condition, and early assessment allows more treatment options to be considered.
How does S.L. Raheja Hospital in Mumbai approach aortic valve treatment?
S.L. Raheja Hospital in Mumbai, located at Mahim West, provides cardiac care through a structured multidisciplinary heart team. Patients with aortic stenosis are evaluated using echocardiography and clinical risk assessment to determine whether TAVI/TAVR or conventional surgical valve replacement is the more appropriate pathway.
The hospital's Cardiac Science programme covers the full spectrum of valve disease management — from diagnosis through to intervention and follow-up. Patients who may also have concurrent conditions such as diabetes can benefit from the hospital's integrated approach across specialities, including its diabetes care programme.
To understand which aortic valve treatment option is appropriate for your specific situation, use the booking form on this page to request a cardiac consultation.
Book a cardiac consultation at S.L. Raheja Hospital
Use the booking form on this page, or reach out directly via email: info@rahejahospital.com