Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 11.990
Filtrar
Más filtros




Intervalo de año de publicación
1.
EuroIntervention ; 20(9): 579-590, 2024 May 10.
Artículo en Inglés | MEDLINE | ID: mdl-38726714

RESUMEN

BACKGROUND: Data on the performance of the latest-generation SAPIEN 3 Ultra RESILIA (S3UR) valve in patients who undergo transcatheter aortic valve replacement (TAVR) are scarce. AIMS: We aimed to assess the clinical outcomes, including valve performance, of the S3UR. METHODS: Registry data of 618 consecutive patients with S3UR and of a historical pooled cohort of 8,750 patients who had a SAPIEN 3 (S3) valve and underwent TAVR were collected. The clinical outcomes and haemodynamics, including patient-prosthesis mismatch (PPM), were compared between the 2 groups and in a propensity-matched cohort. RESULTS: The incidence of in-hospital death, vascular complications, and new pacemaker implantation was similar between the S3UR and the S3 groups (allp>0.05). However, both groups showed significant differences in the degrees of paravalvular leakage (PVL) (none-trivial: 87.0% vs 78.5%, mild: 12.5% vs 20.5%, ≥moderate: 0.5% vs 1.1%; p<0.001) and the incidence of PPM (none: 94.3% vs 85.1%, moderate: 5.2% vs 12.8%, severe: 0.5% vs 2.0%; p<0.001). The prevalence of a mean pressure gradient ≥20 mmHg was significantly lower in the S3UR group (1.6% vs 6.2%; p<0.001). Better haemodynamics were observed with the smaller 20 mm and 23 mm S3UR valves. The results were consistent in a matched cohort of patients with S3UR and with S3 (n=618 patients/group). CONCLUSIONS: The S3UR has equivalent procedural complications to the S3 but with lower rates of PVL and significantly better valve performance. The better valve performance of the S3UR, particularly in smaller valve sizes, overcomes the remaining issue of balloon-expandable valves after TAVR.


Asunto(s)
Estenosis de la Válvula Aórtica , Válvula Aórtica , Prótesis Valvulares Cardíacas , Sistema de Registros , Reemplazo de la Válvula Aórtica Transcatéter , Humanos , Reemplazo de la Válvula Aórtica Transcatéter/efectos adversos , Reemplazo de la Válvula Aórtica Transcatéter/instrumentación , Reemplazo de la Válvula Aórtica Transcatéter/métodos , Femenino , Masculino , Anciano de 80 o más Años , Anciano , Estenosis de la Válvula Aórtica/cirugía , Estenosis de la Válvula Aórtica/fisiopatología , Resultado del Tratamiento , Válvula Aórtica/cirugía , Válvula Aórtica/fisiopatología , Válvula Aórtica/diagnóstico por imagen , Diseño de Prótesis , Hemodinámica , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/etiología , Mortalidad Hospitalaria
2.
EuroIntervention ; 20(9): 536-550, 2024 May 10.
Artículo en Inglés | MEDLINE | ID: mdl-38726720

RESUMEN

The identification and management of patients at high bleeding risk (HBR) undergoing transcatheter aortic valve implantation (TAVI) are of major importance, but the lack of standardised definitions is challenging for trial design, data interpretation, and clinical decision-making. The Valve Academic Research Consortium for High Bleeding Risk (VARC-HBR) is a collaboration among leading research organisations, regulatory authorities, and physician-scientists from Europe, the USA, and Asia, with a major focus on TAVI-related bleeding. VARC-HBR is an initiative of the CERC (Cardiovascular European Research Center), aiming to develop a consensus definition of TAVI patients at HBR, based on a systematic review of the available evidence, to provide consistency for future clinical trials, clinical decision-making, and regulatory review. This document represents the first pragmatic approach to a consistent definition of HBR evaluating the safety and effectiveness of procedures, devices and drug regimens for patients undergoing TAVI..


Asunto(s)
Consenso , Hemorragia , Reemplazo de la Válvula Aórtica Transcatéter , Humanos , Reemplazo de la Válvula Aórtica Transcatéter/efectos adversos , Factores de Riesgo , Hemorragia/etiología , Medición de Riesgo , Estenosis de la Válvula Aórtica/cirugía , Válvula Aórtica/cirugía
3.
EuroIntervention ; 20(9): 591-601, 2024 May 10.
Artículo en Inglés | MEDLINE | ID: mdl-38726722

