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| http://dx.doi.org/10.1016/j.xjon.2021.10.059 | DOI Listing |
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Heyde's Syndrome Manifesting as Recurrent Gastrointestinal Bleeding After Valve Replacement.
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Internal Medicine, Hospital Universitario Dr. José Eleuterio González, Monterrey, MEX.
Heyde's syndrome is a clinical entity that combines aortic stenosis, gastrointestinal angiodysplasia, and an acquired von Willebrand factor disorder. This syndrome is characterized by the association between aortic stenosis and recurrent gastrointestinal bleeding episodes, typically linked to angiodysplasias. Effective treatment requires addressing the underlying condition, specifically aortic stenosis, which leads to the structural destruction of coagulation proteins, resulting in the acquired von Willebrand factor disorder and perpetuating the bleeding.
View Article and Find Full Text PDFAsian Pacific Society of Cardiology Position Statement on the Use of Transcatheter Aortic Valve Implantation in the Management of Aortic Stenosis.
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Department of Cardiology, National Heart Centre Singapore, Singapore.
Transcatheter aortic valve implantation (TAVI) has been established as an effective treatment modality in patients with severe aortic stenosis (AS) and the uptake of TAVI is rapidly growing in the Asia-Pacific region. However, there exist a heterogeneity in the management of aortic stenosis and the use of TAVI among countries in the region. Reasons for these differences include anatomic variations, disparity in healthcare resources and infrastructure, and the lack of consensus on the optimal management of AS in the Asia-Pacific region.
View Article and Find Full Text PDFAortic valve leaflet assessment to inform novel bioinspired materials: Understanding the impact of collagen fibres on the tissue's mechanical behaviour.
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Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, 2, Dublin, Ireland; Discipline of Mechanical, Manufacturing, and Biomedical Engineering, School of Engineering, Trinity College Dublin, 2, Dublin, Ireland; Advanced Materials and Bioengineering Research Centre (AMBER), Trinity College Dublin, Ireland. Electronic address:
Aortic stenosis is a prevalent disease that is treated with either mechanical or bioprosthetic valve replacement devices. However, these implants can experience problems with either functionality in the case of mechanical valves or long-term durability in the case of bioprosthetic valves. To enhance next generation prosthetic valves, such as biomimetic polymeric valves, an improved understanding of the native aortic valve leaflet structure and mechanical response is required to provide much needed benchmarks for future device development.
View Article and Find Full Text PDFIntelligent antibacterial coatings based on sensitive response and periodic fast drug release for long-term defense against corrosion induced by sulfate-reducing bacteria.
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Pitting corrosion caused by sulfate-reducing bacteria (SRB) significantly shortens the lifespan of metallic pipelines. Antibacterial coatings containing S-responsive drug-loaded nanocontainers represent a promising method to mitigate SRB corrosion. However, the challenge of balancing rapid bactericide release with continuous antibacterial effect limits their practical application.
View Article and Find Full Text PDF1-year patency of a novel biorestorative polymeric coronary artery bypass conduit.
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Coronary artery bypass graft surgery (CABG) remains the gold standard in the treatment of complex coronary artery disease (CAD). Saphenous vein grafts (SVG) are commonly used for the non-left anterior descending artery (LAD). However, SVG failure rates in CABG surgery have been reported to be as high as 30% at 1 year and ∼50% at 10 years.
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