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Transcatheter Balloon-Expandable Valve-in-Valve to Treat Severe Paravalvular Leak Secondary to ACURATE-neo Self-expanding Prosthesis-Annulus Mismatch.

ABSTRACT: A 75-year-old male with severe symptomatic aortic stenosis underwent transcatheter aortic valve implantation with a Large (27-mm) ACURATE-neo transcatheter aortic valve, complicated by severe paravalvular leak. He developed rapid and progressive worsening heart failure. Reanalysis of the computed tomography images suggested evidence of prosthesis-annulus mismatch. Therefore, a redo transcatheter aortic valve implantation utilizing a 29-mm SAPIEN 3 transcatheter aortic valve was performed. This case illustrates the importance of proper valve sizing to avoid paravalvular leak, and how to safely cross an ACURATE-neo valve to avoid catheter entangling.

SUBMITTER: Peverill W

PROVIDER: S-EPMC8636236 | biostudies-literature |

REPOSITORIES: biostudies-literature

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TAVR-in-TAVR with a balloon-expandable valve for paravalvular leak.

Project description:IntroductionParavalvular leak (PVL) is a severe complication of transcatheter aortic valve replacement (TAVR) that can lead to poor outcomes. TAVR-in-TAVR is a promising treatment for PVL; however, reports on its safety or efficacy are limited. In this study, we aimed to investigate the clinical outcomes of TAVR-in-TAVR using balloon-expandable prostheses for PVLs after TAVR.MethodsWe retrospectively analyzed data from patients who underwent TAVR-in-TAVR using balloon-expandable Sapien prostheses for PVL after an initial TAVR at our institution. The procedural success, in-hospital complications, all-cause mortality, and echocardiographic data for up to 2 years post-surgery were evaluated.ResultsIn total, 31 patients with a mean age of 81.1 ± 7.9 years and mean Society of Thoracic Surgeons score of 8.8 ± 5.4% were identified. The procedural success rate of TAVR-in-TAVR was 96.8% (30/31). No in-hospital deaths, cardiac tamponade, or conversion to sternotomy occurred. Re-intervention was performed in only one patient (3.2%) during hospitalization. The all-cause mortality rates at 30 days and 2 years were 0% and 16.1%, respectively. A significant reduction in the PVL rate was observed at 30 days compared with that at baseline (p < 0.01).DiscussionOur findings suggest that TAVR-in-TAVR using balloon-expandable prostheses is safe and effective for PVL after TAVR with low complication rates and acceptable long-term outcomes. Further studies with larger sample sizes are needed to confirm our findings.

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Balloon-expandable prosthesis for open mitral replacement with a calcified mitral annulus.

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Case report: Self-expanding transcatheter valve implantation (Acurate Neo 2) in a very small native aortic annulus.

Project description:Transcatheter aortic valve replacement (TAVR) is a treatment of choice in patients with symptomatic severe aortic valve stenosis (AS) and intermediate-to-high surgical risk. The presence of a small aortic annulus (SAA) has been associated with a higher incidence of prosthesis-patient mismatch (PPM) when surgical aortic valve replacement (sAVR) is performed. TAVR might be a treatment option offering better hemodynamics with a lower incidence of PPM. When a severe AS with a SAA is treated, TAVR-related risk as the coronary obstruction and the annulus rupture, must be also prevented. We present a case of a TAVR in a very small aortic annulus; to our knowledge, this is the smallest native aortic annulus treated percutaneously in a tricuspid stenotic aortic valve with a Self-Expanding Transcatheter Heart Valve (THV) Acurate Neo 2.

| S-EPMC10545879 | biostudies-literature

Impact of Prosthesis-Patient Mismatch on Hemodynamics During Exercise in Patients With Aortic Stenosis After Transcatheter Aortic Valve Implantation With a Balloon-Expandable Valve.