RESUMEN

BACKGROUND: Little is known about the occurrence of subclinical new-onset atrial fibrillation (NOAF) after transcatheter aortic valve implantation (TAVI). AIMS: We aimed to evaluate the incidence, predictors, and clinical impact of subclinical NOAF after TAVI. METHODS: This was a multicentre study, including patients with aortic stenosis (AS) and no previous atrial fibrillation undergoing TAVI, with continuous ambulatory electrocardiogram (AECG) monitoring after TAVI. RESULTS: A total of 700 patients (79±8 years, 49% female, Society of Thoracic Surgeons score 2.9% [1.9-4.0]) undergoing transarterial TAVI were included (85% balloon-expandable valves). AECG was started 1 (0-1) day after TAVI (monitoring time: 14121314 days). NOAF was detected in 49 patients (7%), with a median duration of 185 (43-421) minutes (atrial fibrillation burden of 0.7% [0.3-2.8]). Anticoagulation was started in 25 NOAF patients (51%). No differences were found in baseline or procedural characteristics, except for a higher AS severity in the NOAF group (peak gradient: no NOAF: 71.9±23.5 mmHg vs NOAF: 85.2±23.8 mmHg; p=0.024; mean gradient: no NOAF: 44.4±14.7 mmHg vs NOAF: 53.8±16.8 mmHg; p=0.004). In the multivariable analysis, the baseline mean transaortic gradient was associated with a higher risk of NOAF after TAVI (odds ratio 1.04, 95% confidence interval: 1.01-1.06 for each mmHg; p=0.006). There were no differences between groups in all-cause mortality (no NOAF: 4.7% vs NOAF: 0%; p=0.122), stroke (no NOAF: 1.4% vs NOAF: 2.0%; p=0.723), or bleeding (no NOAF: 1.9% vs NOAF: 4.1%; p=0.288) from the 30-day to 1-year follow-up. CONCLUSIONS: NOAF detected with AECG occurred in 7% of TAVI recipients and was associated with a higher AS severity. NOAF detection determined the start of anticoagulation therapy in about half of the patients, and it was not associated with an increased risk of clinical events at 1-year follow-up.


Asunto(s)
Estenosis de la Válvula Aórtica , Fibrilación Atrial , Electrocardiografía Ambulatoria , Reemplazo de la Válvula Aórtica Transcatéter , Humanos , Fibrilación Atrial/diagnóstico , Fibrilación Atrial/fisiopatología , Femenino , Masculino , Reemplazo de la Válvula Aórtica Transcatéter/efectos adversos , Anciano , Estenosis de la Válvula Aórtica/cirugía , Anciano de 80 o más Años , Electrocardiografía Ambulatoria/métodos , Factores de Riesgo , Resultado del Tratamiento
4.
Sci Rep ; 14(1): 10409, 2024 05 06.
Artículo en Inglés | MEDLINE | ID: mdl-38710782

RESUMEN

In transcatheter aortic valve implantation (TAVI), final device position may be affected by device interaction with the whole aortic landing zone (LZ) extending to ascending aorta. We investigated the impact of aortic LZ curvature and angulation on TAVI implantation depth, comparing short-frame balloon-expanding (BE) and long-frame self-expanding (SE) devices. Patients (n = 202) treated with BE or SE devices were matched based on one-to-one propensity score. Primary endpoint was the mismatch between the intended (HPre) and the final (HPost) implantation depth. LZ curvature and angulation were calculated based on the aortic centerline trajectory available from pre-TAVI computed tomography. Total LZ curvature ( k L Z , t o t ) and LZ angulation distal to aortic annulus ( α L Z , D i s t a l ) were greater in the SE compared to the BE group (P < 0.001 for both). In the BE group, HPost was significantly higher than HPre at both cusps (P < 0.001). In the SE group, HPost was significantly deeper than HPre only at the left coronary cusp (P = 0.013). At multivariate analysis, α L Z , D i s t a l was the only independent predictor (OR = 1.11, P = 0.002) of deeper final implantation depth with a cut-off value of 17.8°. Aortic LZ curvature and angulation significantly affected final TAVI implantation depth, especially in high stent-frame SE devices reporting, upon complete release, deeper implantation depth with respect to the intended one.


Asunto(s)
Estenosis de la Válvula Aórtica , Válvula Aórtica , Reemplazo de la Válvula Aórtica Transcatéter , Reemplazo de la Válvula Aórtica Transcatéter/métodos , Humanos , Masculino , Femenino , Anciano de 80 o más Años , Anciano , Válvula Aórtica/cirugía , Válvula Aórtica/diagnóstico por imagen , Estenosis de la Válvula Aórtica/cirugía , Tomografía Computarizada por Rayos X , Aorta/diagnóstico por imagen , Aorta/cirugía , Resultado del Tratamiento , Prótesis Valvulares Cardíacas , Estudios Retrospectivos
5.
Port J Card Thorac Vasc Surg ; 31(1): 12-16, 2024 May 13.
Artículo en Inglés | MEDLINE | ID: mdl-38743522

RESUMEN

There has been a worldwide rapid adoption of transcatheter aortic valve replacement (TAVR) as an alternative to surgical aortic valve replacement (SAVR) for patients with severe aortic stenosis. Currently, more TAVR explants with SAVRs are performed than TAVR-in TAV. TAVR explantation is a technically hazardous procedure mainly due to significant aortic neo-endothelialization which incorporates the TAVR valve. Surgical techniques for TAVR explantation are not well established and surgeon experience at present is limited. In this manuscript, we describe our technique for surgical explantation of transcatheter aortic bioprosthesis. Familiarity with the procedure and its clinical implications is essential for all cardiac surgeons.


