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A Retrospective Analysis of Standardized Gradient Calculations for Evaluating Patient-Prosthesis Mismatch Following Mechanical Aortic Valve Replacement.
Diagnostics (Basel)
February 2025
Department of Cardiovascular Surgery, Faculty of Medicine, Ankara Yıldırım Beyazıt University, 06000 Ankara, Türkiye.
Aortic stenosis (AS) is one of the most common valvular heart diseases, particularly in the elderly, with a prevalence of approximately 3% in individuals over 75 years of age. Aortic valve replacement (AVR) remains the standard treatment, yet postoperative hemodynamic assessment is often complicated by variations in prosthetic valve size, left ventricular ejection fraction (LVEF), effective orifice area (EOA), and body surface area (BSA). These factors significantly influence prosthetic valve function and contribute to patient-prosthesis mismatch (PPM), which has been associated with worse clinical outcomes.
View Article and Find Full Text PDFAortic Dissection: An Unexpected Complication of Transcatheter Aortic Valve Implantation.
Cureus
February 2025
Cardiology, Unidade Local de Saúde (ULS) São João, Porto, PRT.
A 53-year-old female with a medical history of multiple cardiovascular risk factors, alcoholic chronic hepatic disease (Child-Pugh B) with thrombocytopenia, and severe calcified aortic stenosis was admitted for an elective transcatheter aortic valve implantation (TAVI). After the procedure, the patient was hypotensive and unresponsive to fluid challenge, and there was a significant difference in blood pressure between the two arms. The echocardiogram confirmed the normal position and function of the prosthetic valve but was suggestive of aortic dissection.
View Article and Find Full Text PDFRe-ballooning of sealing frame for intraoperative paravalvular leak during rapid deployment aortic valve replacement: a report of two cases.
Gen Thorac Cardiovasc Surg Cases
March 2025
Division of Cardiovascular Surgery, Tohoku University Graduate School of Medicine, Sendai, Miyagi, 980-8574, Japan.
Background: Rapid deployment aortic valve replacement (RDAVR) has been widely adopted, but concerns about postoperative paravalvular leak (PVL) associated with its use remain. PVL is linked to an increased risk of long-term mortality; however, there is no consensus on its treatment.
Case Presentation: Case 1: A 76-year-old female with severe aortic stenosis underwent RDAVR via median sternotomy.
Surviving the Deadly Triad: Two Cases of Austrian Syndrome in Southern Switzerland, Associated With Disseminated Streptococcus pneumoniae Infection.
Cureus
February 2025
Department of Internal Medicine, Ente Ospedaliero Cantonale, Lugano, CHE.
Austrian syndrome is a rare and life-threatening condition. It is more severe in immunocompromised patients, those with comorbidities, or harmful alcohol consumption. The etiopathogenesis involves hematogenous seeding of and local spread in the infected tissues, presenting with pneumonia, endocarditis, and meningitis.
View Article and Find Full Text PDFAortic valve repair in a middle-income country: Exceptional outcomes and mid-term results.
JTCVS Open
February 2025
Department of Cardiovascular Surgery, Fundación Cardiovascular de Colombia, Santander, Colombia.
Objective: Aortic valve repair has proven to be a low-risk perioperative procedure, with favorable mid-term outcomes and additional benefits linked to the avoidance of prosthetic valves, including freedom from anticoagulation and reintervention, reduced risk of endocarditis, and thromboembolic complications. Furthermore, an aortic valve repair program in Colombia confers potential advantages specific to our population, considering the sociodemographic factors of middle-income countries.
Methods: A retrospective analysis was conducted on the clinical and perioperative results, as well as mid-term follow-up data of patients who underwent aortic valve repair surgery at 2 Colombian health institutions between March 2018 and December 2023.
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