Project description:BackgroundThere is no evidence of hemodynamic performance during exercise in patients with aortic stenosis (AS) after transcatheter aortic valve implantation (TAVI). This study aimed to investigate the changes in kinematic hemodynamics during exercise and determine the impact of prosthesis-patient mismatch (PPM) on the hemodynamics of transcatheter heart valves using exercise stress echocardiography (ESE) in AS patients after TAVI.Methods and resultsThis study enrolled 77 consecutive patients (mean age 82 ± 5 years, 50.6% male) who underwent ESE 3-6 months after TAVI with a balloon-expandable valve. The effective orifice area index at rest was significantly correlated with the mean pressure gradient (PG) during exercise (p <0.001). The patients were divided into two groups according to the presence of PPM (PPM and non-PPM groups). During exercise, the patients with PPM had a higher left ventricular ejection fraction (74.6 ± 6.1% vs. 69.7 ± 9.6%, p = 0.048), a lower stroke volume index (47.2 ± 14.0 ml/m2 vs. 55.6 ± 14.5 ml/m2, p = 0.037), a significantly higher mean transvalvular PG (21.9 ± 9.1 mmHg vs. 12.2 ± 4.9 mmHg, p = 0.01) and an increased mean PG from rest to exercise (5.7 ± 3.5 mmHg vs. 2.3 ± 2.8 mmHg, p <0.001) compared with patients without PPM. Patients with PPM had a higher pulmonary artery systolic pressure (SPAP) during exercise (57.3 ± 13.8 mmHg vs. 49.7 ± 10.9 mmHg, p = 0.021) and a higher incidence of exercise-induced pulmonary hypertension (43.8 vs. 15.0%, p = 0.037) than patients without PPM. PPM was strongly associated with exercise-induced pulmonary hypertension (hazard ratio: 3.570, p = 0.013).ConclusionsAS patients with PPM after TAVI showed a disproportionate increase in the transvalvular PG and SPAP during exercise, and PPM was associated with exercise-induced pulmonary hypertension.

| S-EPMC8841769 | biostudies-literature

Fractal dimension of the aortic annulus: a novel predictor of paravalvular leak after transcatheter aortic valve implantation.

Project description:To evaluate the prognostic relevance of aortic annulus (AA) and left ventricular outflow tract (LVOT) Fractal dimension (FD). FD is a mathematical concept that describes geometric complexity of a structure and has been shown to predict adverse outcomes in several contexts. Computed tomography (CT) scans from the SOLVE-TAVI trial, which, in a 2 × 2 factorial design, randomized 447 patients to TAVI with the balloon-expandable Edwards Sapien 3 or the self-expanding Medtronic Evolut R, and conscious sedation or general anesthesia, were analyzed semi-automatically with a custom-built software to determine border of AA and LVOT. FD was measured by box counting using grid calibers between 0.8 and 6.75 mm and was compared between patients with none/trivial and mild/moderate paravalvular regurgitation (PVR). Overall, 122 patients had CT scans sufficient for semi-automatic PVR in 30-day echocardiography. PVR was none in 65(53.3%) patients, trace in 9(7.4%), mild in 46(37.7%), moderate in 2(1.6%) and severe in 0 patients. FD determined in diastolic images was significantly higher in patients with mild/moderate PVR (1.0558 ± 0.0289 vs. 1.0401 ± 0.0284, p = 0.017). Annulus eccentricity was the only conventional measure of AA and LVOT geometry significantly correlated to FD (R = 0.337, p < 0.01). Area under the curve (AUC) of diastolic annular FD for prediction of mild/moderate PVR in ROC analysis was 0.661 (0.542-0.779, p = 0.014). FD shows promise in prediction of PVR after TAVI. Further evaluation using larger patient numbers and refined algorithms to better understand its predictive performance is warranted.Trial Registration: www.clinicaltrials.gov , identifier: NCT02737150, date of registration: 13.04.2016.

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Comparison of Transcatheter Aortic Valve Replacement between Self-Expanding versus Balloon-Expandable Valves in Patients with Small Aortic Annulus.