Asunto(s)
Estenosis de la Válvula Aórtica , Bioprótesis , Remoción de Dispositivos , Prótesis Valvulares Cardíacas , Reemplazo de la Válvula Aórtica Transcatéter , Humanos , Reemplazo de la Válvula Aórtica Transcatéter/métodos , Reemplazo de la Válvula Aórtica Transcatéter/efectos adversos , Reemplazo de la Válvula Aórtica Transcatéter/instrumentación , Estenosis de la Válvula Aórtica/cirugía , Bioprótesis/efectos adversos , Remoción de Dispositivos/métodos , Prótesis Valvulares Cardíacas/efectos adversos , Válvula Aórtica/cirugía , Válvula Aórtica/patología
6.
Europace ; 26(5)2024 May 02.
Artículo en Inglés | MEDLINE | ID: mdl-38691562

RESUMEN

AIMS: We examined whether thickness of the basal muscular interventricular septum (IVS), as measured by pre-procedural computed tomography (CT), could be used to identify the risk of conduction disturbances following transcatheter aortic valve replacement (TAVR). The IVS is a pivotal region of the electrical conduction system of the heart where the atrioventricular conduction axis is located. METHODS AND RESULTS: Included were 78 patients with severe aortic stenosis who underwent CT imaging prior to TAVR. The thickness of muscular IVS was measured in the coronal view, in systolic phases, at 1, 2, 5, and 10 mm below the membranous septum (MS). The primary endpoint was a composite of conduction disturbance following TAVR. Conduction disturbances occurred in 24 out of 78 patients (30.8%). Those with conduction disturbances were significantly more likely to have a thinner IVS than those without conduction disturbances at every measured IVS level (2.98 ± 0.52 mm vs. 3.38 ± 0.52 mm, 4.10 ± 1.02 mm vs. 4.65 ± 0.78 mm, 6.11 ± 1.12 mm vs. 6.88 ± 1.03 mm, and 9.72 ± 1.95 mm vs. 10.70 ± 1.55 mm for 1, 2, 5 and 10 mm below MS, respectively, P < 0.05 for all). Multivariable logistic regression analysis showed that pre-procedural IVS thickness (<4 mm at 2 mm below the MS) was a significant independent predictor of post-procedural conduction disturbance (adjOR 7.387, 95% CI: 2.003-27.244, P = 0.003). CONCLUSION: Pre-procedural CT assessment of basal IVS thickness is a novel predictive marker for the risk of conduction disturbances following TAVR. The IVS thickness potentially acts as an anatomical barrier protecting the underlying conduction system from mechanical compression during TAVR.


Asunto(s)
Estenosis de la Válvula Aórtica , Reemplazo de la Válvula Aórtica Transcatéter , Tabique Interventricular , Humanos , Masculino , Femenino , Reemplazo de la Válvula Aórtica Transcatéter/efectos adversos , Estenosis de la Válvula Aórtica/cirugía , Estenosis de la Válvula Aórtica/diagnóstico por imagen , Tabique Interventricular/diagnóstico por imagen , Anciano de 80 o más Años , Factores de Riesgo , Anciano , Arritmias Cardíacas/etiología , Arritmias Cardíacas/fisiopatología , Arritmias Cardíacas/diagnóstico por imagen , Sistema de Conducción Cardíaco/fisiopatología , Sistema de Conducción Cardíaco/diagnóstico por imagen , Resultado del Tratamiento , Valor Predictivo de las Pruebas , Medición de Riesgo , Índice de Severidad de la Enfermedad , Estudios Retrospectivos , Válvula Aórtica/cirugía , Válvula Aórtica/diagnóstico por imagen , Tomografía Computarizada Multidetector , Tomografía Computarizada por Rayos X , Potenciales de Acción
7.
Sci Rep ; 14(1): 10902, 2024 05 13.
Artículo en Inglés | MEDLINE | ID: mdl-38740898

RESUMEN

Calcification of the aortic valve (CAVDS) is a major cause of aortic stenosis (AS) leading to loss of valve function which requires the substitution by surgical aortic valve replacement (SAVR) or transcatheter aortic valve intervention (TAVI). These procedures are associated with high post-intervention mortality, then the corresponding risk assessment is relevant from a clinical standpoint. This study compares the traditional Cox Proportional Hazard (CPH) against Machine Learning (ML) based methods, such as Deep Learning Survival (DeepSurv) and Random Survival Forest (RSF), to identify variables able to estimate the risk of death one year after the intervention, in patients undergoing either to SAVR or TAVI. We found that with all three approaches the combination of six variables, named albumin, age, BMI, glucose, hypertension, and clonal hemopoiesis of indeterminate potential (CHIP), allows for predicting mortality with a c-index of approximately 80 % . Importantly, we found that the ML models have a better prediction capability, making them as effective for statistical analysis in medicine as most state-of-the-art approaches, with the additional advantage that they may expose non-linear relationships. This study aims to improve the early identification of patients at higher risk of death, who could then benefit from a more appropriate therapeutic intervention.


