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Brain & Heart                                                           TAVR in low gradient aortic stenosis



            8. Future directions                               Acknowledgments

            Recent studies have focused on elucidating the most   None.
            effective patient selection criteria and procedural
            techniques for TAVR in LFLGAS. Ongoing research aims   Funding
            to refine risk stratification models and identify the outcome   None.
            predictors. Novel imaging modalities such as intracardiac
            echocardiography and nuclear imaging may help provide   Conflict of interest
            insights regarding valve morphology and function, guiding   The authors declare they have no competing interests.
            treatment decisions and optimizing procedural outcomes.
            In TAVR, the potential for personalized risk assessment   Author contributions
            and treatment planning is demonstrated by the integration
            of sophisticated technologies, such as artificial intelligence   Conceptualization: Tom Kai Ming Wang
            and machine learning algorithms. Emerging trends in   Writing – original draft:  Muhammad Majid, Akiva
            TAVR for patients with LFLGAS involve the exploration   Rosenzveig, Elio Haroun, Aro Daniela Arockiam,
            of alternative access routes, including transaxillary and   Ankit Agrawal, Sharmeen Sorathia, Rochell Issa,
            TA approaches, to mitigate procedural risks and expand   Tiffany Dong, Nithila Sivakumar
            treatment  options  for  patients  with  complex  anatomy.    Writing – review & editing:  Muhammad  Majid,  Akiva
                                                         92
            In addition, the advancement of next-generation THV   Rosenzveig, Tom Kai Ming Wang
            with enhanced hemodynamics and durability addresses
            the distinctive challenges posed by LFLGAS, potentially   Ethics approval and consent to participate
            improving long-term valve performance and patient   Not applicable.
            outcomes.  Despite significant advancements, challenges
                    52
            remain in optimizing outcomes and expanding the    Consent for publication
            applicability of TAVR in patients with LFLGAS. Addressing   Not applicable.
            issues, such as paravalvular leaks, conduction disturbances,
            and PPM is crucial for improving procedural success   Availability of data
            and long-term durability.  Innovations in valve design,
                                 93
            delivery systems, and optimal antithrombotic strategy aim   Not applicable.
            to minimize complications and improve the safety profile   References
            of TAVR. 93
                                                               1.   Gurvitch R, Cheung A, Ye J, et al. Transcatheter valve-in-
            9. Conclusion                                         valve implantation for failed surgical bioprosthetic valves.
                                                                  J Am Coll Cardiol. 2011;58:2196-2209.
            This contemporary review of TAVR in patients with
            LFLGAS  underscores  the evolving landscape of  clinical      doi: 10.1016/j.jacc.2011.09.009
            perspectives, procedural considerations, outcomes,   2.   Baumgartner H, Hung J, Bermejo J,  et al.
            complications, and future directions in this specialized field   Recommendations on the echocardiographic assessment
            of  cardiovascular  intervention.  The  clinical  perspectives   of  aortic valve  stenosis: A  focused  update from  the
            highlighted in these studies highlight the importance   european association of cardiovascular imaging and
            of adhering to guidelines for patient selection and   the American society of echocardiography.  J  Am Soc
            intervention, particularly in identifying individuals who   Echocardiogr. 2017;30:372-392.
            may benefit from TAVR rather than SAVR. Furthermore,      doi: 10.1016/j.echo.2017.02.009
                                              94
            the studies illustrate the favorable outcomes and feasibility   3.   Contorni F, Fineschi M, Iadanza A, Santoro A, Mandoli GE,
            of TAVR in low-risk patients with symptomatic severe AS,   Cameli M. How to deal with low-flow low-gradient aortic
            emphasizing the potential expansion of TAVR to a broader   stenosis and reduced left ventricle ejection fraction: From
            patient population.  These studies collectively contribute   literature review to tips for clinical practice. Heart Fail Rev.
                           94
            to the understanding of procedural considerations, patient   2022;27:697-709.
            outcomes, and the expanding role of TAVR in addressing      doi: 10.1007/s10741-021-10090-0
            the  complexities of  LFLGAS.  These findings underscore
            the need for continuous research and innovation to   4.   Lauten A, Zahn R, Horack M,  et al. Transcatheter aortic
            improve patient outcomes in this challenging patient   valve implantation in patients with low-flow, low-gradient
            population while establishing the  basis  for potential   aortic stenosis. JACC Cardiovasc Interv. 2012;5:552-559.
            broader applications of TAVR in low-risk patients with AS.     doi: 10.1016/j.jcin.2012.04.001


            Volume 3 Issue 1 (2025)                         14                               doi: 10.36922/bh.4017
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