Project description:Background and objectivesTranscatheter aortic valve replacement (TAVR) has been reported as a good alternative for surgical aortic valve replacement in patients with small aortic annulus. Head-to-head comparisons of different transcatheter aortic valves in these patients are insufficient. We compared the outcomes after TAVR between two different types of recent transcatheter aortic valves (self-expanding vs. balloon-expandable) in patients with small aortic annulus.MethodsA total of 70 patients with severe aortic stenosis and small annulus (mean diameter ≤23 mm or minimal diameter ≤21 mm on computed tomography) underwent TAVR with either a self-expanding valve with supra-annular location (n=45) or a balloon-expandable valve with intra-annular location (n=25). The echocardiographic hemodynamic parameters after TAVR and 1-year follow-up were compared.ResultsBetween the self-expanding and balloon-expandable valve-treated patients, the clinical outcomes including permanent pacemaker implantation (11.1% vs. 8.0%), acute kidney injury stage 2 or 3 (4.4% vs. 4.0%), and major vascular complication (4.4% vs. 0.0%) were similar without all-cause mortality, stroke, and life-threatening bleeding during 30-day follow-up. Compared with the balloon-expandable valve-treated patients, the self-expanding valve-treated patients presented larger effective orifice area (EOA) (1.46±0.28 vs. 1.75±0.42 cm², p=0.002) and indexed EOA (0.95±0.21 vs. 1.18±0.28 cm²/m², p=0.001), whereas mean aortic valve gradient (11.7±2.9 vs. 8.9±5.2 mmHg, P=0.005) and incidence of ≥moderate prosthesis-patient mismatch (36.0% vs. 8.9%, p=0.009) were lower. These hemodynamic differences were maintained at 1-year follow-up.ConclusionsTAVR with self-expanding valves was associated with superior hemodynamic outcomes compared with balloon-expandable valves in patients with small aortic annulus.

| S-EPMC7925971 | biostudies-literature

Valve Cracking Before Valve-In-Valve Transcatheter Aortic Valve Implantation to Treat Severe Paravalvular Leak.

Project description:A patient with severe bioprosthesic patient-prosthesis mismatch, severe paravalvular leak, and symptoms of heart failure New York Heart Association functional class III was successfully treated using valve cracking followed by valve-in-valve transcatheter aortic valve implantation with excellent results at 1-year follow-up. (Level of Difficulty: Advanced.).

| S-EPMC8311279 | biostudies-literature

Post Mitral Valve Replacement: Paravalvular Leak or Unroofed Coronary Sinus?

Project description: Not available

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Successful Treatment of Severe Paravalvular Leak by Repositioning a Self-Expandable Percutaneous Aortic Valve Bioprosthesis (Evolut PRO+) Using the "Double Snare" Technique.

Project description:Significant (moderate or severe) paravalvular leak (PVL) after transcatheter aortic valve replacement (TAVR) remains a common phenomenon and has been associated with decrease survival and quality of life. Transcatheter valve embolization and migration (TVEM) is a rare post-TAVR complication that can occur in 1% of cases and has been associated with worse patient outcomes. Valve embolization or migration into the left ventricle can result in significant PVL causing hemodynamic instability, shock, heart failure, and hemolytic anemia. Although this complication most commonly occurs in the acute setting (90%) within 4 hours of TAVR, it can also present late (4 hr-43 days later) in 10% of cases. There are no clear guidelines as to how this condition should be managed; however, several percutaneous bailout techniques exist that can ultimately spare the patient from emergent cardiovascular surgery. We present a rare case of late ventricular transcatheter aortic valve migration 3 days after TAVR causing severe PVL and heart failure symptoms that was successfully treated using the percutaneous "double snare" technique.

| S-EPMC9005318 | biostudies-literature

Transcatheter aortic valve implantation with a balloon-expandable prosthesis in a patient with single coronary artery: a case report.

Project description:BackgroundSingle coronary artery is a rare coronary artery anomaly with an incidence of <0.03%. The coexistence of coronary artery anomalies with severe aortic stenosis is extremely rare. Due to the singularity of the coronary artery orifice, the most concerning risk of transcatheter aortic valve implantation (TAVI) in such patients is coronary occlusion, which may very well be life-threatening.Case summaryAn 83-year-old female complaining of chest pain was referred to our hospital for severe aortic stenosis. The multi-slice computed tomography showed a congenital single coronary artery originating from the right sinus of Valsalva. The left coronary artery branched off of the right coronary artery, and passed between the aorta and main pulmonary artery. The heart team of the hospital decided to perform TAVI via femoral artery with a balloon-expandable prosthesis, with coronary angioplasty devices on standby in case of coronary occlusion. The TAVI procedure was performed successfully without coronary occlusion.DiscussionAlthough there have been some case reports of TAVI in patients with single coronary artery, little is known about the safety of TAVI in such cases, and which device (such as the balloon-expandable or the self-expandable prosthesis) is preferable. From this particular case, and accumulation of past and various TAVI experience, the balloon-expandable prosthesis can be a safe device choice in carefully selected patients with coronary artery anomalies.

| S-EPMC9113454 | biostudies-literature

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