Asunto(s)
Estenosis de la Válvula Aórtica , Válvula Aórtica , Calcinosis , Aprendizaje Profundo , Humanos , Válvula Aórtica/cirugía , Válvula Aórtica/patología , Calcinosis/cirugía , Calcinosis/mortalidad , Femenino , Masculino , Anciano , Estenosis de la Válvula Aórtica/cirugía , Estenosis de la Válvula Aórtica/mortalidad , Reemplazo de la Válvula Aórtica Transcatéter/mortalidad , Anciano de 80 o más Años , Análisis de Supervivencia , Factores de Riesgo , Modelos de Riesgos Proporcionales , Medición de Riesgo/métodos , Implantación de Prótesis de Válvulas Cardíacas/mortalidad , Implantación de Prótesis de Válvulas Cardíacas/métodos , Persona de Mediana Edad
8.
Clin Interv Aging ; 19: 695-703, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38711477

RESUMEN

Purpose: In mixed aortic valve disease (MAVD), the results of transcatheter aortic valve replacement (TAVR) are conflicting. There is limited data on the outcomes of TAVR in patients with bicuspid aortic valve (BAV) and MAVD. The objective of this study is to compare outcomes after TAVR in BAV patients with MAVD and predominant aortic stenosis (PAS). Patients and Methods: Patients with BAV who underwent TAVR between January 2016 and April 2023 were included. The primary outcome was device success. The secondary endpoints were periprocedural mortality and other complications as defined by the Valve Academic Research Consortium-3 (VARC-3). Propensity score matching was used to minimize potential confounding. Results: A total of 262 patients were included in this study, 83 of whom had MAVD. The median age was 72 years, and 55.7% were male. The baseline comorbidity risk files were comparable between the two groups. Patients with MAVD had more mitral regurgitation, tricuspid regurgitation and pulmonary hypertension, larger annular and left ventricular outflow tract dimensions, and more severe calcification than PAS. In the unmatched population, MAVD patients had similar device success rate (69.9% vs 79.9%, P=0.075) and 30-day mortality (3.6% vs 3.4%, P=1) compared to PAS. Propensity score matching resulted in 66 patient pairs. Device success rate were still comparable in the matched population. Other clinical outcomes, including stroke, bleeding (type 2-4), major vascular complications, acute kidney injury (stage 2-4) and permanent pacemaker implantation, were comparable between the two groups. Multivariable logistic regression analysis did not show MAVD to be an independent negative predictor of device success. At one year, survival was similar between patients with MAVD and those with PAS. Conclusion: For the bicuspid valve, patients with MAVD had a more challenging anatomy. MAVD patients associated with comparable 30-day clinical outcomes after TAVR compared to PAS patients in patients with BAV.


Asunto(s)
Estenosis de la Válvula Aórtica , Enfermedad de la Válvula Aórtica Bicúspide , Complicaciones Posoperatorias , Puntaje de Propensión , Reemplazo de la Válvula Aórtica Transcatéter , Humanos , Masculino , Femenino , Estenosis de la Válvula Aórtica/cirugía , Anciano , Enfermedad de la Válvula Aórtica Bicúspide/cirugía , Anciano de 80 o más Años , Complicaciones Posoperatorias/epidemiología , Estudios Retrospectivos , Resultado del Tratamiento , Válvula Aórtica/cirugía , Válvula Aórtica/anomalías , Persona de Mediana Edad , Factores de Riesgo , Enfermedades de las Válvulas Cardíacas/cirugía
10.
Int J Technol Assess Health Care ; 40(1): e29, 2024 Apr 24.
Artículo en Inglés | MEDLINE | ID: mdl-38654522

RESUMEN

OBJECTIVES: Our objective was to explore procedures and methods used at health technology assessment (HTA) agencies for assessing medical devices and the underlying views of HTA practitioners about appropriate methodology to identify challenges in adopting new methodologies for assessing devices. We focused on the role of normative commitments of HTA practitioners in the adoption of new methods. METHODS: An online survey, including questions on procedures, scoping, and assessments of medical devices, was sent to members of the International Network of Agencies for Health Technology Assessment. Interviews were conducted with survey respondents and HTA practitioners involved in assessments of transcatheter aortic valve implantation to gain an in-depth understanding of choices made and views about assessing medical devices. Survey and interview questions were inspired by the "values in doing assessments of health technologies" approach towards HTA, which states that HTA addresses value-laden questions and information. RESULTS: The current practice of assessing medical devices at HTA agencies is predominantly based on procedures, methods, and epistemological principles developed for assessments of drugs. Both practical factors (available time, demands of decision-makers, existing legal frameworks, and HTA guidelines), as well as commitments of HTA practitioners to principles of evidence-based medicine, make the adoption of a new methodology difficult. CONCLUSIONS: There is a broad recognition that assessments of medical devices may need changes in HTA methodology. In order to realize this, the HTA community may require both a discussion on the role, responsibility, and goals of HTA, and resulting changes in institutional context to adopt new methodologies.


