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The crucial role of 18F-fluorodeoxyglucose positron emission tomography/computed tomography in diagnosing pulmonary valve endocarditis in patients after transcatheter pulmonary valve implantation: a case report.
Eur Heart J Case Rep
January 2025
Department of Cardiology, Azorg, Merestraat 80, 9300 Aalst, Belgium.
Background: Patients after transcatheter pulmonary valve implantation (TPVI) are at increased risk for infective prosthetic valve endocarditis. Diagnosis of infective endocarditis (IE) following TPVI is particularly difficult due to impaired visualization of the transcatheter pulmonary valve (TPV) with echocardiography [Delgado V, Ajmone Marsan N, de Waha S, Bonaros N, Brida M, Burri H, et al. 2023 ESC guidelines for the management of endocarditis.
View Article and Find Full Text PDFHigh glucose affects the cardiac function of diabetic Akita mice by inhibiting cardiac ATP synthase beta subunit.
Int J Cardiol Cardiovasc Risk Prev
March 2025
Beijing Chaoyang Hospital, Capital Medical University, Department of Endocrinology, Beijing, China.
Object: To explore the mechanism of diabetic cardiomyopathy that hyperglycemia may affect the cardiac function by inhibiting the expression of ATPase β subunit.
Method: Cardiac function, fibrosis levels, and the expression of the ATPase β subunit were observed in Akita mice-a diabetes mice model without lipid metabolism disorders--using morphological, molecular biology, and echocardiographic analyses compared to wild-type mice. The study revealed a connection between the decreased ATPase β subunit and the development of diabetic myocardial injury.
Pain Perception Threshold in Young High-Altitude Natives After Acute Exposure to Severe Hypoxic Conditions.
Oxygen (Basel)
March 2025
Centro de Investigación en Medicina de Altura (CIMA), Facultad de Medicina Humana, Universidad de San Martín de Porres, Lima 15001, Peru.
Previous studies indicate that individuals at high altitudes have a lower pain threshold than those living at sea level. This study evaluates the differences in pain perception among young people living at an altitude of 3800 m and after acute exposure to a severe hypoxic environment at more than 5100 m. Fourteen people (BMI of 22.
View Article and Find Full Text PDF[Predictive model for ejection fraction improvement at one year in patients with acute ST-segment elevation myocardial infarction complicated with heart failure with reduced ejection fraction].
Zhonghua Yi Xue Za Zhi
January 2025
Ningbo Hangzhou Bay Hospital(Ningbo Branch of Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai),Ningbo315336, China.
To develop a predictive model for improvement of ejection fraction 1 year after heart failure with reduced ejection fraction (HFrEF) following acute ST-segment elevation myocardial infarction (STEMI). This nested case-control study included STEMI patients diagnosed with HFrEF from a prospective multicenter multimodality imaging cohort between August 2014 and March 2021. Based on the improvement of left ventricular ejection fraction (LVEF) at baseline and 1-year follow-up, the patients were classified into the heart failure with improved ejection fraction (HFimpEF) group and the persistent HFrEF group.
View Article and Find Full Text PDFImpact of measurement location on direct mitral regurgitation quantification using 4D flow CMR.
J Cardiovasc Magn Reson
January 2025
Department of Radiology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA. Electronic address:
Background: Four-dimensional (4D) flow cardiovascular magnetic resonance (CMR) shows promise for quantifying mitral regurgitation (MR) by allowing for direct regurgitant volume (RVol) measurement using a plane precisely placed at the MR jet. However, the ideal location of a measurement plane remains unclear. This study aims to systematically examine how varying measurement locations affect RVol quantification and determine the optimal location using the momentum conservation principle of a free jet.
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