Structural Heart Interventions
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Advanced Non-Surgical Treatment for Valve and Structural Heart Diseases
Structural heart interventions are advanced catheter-based procedures used to treat diseases of the heart valves and structural abnormalities without the need for open-heart surgery. These procedures are performed in a specialized cath lab or hybrid operation theatre using fluoroscopy, echocardiography, and other imaging guidance. Structural interventions are especially useful in elderly patients, high-risk surgical candidates, or patients who prefer minimally invasive treatment.
These procedures allow correction of serious heart conditions through small punctures in the blood vessels, resulting in faster recovery, less pain, shorter hospital stay, and excellent outcomes when performed by experienced structural heart specialists.
1.Indications:
Structural heart procedures are recommended in patients with:
•Severe aortic valve stenosis
•Severe mitral regurgitation
•Severe tricuspid regurgitation
•Degenerated bioprosthetic valves
•Atrial fibrillation with high stroke risk
•Congenital structural defects
•Patients not suitable for open heart surgery
•High surgical risk due to age or other diseases
Careful evaluation using echocardiography, CT scan, and angiography is done before planning the procedure.
Types of Structural Heart Procedures
Before the procedure, patients undergo detailed evaluation including Echocardiography, CT scan, coronary angiogram, and heart team discussion to select the most appropriate treatment.
2. TAVI / TAVR (Transcatheter Aortic Valve Implantation) :
This procedure is done for severe aortic valve stenosis. Under local anesthesia or mild general anesthesia, a catheter is inserted usually through the femoral artery in the leg. A collapsible artificial valve mounted on a balloon or self-expanding frame is advanced to the heart and positioned inside the diseased aortic valve. The new valve is expanded, pushing the old valve aside and immediately restoring normal blood flow.
Safety is ensured by continuous monitoring with fluoroscopy and echocardiography. Temporary pacemaker support is often used during the procedure. Patients usually recover quickly and can walk within 1–2 days. Possible risks include vascular injury, stroke, valve leak, or need for permanent pacemaker, but with modern valves the success rate is very high.
3. MitraClip / Transcatheter Mitral Valve Repair :
In MitraClip procedure, access is obtained through the femoral vein. A catheter is passed to the right atrium and then into the left atrium using transseptal puncture under echo guidance. The clip delivery system is advanced to the mitral valve and the clip is attached to the valve leaflets to reduce regurgitation.
TEE guidance is used throughout the procedure to ensure correct positioning. The procedure is done under general anesthesia in most cases. Safety is high in experienced centers, with low risk of bleeding, stroke, or valve damage. Most patients show improvement in symptoms within days.
4. Tricuspid Valve Repair / TRICLIP / Transcatheter Tricuspid Procedures :
These procedures are similar to MitraClip but performed on the tricuspid valve. Access is through the femoral vein, and the device is guided to the tricuspid valve under fluoroscopy and echo guidance. Clip or valve devices are placed to reduce severe leakage.
These procedures are useful in patients with severe tricuspid regurgitation who are high risk for surgery. Safety is good, though the procedure may be longer due to complex anatomy.
5. TMVR (Transcatheter Mitral Valve Replacement)
In selected patients with severe mitral valve disease or failed surgical valve, a new valve can be implanted using catheter technique. Access may be through femoral vein, artery, or small chest puncture depending on anatomy.
Advanced imaging with CT and TEE is essential for safe valve placement. Possible risks include valve malposition, obstruction to blood flow, or rhythm problems, but careful planning reduces complications.
6. TPVR (Transcatheter Pulmonary Valve Replacement) :
This procedure is mainly done in congenital heart disease patients. A catheter is inserted through a vein and advanced to the pulmonary valve. A new valve is deployed inside the diseased valve or conduit.
It avoids repeat open-heart surgery and has excellent safety when done in specialized centers.
7. LAA Closure (Left Atrial Appendage Closure)
In patients with atrial fibrillation who cannot take long-term blood thinners, LAA closure prevents stroke. Through femoral vein access, transseptal puncture is performed and a closure device is placed in the left atrial appendage under TEE guidance.
The procedure usually takes about one hour. Patients are monitored overnight and discharged the next day. Complications are rare and include bleeding, pericardial effusion, or device leak, but with experienced operators the success rate is very high.
Structural heart interventions today are highly safe due to advanced imaging, modern devices, heart team approach, and experienced operators, providing excellent results with faster recovery compared to open-heart surgery.
Structural heart interventions today are highly safe due to advanced imaging, modern devices, heart team approach, and experienced operators, providing excellent results with faster recovery compared to open-heart surgery.