Asunto(s)
Equipos y Suministros , Investigación Cualitativa , Evaluación de la Tecnología Biomédica , Evaluación de la Tecnología Biomédica/organización & administración , Evaluación de la Tecnología Biomédica/normas , Humanos , Equipos y Suministros/normas , Toma de Decisiones , Entrevistas como Asunto , Medicina Basada en la Evidencia , Encuestas y Cuestionarios/normas , Reemplazo de la Válvula Aórtica Transcatéter
11.
Ann Biomed Eng ; 52(6): 1554-1567, 2024 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-38589731

RESUMEN

Catheter reaction forces during transcatheter valve replacement (TAVR) may result in injury to the vessel or plaque rupture, triggering distal embolization or thrombosis. In vitro test methods represent the arterial wall using synthetic proxies to determine catheter reaction forces during tracking, but whether they can account for reaction forces within the compliant aortic wall tissue in vivo is unknown. Moreover, the role of plaque inclusions is not well understood. Computational approaches have predicted the impact of TAVR positioning, migration, and leaflet distortion, but have not yet been applied to investigate aortic wall reaction forces and stresses during catheter tracking. In this study, we investigate the role that catheter design and aorta and plaque mechanical properties have on the risk of plaque rupture during TAVR catheter delivery. We report that, for trackability testing, a rigid test model provides a reasonable estimation of the peak reaction forces experienced during catheter tracking within compliant vessels. We investigated the risk of rupture of both the aortic tissue and calcified plaques. We report that there was no risk of diseased aortic tissue rupture based on an accepted aortic tissue stress threshold (4.2 MPa). However, we report that both the aortic and plaque tissue exceed a rupture stress threshold (300 kPa) with and without the presence of stiff and soft plaque inclusions. We also highlight the potential risks associated with shorter catheter tips during catheter tracking and demonstrate that increasing the contact surface will reduce peak contact pressures experienced in the tissue.


Asunto(s)
Modelos Cardiovasculares , Reemplazo de la Válvula Aórtica Transcatéter , Reemplazo de la Válvula Aórtica Transcatéter/efectos adversos , Humanos , Aorta , Catéteres/efectos adversos , Placa Aterosclerótica
12.
J Am Heart Assoc ; 13(9): e033846, 2024 May 07.
Artículo en Inglés | MEDLINE | ID: mdl-38639328

RESUMEN

BACKGROUND: Next-day discharge (NDD) outcomes following uncomplicated self-expanding transcatheter aortic valve replacement have not been studied. Here, we compare readmission rates and clinical outcomes in NDD versus non-NDD transcatheter aortic valve replacement with Evolut. METHODS AND RESULTS: Society of Thoracic Surgeons/American College of Cardiology TVT (Transcatheter Valve Therapy) Registry patients (n=29 597) undergoing elective transcatheter aortic valve replacement with self-expanding supra-annular valves (Evolut R, PRO, and PRO+) from July 2019 to June 2021 were stratified by postprocedure length of stay: ≤1 day (NDD) versus >1 day (non-NDD). Propensity score matching was used to compare risk adjusted 30-day readmission rates and 1-year outcomes in NDD versus non-NDD, and multivariable regression to determine predictors of NDD and readmission. Between the first and last calendar quarter, the rate of NDD increased from 45.4% to 62.1% and median length of stay decreased from 2 days to 1. Propensity score matching produced relatively well-matched NDD and non-NDD cohorts (n=10 549 each). After matching, NDD was associated with lower 30-day readmission rates (6.3% versus 8.4%; P<0.001) and 1-year adverse outcomes (death, 7.0% versus 9.3%; life threatening/major bleeding, 1.6% versus 3.4%; new permanent pacemaker implantation/implantable cardioverter-defibrillator, 3.6 versus 11.0%; [all P<0.001]). Predictors of NDD included non-Hispanic ethnicity, preexisting permanent pacemaker implantation/implantable cardioverter-defibrillator, and previous surgical aortic valve replacement. CONCLUSIONS: Most patients undergoing uncomplicated self-expanding Evolut transcatheter aortic valve replacement are discharged the next day. This study found that NDD can be predicted from baseline patient characteristics and was associated with favorable 30-day and 1-year outcomes, including low rates of permanent pacemaker implantation and readmission.


