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Iron Deficiency Promotes Intra-leaflet Haemorrhage-induced Aortic Valve Calcification: an Experimental Study.
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Department of Emergency Medicine, Qilu Hospital of Shandong University, Jinan, China.
Background: Interleaflet haemorrhage (IH) plays a well-recognized detrimental role in calcified aortic valve disease (CAVD). However, IH-induced fibro-osteogenic responses in valvular interstitial cells (VICs) appear to be triggered under specific pathological conditions. Iron deficiency (ID), a common co-morbidity in CAVD, may influence these responses.
View Article and Find Full Text PDFAortitis Increases the Risk of Surgical Complications and Re-Operations After Major Aortic Surgery.
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Department of Cardiac Surgery, Oxford University Hospitals NHS Foundation Trust, Oxford OX3 9DU, UK.
Aortitis, defined as inflammation of the aorta, can lead to aneurysms and dissections. Intra-operative sampling is essential for diagnosis, with many cases presenting asymptomatically as clinically isolated aortitis. Previous studies investigating aortitis in major aortic surgery have been limited by low intra-operative sampling.
View Article and Find Full Text PDFPredictors of the Need for Permanent Pacemaker Implantation After Surgical Aortic Valve Replacement with a Biological Prosthesis and the Effect on Long-Term Survival.
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Faculty of Medicine & Health Sciences, University of Antwerp, 2610 Antwerp, Belgium.
The need for a permanent pacemaker (PPM) implantation after surgical aortic valve implantation (SAVR) is a recognized postoperative complication, with potentially long-term reduced survival. From 1987 to 2017, 2500 consecutive patients underwent SAVR with a biological valve with or without concomitant procedures such as CABG or mitral valve repair. Mechanical valves or valves in another position were excluded.
View Article and Find Full Text PDFBioprosthetic Aortic Valve Degeneration After TAVR and SAVR: Incidence, Diagnosis, Predictors, and Management.
J Cardiovasc Dev Dis
November 2024
Department of Cardiovascular Medicine, Mayo Clinic, Phoenix, AZ 85054, USA.
Bioprosthetic aortic valve degeneration (BAVD) is a significant clinical concern following both transcatheter aortic valve replacement (TAVR) and surgical aortic valve replacement (SAVR). The increasing use of bioprosthetic valves in aortic valve replacement in younger patients and the subsequent rise in cases of BAVD are acknowledged in this review which aims to provide a comprehensive overview of the incidence, diagnosis, predictors, and management of BAVD. Based on a thorough review of the existing literature, this article provides an updated overview of the biological mechanisms underlying valve degeneration, including calcification, structural deterioration, and inflammatory processes and addresses the various risk factors contributing to BAVD, such as patient demographics, comorbidities, and procedural variables.
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