Asunto(s)
Estenosis de la Válvula Aórtica , Alta del Paciente , Readmisión del Paciente , Puntaje de Propensión , Reemplazo de la Válvula Aórtica Transcatéter , Humanos , Reemplazo de la Válvula Aórtica Transcatéter/efectos adversos , Reemplazo de la Válvula Aórtica Transcatéter/tendencias , Readmisión del Paciente/estadística & datos numéricos , Readmisión del Paciente/tendencias , Masculino , Femenino , Anciano de 80 o más Años , Estenosis de la Válvula Aórtica/cirugía , Estenosis de la Válvula Aórtica/mortalidad , Anciano , Alta del Paciente/tendencias , Sistema de Registros , Tiempo de Internación/estadística & datos numéricos , Tiempo de Internación/tendencias , Factores de Tiempo , Prótesis Valvulares Cardíacas , Complicaciones Posoperatorias/epidemiología , Resultado del Tratamiento , Estados Unidos/epidemiología , Factores de Riesgo , Válvula Aórtica/cirugía , Estudios Retrospectivos , Diseño de Prótesis , Medición de Riesgo
13.
J Am Heart Assoc ; 13(9): e032777, 2024 May 07.
Artículo en Inglés | MEDLINE | ID: mdl-38639357

RESUMEN

BACKGROUND: A delayed and recurrent complete atrioventricular block (CAVB) is a life-threatening complication of transcatheter aortic valve replacement (TAVR). Post-TAVR evaluation may be important in predicting delayed and recurrent CAVB requiring permanent pacemaker implantation (PPI). The impact of new-onset right bundle-branch block (RBBB) after TAVR on PPI remains unknown. METHODS AND RESULTS: In total, 407 patients with aortic stenosis who underwent TAVR were included in this analysis. Intraprocedural CAVB was defined as CAVB that occurred during TAVR. A 12-lead ECG was evaluated at baseline, immediately after TAVR, on postoperative days 1 and 5, and according to the need to identify new-onset bundle-branch block (BBB) and CAVB after TAVR. Forty patients (9.8%) required PPI, 17 patients (4.2%) had persistent intraprocedural CAVB, and 23 (5.7%) had delayed or recurrent CAVB after TAVR. The rates of no new-onset BBB, new-onset left BBB, and new-onset RBBB were 65.1%, 26.8%, and 4.7%, respectively. Compared with patients without new-onset BBB and those with new-onset left BBB, the rate of PPI was higher in patients with new-onset RBBB (3.4% versus 5.6% versus 44.4%, P<0.0001). On post-TAVR evaluation in patients without persistent intraprocedural CAVB, the multivariate logistic regression analysis showed that new-onset RBBB was a statistically significant predictor of PPI compared with no new-onset BBB (odds ratio [OR], 18.0 [95% CI, 5.94-54.4]) in addition to the use of a self-expanding valve (OR, 2.97 [95% CI, 1.09-8.10]). CONCLUSIONS: Patients with new-onset RBBB after TAVR are at high risk for PPI.


Asunto(s)
Estenosis de la Válvula Aórtica , Bloqueo de Rama , Estimulación Cardíaca Artificial , Electrocardiografía , Marcapaso Artificial , Reemplazo de la Válvula Aórtica Transcatéter , Humanos , Reemplazo de la Válvula Aórtica Transcatéter/efectos adversos , Masculino , Femenino , Bloqueo de Rama/etiología , Bloqueo de Rama/terapia , Bloqueo de Rama/fisiopatología , Bloqueo de Rama/diagnóstico , Estenosis de la Válvula Aórtica/cirugía , Anciano de 80 o más Años , Anciano , Estimulación Cardíaca Artificial/efectos adversos , Bloqueo Atrioventricular/terapia , Bloqueo Atrioventricular/etiología , Bloqueo Atrioventricular/diagnóstico , Bloqueo Atrioventricular/fisiopatología , Factores de Riesgo , Estudios Retrospectivos , Resultado del Tratamiento , Factores de Tiempo , Complicaciones Posoperatorias/etiología , Complicaciones Posoperatorias/terapia , Complicaciones Posoperatorias/diagnóstico , Recurrencia
15.
Ann Card Anaesth ; 27(2): 162-164, 2024 Apr 01.
Artículo en Inglés | MEDLINE | ID: mdl-38607881

RESUMEN

ABSTRACT: We report a case of simultaneous transcatheter aortic valve replacement and endovascular aneurysm repair. Our aim was to advocate the role of local and regional anesthesia as a key contributor in maintaining hemodynamic stability and avoiding abrupt blood pressure change. Endovascular combined procedures are gaining popularity for their numerous advantages. Nevertheless, they carry significant risks for their hemodynamic implications. It is imperative to acknowledge the modifications occurring after each correction and act accordingly. Different anesthesia approaches can dramatically influence hemodynamics; among all, we found local and regional anesthesia would better serve this objective.


Asunto(s)
Anestesia de Conducción , Anestésicos , Aneurisma de la Aorta Abdominal , Implantación de Prótesis Vascular , Procedimientos Endovasculares , Reemplazo de la Válvula Aórtica Transcatéter , Humanos , Aneurisma de la Aorta Abdominal/cirugía
16.
J Cardiothorac Surg ; 19(1): 211, 2024 Apr 15.
Artículo en Inglés | MEDLINE | ID: mdl-38616249

RESUMEN

BACKGROUND: Transcatheter aortic valve replacement (TAVR) has become widely used in recent years, However, there is also an increasing need for removal of TAVR valves due to prosthetic valve dysfunction (PVD) and the development of infective endocarditis. Surgical aortic valve replacement (AVR) for these patients is risky due to the original patient background and anatomic conditions. Intuity rapid deployment aortic valve (Edwards Lifesciences, Irvine, CA) replacement would be useful for such high risk patients to prevent longer cardiac arrest time and obtain good hemodynamic results. However, there are few reports which present Intuity valve replacement after TAVR explantation. Herein, We report two cases in which we have achieved good hemodynamics with shorter cardiac arrest times by using a rapid deployment valve after TAVR explantation. CASE PRESENTATION: We present 2 cases of successful implantation of the Intuity rapid deployment valve after TAVR explantation. The 84- and 88-year-old female patients had previously received TAVR for severe aortic stenosis with SAPIEN XT (Edwards Lifesciences, Irvine, CA) and developed PVD during follow-up. The TAVR valve was removed carefully, then an Intuity valve was implanted with cardiac arrest times of 69 and 41 min. Both patients had good echocardiographic results with effective orifice area of 2.0 cm2 and 1.2 cm2 and mean trans-aortic plessure gradient of 9 mmHg and 15 mmHg respectively without aortic regurgitation. They were discharged without major complications. CONCLUSIONS: Surgical AVR using a rapid deployment valve is a useful alternative to sutured AVR after TAVR valve explantation. It allows for shorter cardiac arrest times and better postoperative hemodynamics without major complication.


Asunto(s)
Insuficiencia de la Válvula Aórtica , Paro Cardíaco , Reemplazo de la Válvula Aórtica Transcatéter , Femenino , Humanos , Anciano de 80 o más Años , Reemplazo de la Válvula Aórtica Transcatéter/efectos adversos , Válvula Aórtica/cirugía , Remoción de Dispositivos
17.
JACC Cardiovasc Interv ; 17(8): 1007-1016, 2024 Apr 22.
Artículo en Inglés | MEDLINE | ID: mdl-38573257

RESUMEN

BACKGROUND: Data on valve reintervention after transcatheter aortic valve replacement (TAVR) or surgical aortic valve replacement (SAVR) are limited. OBJECTIVES: The authors compared the 5-year incidence of valve reintervention after self-expanding CoreValve/Evolut TAVR vs SAVR. METHODS: Pooled data from CoreValve and Evolut R/PRO (Medtronic) randomized trials and single-arm studies encompassed 5,925 TAVR (4,478 CoreValve and 1,447 Evolut R/PRO) and 1,832 SAVR patients. Reinterventions were categorized by indication, timing, and treatment. The cumulative incidence of reintervention was compared between TAVR vs SAVR, Evolut vs CoreValve, and Evolut vs SAVR. RESULTS: There were 99 reinterventions (80 TAVR and 19 SAVR). The cumulative incidence of reintervention through 5 years was higher with TAVR vs SAVR (2.2% vs 1.5%; P = 0.017), with differences observed early (≤1 year; adjusted subdistribution HR: 3.50; 95% CI: 1.53-8.02) but not from >1 to 5 years (adjusted subdistribution HR: 1.05; 95% CI: 0.48-2.28). The most common reason for reintervention was paravalvular regurgitation after TAVR and endocarditis after SAVR. Evolut had a significantly lower incidence of reintervention than CoreValve (0.9% vs 1.6%; P = 0.006) at 5 years with differences observed early (adjusted subdistribution HR: 0.30; 95% CI: 0.12-0.73) but not from >1 to 5 years (adjusted subdistribution HR: 0.61; 95% CI: 0.21-1.74). The 5-year incidence of reintervention was similar for Evolut vs SAVR (0.9% vs 1.5%; P = 0.41). CONCLUSIONS: A low incidence of reintervention was observed for CoreValve/Evolut R/PRO and SAVR through 5 years. Reintervention occurred most often at ≤1 year for TAVR and >1 year for SAVR. Most early reinterventions were with the first-generation CoreValve and managed percutaneously. Reinterventions were more common following CoreValve TAVR compared with Evolut TAVR or SAVR.


Asunto(s)
Estenosis de la Válvula Aórtica , Implantación de Prótesis de Válvulas Cardíacas , Complicaciones Posoperatorias , Reemplazo de la Válvula Aórtica Transcatéter , Anciano , Anciano de 80 o más Años , Femenino , Humanos , Masculino , Válvula Aórtica/cirugía , Válvula Aórtica/diagnóstico por imagen , Válvula Aórtica/fisiopatología , Estenosis de la Válvula Aórtica/cirugía , Estenosis de la Válvula Aórtica/diagnóstico por imagen , Estenosis de la Válvula Aórtica/fisiopatología , Prótesis Valvulares Cardíacas , Implantación de Prótesis de Válvulas Cardíacas/efectos adversos , Implantación de Prótesis de Válvulas Cardíacas/instrumentación , Complicaciones Posoperatorias/cirugía , Diseño de Prótesis , Ensayos Clínicos Controlados Aleatorios como Asunto , Medición de Riesgo , Factores de Riesgo , Índice de Severidad de la Enfermedad , Factores de Tiempo , Reemplazo de la Válvula Aórtica Transcatéter/efectos adversos , Reemplazo de la Válvula Aórtica Transcatéter/instrumentación , Resultado del Tratamiento , Incidencia , Retratamiento
18.
Biomarkers ; 29(4): 205-210, 2024 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-38588595

RESUMEN

BACKGROUND: Currently available risk scores fail to accurately predict morbidity and mortality in patients with severe symptomatic aortic stenosis who undergo transcatheter aortic valve implantation (TAVI). In this context, biomarkers like matrix metalloproteinase-2 (MMP-2) and Galectin-3 (Gal-3) may provide additional prognostic information. METHODS: Patients with severe aortic stenosis undergoing consecutive, elective, transfemoral TAVI were included. Baseline demographic data, functional status, echocardiographic findings, clinical outcomes and biomarker levels were collected and analysed. RESULTS: The study cohort consisted of 89 patients (age 80.4 ± 5.1 years, EuroScore II 7.1 ± 5.8%). During a median follow-up period of 526 d, 28 patients (31.4%) died. Among those who died, median baseline MMP-2 (alive: 221.6 [170.4; 263] pg/mL vs. deceased: 272.1 [225; 308.8] pg/mL, p < 0.001) and Gal-3 levels (alive: 19.1 [13.5; 24.6] pg/mL vs. deceased: 25 [17.6; 29.5] pg/mL, p = 0.006) were higher than in survivors. In ROC analysis, MMP-2 reached an acceptable level of discrimination to predict mortality (AUC 0.733, 95% CI [0.62; 0.83], p < 0.001), but the predictive value of Gal-3 was poor (AUC 0.677, 95% CI [0.56; 0.79], p = 0.002). Kaplan-Meier and Cox regression analyses showed that patients with MMP-2 and Gal-3 concentrations above the median at baseline had significantly impaired long-term survival (p = 0.004 and p = 0.02, respectively). CONCLUSIONS: In patients with severe aortic stenosis undergoing transfemoral TAVI, MMP-2 and to a lesser extent Gal-3, seem to have additive value in optimizing risk prediction and streamlining decision-making.


Asunto(s)
Estenosis de la Válvula Aórtica , Biomarcadores , Galectina 3 , Metaloproteinasa 2 de la Matriz , Reemplazo de la Válvula Aórtica Transcatéter , Humanos , Metaloproteinasa 2 de la Matriz/sangre , Reemplazo de la Válvula Aórtica Transcatéter/mortalidad , Biomarcadores/sangre , Masculino , Femenino , Estenosis de la Válvula Aórtica/cirugía , Estenosis de la Válvula Aórtica/mortalidad , Estenosis de la Válvula Aórtica/sangre , Galectina 3/sangre , Anciano de 80 o más Años , Anciano , Pronóstico , Galectinas , Proteínas Sanguíneas/análisis , Proteínas Sanguíneas/metabolismo
19.
Inn Med (Heidelb) ; 65(5): 431-438, 2024 May.
Artículo en Alemán | MEDLINE | ID: mdl-38635087

RESUMEN

The pathophysiology of aortic valve diseases is of predominantly degenerative nature, characterized by calcific aortic valve stenosis, which is associated with a reduction in prognosis. The prevalence of aortic valve insufficiency also increases with advancing age. Timely causal treatment is crucial in the management of aortic valve diseases. Following the indication for intervention, the heart team plays a central role in evaluating the results and making therapeutic decisions that consider the patient's preferences. In the assessment of treatment options, considerations regarding the long-term perspective are particularly crucial, especially in younger patients. The most common therapeutic approach for aortic valve diseases is the introduction of a new valve prosthesis. In the majority of cases, this is now achieved through catheter-based implantation of a bioprosthetic heart valve, known as transcatheter aortic valve implantation (TAVI). Open surgical aortic valve replacement (AVR) is favored in younger patients with low surgical risk or in the case that TAVI is not feasible. In AVR, both biological and the longest-lasting mechanical prosthesis types are used. Surgical repair techniques are primarily applied in cases of aortic valve regurgitation. Notably, TAVI, as well as surgical procedures for the treatment of aortic valve diseases, have undergone significant advancements in recent years, including expanded indications for TAVI and, on the surgical side, in particular the development of minimally invasive surgical techniques.


Asunto(s)
Reemplazo de la Válvula Aórtica Transcatéter , Humanos , Reemplazo de la Válvula Aórtica Transcatéter/métodos , Válvula Aórtica/cirugía , Válvula Aórtica/patología , Prótesis Valvulares Cardíacas , Enfermedad de la Válvula Aórtica/cirugía , Implantación de Prótesis de Válvulas Cardíacas/métodos , Implantación de Prótesis de Válvulas Cardíacas/instrumentación , Estenosis de la Válvula Aórtica/cirugía , Insuficiencia de la Válvula Aórtica/cirugía , Insuficiencia de la Válvula Aórtica/fisiopatología , Bioprótesis
SELECCIÓN DE REFERENCIAS
DETALLE DE LA BÚSQUEDA